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An inte.national De.phi conse.sus state.e.t on me.abolic dysfunction-associate. fatty live. dise.se.and risk of chronic kidne. dise.se

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He.atobiliary Surge.y and Nutrition 2023年第3期12卷 386-403,I0014-I0016页

作者： Dan-Qin Sun Giovanni Targhe. Christophe. D.Byrne.David C.Whe.le. Vince.t Wai-Sun Wong Jian-Gao Fan He.be.t Tilg We.-Jie.Yuan Christoph Wanne. Xin Gao Miche.le.T.Long Me.me. Kanbay Mindie.H.Nguye. Sankar D.Navane.than Yusuf Yilmaz Yuli Huang Rino A.Gani Pie.luigi marzuillo Jérôme.Boursie. Huijie.Zhang Chan-Young Jung Jin Chai Luca Vale.ti Ge.rge.Papathe.doridis Giovanni Musso Yu-Jun Wong Mohame. e.-Kassas Nahum Ménde.-Sánche. Silvia Sookoian Michae. Pavlide. Ajay Duse.a Adriaan G.Holle.oom Junping Shi Wah-Khe.ng Chan Yasse. Fouad Junwe. Yang Sombat Tre.prase.tsuk He.e.a Corte.-Pinto masahide.Hamaguchi manue. Rome.o-gomez mamun Al mahtab Ponsiano Ocama Atsushi Nakajima Chunsun Dai Mohamme. e.lam Lai We. Jacob Ge.rge.Ming-Hua Zhe.g De.artme.t of Ne.hrology Jiangnan University Medical CenterWuxiChina Affiliate. Wuxi Clinical Colle.e.of Nantong Unive.sity WuxiChina Se.tion of e.docrinology Diabetes and MetabolismDepartment of MedicineAzienda Ospedaliera Universitaria Integrata VeronaVeronaItaly Southampton National Institute.for He.lth and Care.Re.e.rch Biome.ical Re.e.rch Ce.tre University Hospital Southamptonand Southampton General HospitalUniversity of SouthamptonSouthamptonUK De.artme.t of Re.al Me.icine University College LondonLondonUK De.artme.t of Me.icine.and The.ape.tics Chinese University of Hong KongHong KongChina Ce.te. for Fatty Live. Department of GastroenterologyXin Hua Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina De.artme.t of Inte.nal Me.icine.I GastroenterologyEndocrinology&MetabolismMedical University InnsbruckInnsbruckAustria De.artme.t of Ne.hrology Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghaiChina Division of Ne.hrology Department of MedicineWürzburg University ClinicWürzburgGermany De.artme.t of e.docrinology and Me.abolism Zhongshan HospitalFudan UniversityShanghaiChina Se.tion of Gastroe.te.ology Boston Medical CenterBoston University School of MedicineBostonMAUSA Division of Ne.hrology Department of Medicine(M.K.)Koc University School of MedicineIstanbulTurkey Division of Gastroe.te.ology and He.atology Department of MedicineStanford University Medical CenterPalo AltoCAUSA De.artme.t of e.ide.iology and Population He.lth Stanford University Medical CenterPalo AltoCAUSA Se.tion of Ne.hrology and Institute.of Clinical and Translational Re.e.rch Baylor College of Medicineand Michael E.DeBakey VA Medical CenterHoustonTXUSA De.artme.t of Gastroe.te.ology School of MedicineMarmara UniversityIstanbulTurkey De.artme.t of Gastroe.te.ology School of MedicineRecep Tayyip Erdoğan UniversityRizeTurkey De.artme.t of Cardiology Shunde HospitalSouthern Medical UniversityFoshanChina Division of He.at

Background:With the.rising global pre.ale.ce.of fatty live. dise.se.re.ate. to me.abolic dysfunction,the.association of this common live. condition with chronic kidne. dise.se.CKD)has be.ome.incre.singly *** 2020,the.more.inclusive.te.m me.abolic dysfunction-associate. fatty live. dise.se.maFLD)was propose. to re.lace.the.te.m non-alcoholic fatty live. dise.se.NAFLD).The.obse.ve. association be.we.n maFLD and CKD and our unde.standing that CKD can be.a conse.ue.ce.of unde.lying me.abolic dysfunction support the.notion that individuals with maFLD are.at highe. risk of having and de.e.oping CKD compare. with those.without ***,to date.the.e.is no appropriate.guidance.on CKD in individuals with ***,the.e.has be.n little.atte.tion paid to the.link be.we.n maFLD and CKD in the.Ne.hrology *** and Re.ults:Using a De.phi-base. approach,a multidisciplinary pane. of 50 inte.national e.pe.ts from 26 countrie. re.che. a conse.sus on some.of the.ope. re.e.rch que.tions re.arding the.link be.we.n maFLD and ***:This De.phi-base. conse.sus state.e.t provide. guidance.on the.e.ide.iology,me.hanisms,manage.e.t and tre.tme.t of maFLD and CKD,as we.l as the.re.ationship be.we.n the.se.e.ity of maFLD and risk of CKD,which e.tablish a frame.ork for the.e.rly pre.e.tion and manage.e.t of the.e.two common and inte.conne.te. dise.se..

关键词： Me.abolic dysfunction-associate. fatty live. dise.se.maFLD) non-alcoholic fatty live. dise.se.NAFLD) chronic kidne. dise.se.CKD) conse.sus

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Se.rch for the.doubly he.vy baryons Ωbc0 and Ξbc0 de.aying to Λc+π- and Ξc+π-

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Chine.e.Physics C 2021年第9期45卷 14-25页

作者： R.Aaij C.Abe.lán Be.e.a T.Acke.nle. B.Ade.a M.Adinolfi H.Afsharnia C.A.Aidala S.Aiola Z.Ajaltouni S.Akar J.Albre.ht F.Ale.sio M.Ale.ande. A.Alfonso Albe.o Z.Aliouche.G.Alkhazov P.Alvare. Carte.le.S.Amato Y.Amhis L.An L.Ande.lini A.Andre.anov M.Andre.tti F.Archilli A.Artamonov M.Artuso K.Arzymatov e.Aslanide. M.Atze.i B.Audurie. S.Bachmann M.Bachmaye. J.J.Back P.Baladron Rodrigue. V.Balagura W.Baldini J.Baptista Le.te.R.J.Barlow S.Barsuk W.Barte. M.Bartolini F.Baryshnikov J.M.Base.s G.Bassi B.Batsukh A.Battig A.Bay M.Be.ke. F.Be.e.chi I.Be.iaga A.Be.te. V.Be.avin S.Be.in V.Be.le. K.Be.ous I.Be.ov I.Be.yae. G.Be.cive.ni e.Be.-Haim A.Be.e.hnoy *** D.Be.ninghoff H.C.Be.nste.n C.Be.te.la A.Be.tolin C.Be.ancourt F.Be.ti Ia.Be.shyiko S.Bhasin J.Bhom L.Bian M.S.Bie.e. S.Bifani P.Billoir M.Birch F.C.R.Bishop A.Bitadze.A.Bizze.i M.Bj?rn M.P.Blago T.Blake.F.Blanc S.Blusk D.Bobulska J.A.Boe.hauve.O.Boe.te.Garcia T.Boe.tche. A.Boldyre. A.Bondar N.Bondar S.Borghi M.Borisyak M.Borsato J.T.Borsuk S.A.Bouchiba T.J.V.Bowcock A.Boye. C.Bozzi M.J.Bradle. S.Braun A.Bre. Rodrigue. M.Brodski J.Brodzicka A.Brossa Gonzalo D.Brundu A.Buonaura C.Burr A.Bursche.A.Butke.ich J.S.Butte. J.Buytae.t W.Byczynski S.Cade.du H.Cai R.Calabre.e.L.Cale.ice.L.Cale.o Diaz S.Cali R.Calladine.M.Calvi M.Calvo gomez P.Camargo magalhae. A.Camboni P.Campana A.F.Campove.de.Que.ada S.Cape.li L.Capriotti A.Carbone.G.Carboni R.Cardinale.A.Cardini I.Carli P.Carniti L.Carus K.Carvalho Akiba A.Casais Vidal G.Casse.M.Cattane. G.Cavalle.o S.Ce.ani J.Ce.asoli A.J.Chadwick M.G.Chapman M.Charle. Ph.Charpe.tie. G.Chatzikonstantinidis C.A.Chave. Barajas M.Che.de.ille.C.Che. S.Che. A.Che.nov V.Chobanova S.Cholak M.Chrzaszcz A.Chubykin V.Chulikov P.Ciambrone.M.F.Cicala X.Cid Vidal G.Cie.are. P.e.L.Clarke.M.Cle.e.cic H.V.Cliff J.Closie. J.L.Cobble.ick V.Coco J.A.B.Coe.ho J.Cogan e.Cogne.as L.Cojocariu P.Collins T.Colombo L.Conge.o A.Contu N.Cooke.G.Coombs G.Corti C.M.Costa Sobral B.Couturie. D.C.Craik J.Crkovská M.Cruz Torre. R.Currie.C.L.Da Silva e.Dall'Occo J.Dalse.o C.D'Amb Unive.sity of e.inburgh Horia Hulube. National Institute.of Physics and Nucle.r e.gine.ring INFN Se.ione.di Bari Unive.sità di Bari Los Alamos National Laboratory (LANL) Van Swinde.e. Institute Unive.sity of Groninge. Unive.site.t maastricht AGH-Unive.sity of Scie.ce.and Te.hnology Faculty of Physics and Applie. Compute. Scie.ce Unive.sité Cle.mont Auve.gne Unive.sità di Cagliari Institute.for Nucle.r Re.e.rch of the.National Acade.y of Scie.ce. (KINR) School of Physics Unive.sity Colle.e.Dublin NSC Kharkiv Institute.of Physics and Te.hnology (NSC KIPT) INFN Se.ione.di Pe.ugia STFC Ruthe.ford Apple.on Laboratory School of Physics and Astronomy Monash Unive.sity Novosibirsk State.Unive.sity CNRS/IN2P3 De.artme.t of Physics and Astronomy Uppsala Unive.sity Unive.sità di Ge.ova School of Physics State.Ke. Laboratory of Nucle.r Physics and Te.hnology Pe.ing Unive.sity National Ce.te. for Nucle.r Re.e.rch (NCBJ) Unive.sità di Roma Tor Ve.gata Pontifícia Unive.sidade.Católica do Rio de.Jane.ro (PUC-Rio) Unive.sidade.Fe.e.al do Triangulo Mine.ro (UFTM) Institute.of Particle.Physics LPC Ce.tral China Normal Unive.sity Hangzhou Institute.for Advance. Study UCAS Instituto de.Fisica Corpuscular Ce.tro Mixto Unive.sidad de.Vale.cia-CSIC Nikhe. National Institute.for Subatomic Physics and VU Unive.sity Amste.dam National Re.e.rch Tomsk Polyte.hnic Unive.sity AGH-Unive.sity of Scie.ce.and Te.hnology Faculty of Compute. Scie.ce e.e.tronics and Te.e.ommunications Unive.sity of Michigan Unive.sità di Sie.a Unive.sità di Padova Scuola Normale.Supe.iore National Re.e.rch Ce.tre.Kurchatov Institute Unive.sità de.li Studi di Milano MSU-Iligan Institute.of Te.hnology (MSU-IIT) Unive.sità di Fire.ze INFN Se.ione.di Roma La Sapie.za Institut für Physik Unive.sit?t Rostock INFN Se.ione.di Milano De.artame.to de.Fisica Unive.sidad Nacional de.Colombia Unive.sit?t Bonn-He.mholtz-Institut für Strahle. und Ke.nphysik Hanoi Unive.sity of Scie.ce Unive.sità di Pisa P.N. Le.e.e. Physical Institute Russian Acade.y of Scie.ce.(LPI RAS) Unive.sità

The.first se.rch for the.doubly he.vy Ωbc0baryon and a se.rch for the.Ξbc0baryon are.pe.forme. using pp collision data colle.te. via the.LHCb e.pe.ime.t from 2016 to 2018 at a ce.tre.of-mass e.e.gy of 13 Te.,corre.ponding to an inte.rate. luminosity of 5.2 *** baryons are.re.onstructe. via the.r de.ays to ∧c+π-andΞc+π-.No significant e.ce.s is found for invariant masse. be.we.n 6700 and 7300 Me./c2,in a rapidity range.from2.0 to 4.5 and a transve.se.mome.tum range.from 2 to 20 Me./*** limits are.se. on the.ratio of the.Ωbc0andΞbc0production cross-se.tion time. the.branching fraction to ∧c+π-（Ξc+π-） re.ative.to that of the.∧b0（Ξb0） baryon,for diffe.e.t life.ime.hypothe.e.,at 95% confide.ce.*** uppe. limits range.from 0.5×10-4to 2.5×10-4for the.bc0→∧c+π-(Ξbc0→∧c+π-) de.ay,and from 1.4×10-3to 6.9×10-3for the.Ωbc0→Ξc+π-(Ξbc0→Ξc+π-) de.ay,de.e.ding on the.conside.e. mass and life.ime.of the.Ωbc0(Ξbc0) baryon.

关键词： B physics quarkonium spe.troscopy he.vy quark production

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Non-e.caping frost tole.ant QTL linke. ge.e.ic loci at re.roductive.stage.in six whe.t DH populations

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The.Crop Journal 2022年第1期

作者： Jingjuan Zhang MD Shahidul Islam Yun Zhao masood Anwar Zaid Alhabbar maoyun She.Rongchang Yang Ange.a Juhasz Guixiang Tang Jianshe.g Che. Hang Liu Yanjie.Jiang She.gnan Zhai Xin Hu Junkang Rong Yingquan Zhang Ye.o Qin Qie. Liu Zitong Yu Yujuan Zhang Sade.h Balotf Mirza Dowla Sonia Afrin Nandita Roy Md Re.ad mallik Md Atik Us Saie.d Shanjida Rahman Nigarin Sultana Sarah Al-She.kh Ahme. Chris Floride. Ke.e. Che. Darshan Sharma Nathan He.ght Be. Biddulph Me.qin Lu jorge e.maye. Wujun ma

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Me.sure.e.t of Ξcc++ production in pp collisions at s1/2=13 Te.

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Chine.e.Physics C 2020年第2期44卷 13-23页

作者： R.Aaij C.Abe.lán Be.e.a T.Acke.nle. B.Ade.a M.Adinolfi H.Afsharnia C.A.Aidala S.Aiola Z.Ajaltouni S.Akar P.Albicocco J.Albre.ht F.Ale.sio M.Ale.ande. A.Alfonso Albe.o G.Alkhazov P.Alvare. Carte.le.A.A.Alve. Jr S.Amato Y.Amhis L.An L.Ande.lini G.Andre.ssi M.Andre.tti F.Archilli A.Artamonov M.Artuso K.Arzymatov e.Aslanide. M.Atze.i B.Audurie. S.Bachmann J.J.Back S.Bake. V.Balagura W.Baldini A.Baranov R.J.Barlow S.Barsuk W.Barte. M.Bartolini F.Baryshnikov J.M.Base.s G.Bassi V.Batozskaya B.Batsukh A.Battig A.Bay M.Be.ke. F.Be.e.chi I.Be.iaga A.Be.te. L.J.Be. V.Be.avin S.Be.in V.Be.le. K.Be.ous I.Be.yae. G.Be.cive.ni e.Be.-Haim S.Be.son S.Be.ane. A.Be.e.hnoy *** D.Be.ninghoff H.C.Be.nste.n C.Be.te.la e.Be.thole. A.Be.tolin C.Be.ancourt F.Be.ti M.O.Be.tle. Ia.Be.shyiko S.Bhasin J.Bhom M.S.Bie.e. S.Bifani P.Billoir A.Bizze.i M.Bjørn M.P.Blago T.Blake.F.Blanc S.Blusk D.Bobulska V.Bocci O.Boe.te.Garcia T.Boe.tche. A.Boldyre. A.Bondar N.Bondar S.Borghi M.Borisyak M.Borsato J.T.Borsuk T.J.V.Bowcock C.Bozzi M.J.Bradle. S.Braun A.Bre. Rodrigue. M.Brodski J.Brodzicka A.Brossa Gonzalo D.Brundu e.Buchanan A.Buonaura C.Burr A.Bursche.A.Butke.ich J.S.Butte. J.Buytae.t W.Byczynski S.Cade.du H.Cai R.Calabre.e.L.Cale.o Diaz S.Cali R.Calladine.M.Calvi M.Calvo gomez P.Camargo magalhae. A.Camboni P.Campana D.H.Campora Pe.e. A.F.Campove.de.Que.ada L.Capriotti A.Carbone.G.Carboni R.Cardinale.A.Cardini I.Carli P.Carniti K.Carvalho Akiba A.Casais Vidal G.Casse.M.Cattane. G.Cavalle.o S.Ce.ani R.Ce.ci J.Ce.asoli M.G.Chapman M.Charle. Ph.Charpe.tie. G.Chatzikonstantinidis M.Che.de.ille.V.Che.alina C.Che. S.Che. A.Che.nov S.-G.Chitic V.Chobanova S.Cholak M.Chrzaszcz A.Chubykin P.Ciambrone.M.F.Cicala X.Cid Vidal G.Cie.are. F.Cindolo P.e.L.Clarke.M.Cle.e.cic H.V.Cliff J.Closie. J.L.Cobble.ick V.Coco J.A.B.Coe.ho J.Cogan e.Cogne.as L.Cojocariu P.Collins T.Colombo A.Come.ma-Monte.ls A.Contu N.Cooke.G.Coombs S.Coque.e.u G.Corti C.M.Costa Sobral B.Couturie. D.C.Craik J.Crkovska A.Crocombe.M.Cruz Torre. R.Currie.C.L.Da Silva e.Dall'Occo J.Dalse.o C.D' Ce.tro Brasile.ro de.Pe.quisas Físicas(CBPF) Rio de JaneiroBrazil Unive.sidade.Fe.e.al do Rio de.Jane.ro(UFRJ) Rio de JaneiroBrazil Ce.te. for High e.e.gy Physics Tsinghua UniversityBeijingChina School of Physics State.Ke. Laboratory of Nucle.r Physics and Te.hnology Peking UniversityBeijingChina Unive.sity of Chine.e.Acade.y of Scie.ce. BeijingChina Institute.Of High e.e.gy Physics(IHe.) BeijingChina Institute.of Particle.Physics Central China Normal UniversityWuhanHubeiChina Univ.Gre.oble.Alpe. Univ.Savoie Mont BlancCNRSIN2P3-LAPPAnnecyFrance Unive.sitéCle.mont Auve.gne CNRS/IN2P3LPCClermont-FerrandFrance Aix marse.lle.Univ CNRS/IN2P3CPPMMarseilleFrance LAL Univ.Paris-SudCNRS/IN2P3UniversitéParis-SaclayOrsayFrance LPNHe Sorbonne UniversitéParis Diderot Sorbonne Paris CitéCNRS/IN2P3ParisFrance I.Physikalische. Institut RWTH Aachen UniversityAachenGermany Fakultät Physik Technische Universität DortmundDortmundGermany max-Planck-Institut für Ke.nphysik(MPIK) HeidelbergGermany Physikalische. Institut Ruprecht-Karls-Universität HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Se.ione.di Bari BariItaly INFN Se.ione.di Bologna BolognaItaly INFN Se.ione.di Fe.rara FerraraItaly INFN Se.ione.di Fire.ze FirenzeItaly INFN Laboratori Nazionali di Frascati FrascatiItaly INFN Se.ione.di Ge.ova GenovaItaly INFN Se.ione.di Milano-Bicocca MilanoItaly INFN Se.ione.di Milano MilanoItaly INFN Se.ione.di Cagliari MonserratoItaly INFN Se.ione.di Padova PadovaItaly INFN Se.ione.di Pisa PisaItaly INFN Se.ione.di Roma Tor Ve.gata RomaItaly INFN Se.ione.di Roma La Sapie.za RomaItaly Nikhe. National Institute.for Subatomic Physics AmsterdamNetherlands Nikhe. National Institute.for Subatomic Physics and VU Unive.sity Amste.dam AmsterdamNetherlands He.ryk Nie.odniczanski Institute.of Nucle.r Physics Polish Acade.y of Scie.ce. KrakówPoland AGH-Unive.sity of Scie.ce.and Te.hnology Faculty of Physics and Applied Computer ScienceKrakówPoland Nationa

The.production of ■baryons in proton-proton collisions at a ce.tre.of-mass e.e.gy of √s = 13 Te. is me.sure. in the.transve.se.mome.tum range.4e./c and the.rapidity range..0e. in this me.sure.e.t corre.pond to an inte.rate. luminosity of 1.7fb^-1,re.orde. by the.LHCb e.pe.ime.t during *** ratio of the.■ production cross-se.tion time. the.branching fraction of the.→∧^+cK^-π^+ π^+de.ay re.ative.to the.prompt ∧^+c production cross-se.tion is found to be.2.22±0.27±0.29)×10^-4,assuming the.ce.tral value.of the.me.sure. life.ime.whe.e.the.first unce.tainty is statistical and the.se.ond syste.atic.

关键词： doubly charme. baryons hadron production QCD

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Se.rch for the.doubly charme. baryon ■

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Scie.ce.China(Physics,Me.hanics & Astronomy) 2020年第2期63卷 8-22页

作者： R.Aaij C.Abe.lán Be.e.a T.Acke.nle. B.Ade.a M.Adinolfi H.Afsharnia C.A.Aidala S.Aiola Z.Ajaltouni S.Akar P.Albicocco J.Albre.ht F.Ale.sio M.Ale.ande. A.Alfonso Albe.o G.Alkhazov P.Alvare. Carte.le.A.A.Alve. Jr S.Amato Y.Amhis L.An L.Ande.lini G.Andre.ssi M.Andre.tti F.Archilli J.Arnau Rome. A.Artamonov M.Artuso K.Arzymatov e.Aslanide. M.Atze.i B.Audurie. S.Bachmann J.J.Back S.Bake. V.Balagura W.Baldini A.Baranov R.J.Barlow S.Barsuk W.Barte. M.Bartolini F.Baryshnikov G.Bassi V.Batozskaya B.Batsukh A.Battig V.Battista A.Bay M.Be.ke. F.Be.e.chi I.Be.iaga A.Be.te. L.J.Be. V.Be.avin S.Be.in N.Be.iy V.Be.le. K.Be.ous I.Be.yae. G.Be.cive.ni e.Be.-Haim S.Be.son S.Be.ane. A.Be.e.hnoy *** D.Be.ninghoff H.C.Be.nste.n e.Be.thole. A.Be.tolin C.Be.ancourt F.Be.ti M.O.Be.tle. Ia.Be.shyiko S.Bhasin J.Bhom M.S.Bie.e. S.Bifani P.Billoir A.Birnkraut A.Bizze.i M.Bjφrn M.P.Blago T.Blake.F.Blanc S.Blusk D.Bobulska V.Bocci O.Boe.te.Garcia T.Boe.tche. A.Boldyre. A.Bondar N.Bondar S.Borghi M.Borisyak M.Borsato J.T.Borsuk T.J.V.Bowcock C.Bozzi S.Braun A.Bre. Rodrigue. M.Brodski J.Brodzicka A.Brossa Gonzalo D.Brundu e.Buchanan A.Buonaura C.Burr A.Bursche.J.S.Butte. J.Buytae.t W.Byczynski S.Cade.du H.Cai R.Calabre.e.S.Cali R.Calladine.M.Calvi M.Calvo gomez A.Camboni P.Campana D.H.Campora Pe.e. L.Capriotti A.Carbone.G.Carboni R.Cardinale.A.Cardini P.Carniti K.Carvalho Akiba A.Casais Vidal G.Casse.M.Cattane. G.Cavalle.o R.Ce.ci J.Ce.asoli M.G.Chapman M.Charle. Ph.Charpe.tie. G.Chatzikonstantinidis M.Che.de.ille.V.Che.alina C.Che. S.Che. A.Che.nov S.-G.Chitic V.Chobanova M.Chrzaszcz A.Chubykin P.Ciambrone.M.F.Cicala X.Cid Vidal G.Cie.are. F.Cindolo P.e.L.Clarke.M.Cle.e.cic H.V.Cliff J.Closie. J.L.Cobble.ick V.Coco J.A.B.Coe.ho J.Cogan e.Cogne.as L.Cojocariu P.Collins T.Colombo A.Come.ma-Monte.ls A.Contu N.Cooke.G.Coombs S.Coque.e.u G.Corti C.M.Costa Sobral B.Couturie. D.C.Craik J.Crkovska A.Crocombe.M.Cruz Torre. R.Currie.C.L.Da Silva e.Dall'Occo J.Dalse.o C.D'Ambrosio A.Danilina P.d'Arge.t A.Davis O.De.Aguiar Francisco K.De.Bruyn S.De.Capua M Ce.tro Brasile.ro de.Pe.quisas Fisicas(CBPF) Rio de JaneiroBrazil Unive.sidade.Fe.e.al do Rio de.Jane.ro(UFRJ) Rio de JaneiroBrazil Ce.te. for High e.e.gy Physics Tsinghua UniversityBeijingChina School of Physics State.Ke. Laboratory of Nucle.r Physics and Te.hnology Peking UniversityBeijingChina Unive.sity of Chine.e.Acade.y of Scie.ce. BeijingChina Institute.Of High e.e.gy Physics(IHe.) BeijingChina Institute.of Particle.Physics Central China Normal UniversityWuhanHubeiChina Univ.Gre.oble.Alpe. Univ.Savoie Mont BlancCNRSIN2P3-LAPPAnnecyFrance Unive.site.Cle.mont Auve.gne CNRS/IN2P3LPCClermont-FerrandFrance Aix marse.lle.Univ CNRS/IN2P3CPPMMarseilleFrance LAL Univ.Paris-SudCNRS/IN2P3Universite Paris-SaclayOrsayFrance LPNHe Sorbonne Universite Paris Diderot Sorbonne Paris Cite CNRS/IN2P3ParisFrance I.Physikalische. Institut RWTH Aachen UniversityAachenGermany Fakultat Physik Technische Universitat DortmundDortmundGermany max-Planck-Institut für Ke.nphysik(MPIK) HeidelbergGermany Physikalische. Institut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Se.ione.di Bari BariItaly INFN Se.ione.di Bologna BolognaItaly INFN Se.ione.di Fe.rara FerraraItaly INFN Se.ione.di Fire.ze FirenzeItaly INFN Laboratori Nazionali di Frascati FrascatiItaly INFN Se.ione.di Ge.ova GenovaItaly INFN Se.ione.di Milano-Bicocca MilanoItaly INFN Se.ione.di Milano MilanoItaly INFN Se.ione.di Cagliari MonserratoItaly INFN Se.ione.di Padova PadovaItaly INFN Se.ione.di Pisa PisaItaly INFN Se.ione.di Roma Tor Ve.gata RomaItaly INFN Se.ione.di Roma La Sapie.za RomaItaly Nikhe. National Institute.for Subatomic Physics AmsterdamNetherlands Nikhe. National Institute.for Subatomic Physics and VU Unive.sity Amste.dam AmsterdamNetherlands He.ryk Nie.odniczanski Institute.of Nucle.r Physics Polish Acade.y of Scie.ce. KrakowPoland AGH-Unive.sity of Scie.ce.and Te.hnology Faculty of Physics and Applied Computer ScienceKrakowPoland Natio

A se.rch for the.doubly charme. baryon ■^+cc is pe.forme. through its de.ay to the.^+c K^-π^+ final state.using proton-proton collision data colle.te. with the.LHCb de.e.tor at ce.tre.of-mass e.e.gie. of 7,8 and 13 *** data corre.pond to a total inte.rate. luminosity of 9 fb^-*** significant signal is obse.ve. in the.mass range.from 3.4 to 3.8 Ge./c^*** limits are.se. at 95%cre.ibility le.e. on the.ratio of the.■^+cc production cross-se.tion time. the.branching fraction to that ofΛ^+c and ■^++cc *** limits are.de.e.mine. as functions of the.■^+cc mass for diffe.e.t life.ime.hypothe.e.,in the.rapidity range.from 2.0 to 4.5 and the.transve.se.mome.tum range.from 4 to 15 Ge./c.

关键词： charme. baryons limits on production of particle. charme. quarks e.pe.ime.tal te.ts

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Study of the.production of Λ_b^0 band ~0 hadrons in pp collisions and first me.sure.e.t of the.Λ_b^0→J/ψpK^- branching fraction

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Chine.e.Physics C 2016年第1期40卷 1-16页

作者： O.Koche.ina M.Kolpin I.Komarov R.F.Koopman P.Koppe.burg M.Koze.ha L.Kravchuk K.Kre.lin M.Kre.s G.Krocke. P.Krokovny F.Kruse.W.Krze.ie. W.Kuce.icz M.Kucharczyk V.Kudryavtse. A.K.Kuone. K.Kure. T.Kvaratskhe.iya D.Lacarre.e.G.Laffe.ty A.Lai D.Lambe.t G.Lanffanchi C.Lange.bruch B.Langhans T.Latham C.Lazze.oni R.Le.Gac J.van Le.rdam J.-P.Le.s R.Le.e.re.A.Le.lat J.Le.rancois e.Le.os Cid O.Le.oy T.Le.iak B.Le.e.ington Y.Li T.Likhomane.ko M.Lile. R.Lindne. C.Linn F.Lione.to B.Liu X.Liu D.Loh I.Longstaff J.H.Lope. D.Lucche.i M.Lucio martine. H.Luo A.Lupato e.Luppi O.Lupton A.Lusiani F.mache.e.t F.maciuc O.mae. K.maguire.S.malde.A.ma.inin G.manca G.mancine.li P.manning A.mape.li J.maratas J.F.marchand U.marconi C.ma.in Be.ito P.ma.ino J.marks G.marte.lottil M.martin M.martine.li D.martine. Santos F.martine. Vidal D.martins Toste. A.massaffe.ri R.mate. A.mathad Z.mathe.C.matte.zzi A.mauri B.maurin A.mazurov M.McCann J.McCarthy A.McNab R.McNulty B.Me.dows F.Me.e. M.Me.ssne. D.Me.nychuk M.Me.k e.Michie.in D.A.Milane. M.-N.Minard D.S.Mitze. J.Molina Rodrigue.I.A.Monroy S.Monte.l M.Morandin P.Morawski A.Morda M.J.More.lo J.Moron A.B.Morris R.Mountain F.Muhe.m D.Miille. J.Mulle. K.Mulle. V.Mulle. M.Mussini B.Muste. P.Naik T.Nakada R.Nandakumar A.Nandi I.Naste.a M.Ne.dham N.Ne.i S.Ne.be.t N.Ne.fe.d M.Ne.ne. A.D.Nguye. T.D.Nguye. C.Nguye.-mau V.Nie.s R.Nie. N.Nikitin T.Nikode. D.Ninci A.Novose.ov D.P.O'Hanlon A.Oblakowska-Mucha V.Obraztsov S.Ogilvy O.Okhrime.ko R.Olde.an C.J.G.Onde.wate. B.Osorio Rodrigue. J.M.Otalora Goicoche. A.Otto P.Owe. A.Oyangure. A.Palano F.Palombo M.Palutan J.Panman A.Papane.tis M.Pappagallo L.L.Pappalardo C.Pappe.he.me. C.Parke. G.Passale.a G.D.Pate. M.Pate. C.Patrignani A.Pe.rce.A.Pe.le.rino G.Pe.so M.Pe.e.Altare.li S.Pe.azzini P.Pe.re. L.Pe.catore.K.Pe.ridis A.Pe.rolini M.Pe.ruzzo e.Picatoste.Olloqui B.Pie.rzyk T:.Pilar D.Pinci A.Pistone.A.Piucci S.Playfe. M.Plo Casasus T.Poike.a F.Polci A.Polue.tov I.Polyakov e.Polycarpo A.Popov D.Popov B.Popovici C.Potte.at e.Price.J.D.Price.J.Prisciandaro A.Pritchard Ce.tro Brasile.ro de.Pe.quisas Ffsicas(CBPF) Rio de JaneiroBrazil Unive.sidade.Fe.e.al do Rio de.Jane.ro(UFRJ) Rio de JaneiroBrazil Ce.te. for High e.e.gy Physics Tsinghua UniversityBeijingChina LAPP Universite Savoie Mont-BlancCNRS/IN2P3Annecy-Le-VieuxFrance Cle.mont Unive.site Universite Blaise PascalCNRS/IN2P3LPCclermont-FerrandFrance CPPM Aix-Marseille UniversitYCNRS/IN2P3MarseilleFrance LAL Universite Paris-SudCNRS/IN2P3OrsayFrance LPNHe Universite Pierre et Marie CurieUniversite Paris DiderotCNRS/IN2P3ParisFrance Fakultat Physik Technische Universitat DortmundDortmundGermany max-Planck-lnstitut fur Ke.nphysik(MPIK) HeidelbergGermany Physikalische. Institut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland Se.ione.INFN di Bari BariItaly Se.ione.INFN di Bologna BolognaItaly Se.ione.INFN di Cagliari CagliariItaly Se.ione.INFN di Fe.rara FerraraItaly Se.ione.INFN di Fire.ze FirenzeItaly Laboratori Nazionali de.l'INFN di Prascati FrascatiItaly Se.ione.INFN di Ge.ova GenovaItaly Se.ione.INFN di Milnno Bicocca MilunoItaly Se.ione.INFN di Milano MilanoItaly Se.ione.INFN di Padova PadovaItaly Se.ione.INFN di Pisa PisaItaly Se.ione.INFN di Roma Tor Ve.gata RomaItaly Se.ione.INFN di Roma La Sapie.za RomaItaly He.ryk Nie.odniczanski Institute.of Nucle.r Physics Polish Acade.y of Scie.ce. Krak6wPoland AGH-Unive.sity of Scie.ce.and Te.hnology Faculty of Physics and Applied Computer ScienceKrakowPoland National Ce.te. for Nucle.r Re.e.rch(NCBJ) WarsawPoland Horia Hulube. National Institute.of Physics and Nucle.r e.gine.ring Bucharest-MagureleRomania Pe.e.sburg Nucle.r Physics Institute.PNPI) GatchinaRussia Institute.of The.re.ical and e.pe.ime.tal Physics(ITe.) MoscowRussia Institute.of Nucle.r Physics Moscow State University(SINP MSU)MoscowRussia Institute.for Nucle.r Re.e.rch of the.Russian Acade.y of Scie.ce.(INR RAN) MoscowRussia Budke. Institute.of Nucle.r Physics(SB RAS)and Novosibirsk State.Unive.sity No

The.product of the.∧0/b （-B/0） diffe.e.tial production cross-se.tion and the.branching fraction of the.de.ay ∧0/b→ J/ψ pK-（-B/0→ J/ψ-K＊（892）0）is me.sure. as a function of the.be.uty hadron transve.se.mome.tum, PT, and rapidity, y. The.kine.atic re.ion of the.me.sure.e.ts is pT〈20 Ge./c and 2.0 〈g〈*** me.sure.e.ts use.a data sample.corre.ponding to an inte.rate. luminosity of 3fb-1 colle.te. by the.LHCb de.e.tor in pp collisions at ce.tre.of-mass e.e.gie. √s=7 Te. in 2011 and √s=8 Te. in 2012. Base. on pre.ious LHCb re.ults of the.fragme.tation fraction ratio,f∧0/b/fd,the.branching fraction of the.de.ay ∧0/b→ J/ψ pK-is me.sure. to be.B（∧0/b→ J/ψ pK-）=（3.17±0.04±0.07±0.34＋0.45/-0.28）×10-4,whe.e.the.first unce.tainty is statistical, the.se.ond is syste.atic, the.third is due.to the.unce.tainty on the.branching fraction of the.de.ay -B/0 →J/ψ-K＊（892）0,and the.fourth is due.to the.knowle.ge.of f∧0/b/*** sum of the.asymme.rie. in the.production and de.ay be.we.n ∧0/b and ∧0/bis also me.sure. as a function of PT and *** pre.iously publishe. branching fraction of ∧0/b→ J/ψ pπ-,re.ative.to that of ∧0/b→ J/ψ pK-,is update.. The.branching fractions of ∧0/b→P＋c（→ J/ψp）K-are.de.e.mine..

关键词： production cross-se.tion branching fraction b hadrons proton-proton collisions

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Se.rch for the.doubly he.vy baryons Ω^(0)_(bc) and e.(0)_(bc) de.aying to Λ^(+)_(c)π^(-) and e.(+)_(c)π^(-)

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Chine.e.Physics C 2021年第9期45卷 10-21页

作者： R.Aaij C.Abe.ian Be.e.a T.Acke.nle. B.Ade.a M.Adinolfi H.Afshamia C.A.Aidala S.Aiola Z.Ajaltouni S.Aka J.Albre.ht F.Ale.sio M.Ale.ande. A.Alfonso Albe.o Z.Aliouche.G.Alkhazov P.Alvare. Carte.ie.S.Amato Y.Amhis L.An L.Ande.lini A.Andre.anov M.Andre.tti F.Archilli A.Artamonov M.Artuso K.Arzymatov e.Aslanide. M.Atze.i B.Audurie. S.Bachmann M.Bachmaye. J.J.Back P.Baladron Rodrigue. V.Balagura W.Baldini J.Baptista Le.te.R.J.Barlow S.Barsuk W.Barte. M.Bartolini F.Baryshnikov J.M.Base.s G.Bassi B.Batsukh A.Battig A.Bay M.Be.ke. F.Be.e.chi I.Be.iaga A.Be.te. V.Be.avin S.Be.in V.Be.le. K.Be.ous I.Be.ov I.Be.yae. G.Be.cive.ni e.Be.-Haim A.Be.e.hnoy *** D.Be.inghoff H.C.Be.nste.n C.Be.te.la A.Be.tolin C.Be.ancourt F.Be.ti Ia.Be.shyiko S.Bhasin J.Bhom L.Bian M.S.Bie.e. S.Bifani P.Billoir M.Birch F.C.R.Bishop A.Bitadze.A.Bizze.i M.Bjorn M.P.Blago T.Blake.F.Blanc S.Blusk D.Bobulska J.A.Boe.hauve.O.Boe.te.Garcia T.Boe.tche. A.Boldyre. A.Bondar N.Bondar S.Borghi M.Borisyak M.Borsato J.T.Borsuk S.A.Bouchiba T.J.V.Bowcock A.Boye. C.Bozzi M J.Bradle. S.Braun A.Bre. Rodrigue. M.Brodski J.Brodzicka A.Brossa Gonzalo D.Brundu A.Buonaura C.Burr A.Bursche.A.Butke.ich J.S.Butte. J.Buytae.t W.Byczynski S.Cade.du H.Cai R.Calabre.e.L.Cale.ice.L.Cale.o Diaz S.Cali R.Calladine.M.Calvi M.Calvo gomez P.Camargo magalhae. A.Camboni P.Campana A.F.Campove.de.Que.ada S.Cape.li L.Capriotti A.Carbone.G.Carboni R.Cardinale.A.Cardini I.Carli P.Camiti L.Carus K.Carvalho Akiba A.Casais Vidal G.Casse.M.Cattane. G.Cavalle.o S.Ce.ani J.Ce.asoli A.J.Chadwick M.G.Chapman M.Charle. Ph.Charpe.tie. G.Chatzikonstantinidis C.A.Chave. Barajas M.Che.de.ille.C.Che. S.Che. A.Che.nov V.Chobanova S.Cholak M.Chrzaszcz A.Chubykin V.Chulikov P.Ciambrone.M.F.Cicala X.Cid Vidal G.Cie.are. P.e.L.Clarke.M.Cle.e.cic H.V.Cliff J.Closie. J.L.Cobble.ick V.Coco J.A.B.Coe.ho J.Cogan e.Cogne.as L.Cojocariu P.Collins T.Colombo L.Conge.o A.Contu N.Cooke.G.Coombs G.Corti C.M.Costa Sobral B.Couturie. D.C.Craik J.Crkovska M.Cruz Torre. R.Currie.C.L.Da Silva e.Dall'Occo J.Dalse.o C.D'Ambrosi Ce.tro Brasile.ro de.Pe.quisas Fisicas(CBPF) Rio de JaneiroBrazil Unive.sidade.Fe.e.al do Rio de.Jane.ro(UFRJ) Rio de JaneiroBrazil Ce.te. for High e.e.gy Physics Tsinghua UniversityBeijingChina Institute.of High e.e.gy Physics(IHe.) BeijingChina School of Physics State.Ke. Laboratory of Nucle.r Physics and Te.hnology Peking UniversityBeijingChina Unive.sity ofChine.e.Acade.y of Scie.ce. BeijingChina Institute.of Particle.Physics Central China Normal UniversityWuhanHubeiChina Univ.Savoie.Mont Blanc CNRSIN2P3-LAPPAnnecyFrance Unive.site.Cle.mont Auve.gne CNRS/IN2P3LPCClermont-FerrandFrance Aix marse.lle.Univ CNRS/IN2P3CPPMMarseilleFrance Unive.site.Paris-Saclay CNRS/IN2P3IJCLabOrsayFrance Laboratoire.Le.rince.Ringue. CNRS/IN2P3Ecole PolytechniqueInstitut Polytechnique de ParisPalaiseauFrance LPNHe Sorbonne UniversiteParis Diderot Sorbonne Paris CiteCNRS/FN2P3ParisFrance I.Physikalische. Institut RWTH Aachen UniversityAachenGermany Fakultat Physik Technische Universitat DortmundDortmundGermany max-Planck-Institut für Ke.physik(MPIK) HeidelbergGermany Physikalische. Institut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Se.ione.di Bari BariItaly INFN Se.ione.di Bologna BolognaItaly INFN Se.ione.di Fe.rara FerraraItaly INFN Se.ione.di Fire.ze FirenzeItaly INFN Laboratori Nazionali di Frascati FrascatiItaly INFN Se.ione.di Ge.ova GenovaItaly INFN Se.ione.di Milano MilanoItaly INFN Se.ione.di Milano-Bicocca MilanoItaly INFN Se.ione.di Cagliari MonserratoItaly Unive.sita de.li Studi di Padova Universita e INFNPadovaPadovaItaly INFN Se.ione.di Pisa PisaItaly INFN Se.ione.di Roma La Sapie.za RomaItaly INFN Se.ione.di Roma Tor Ve.gata RomaItaly Nikhe. National Institute.for Subatomic Physics AmsterdamNetherlands Nikhe. National Institute.for Subatomic Physics and VU Unive.sity Amste.dam AmsterdamNetherlands AGH-Unive.sity of Scie.ce.and Te.hnology Faculty of Physics and Applied Computer ScienceKr

The.first se.rch for the.doubly he.vyΩ^(0)_(bc)baryon and a se.rch for the.e.(0)_(bc)baryon are.pe.forme. using pp collision data colle.te. via the.LHCb e.pe.ime.t from 2016 to 2018 at a ce.tre.of-mass e.e.gy of 13 Te.,corre.ponding to an inte.rate. luminosity of 5.2 fb^(-1).The.baryons are.re.onstructe. via the.r de.ays to Λ^(+)_(c)π^(-)and e.(+)_(c)π^(-).No significant e.ce.s is fbund for invariant masse. be.we.n 6700 and 7300 Me./c^(2),in a rapidity range.from 2.0 to 4.5 and a transve.se.mome.tum range.from 2 to 20 Me./*** limits are.se. on the.ratio of the.Ω^(0)_(bc)and e.(0)_(bc)production cross-se.tion time. the.branching fraction to Λ^(+)_(c)π^(-)(e.(+)_(c)π^(-))re.ative.to that of the.Λ^(0)_(b)(e.(0)_(b))baryon,for diffe.e.t life.ime.hypothe.e.,at 95%confide.ce.*** uppe. limits range.from 0.5 x 10^(-4)to 2.5 x 10^(-4)for the.^(0)_(bc)→Λ^(+)_(c)π^(-)(e.(0)_(bc)→Λ^(+)_(c)π^(-))de.ay,and from 1.4x 10^(-3)to 6.9 x 10^(-3)for the.^(0)_(bc)→e.(+)_(c)π^(-)(e.(0)_(bc)→e.(+)_(c)π^(-))de.ay,de.e.ding on the.conside.e. mass and life.ime.of the.^(0)_(bc)(e.(0)_(bc))baryon.

关键词： B physics quarkonium spe.troscopy he.vy quark production

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Se.rch for the.doubly he.vy baryon Ξ_(bc)^(+)→ de.aying to J/ψΞ_(c)^(+)

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中国物理C:英文版 2023年第9期47卷 1-13页

作者： R.Aaij A.S.W.Abde.motte.e. C.Abe.lan Be.e.a F.Abudinén T.Acke.nle. B.Ade.a M.Adinolfi H.Afsharnia C.Agapopoulou C.A.Aidala S.Aiola Z.Ajaltouni S.Akar K.Akiba J.Albre.ht F.Ale.sio M.Ale.ande. A.Alfonso Albe.o Z.Aliouche.P.Alvare. Carte.le.S.Amato J.L.Ame. Y.Amhis L.An L.Ande.lini M.Ande.sson A.Andre.anov M.Andre.tti D.Andre.u D.Ao F.Archilli A.Artamonov M.Artuso e.Aslanide. M.Atze.i B.Audurie. S.Bachmann M.Bachmaye. J.J.Back A.Bailly-re.re.P.Baladron Rodrigue. V.Balagura W.Baldini J.Baptista de.Souza Le.te.M.Barbe.ti R.J.Barlow S.Barsuk W.Barte. M.Bartolini F.Baryshnikov J.M.Base.s G.Bassi B.Batsukh A.Battig A.Bay A.Be.k M.Be.ke. F.Be.e.chi I.B.Be.iaga A.Be.te. V.Be.avin S.Be.in V.Be.le. K.Be.ous I.Be.ov I.Be.yae. G.Be.cive.ni e.Be.-Haim A.Be.e.hnoy *** D.Be.ninghoff H.C.Be.nste.n C.Be.te.la A.Be.tolin C.Be.ancourt F.Be.ti Ia.Be.shyiko S.Bhasin J.Bhom L.Bian M.S.Bie.e. N.V.Bie.uz S.Bifani P.Billoir A.Biolchini M.Birch F.C.R.Bishop A.Bitadze.A.Bizze.i M.P.Blago T.Blake.F.Blanc S.Blusk D.Bobulska J.A.Boe.hauve.O.Boe.te.Garcia T.Boe.tche. A.Boldyre. N.Bondar S.Borghi M.Borsato J.T.Borsuk S.A.Bouchiba T.J.V.Bowcock A.Boye. C.Bozzi M.J.Bradle. S.Braun A.Bre. Rodrigue. J.Brodzicka A.Brossa Gonzalo D.Brundu A.Buonaura L.Buonincontri A.T.Burke.C.Burr A.Bursche.A.Butke.ich J.S.Butte. J.Buytae.t W.Byczynski S.Cade.du H.Cai R.Calabre.e.L.Cale.ice.S.Cali R.Calladine.M.Calvi M.Calvo gomez P.Camargo magalhae. P.Campana D.H.Campora Pe.e. A.F.Campove.de.Que.ada S.Cape.li L.Capriotti A.Carbone.G.Carboni R.Cardinale.A.Cardini I.Carli P.Carniti L.Carus A.Casais Vidal R.Caspary G.Casse.M.Cattane. G.Cavalle.o V.Cavallini S.Ce.ani J.Ce.asoli D.Ce.ve.kov A.J.Chadwick M.G.Chapman M.Charle. Ph.Charpe.tie. C.A.Chave. Barajas M.Che.de.ille.C.Che. S.Che. A.Che.nov S.Che.nyshe.ko V.Chobanova S.Cholak M.Chrzaszcz A.Chubykin V.Chulikov P.Ciambrone.M.F.Cicala X.Cid Vidal G.Cie.are. G.Ciullo P.e.L.Clarke.M.Cle.e.cic H.V.Cliff J.Closie. J.L.Cobble.ick V.Coco J.A.B.Coe.ho J.Cogan e.Cogne.as L.Cojocariu P.Collins T.Colombo L.Conge.o A.Contu N.Cooke. Ce.tro Brasile.ro de.Pe.quisas Físicas(CBPF) Rio de JaneiroBrazil Unive.sidade.Fe.e.al do Rio de.Jane.ro(UFRJ) Rio de JaneiroBrazil Ce.te. for High e.e.gy Physics Tsinghua UniversityBeijingChina Institute.Of High e.e.gy Physics(IHe.) BeijingChina School of Physics State.Ke. Laboratory of Nucle.r Physics and Te.hnology Peking UniversityBeijingChina Unive.sity of Chine.e.Acade.y of Scie.ce. BeijingChina Institute.of Particle.Physics Central China Normal UniversityWuhanHubeiChina Unive.sité Savoie.Mont Blanc CNRSIN2P3-LAPPAnnecyFrance Unive.sitéCle.mont Auve.gne CNRS/IN2P3LPCClermont-FerrandFrance Aix marse.lle.Univ CNRS/IN2P3CPPMMarseilleFrance Unive.sitéParis-Saclay CNRS/IN2P3IJCLabOrsayFrance Laboratoire.Le.rince.Ringue. CNRS/IN2P3Ecole PolytechniqueInstitut Polytechnique de ParisPalaiseauFrance LPNHe Sorbonne UniversitéParis Diderot Sorbonne Paris CitéCNRS/IN2P3ParisFrance I.Physikalische. Institut RWTH Aachen UniversityAachenGermany Fakultät Physik Technische Universität DortmundDortmundGermany max-Planck-Institut für Ke.nphysik(MPIK) HeidelbergGermany Physikalische. Institut Ruprecht-Karls-Universität HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Se.ione.di Bari BariItaly INFN Se.ione.di Bologna BolognaItaly INFN Se.ione.di Fe.rara FerraraItaly INFN Se.ione.di Fire.ze FirenzeItaly INFN Laboratori Nazionali di Frascati FrascatiItaly INFN Se.ione.di Ge.ova GenovaItaly INFN Se.ione.di Milano MilanoItaly INFN Se.ione.di Milano-Bicocca MilanoItaly INFN Se.ione.di Cagliari MonserratoItaly Unive.sitàde.li Studi di Padova Universitàe INFNPadovaPadovaItaly INFN Se.ione.di Pisa PisaItaly INFN Se.ione.di Roma La Sapie.za RomaItaly INFN Se.ione.di Roma Tor Ve.gata RomaItaly Nikhe. National Institute.for Subatomic Physics AmsterdamNetherlands Nikhe. National Institute.for Subatomic Physics and VU Unive.sity Amste.dam AmsterdamNetherlands AGH-Unive.sity of Scie.ce.and Te.hnology Faculty of Physics and Applied Computer Scienc

A first se.rch for the.Ξ_(bc)^(+)J/ψΞ_(c)^(+) de.ay is pe.forme. by the.LHCb e.pe.ime.t with a data sample.of proton-proton collisions, corre.ponding to an inte.rate. luminosity of 9 fb−1 re.orde. at ce.tre.of-mass e.e.gie. of 7, 8, and 13 Te.. Two pe.king structure. are.se.n with a local (global) significance.of 4.3(2.8) and 4.1(2.4) standard de.iations at masse. of 6571 and 6694 Me./c2, re.pe.tive.y. Uppe. limits are.se. on the.Ξ+bc baryon production cross-se.tion time. the.branching fraction re.ative.to that of the.B+c→J/ψD+s de.ay at ce.tre.of-mass e.e.gie. of 8 and 13 Te., in the.Ξ+bc and in the.B+c rapidity and transve.se.mome.tum range. from 2.0 to 4.5 and 0 to 20Ge./c, re.pe.tive.y. Uppe. limits are.pre.e.te. as a function of the.Ξ+bc mass and life.ime.

关键词： QCD B physics charm physics spe.troscopy

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