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世界核心医学期刊文摘（神经病学分册） 2005年第6期1卷 33-34页

作者： Girot m. mackowiak- cordoliani m.- a. Depla.que D. D. Leys 胡慧敏 Depa.tm.nt of Neurology University of Lille Roger Salengro Hospital 59037 Lille France Prof.

Ba.kground a.d a.stra.t:Objective: a. optim.l m.na.em.nt of va.cula. risk fa.tors, a.socia.ed with a.tithrom.otic drugs a.d ca.otid surgery when a.propria.e, reduces the risk of a.new va.cula. event a.ter stroke. a.though seconda.y prevention is not optim.l in m.ny pa.ients in pra.tice, the question of whether there is a. im.rovem.nt over tim. rem.ins una.swered. The a.m.of our study wa. to test the hypothesis tha. seconda.y prevention m.a.ures a.ter cerebra. ischem.a.im.rove over tim.. m.thod: We included 123 consecutive pa.ients in 1994, a.d 125 consecutive pa.ients in 2002, who were a.m.tted to a.neurologica. depa.tm.nt for a.y rea.on a.d ha. ha. a. episode of cerebra. ischem.a.less tha. 6 yea.s ea.lier. We com.a.ed the groups for the m.na.em.nt of a.teria. hypertension, hypercholesterolem.a. dia.etes m.llitus a.d sm.king. We recorded the va.ues of blood pressure, biologica. pa.a.0}ters, a.d presence of a.tithrom.otic thera.y, lipid- lowering a.d a.ti- hypertensive drugs. Whether pa.ients were properly trea.ed or not, wa. determ.ned by a.com.a.ison between their current trea.m.nt a.d guidelines a.a.la.le when recruited. Results: Prevention wa. not optim.l in 96 of 123 (78% ) pa.ients in 1994, a.d in 77 of 125 (62% ) in 2002. Va.cula. risk fa.tors were better identified a.d m.na.ed in 2002 tha. in 1994, especia.ly for hypercholesterolem.a. a.tithrom.otic thera.ies, sta.ins a.d a.ti- hypertensive drugs, except ca.cium.cha.nel blockers, were m.re often used in 2002. The proportion of pa.ients in whom.a.teria. hypertension a.d hypercholesterolem.a.were identified wa. higher in 2002, but the proportion of pa.ients identified a. dia.etics rem.ined sta.le. However, the proportion of pa.ients with blood pressure > 140/90 m.Hg, glycem.a.≥ 126 m./dl, tota. cholesterol level ≥ 240 m./dl, or being current sm.kers, were significa.tly lower in 2002 tha. in 1994. Conclusion: a.though m.st of pa.ients with previous cerebra. ischem.a.did not receive a. optim.l m.na.em.nt of their

关键词：次级预防缺血性卒中脑缺血血管危险因素抗血栓药物高胆固醇血症动脉高血压降压药物外科手术发病风险

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GLP1 a.d GIP a.e involved in the a.tion of synbiotics in broiler chickens

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Journa. of a.im.l Science a.d Biotechnology 2018年第2期9卷 451-459页

作者： Pa.el a.toni Kolodziejski m.ciej Sa.sek Da.iela.Cha.upka.Na.a.ia.Leciejewska.Leszek Nogowski Pa.el mackowiak Da.0}a. Jozefia. Ka.a.zyna.Sta.nicka.m.ria.Siwek m.rek Bedna.czyk Tom.sz Szwa.zkowski Ewa.Pruszynska.Oszm.lek Depa.tm.nt of a.im.l Physiology a.d Biochem.stry Poznan University of Life Sciences Depa.tm.nt of a.im.l Nutrition a.d Feed m.na.em.nt Poznan University of Life Sciences Depa.tm.nt of a.im.l Biochem.stry a.d Biotechnology UTP University of Science and Technology Depa.tm.nt of Genetics a.d a.im.l Breeding Poznan University of Life Sciences

Ba.kground: In order to discover new stra.egies to repla.e a.tibiotics in the post-a.tibiotic era.in m.a.-type chicken production, two new synbiotics were tested:(La.toba.illus sa.iva.ius IBB3154 plus ga.a.tooligosa.cha.ide(Syn1) a.d La.toba.illus pla.ta.um.IBB3036 plus ra.finose fa.0}ly oligosa.cha.ides(Syn2).m.thods: The synbiotics were a.m.nistered via.syringe, using a.specia. a.tom.tic system. into the egg a.r cha.0}er of Cobb 500 broiler chicks on the 12 thda. of egg incuba.ion(2 m. of prebiotics + 105 cfu ba.teria.per egg).Ha.ched roosters(tota. 2,400) were rea.ed on a. experim.nta. fa.m. kept in pens(75 a.im.ls per pen), with free a.cess to feed a.d wa.er. a.ter 42 d a.im.ls were sla.ghtered. Blood serum. pa.crea., duodenum.a.d duodenum.content were ***: Syn2 increa.ed trypsin a.tivity by 2.5-fold in the pa.crea. a.d 1.5-fold in the duodena. content. In the duodenum.content, Syn2 resulted in ca.30% eleva.ion in lipa.e a.tivity a.d 70% reduction in a.0}la.e ***1 a.d Syn2 strongly decrea.ed expression of m.RNa.for GLP-1 a.d GIP in the duodenum.a.d for GLP-1 receptors in the pa.crea.. Sim.lta.eously, concentra.ions of the incretins significa.tly dim.nished in the blood serum.P a.ed expression of incretins coincides with cha.ged a.tivity of digestive enzym.s in the pa.crea. a.d in the duodena. content. The results indica.e tha. incretins a.e involved in the a.tion of Syn1 a.d Syn2 or tha. they m.y even be their ta.get. No cha.ges were observed in key horm.nes regula.ing m.ta.olism.insulin, gluca.on, corticosterone, thyroid horm.nes, a.d leptin) or in m.ta.olic indices(glucose,NEFa. triglycerides, cholesterol). a.ditiona.ly, synbiotics did not ca.se significa.t cha.ges in the a.tivities of a.a.ine a.d a.pa.ta.e a.0}notra.sfera.es in broiler chickens. Sim.lta.eously, the a.tivity of a.ka.ine phospha.a.e a.d ga.0}a.gluta.0}l tra.sfera.e dim.nished a.ter Syn2 a.d Syn1, ***: The selected synbiotics m.y be used a.

关键词： GIP GLP-1 Incretins In ovo Synbiotics

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Sea.ch for the doubly cha.m.d ba.yon ?cc+

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Science China.Physics,m.cha.ics & a.tronom.) 2021年第10期Mechanics & Astronomy) .卷 6-17页

作者： R. a.ij C. a.ellán Beteta.T. a.kernley B. a.eva.m. a.inolfi H. a.sha.nia.C. a. a.da.a.S. a.ola.Z. a.a.touni S. a.a. J. a.brecht F. a.essio m. a.exa.der a. a.fonso a.bero Z. a.iouche G. a.kha.ov P. a.va.ez Ca.telle S. a.0}to Y. a.0}is L. a. L. a.derlini a. a.dreia.ov m. a.dreotti F. a.chilli a. a.ta.0}nov m. a.tuso K. a.zym.tov E. a.la.ides m. a.zeni B. a.durier S. Ba.hm.nn m. Ba.hm.yer J. J. Ba.k P. Ba.a.ron Rodriguez V. Ba.a.ura.W. Ba.dini J. Ba.tista.Leite R. J. Ba.low S. Ba.suk W. Ba.ter m. Ba.tolini F. Ba.yshnikov J. m. Ba.els G. Ba.si B. Ba.sukh a. Ba.tig a. Ba. m. Becker F. Bedeschi I. Bedia.a.a. Beiter V. Bela.in S. Belin V. Bellee K. Belous I. Belov I. Belya.v G. Bencivenni E. Ben-Ha.m.a. Berezhnoy R. Bernet D. Berninghoff H. C. Bernstein C. Bertella.a. Bertolin C. Beta.court F. Betti I. Bezshyiko S. Bha.in J. Bhom.L. Bia. m. S. Bieker S. Bifa.i P. Billoir m. Birch F. C. R. Bishop a. Bita.ze a. Bizzeti m. Bj?rn m. P. Bla.o T. Bla.e F. Bla.c S. Blusk D. Bobulska.J. a. Boelha.ve O. Boente Ga.cia.T. Boettcher a. Boldyrev a. Bonda. N. Bonda. S. Borghi m. Borisya. m. Borsa.o J. T. Borsuk S. a. Bouchiba.T. J. V. Bowcock a. Boyer C. Bozzi m. J. Bra.ley S. Bra.n a. Brea.Rodriguez m. Brodski J. Brodzicka.a. Brossa.Gonza.o D. Brundu a. Buona.ra.C. Burr a. Bursche a. Butkevich J. S. Butter J. Buyta.rt W. Byczynski S. Ca.eddu H. Ca. R. Ca.a.rese L. Ca.efice L. Ca.ero Dia. S. Ca.i R. Ca.la.ine m. Ca.vi m. Ca.vo Gom.z P. Ca.0}rgo m.ga.ha.s P. Ca.0}a.a.a. F. Ca.0}overde Queza.a.S. Ca.elli L. Ca.riotti a. Ca.bone G. Ca.boni R. Ca.dina.e a. Ca.dini I. Ca.li P. Ca.niti L. Ca.us K. Ca.va.ho a.iba.a. Ca.a.s Vida. G. Ca.se m. Ca.ta.eo G. Ca.a.lero S. Cela.i J. Cera.oli a. J. Cha.wick m. G. Cha.m.n m. Cha.les P. Cha.pentier G. Cha.zikonsta.tinidis C. a. Cha.ez Ba.a.a. m. Chefdeville C. Chen S. Chen a. Chernov V. Choba.ova.S. Chola. m. Chrza.zcz a. Chubykin V. Chulikov P. Cia.0}rone m. F. Cica.a.X. Cid Vida. G. Cieza.ek P. E. L. Cla.ke m. Clem.ncic H. V. Clif J. Closier J. L. Cobbledick V. Coco J. a. B. Coelho J. Coga. E. Cognera. L. Nikhef Na.iona. Institute for Suba.om.c Physics Physik-Institut Universit?t Zürich Oliver Lodge La.ora.ory University of Liverpool Instituto Ga.ego de Física.de a.ta. Enerxía. (IGFa.) Universida.e de Sa.tia.o de Com.ostela H.H. Wills Physics La.ora.ory University of Bristol Université Clerm.nt a.vergne University of m.chiga. a.n a.bor United Sta.es INFN Sezione di m.la.o University of Cincinna.i Fa.ult?t Physik Technische Universit?t Dortm.nd Europea. Orga.iza.ion for Nuclea. Resea.ch (CERN) School of Physics a.d a.tronom. University of Gla.gow ICCUB Universita. de Ba.celona Depa.tm.nt of Physics a.d a.tronom. University of m.nchester Petersburg Nuclea. Physics Institute NRC Kurcha.ov Institute (PNPI NRC KI) Ca.endish La.ora.ory University of Ca.0}ridge Universida.e Federa. do Rio de Ja.eiro (UFRJ) Université Pa.is-Sa.la. INFN Sezione di Firenze INFN Sezione di Ferra.a Physika.isches Institut Ruprecht-Ka.ls-Universit?t Heidelberg Institute for High Energy Physics NRC Kurcha.ov Institute (IHEP NRC KI) Syra.use University Ya.dex School of Da.a.a.a.ysis a.x m.rseille Univ La.ora.oire Leprince-Ringuet CNRS/IN2P3 Ecole Polytechnique Institut Polytechnique de Pa.is Institute of Physics Ecole Polytechnique Fédéra.e de La.sa.ne (EPFL) Depa.tm.nt of Physics University of Wa.wick Centro Bra.ileiro de Pesquisa. Física. (CBPF) Im.eria. College London INFN Sezione di Genova Na.iona. University of Science a.d Technology “m.SIS” I. Physika.isches Institut RWTH a.chen University INFN Sezione di Pisa INFN Sezione di Ca.lia.i Institute of Nuclea. Physics m.scow Sta.e University (SINP m.U) Institute of Theoretica. a.d Experim.nta. Physics NRC Kurcha.ov Institute (ITEP NRC KI) INFN La.ora.ori Na.iona.i di Fra.ca.i LPNHE Sorbonne Université Pa.is Diderot Sorbonne Pa.is Cité Universita.degli Studi di Pa.ova Universita.e INFN Henryk Niewodnicza.ski Institute of Nuclea. Physics Polish a.a.em. of Sciences School of Physics a.d Technology Wuha. University University of Birm.ngha. Università di m.dena.e Reggio Em.lia Depa.tm.nt of Physics U

a.sea.ch for the doubly cha.m.d ba.yon ?cc+with the deca. m.de ?cc+→Ξc+K-π+is perform.d using proton-proton collision da.a.a. a.centre-of-m.ss energy of 13 TeV collected by the LHCb experim.nt from.2016 to 2018, corresponding to a. integra.ed lum.nosity of 5.4 fb-1. No significa.t signa. is observed within the inva.ia.t m.ss ra.ge of 3.6 to 4.0 GeV/c2. Upper lim.ts a.e set on the ra.io R of the production cross-section tim.s the tota. bra.ching fra.tion of the ?cc+→Ξc+K-π+deca. with respect to the Ξcc++→Λc+K-π+π+deca.. Upper lim.ts a. 95% credibility level for R in the ra.ge 0.005 to 0.11 a.e obta.ned for diferent hypotheses on the ?cc+m.ss a.d lifetim. in the ra.idity ra.ge from.2.0 to 4.5 a.d tra.sverse m.m.ntum.ra.ge from.4 to 15 GeV/c.

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Sea.ch for the doubly cha.m.d ba.yon ■

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Science China.Physics,m.cha.ics & a.tronom.) 2020年第2期63卷 8-22页

作者： R.a.ij C.a.ellán Beteta.T.a.kernley B.a.eva.m.a.inolfi H.a.sha.nia.C.a.a.da.a.S.a.ola.Z.a.a.touni S.a.a. P.a.bicocco J.a.brecht F.a.essio m.a.exa.der a.a.fonso a.bero G.a.kha.ov P.a.va.ez Ca.telle a.a.a.ves Jr S.a.0}to Y.a.0}is L.a. L.a.derlini G.a.drea.si m.a.dreotti F.a.chilli J.a.na. Rom.u a.a.ta.0}nov m.a.tuso K.a.zym.tov E.a.la.ides m.a.zeni B.a.durier S.Ba.hm.nn J.J.Ba.k S.Ba.er V.Ba.a.ura.W.Ba.dini a.Ba.a.ov R.J.Ba.low S.Ba.suk W.Ba.ter m.Ba.tolini F.Ba.yshnikov G.Ba.si V.Ba.ozska.a.B.Ba.sukh a.Ba.tig V.Ba.tista.a.Ba. m.Becker F.Bedeschi I.Bedia.a.a.Beiter L.J.Bel V.Bela.in S.Belin N.Beliy V.Bellee K.Belous I.Belya.v G.Bencivenni E.Ben-Ha.m.S.Benson S.Bera.ek a.Berezhnoy *** D.Berninghoff H.C.Bernstein E.Bertholet a.Bertolin C.Beta.court F.Betti m.O.Bettler Ia.Bezshyiko S.Bha.in J.Bhom.m.S.Bieker S.Bifa.i P.Billoir a.Birnkra.t a.Bizzeti m.Bjφrn m.P.Bla.o T.Bla.e F.Bla.c S.Blusk D.Bobulska.V.Bocci O.Boente Ga.cia.T.Boettcher a.Boldyrev a.Bonda. N.Bonda. S.Borghi m.Borisya. m.Borsa.o J.T.Borsuk T.J.V.Bowcock C.Bozzi S.Bra.n a.Brea.Rodriguez m.Brodski J.Brodzicka.a.Brossa.Gonza.o D.Brundu E.Bucha.a. a.Buona.ra.C.Burr a.Bursche J.S.Butter J.Buyta.rt W.Byczynski S.Ca.eddu H.Ca. R.Ca.a.rese S.Ca.i R.Ca.la.ine m.Ca.vi m.Ca.vo Gom.z a.Ca.0}oni P.Ca.0}a.a.D.H.Ca.0}ora.Perez L.Ca.riotti a.Ca.bone G.Ca.boni R.Ca.dina.e a.Ca.dini P.Ca.niti K.Ca.va.ho a.iba.a.Ca.a.s Vida. G.Ca.se m.Ca.ta.eo G.Ca.a.lero R.Cenci J.Cera.oli m.G.Cha.m.n m.Cha.les Ph.Cha.pentier G.Cha.zikonsta.tinidis m.Chefdeville V.Cheka.ina.C.Chen S.Chen a.Chernov S.-G.Chitic V.Choba.ova.m.Chrza.zcz a.Chubykin P.Cia.0}rone m.F.Cica.a.X.Cid Vida. G.Cieza.ek F.Cindolo P.E.L.Cla.ke m.Clem.ncic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.a.B.Coelho J.Coga. E.Cognera. L.Cojoca.iu P.Collins T.Colom.o a.Com.rm.-m.ntells a.Contu N.Cooke G.Coom.s S.Coquerea. G.Corti C.m.Costa.Sobra. B.Couturier D.C.Cra.k J.Crkovska.a.Crocom.e m.Cruz Torres R.Currie C.L.Da.Silva.E.Da.l'Occo J.Da.seno C.D'a.0}rosio a.Da.ilina.P.d'a.gent a.Da.is O.De a.uia. Fra.cisco K.De Bruyn S.De Ca.ua.m Centro Bra.ileiro de Pesquisa. Fisica.(CBPF) Rio de JaneiroBrazil Universida.e Federa. do Rio de Ja.eiro(UFRJ) Rio de JaneiroBrazil Center for High Energy Physics Tsinghua UniversityBeijingChina School of Physics Sta.e Key La.ora.ory of Nuclea. Physics a.d Technology Peking UniversityBeijingChina University of Chinese a.a.em. of Sciences BeijingChina Institute Of High Energy Physics(IHEP) BeijingChina Institute of Pa.ticle Physics Central China Normal UniversityWuhanHubeiChina Univ.Grenoble a.pes Univ.Savoie Mont BlancCNRSIN2P3-LAPPAnnecyFrance Universite Clerm.nt a.vergne CNRS/IN2P3LPCClermont-FerrandFrance a.x m.rseille Univ CNRS/IN2P3CPPMMarseilleFrance La. Univ.Paris-SudCNRS/IN2P3Universite Paris-SaclayOrsayFrance LPNHE Sorbonne Universite Paris Diderot Sorbonne Paris Cite CNRS/IN2P3ParisFrance I.Physika.isches Institut RWTH Aachen UniversityAachenGermany Fa.ulta. Physik Technische Universitat DortmundDortmundGermany m.x-Pla.ck-Institut für Kernphysik(m.IK) HeidelbergGermany Physika.isches Institut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Sezione di Ba.i BariItaly INFN Sezione di Bologna BolognaItaly INFN Sezione di Ferra.a FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN La.ora.ori Na.iona.i di Fra.ca.i FrascatiItaly INFN Sezione di Genova GenovaItaly INFN Sezione di m.la.o-Bicocca MilanoItaly INFN Sezione di m.la.o MilanoItaly INFN Sezione di Ca.lia.i MonserratoItaly INFN Sezione di Pa.ova PadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Rom. Tor Verga.a RomaItaly INFN Sezione di Rom. La.Sa.ienza RomaItaly Nikhef Na.iona. Institute for Suba.om.c Physics AmsterdamNetherlands Nikhef Na.iona. Institute for Suba.om.c Physics a.d VU University a.0}terda. AmsterdamNetherlands Henryk Niewodnicza.ski Institute of Nuclea. Physics Polish a.a.em. of Sciences KrakowPoland a.H-University of Science a.d Technology Faculty of Physics and Applied Computer ScienceKrakowPoland Na.io

a.sea.ch for the doubly cha.m.d ba.yon ■^+cc is perform.d through its deca. to theΛ^+c K^-π^+ fina. sta.e,using proton-proton collision da.a.collected with the LHCb detector a. centre-of-m.ss energies of 7,8 a.d 13 *** da.a.correspond to a.tota. integra.ed lum.nosity of 9 fb^-*** significa.t signa. is observed in the m.ss ra.ge from.3.4 to 3.8 GeV/c^*** lim.ts a.e set a. 95%credibility level on the ra.io of the ■^+cc production cross-section tim.s the bra.ching fra.tion to tha. ofΛ^+c a.d ■^++cc *** lim.ts a.e determ.ned a. functions of the ■^+cc m.ss for different lifetim. hypotheses,in the ra.idity ra.ge from.2.0 to 4.5 a.d the tra.sverse m.m.ntum.ra.ge from.4 to 15 GeV/c.

关键词： cha.m.d ba.yons lim.ts on production of pa.ticles cha.m.d qua.ks experim.nta. tests

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Sea.ch for the ra.e deca. B^(0)→J/ψФ

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Chinese Physics C 2021年第4期45卷 47-60页

作者： R.a.ij C.a.ellin Beteta.T.a.kernley B.a.eva.m.a.inolfi H.a.sha.nia. C.a.a.da.a.S.a.ola.Z.a.a.touni S.a.a. J.a.brecht F.a.essio m.a.exa.der a.a.fonso a.bero Z.a.iouche G.a.kha.ov P.a.va.ez Ca.telle S.a.0}to Y.a.0}is L.a. L.a.derlini a.a.dreia.ov m.a.dreotti F.a.chilli a.a.ta.0}nov m.a.tuso K.a.zym.tov E.a.la.ides m.a.zeni B.a.durier S.Ba.hm.nn m.Ba.hm.ver J.J.Ba.k S.Ba.er P.Ba.a.ron Rodriguez V.Ba.a.ura.W.Ba.dinit J.Ba.tista.Leite R.J.Ba.low S.Ba.suk W.Ba.ter m.Ba.tolini F.Ba.yshnikov J.m.Ba.els G.Ba.si B.Ba.sukh a.Ba.tig a.Ba. m.Becker F.Bedeschis I.Bedia.a.a.Beiter V.Bela.in S.Belin V.Bellee K.Belous I.Belov I.Belya.v G.Bencivenni E.Ben-Ha.m.a.Berezhnoy *** D.Berninghoff H.C.Bernstein C.Bertella.E.Bertholet a.Bertolin C.Beta.court F.Betti m.O.Bettler Ia.Bezshyiko S.Bha.in J.Bhom.L.Bia. m.S.Bieker S.Bifa.i P.Billoir m.Birch F.C.R.Bishop a.Bizzeti m.Biorn m.P.Bla.o T.Bla.e F.Bla.c S.Blusk D.Bobulska.J.a.Boelha.ve O.Boente Ga.cia.T.Boettcher a.Boldyrev a.Bonda. N.Bonda. S.Borghi m.Borisya. m.Borsa.o J.T.Borsuk S.a.Bouchiba.T.J.V.Bowcock a.Boyer C.Bozzi m.J.Bra.ley S.Bra.n a.Brea.Rodriguezs m.Brodski J.Brodzicka.a.Brossa.Gonza.o D.Brundu a.Buona.ra.C.Burr a.Burschee a.Butkevich J.S.Butter J.Buyta.rt W.Byczynski S.Ca.eddu H.Ca. R.Ca.a.rese L.Ca.efice L.Ca.ero Dia. S.Ca.i R.Ca.la.ine m.Ca.vi m.Ca.vo Gom.z P.Ca.0}rgo m.ga.ha.s a.Ca.0}oni P.Ca.0}a.a.D.H.Ca.0}ora.Perez a.F.Ca.0}overde Queza.a.S.Ca.elli L.Ca.riotti a.Ca.bonel G.Ca.boni R.Ca.dina.e a.Ca.dini I.Ca.li P.Ca.niti L.Ca.us K.Ca.va.ho a.iba.a.Ca.a.s Vida. G.Ca.se m.Ca.ta.eo G.Ca.a.lero S.Cela.i J.Cera.oli a.J.Cha.wick m.G.Cha.m.n m.Cha.les Ph.Cha.pentier G.Cha.zikonsta.tinidis C.a.Cha.ez Ba.a.a. m.Chefdeville C.Chen S.Chen a.Chernov S.-G.Chitic V.Choba.ova.S.Chola. m.Chrza.zcz a.Chubykin V.Chulikov P.Cia.0}rone m.F.Cica.a.X.Cid Vida. G.Cieza.ek P.E.L.Cla.ke m.Clem.ncic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.a.B.Coelho J.Coga. E.Cognera. L.Cojoca.iu P.Collins T.Colom.o L.Congedo a.Contu N.Cooke G.Coom.s G.Corti C.m.Costa.Sobra. B.Couturier D.C.Cra.k J.Crkovska.m.Cruz Centro Bra.ileiro de Pesquisa. Fisica.(CBPF) Riode JaneiroBrazil Universida.e Federa. do Riode Ja.eiro(UFRJ) Riode JaneiroBrazil Center for High Energy Physics Tsinghua UniversityBeijingChina School of Physics Sta.e Key La.ora.ory of Nuclea. Physics a.d Technology Peking UniversityBeijingChina University of Chinese a.a.em. of Sciences BeijingChina Institute Of High Energy Physics(IHEP) BejingChina Institute of Pa.ticle Physics Central China Normal UniversityWuhanHubeiChina Univ.Grenoble a.pes Univ.Savoie Mont BlancCNRSIN2P3-LAPPAnnecyFrance Universite Clerm.nt a.vergne CNRS/IN2P3LPCClermont-FerrandFrance a.x m.rseille Univ CNRS/IN2P3CPPMMarseilleFrance Universitq Pa.is-Sa.la. CNRS/IN2P3IJCLabOrsayFrance LPNHE Sorbonne UniversiteParis Diderot Sorbonne Paris CiteCNRS/IN2P3ParisFrance I.Physika.isches Institut RWTH Aachen UniversityAachenGermany Fa.ulta. Physik Technische Universitat DortmundDortmundGermany m.x-Pla.ck-Institut fir Kernphysik(m.IK) HeidelbergGermany Physika.isches Institut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Sezione di Ba.i BariItaly INFN Sezione di Bologna BolognaItaly INFN Sezione di Ferra.a FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN La.ora.ori Na.iona.i di Fra.ca.i Frascatiltaly INFN Sezione di Genova GenovaItaly INFN Sezione di m.la.o Bicocca Milanolaly INFN Sezione di m.la.o MilanoItaly INFN Sezione di Ca.lia.i Monserratoltaly Universita.degli Studi di Pa.ova Universita e INFNPadovaPadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Rom. Tor Verga.a RomaItaly INFN Sezione di Rom. La.Sa.ienza RomaItaly Nikhef Na.iona. Institute for Suba.om.c Physics AmsterdamNetherlands Nikhef Na.iona. Institute for Suba.om.c Physics a.d VU University a.0}terda. AmsterdamNetherlands Henryk Niewodnicza.ski Institute of Nuclea. Physics Polish a.a.em. of Sciences KrakowPoland a.H-University of Science a.d Technology Faculty of Physics and Applied Computer Science

a.sea.ch for the ra.e deca. B^(0)→J/ψФis perform.d using Pp collision da.a.collected with the LHCb dete-ctor a. centre-of-m.ss energies of 7,8 a.d 13 TeV,corresponding to a. integra.ed lum.nosity of9 *** significa.t signa. of the deca. is observed a.d a. upper lim.tof 1.1x 10^(-7)a. 90%confidence level is set on the bra.ching fra.tion.

关键词： B physics fla.our physics ra.e deca. ω-Фm.xing bra.ching fra.tion

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Sea.ch for the doubly hea.y ba.yons Ω^(0)_(bc) a.d E^(0)_(bc) deca.ing to Λ^(+)_(c)π^(-) a.d E^(+)_(c)π^(-)

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Chinese Physics C 2021年第9期45卷 10-21页

作者： R.a.ij C.a.elia. Beteta.T.a.kernley B.a.eva.m.a.inolfi H.a.sha.0}a.C.a.a.da.a.S.a.ola.Z.a.a.touni S.a.a.J.a.brecht F.a.essio m.a.exa.der a.a.fonso a.bero Z.a.iouche G.a.kha.ov P.a.va.ez Ca.telie S.a.0}to Y.a.0}is L.a. L.a.derlini a.a.dreia.ov m.a.dreotti F.a.chilli a.a.ta.0}nov m.a.tuso K.a.zym.tov E.a.la.ides m.a.zeni B.a.durier S.Ba.hm.nn m.Ba.hm.yer J.J.Ba.k P.Ba.a.ron Rodriguez V.Ba.a.ura.W.Ba.dini J.Ba.tista.Leite R.J.Ba.low S.Ba.suk W.Ba.ter m.Ba.tolini F.Ba.yshnikov J.m.Ba.els G.Ba.si B.Ba.sukh a.Ba.tig a.Ba. m.Becker F.Bedeschi I.Bedia.a.a.Beiter V.Bela.in S.Belin V.Bellee K.Belous I.Belov I.Belya.v G.Bencivenni E.Ben-Ha.m.a.Berezhnoy *** D.Bem.nghoff H.C.Bernstein C.Bertella.a.Bertolin C.Beta.court F.Betti Ia.Bezshyiko S.Bha.in J.Bhom.L.Bia. m.S.Bieker S.Bifa.i P.Billoir m.Birch F.C.R.Bishop a.Bita.ze a.Bizzeti m.Bjorn m.P.Bla.o T.Bla.e F.Bla.c S.Blusk D.Bobulska.J.a.Boelha.ve O.Boente Ga.cia.T.Boettcher a.Boldyrev a.Bonda. N.Bonda. S.Borghi m.Borisya. m.Borsa.o J.T.Borsuk S.a.Bouchiba.T.J.V.Bowcock a.Boyer C.Bozzi m.J.Bra.ley S.Bra.n a.Brea.Rodriguez m.Brodski J.Brodzicka.a.Brossa.Gonza.o D.Brundu a.Buona.ra.C.Burr a.Bursche a.Butkevich J.S.Butter J.Buyta.rt W.Byczynski S.Ca.eddu H.Ca. R.Ca.a.rese L.Ca.efice L.Ca.ero Dia. S.Ca.i R.Ca.la.ine m.Ca.vi m.Ca.vo Gom.z P.Ca.0}rgo m.ga.ha.s a.Ca.0}oni P.Ca.0}a.a.a.F.Ca.0}overde Queza.a.S.Ca.elli L.Ca.riotti a.Ca.bone G.Ca.boni R.Ca.dina.e a.Ca.dini I.Ca.li P.Ca.0}ti L.Ca.us K.Ca.va.ho a.iba.a.Ca.a.s Vida. G.Ca.se m.Ca.ta.eo G.Ca.a.lero S.Cela.i J.Cera.oli a.J.Cha.wick m.G.Cha.m.n m.Cha.les Ph.Cha.pentier G.Cha.zikonsta.tinidis C.a.Cha.ez Ba.a.a. m.Chefdeville C.Chen S.Chen a.Chernov V.Choba.ova.S.Chola. m.Chrza.zcz a.Chubykin V.Chulikov P.Cia.0}rone m.F.Cica.a.X.Cid Vida. G.Cieza.ek P.E.L.Cla.ke m.Clem.ncic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.a.B.Coelho J.Coga. E.Cognera. L.Cojoca.iu P.Collins T.Colom.o L.Congedo a.Contu N.Cooke G.Coom.s G.Corti C.m.Costa.Sobra. B.Couturier D.C.Cra.k J.Crkovska.m.Cruz Torres R.Currie C.L.Da.Silva.E.Da.l'Occo J.Da.seno C.D'a.0}rosi Centro Bra.ileiro de Pesquisa. Fisica.(CBPF) Rio de JaneiroBrazil Universida.e Federa. do Rio de Ja.eiro(UFRJ) Rio de JaneiroBrazil Center for High Energy Physics Tsinghua UniversityBeijingChina Institute of High Energy Physics(IHEP) BeijingChina School of Physics Sta.e Key La.ora.ory of Nuclea. Physics a.d Technology Peking UniversityBeijingChina University ofChinese a.a.em. of Sciences BeijingChina Institute of Pa.ticle Physics Central China Normal UniversityWuhanHubeiChina Univ.Sa.oie m.nt Bla.c CNRSIN2P3-LAPPAnnecyFrance Universite Clerm.nt a.vergne CNRS/IN2P3LPCClermont-FerrandFrance a.x m.rseille Univ CNRS/IN2P3CPPMMarseilleFrance Universite Pa.is-Sa.la. CNRS/IN2P3IJCLabOrsayFrance La.ora.oire Leprince-Ringuet CNRS/IN2P3Ecole PolytechniqueInstitut Polytechnique de ParisPalaiseauFrance LPNHE Sorbonne UniversiteParis Diderot Sorbonne Paris CiteCNRS/FN2P3ParisFrance I.Physika.isches Institut RWTH Aachen UniversityAachenGermany Fa.ulta. Physik Technische Universitat DortmundDortmundGermany m.x-Pla.ck-Institut für Kem.hysik(m.IK) HeidelbergGermany Physika.isches Institut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Sezione di Ba.i BariItaly INFN Sezione di Bologna BolognaItaly INFN Sezione di Ferra.a FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN La.ora.ori Na.iona.i di Fra.ca.i FrascatiItaly INFN Sezione di Genova GenovaItaly INFN Sezione di m.la.o MilanoItaly INFN Sezione di m.la.o-Bicocca MilanoItaly INFN Sezione di Ca.lia.i MonserratoItaly Universita.degli Studi di Pa.ova Universita e INFNPadovaPadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Rom. La.Sa.ienza RomaItaly INFN Sezione di Rom. Tor Verga.a RomaItaly Nikhef Na.iona. Institute for Suba.om.c Physics AmsterdamNetherlands Nikhef Na.iona. Institute for Suba.om.c Physics a.d VU University a.0}terda. AmsterdamNetherlands a.H-University of Science a.d Technology Faculty of Physics and Applied Computer ScienceKr

The first sea.ch for the doubly hea.yΩ^(0)_(bc)ba.yon a.d a.sea.ch for the E^(0)_(bc)ba.yon a.e perform.d using pp collision da.a.collected via.the LHCb experim.nt from.2016 to 2018 a. a.centre-of-m.ss energy of 13 TeV,corresponding to a. integra.ed lum.nosity of 5.2 fb^(-1).The ba.yons a.e reconstructed via.their deca.s to Λ^(+)_(c)π^(-)a.d E^(+)_(c)π^(-).No significa.t excess is fbund for inva.ia.t m.sses between 6700 a.d 7300 m.V/c^(2),in a.ra.idity ra.ge from.2.0 to 4.5 a.d a.tra.sverse m.m.ntum.ra.ge from.2 to 20 m.V/*** lim.ts a.e set on the ra.io of the Ω^(0)_(bc)a.d E^(0)_(bc)production cross-section tim.s the bra.ching fra.tion to Λ^(+)_(c)π^(-)(E^(+)_(c)π^(-))rela.ive to tha. of the Λ^(0)_(b)(E^(0)_(b))ba.yon,for different lifetim. hypotheses,a. 95%confidence *** upper lim.ts ra.ge from.0.5 x 10^(-4)to 2.5 x 10^(-4)for theΩ^(0)_(bc)→Λ^(+)_(c)π^(-)(E^(0)_(bc)→Λ^(+)_(c)π^(-))deca.,a.d from.1.4x 10^(-3)to 6.9 x 10^(-3)for theΩ^(0)_(bc)→E^(+)_(c)π^(-)(E^(0)_(bc)→E^(+)_(c)π^(-))deca.,depending on the considered m.ss a.d lifetim. of theΩ^(0)_(bc)(E^(0)_(bc))ba.yon.

关键词： B physics qua.konium spectroscopy hea.y qua.k production

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m.a.urem.nt of Ξcc++ production in pp collisions a. s1/2=13 TeV

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Chinese Physics C 2020年第2期44卷 13-23页

作者： R.a.ij C.a.ellán Beteta.T.a.kernley B.a.eva.m.a.inolfi H.a.sha.nia.C.a.a.da.a.S.a.ola.Z.a.a.touni S.a.a. P.a.bicocco J.a.brecht F.a.essio m.a.exa.der a.a.fonso a.bero G.a.kha.ov P.a.va.ez Ca.telle a.a.a.ves Jr S.a.0}to Y.a.0}is L.a. L.a.derlini G.a.drea.si m.a.dreotti F.a.chilli a.a.ta.0}nov m.a.tuso K.a.zym.tov E.a.la.ides m.a.zeni B.a.durier S.Ba.hm.nn J.J.Ba.k S.Ba.er V.Ba.a.ura.W.Ba.dini a.Ba.a.ov R.J.Ba.low S.Ba.suk W.Ba.ter m.Ba.tolini F.Ba.yshnikov J.m.Ba.els G.Ba.si V.Ba.ozska.a.B.Ba.sukh a.Ba.tig a.Ba. m.Becker F.Bedeschi I.Bedia.a.a.Beiter L.J.Bel V.Bela.in S.Belin V.Bellee K.Belous I.Belya.v G.Bencivenni E.Ben-Ha.m.S.Benson S.Bera.ek a.Berezhnoy *** D.Berninghoff H.C.Bernstein C.Bertella.E.Bertholet a.Bertolin C.Beta.court F.Betti m.O.Bettler Ia.Bezshyiko S.Bha.in J.Bhom.m.S.Bieker S.Bifa.i P.Billoir a.Bizzeti m.Bjørn m.P.Bla.o T.Bla.e F.Bla.c S.Blusk D.Bobulska.V.Bocci O.Boente Ga.cia.T.Boettcher a.Boldyrev a.Bonda. N.Bonda. S.Borghi m.Borisya. m.Borsa.o J.T.Borsuk T.J.V.Bowcock C.Bozzi m.J.Bra.ley S.Bra.n a.Brea.Rodriguez m.Brodski J.Brodzicka.a.Brossa.Gonza.o D.Brundu E.Bucha.a. a.Buona.ra.C.Burr a.Bursche a.Butkevich J.S.Butter J.Buyta.rt W.Byczynski S.Ca.eddu H.Ca. R.Ca.a.rese L.Ca.ero Dia. S.Ca.i R.Ca.la.ine m.Ca.vi m.Ca.vo Gom.z P.Ca.0}rgo m.ga.ha.s a.Ca.0}oni P.Ca.0}a.a.D.H.Ca.0}ora.Perez a.F.Ca.0}overde Queza.a.L.Ca.riotti a.Ca.bone G.Ca.boni R.Ca.dina.e a.Ca.dini I.Ca.li P.Ca.niti K.Ca.va.ho a.iba.a.Ca.a.s Vida. G.Ca.se m.Ca.ta.eo G.Ca.a.lero S.Cela.i R.Cenci J.Cera.oli m.G.Cha.m.n m.Cha.les Ph.Cha.pentier G.Cha.zikonsta.tinidis m.Chefdeville V.Cheka.ina.C.Chen S.Chen a.Chernov S.-G.Chitic V.Choba.ova.S.Chola. m.Chrza.zcz a.Chubykin P.Cia.0}rone m.F.Cica.a.X.Cid Vida. G.Cieza.ek F.Cindolo P.E.L.Cla.ke m.Clem.ncic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.a.B.Coelho J.Coga. E.Cognera. L.Cojoca.iu P.Collins T.Colom.o a.Com.rm.-m.ntells a.Contu N.Cooke G.Coom.s S.Coquerea. G.Corti C.m.Costa.Sobra. B.Couturier D.C.Cra.k J.Crkovska.a.Crocom.e m.Cruz Torres R.Currie C.L.Da.Silva.E.Da.l'Occo J.Da.seno C.D' Centro Bra.ileiro de Pesquisa. Física.(CBPF) Rio de JaneiroBrazil Universida.e Federa. do Rio de Ja.eiro(UFRJ) Rio de JaneiroBrazil Center for High Energy Physics Tsinghua UniversityBeijingChina School of Physics Sta.e Key La.ora.ory of Nuclea. Physics a.d Technology Peking UniversityBeijingChina University of Chinese a.a.em. of Sciences BeijingChina Institute Of High Energy Physics(IHEP) BeijingChina Institute of Pa.ticle Physics Central China Normal UniversityWuhanHubeiChina Univ.Grenoble a.pes Univ.Savoie Mont BlancCNRSIN2P3-LAPPAnnecyFrance UniversitéClerm.nt a.vergne CNRS/IN2P3LPCClermont-FerrandFrance a.x m.rseille Univ CNRS/IN2P3CPPMMarseilleFrance La. Univ.Paris-SudCNRS/IN2P3UniversitéParis-SaclayOrsayFrance LPNHE Sorbonne UniversitéParis Diderot Sorbonne Paris CitéCNRS/IN2P3ParisFrance I.Physika.isches Institut RWTH Aachen UniversityAachenGermany Fa.ultät Physik Technische Universität DortmundDortmundGermany m.x-Pla.ck-Institut für Kernphysik(m.IK) HeidelbergGermany Physika.isches Institut Ruprecht-Karls-Universität HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Sezione di Ba.i BariItaly INFN Sezione di Bologna BolognaItaly INFN Sezione di Ferra.a FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN La.ora.ori Na.iona.i di Fra.ca.i FrascatiItaly INFN Sezione di Genova GenovaItaly INFN Sezione di m.la.o-Bicocca MilanoItaly INFN Sezione di m.la.o MilanoItaly INFN Sezione di Ca.lia.i MonserratoItaly INFN Sezione di Pa.ova PadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Rom. Tor Verga.a RomaItaly INFN Sezione di Rom. La.Sa.ienza RomaItaly Nikhef Na.iona. Institute for Suba.om.c Physics AmsterdamNetherlands Nikhef Na.iona. Institute for Suba.om.c Physics a.d VU University a.0}terda. AmsterdamNetherlands Henryk Niewodnicza.ski Institute of Nuclea. Physics Polish a.a.em. of Sciences KrakówPoland a.H-University of Science a.d Technology Faculty of Physics and Applied Computer ScienceKrakówPoland Na.iona

The production of ■ba.yons in proton-proton collisions a. a.centre-of-m.ss energy of √s = 13 TeV is m.a.ured in the tra.sverse-m.m.ntum.ra.ge 4a.d the ra.idity ra.ge2.0a.a.used in this m.a.urem.nt correspond to a. integra.ed lum.nosity of 1.7fb^-1,recorded by the LHCb experim.nt during *** ra.io of the ■ production cross-section tim.s the bra.ching fra.tion of the■→∧^+cK^-π^+ π^+deca. rela.ive to the prom.t ∧^+c production cross-section is found to be(2.22±0.27±0.29)×10^-4,a.sum.ng the centra. va.ue of the m.a.ured lifetim.,where the first uncerta.nty is sta.istica. a.d the second system.tic.

关键词： doubly cha.m.d ba.yons ha.ron production QCD

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Sea.ch for the doubly hea.y ba.yon Ξ_(bc)^(+)→ deca.ing to J/ψΞ_(c)^(+)

引用

Chinese Physics C 2023年第9期47卷 1-13页

作者： R.a.ij a.S.W.a.delm.tteleb C.a.ella. Beteta.F.a.udinén T.a.kernley B.a.eva.m.a.inolfi H.a.sha.nia.C.a.a.opoulou C.a.a.da.a.S.a.ola.Z.a.a.touni S.a.a. K.a.iba.J.a.brecht F.a.essio m.a.exa.der a.a.fonso a.bero Z.a.iouche P.a.va.ez Ca.telle S.a.0}to J.L.a.0}y Y.a.0}is L.a. L.a.derlini m.a.dersson a.a.dreia.ov m.a.dreotti D.a.dreou D.a. F.a.chilli a.a.ta.0}nov m.a.tuso E.a.la.ides m.a.zeni B.a.durier S.Ba.hm.nn m.Ba.hm.yer J.J.Ba.k a.Ba.lly-reyre P.Ba.a.ron Rodriguez V.Ba.a.ura.W.Ba.dini J.Ba.tista.de Souza.Leite m.Ba.betti R.J.Ba.low S.Ba.suk W.Ba.ter m.Ba.tolini F.Ba.yshnikov J.m.Ba.els G.Ba.si B.Ba.sukh a.Ba.tig a.Ba. a.Beck m.Becker F.Bedeschi I.B.Bedia.a.a.Beiter V.Bela.in S.Belin V.Bellee K.Belous I.Belov I.Belya.v G.Bencivenni E.Ben-Ha.m.a.Berezhnoy *** D.Berninghoff H.C.Bernstein C.Bertella.a.Bertolin C.Beta.court F.Betti Ia.Bezshyiko S.Bha.in J.Bhom.L.Bia. m.S.Bieker N.V.Biesuz S.Bifa.i P.Billoir a.Biolchini m.Birch F.C.R.Bishop a.Bita.ze a.Bizzeti m.P.Bla.o T.Bla.e F.Bla.c S.Blusk D.Bobulska.J.a.Boelha.ve O.Boente Ga.cia.T.Boettcher a.Boldyrev N.Bonda. S.Borghi m.Borsa.o J.T.Borsuk S.a.Bouchiba.T.J.V.Bowcock a.Boyer C.Bozzi m.J.Bra.ley S.Bra.n a.Brea.Rodriguez J.Brodzicka.a.Brossa.Gonza.o D.Brundu a.Buona.ra.L.Buonincontri a.T.Burke C.Burr a.Bursche a.Butkevich J.S.Butter J.Buyta.rt W.Byczynski S.Ca.eddu H.Ca. R.Ca.a.rese L.Ca.efice S.Ca.i R.Ca.la.ine m.Ca.vi m.Ca.vo Gom.z P.Ca.0}rgo m.ga.ha.s P.Ca.0}a.a.D.H.Ca.0}ora.Perez a.F.Ca.0}overde Queza.a.S.Ca.elli L.Ca.riotti a.Ca.bone G.Ca.boni R.Ca.dina.e a.Ca.dini I.Ca.li P.Ca.niti L.Ca.us a.Ca.a.s Vida. R.Ca.pa.y G.Ca.se m.Ca.ta.eo G.Ca.a.lero V.Ca.a.lini S.Cela.i J.Cera.oli D.Cervenkov a.J.Cha.wick m.G.Cha.m.n m.Cha.les Ph.Cha.pentier C.a.Cha.ez Ba.a.a. m.Chefdeville C.Chen S.Chen a.Chernov S.Chernyshenko V.Choba.ova.S.Chola. m.Chrza.zcz a.Chubykin V.Chulikov P.Cia.0}rone m.F.Cica.a.X.Cid Vida. G.Cieza.ek G.Ciullo P.E.L.Cla.ke m.Clem.ncic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.a.B.Coelho J.Coga. E.Cognera. L.Cojoca.iu P.Collins T.Colom.o L.Congedo a.Contu N.Cooke Centro Bra.ileiro de Pesquisa. Física.(CBPF) Rio de JaneiroBrazil Universida.e Federa. do Rio de Ja.eiro(UFRJ) Rio de JaneiroBrazil Center for High Energy Physics Tsinghua UniversityBeijingChina Institute Of High Energy Physics(IHEP) BeijingChina School of Physics Sta.e Key La.ora.ory of Nuclea. Physics a.d Technology Peking UniversityBeijingChina University of Chinese a.a.em. of Sciences BeijingChina Institute of Pa.ticle Physics Central China Normal UniversityWuhanHubeiChina Université Sa.oie m.nt Bla.c CNRSIN2P3-LAPPAnnecyFrance UniversitéClerm.nt a.vergne CNRS/IN2P3LPCClermont-FerrandFrance a.x m.rseille Univ CNRS/IN2P3CPPMMarseilleFrance UniversitéPa.is-Sa.la. CNRS/IN2P3IJCLabOrsayFrance La.ora.oire Leprince-Ringuet CNRS/IN2P3Ecole PolytechniqueInstitut Polytechnique de ParisPalaiseauFrance LPNHE Sorbonne UniversitéParis Diderot Sorbonne Paris CitéCNRS/IN2P3ParisFrance I.Physika.isches Institut RWTH Aachen UniversityAachenGermany Fa.ultät Physik Technische Universität DortmundDortmundGermany m.x-Pla.ck-Institut für Kernphysik(m.IK) HeidelbergGermany Physika.isches Institut Ruprecht-Karls-Universität HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Sezione di Ba.i BariItaly INFN Sezione di Bologna BolognaItaly INFN Sezione di Ferra.a FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN La.ora.ori Na.iona.i di Fra.ca.i FrascatiItaly INFN Sezione di Genova GenovaItaly INFN Sezione di m.la.o MilanoItaly INFN Sezione di m.la.o-Bicocca MilanoItaly INFN Sezione di Ca.lia.i MonserratoItaly Universitàdegli Studi di Pa.ova Universitàe INFNPadovaPadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Rom. La.Sa.ienza RomaItaly INFN Sezione di Rom. Tor Verga.a RomaItaly Nikhef Na.iona. Institute for Suba.om.c Physics AmsterdamNetherlands Nikhef Na.iona. Institute for Suba.om.c Physics a.d VU University a.0}terda. AmsterdamNetherlands a.H-University of Science a.d Technology Faculty of Physics and Applied Computer Scienc

a.first sea.ch for the Ξ_(bc)^(+)J/ψΞ_(c)^(+) deca. is perform.d by the LHCb experim.nt with a.da.a.sa.0}le of proton-proton collisions, corresponding to a. integra.ed lum.nosity of 9 fb−1 recorded a. centre-of-m.ss energies of 7, 8, a.d 13 TeV. Two pea.ing structures a.e seen with a.loca. (globa.) significa.ce of 4.3(2.8) a.d 4.1(2.4) sta.da.d devia.ions a. m.sses of 6571 a.d 6694 m.V/c2, respectively. Upper lim.ts a.e set on the Ξ+bc ba.yon production cross-section tim.s the bra.ching fra.tion rela.ive to tha. of the B+c→J/ψD+s deca. a. centre-of-m.ss energies of 8 a.d 13 TeV, in the Ξ+bc a.d in the B+c ra.idity a.d tra.sverse-m.m.ntum.ra.ges from.2.0 to 4.5 a.d 0 to 20GeV/c, respectively. Upper lim.ts a.e presented a. a.function of the Ξ+bc m.ss a.d lifetim..

关键词： QCD B physics cha.m.physics spectroscopy

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Sea.ch for the ra.e deca.s W^(+)→D_(s)^(+)γ a.d Z→D^(0)γ a. LHCb

引用

Chinese Physics C 2023年第9期47卷 14-26页

作者： R.a.ij a.S.W.a.delm.tteleb C.a.ella. Beteta.F.a.udinén T.a.kernley B.a.eva.m.a.inolfi P.a.la.son H.a.sha.nia.C.a.a.opoulou C.a.a.da.a.Z.a.a.touni S.a.a. K.a.iba.J.a.brecht F.a.essio m.a.exa.der a.a.fonso a.bero Z.a.iouche P.a.va.ez Ca.telle R.a.0}lric S.a.0}to J.L.a.0}y Y.a.0}is L.a. L.a.derlini m.a.dersson a.a.dreia.ov m.a.dreotti D.a.dreou D.a. F.a.chilli a.a.ta.0}nov m.a.tuso E.a.la.ides m.a.zeni B.a.durier S.Ba.hm.nn m.Ba.hm.yer J.J.Ba.k a.Ba.lly-reyre P.Ba.a.ron Rodriguez V.Ba.a.ura.W.Ba.dini J.Ba.tista.de Souza.Leite m.Ba.betti R.J.Ba.low S.Ba.suk W.Ba.ter m.Ba.tolini F.Ba.yshnikov J.m.Ba.els G.Ba.si B.Ba.sukh a.Ba.tig a.Ba. a.Beck m.Becker F.Bedeschi I.B.Bedia.a.a.Beiter V.Bela.in S.Belin V.Bellee K.Belous I.Belov I.Belya.v G.Bena.e G.Bencivenni E.Ben-Ha.m.a.Berezhnoy *** *** a.dres D.Berninghoff H.C.Bernstein C.Bertella.a.Bertolin C.Beta.court F.Betti Ia.Bezshyiko S.Bha.in J.Bhom.L.Bia. m.S.Bieker N.V.Biesuz S.Bifa.i P.Billoir a.Biolchini m.Birch F.C.R.Bishop a.Bita.ze a.Bizzeti m.P.Bla.o T.Bla.e F.Bla.c J.E.Bla.k S.Blusk D.Bobulska.J.a.Boelha.ve O.Boente Ga.cia.T.Boettcher a.Boldyrev C.S.Bologna.i R.Bolzonella.N.Bonda. F.Borga.o S.Borghi m.Borsa.o J.T.Borsuk S.a.Bouchiba.T.J.V.Bowcock a.Boyer C.Bozzi m.J.Bra.ley S.Bra.n a.Brea.Rodriguez J.Brodzicka.a.Brossa.Gonza.o J.Brown D.Brundu a.Buona.ra.L.Buonincontri a.T.Burke C.Burr a.Bursche a.Butkevich J.S.Butter J.Buyta.rt W.Byczynski S.Ca.eddu H.Ca. R.Ca.a.rese L.Ca.efice S.Ca.i R.Ca.la.ine m.Ca.vi m.Ca.vo Gom.z P.Ca.0}a.a.D.H.Ca.0}ora.Perez a.F.Ca.0}overde Queza.a.S.Ca.elli L.Ca.riotti a.Ca.bone G.Ca.boni R.Ca.dina.e a.Ca.dini P.Ca.niti L.Ca.us a.Ca.a.s Vida. R.Ca.pa.y G.Ca.se m.Ca.ta.eo G.Ca.a.lero V.Ca.a.lini S.Cela.i J.Cera.oli D.Cervenkov a.J.Cha.wick m.G.Cha.m.n m.Cha.les Ph.Cha.pentier C.a.Cha.ez Ba.a.a. m.Chefdeville C.Chen S.Chen a.Chernov S.Chernyshenko V.Choba.ova.S.Chola. m.Chrza.zcz a.Chubykin V.Chulikov P.Cia.0}rone m.F.Cica.a.X.Cid Vida. G.Cieza.ek G.Ciullo P.E.L.Cla.ke m.Clem.ncic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.a.B.Coelho J.Coga. E.Cognera Centro Bra.ileiro de Pesquisa. Física.(CBPF) Rio de JaneiroBrazil Universida.e Federa. do Rio de Ja.eiro(UFRJ) Rio de JaneiroBrazil Center for High Energy Physics Tsinghua UniversityBeijingChina Institute Of High Energy Physics(IHEP) BeijingChina School of Physics Sta.e Key La.ora.ory of Nuclea. Physics a.d Technology Peking UniversityBeijingChina University of Chinese a.a.em. of Sciences BeijingChina Institute of Pa.ticle Physics Central China Normal UniversityWuhanHubeiChina Université Sa.oie m.nt Bla.c CNRSIN2P3-LAPPAnnecyFrance UniversitéClerm.nt a.vergne CNRS/IN2P3LPCClermont-FerrandFrance a.x m.rseille Univ CNRS/IN2P3CPPMMarseilleFrance UniversitéPa.is-Sa.la. CNRS/IN2P3IJCLabOrsayFrance La.ora.oire Leprince-Ringuet CNRS/IN2P3Ecole PolytechniqueInstitut Polytechnique de ParisPalaiseauFrance LPNHE Sorbonne UniversitéParis Diderot Sorbonne Paris CitéCNRS/IN2P3ParisFrance I.Physika.isches Institut RWTH Aachen UniversityAachenGermany Fa.ulta. Physik Technische Universitat DortmundDortmundGermany m.x-Pla.ck-Institut für Kernphysik(m.IK) HeidelbergGermany Physika.isches Institut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Sezione di Ba.i BariItaly INFN Sezione di Bologna BolognaItaly INFN Sezione di Ferra.a FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN La.ora.ori Na.iona.i di Fra.ca.i FrascatiItaly INFN Sezione di Genova GenovaItaly INFN Sezione di m.la.o MilanoItaly INFN Sezione di m.la.o-Bicocca MilanoItaly INFN Sezione di Ca.lia.i MonserratoItaly Universitàdegli Studi di Pa.ova Universitàe INFNPadovaPadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Rom. La.Sa.ienza RomaItaly INFN Sezione di Rom. Tor Verga.a RomaItaly Nikhef Na.iona. Institute for Suba.om.c Physics AmsterdamNetherlands Nikhef Na.iona. Institute for Suba.om.c Physics a.d VU University a.0}terda. AmsterdamNetherlands a.H-University of Science a.d Technology Faculty of Physics and Applied Computer Scienc

a.sea.ch for the ra.e deca.s W^(+)→D_(s)^(+)γ a.d Z→D0γis perform.d using proton-proton collision da.a.collected by the LHCb experim.nt a. a.centre-of-m.ss energy of 13TeV,corresponding to a. integra.ed lum.nosity of 2.0fb−*** significa.t signa. is observed for either deca. m.de a.d upper lim.ts on their bra.ching fra.tions a.e set using W^(+)→D_(s)^(+)γ a.d Z→μ+μ−deca.s a. norm.liza.ion *** upper lim.ts a.e 6.5×10^(−4) a.d 2.1×10^(−3) a. 95% confidence level for the W^(+)→D_(s)^(+)γ a.d Z→D^(0)γ deca. m.des,*** is the first reported sea.ch for the Z→D^(0)γ deca.,while the upper lim.t on the W+→D+sγbra.ching fra.tion im.roves upon the previous best lim.t.

关键词： W/Z boson ra.e deca. upper lim.t of bra.ching fra.tion

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Evidence of a.J/ψΛstructure a.d observa.ion of excited■^(-)sta.es in the■b^(-)→J/ψΛK^(-) deca.

引用

Science Bulletin 2021年第13期66卷 1278-1287,M0003页

作者： R.a.ij C.a.ellán Beteta.T.a.kernley B.a.eva.m.a.inolfi H.a.sha.nia.C.a.a.da.a.S.a.ola.Z.a.a.touni S.a.a. J.a.brecht F.a.essio m.a.exa.der a.a.fonso a.bero Z.a.iouche G.a.kha.ov P.a.va.ez Ca.telle S.a.0}to Y.a.0}is L.a. L.a.derlini a.a.dreia.ov m.a.dreotti F.a.chilli a.a.ta.0}nov m.a.tuso K.a.zym.tov E.a.la.ides m.a.zeni B.a.durier S.Ba.hm.nn m.Ba.hm.yer J.J.Ba.k S.Ba.er P.Ba.a.ron Rodriguez V.Ba.a.ura.W.Ba.dini J.Ba.tista.Leite R.J.Ba.low S.Ba.suk W.Ba.ter m.Ba.tolini F.Ba.yshnikov J.m.Ba.els G.Ba.si B.Ba.sukh a.Ba.tig a.Ba. m.Becker F.Bedeschi I.Bedia.a.a.Beiter V.Bela.in S.Belin V.Bellee K.Belous I.Belov I.Belya.v G.Bencivenni E.Ben-Ha.m.a.Berezhnoy *** D.Berninghoff H.C.Bernstein C.Bertella.E.Bertholet a.Bertolin C.Beta.court F.Betti Ia.Bezshyiko S.Bha.in J.Bhom.L.Bia. m.S.Bieker S.Bifa.i P.Billoir m.Birch F.C.R.Bishop a.Bizzeti m.Bj┆rn m.P.Bla.o T.Bla.e F.Bla.c S.Blusk D.Bobulska.J.a.Boelha.ve O.Boente Ga.cia.T.Boettcher a.Boldyrev a.Bonda. N.Bonda. S.Borghi m.Borisya. m.Borsa.o J.T.Borsuk S.a.Bouchiba.T.J.V.Bowcock a.Boyer C.Bozzi m.J.Bra.ley S.Bra.n a.Brea.Rodriguez m.Brodski J.Brodzicka.a.Brossa.Gonza.o D.Brundu a.Buona.ra.C.Burr a.Bursche a.Butkevich J.S.Butter J.Buyta.rt W.Byczynski S.Ca.eddu H.Ca. R.Ca.a.rese L.Ca.efice L.Ca.ero Dia. S.Ca.i R.Ca.la.ine m.Ca.vi m.Ca.vo Gom.z P.Ca.0}rgo m.ga.ha.s a.Ca.0}oni P.Ca.0}a.a.a.F.Ca.0}overde Queza.a.S.Ca.elli L.Ca.riotti a.Ca.bone G.Ca.boni R.Ca.dina.e a.Ca.dini I.Ca.li P.Ca.niti L.Ca.us K.Ca.va.ho a.iba.a.Ca.a.s Vida. G.Ca.se m.Ca.ta.eo G.Ca.a.lero S.Cela.i J.Cera.oli a.J.Cha.wick m.G.Cha.m.n m.Cha.les Ph.Cha.pentier G.Cha.zikonsta.tinidis C.a.Cha.ez Ba.a.a. m.Chefdeville C.Chen S.Chen a.Chernov S.-G.Chitic V.Choba.ova.S.Chola. m.Chrza.zcz a.Chubykin V.Chulikov P.Cia.0}rone m.F.Cica.a.X.Cid Vida. G.Cieza.ek P.E.L.Cla.ke m.Clem.ncic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.a.B.Coelho J.Coga. E.Cognera. L.Cojoca.iu P.Collins T.Colom.o L.Congedo a.Contu N.Cooke G.Coom.s G.Corti C.m.Costa.Sobra. B.Couturier D.C.Cra.k J.Crkovská m.Cruz Torres R.Currie C.L.Da.Silva.E.Da.l’ Centro Bra.ileiro de Pesquisa. Física.(CBPF) Rio de JaneiroBrazil Universida.e Federa. do Rio de Ja.eiro(UFRJ) Rio de JaneiroBrazil Center for High Energy Physics Tsinghua UniversityBeijingChina School of Physics Sta.e Key La.ora.ory of Nuclea. Physics a.d Technology Peking UniversityBeijingChina University of Chinese a.a.em. of Sciences BeijingChina Institute Of High Energy Physics(IHEP) BeijingChina Institute of Pa.ticle Physics Central China Normal UniversityWuhanHubeiChina Univ.Grenoble a.pes Univ.Savoie Mont BlancCNRSIN2P3-LAPPAnnecyFrance UniversitéClerm.nt a.vergne CNRS/IN2P3LPCClermont-FerrandFrance a.x m.rseille Univ CNRS/IN2P3CPPMMarseilleFrance UniversitéPa.is-Sa.la. CNRS/IN2P3IJCLabOrsayFrance La.ora.oire Leprince-ringuet(llr) PalaiseauFrance LPNHE Sorbonne UniversitéParis Diderot Sorbonne Paris CitéCNRS/IN2P3ParisFrance I.Physika.isches Institut RWTH Aachen UniversityAachenGermany Fa.ultät Physik Technische Universität DortmundDortmundGermany m.x-Pla.ck-Institut für Kernphysik(m.IK) HeidelbergGermany Physika.isches Institut Ruprecht-Karls-Universität HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Sezione di Ba.i BariItaly INFN Sezione di Bologna BolognaItaly INFN Sezione di Ferra.a FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN La.ora.ori Na.iona.i di Fra.ca.i FrascatiItaly INFN Sezione di Genova GenovaItaly INFN Sezione di m.la.o-Bicocca MilanoItaly INFN Sezione di m.la.o MilanoItaly INFN Sezione di Ca.lia.i MonserratoItaly Universita.degli Studi di Pa.ova Universita e INFNPadovaPadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Rom. Tor Verga.a RomaItaly INFN Sezione di Rom. La.Sa.ienza RomaItaly Nikhef Na.iona. Institute for Suba.om.c Physics AmsterdamNetherlands Nikhef Na.iona. Institute for Suba.om.c Physics a.d VU University a.0}terda. AmsterdamNetherlands Henryk Niewodnicza.ski Institute of Nuclea. Physics Polish a.a.em. of Sciences KrakówPoland a.H-University of Science a.d Techno

First evidence of a.structure in the J/ψΛinva.ia.t m.ss distribution is obta.ned from.a. a.0}litude a.a.ysis of■b^(-)J/ψΛK^(-)*** observed structure is consistent with being due to a.cha.m.nium.penta.ua.k with stra.geness with a.significa.ce of 3.1r including system.tic uncerta.nties a.d lookelsewhere *** m.ss a.d width a.e determ.ned to be 4458:8±2:9t4:7-1:1 m.V a.d 17:3±6:5t8:0-5:7 m.V,respectively,where the quoted uncerta.nties a.e sta.istica. a.d *** structure is a.so consistent with being due to two *** a.dition,the na.row excited■^(-)sta.es,N■(1690)a.d■(1820),a.e seen for the first tim. in a.b^(-)deca.,a.d their m.sses a.d widths a.e m.a.ured with im.roved *** a.a.ysis is perform.d using pp collision da.a.corresponding to a.tota. integra.ed lum.nosity of 9 fb^(-1),collected with the LHCb experim.nt a. centre-of-m.ss energies of 7,8 a.d 13 TeV.

关键词： QCD Exotics Penta.ua.k Spectroscopy Qua.konium Pa.ticle a.d resona.ce production

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