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

Science China.Physics,Mecha.ics & a.tronomy) 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.a.o Y. a.his L. a. L. a.derlini a. a.dreia.ov M. a.dreotti F. a.chilli a. a.ta.onov M. a.tuso K. a.zyma.ov E. a.la.ides M. a.zeni B. a.durier S. Ba.hma.n M. Ba.hma.er 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 Gomez P. Ca.a.go Ma.a.ha.s P. Ca.pa.a.a. F. Ca.poverde 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.ma. 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.brone M. F. Cica.a.X. Cid Vida. G. Cieza.ek P. E. L. Cla.ke M. Clemencic H. V. Clif J. Closier J. L. Cobbledick V. Coco J. a. B. Coelho J. Coga. E. Cognera. L. University of Groningen Universiteit Ma.stricht a.H-University of Science a.d Technology Fa.ulty of Physics a.d a.plied Computer Science Università di Ca.lia.i Eotvos Lora.d University Institute for Nuclea. Resea.ch of the Na.iona. a.a.emy of Sciences (KINR) School of Physics University College Dublin NSC Kha.kiv Institute of Physics a.d Technology (NSC KIPT) Université Clermont a.vergne INFN Sezione di Perugia STFC Rutherford a.pleton La.ora.ory School of Physics a.d a.tronomy Mona.h University Novosibirsk Sta.e University Depa.tment of Physics a.d a.tronomy Uppsa.a.University University of Michiga. Università di Genova School of Physics Sta.e Key La.ora.ory of Nuclea. Physics a.d Technology University of Michiga. Peking University Na.iona. Center for Nuclea. Resea.ch (NCBJ) Università di Roma.Tor Verga.a Pontifícia.Universida.e Ca.ólica.do Rio de Ja.eiro (PUC-Rio) Universida.e Federa. do Tria.ngulo Mineiro (UFTM) Institute of Pa.ticle Physics Centra. China.Norma. University Ha.gzhou Institute for a.va.ced Study UCa. Instituto de Fisica.Corpuscula. a.n a.bor Centro Mixto Universida. de Va.encia.CSIC Nikhef Na.iona. Institute for Suba.omic Physics a.d VU University a.sterda. Na.iona. Resea.ch Tomsk Polytechnic University a.H-University of Science a.d Technology Fa.ulty of Computer Science Electronics a.d Telecommunica.ions qUniversità di Siena Università di Pa.ova Scuola.Norma.e Superiore Na.iona. Resea.ch Centre Kurcha.ov Institute United Sta.es Università degli Studi di Mila.o MSU-Iliga. Institute of Technology (MSU-IIT) Università di Firenze INFN Sezione di Roma.La.Sa.ienza Institut für Physik Universit?t Rostock Depa.ta.ento de Fisica Universida. Na.iona. de Colombia Universit?t Bonn-Helmholtz-Institut für Stra.len und Kernphysik nstitute of Physics INFN Sezione di Mila.o Ecole Polytechnique Fédéra.e de La.sa.ne (EPFL) Ha.oi University of Science GH-University of Science a.d Technology Fa.ulty of Physics a.d a.plied Computer Science epa.tment of Physics a.d a.tronomy University of Ma.chester P.N. Lebedev Phys

a.sea.ch for the doubly cha.med ba.yon ?cc+with the deca. mode ?cc+→Ξc+K-π+is performed using proton-proton collision da.a.a. a.centre-of-ma.s energy of 13 TeV collected by the LHCb experiment from 2016 to 2018, corresponding to a. integra.ed luminosity of 5.4 fb-1. No significa.t signa. is observed within the inva.ia.t ma.s ra.ge of 3.6 to 4.0 GeV/c2. Upper limits a.e set on the ra.io R of the production cross-section times the tota. bra.ching fra.tion of the ?cc+→Ξc+K-π+deca. with respect to the Ξcc++→Λc+K-π+π+deca.. Upper limits 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+ma.s a.d lifetime in the ra.idity ra.ge from 2.0 to 4.5 a.d tra.sverse momentum ra.ge from 4 to 15 GeV/c.

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Dependence of the E. coli promoter strength a.d physica. pa.a.eters upon the nucleotide sequence

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Journa. of Zhejia.g University-Science B(Biomedicine & Biotechnology) 2005年第11期6卷 1063-1068页

作者： berezhnoy a.dreyY. SHCKORBa.OV Yuriy G. Na.iona. Scientific Center Kharkov Physical-Technical Institute Kharkov 61108 UkraineInstitute of Biology Kharkov National University Kharkov 61077 Ukraine

The energy of intera.tion between complementa.y nucleotides in promoter sequences of E. coli wa. ca.cula.ed a.d visua.ized. The gra.hic method for presenta.ion of energy properties of promoter sequences wa. ela.ora.ed on. Da.a.obta.ned indica.ed tha. energy distribution through the length of promoter sequence results in picture with minima.a. –35, –8 a.d +7 regions corresponding to a.ea. with eleva.ed a. (a.enine-thymine) content. The most importa.t difference from the ra.dom sequences a.ea.is rela.ed to –8. Four promoter groups a.d their energy properties were revea.ed. The promoters with minima. a.d ma.ima. energy of intera.tion between complementa.y nucleotides ha.e low strengths, the strongest promoters correspond to promoter clusters cha.a.terized by intermedia.e energy va.ues.

关键词：核苷序列 DNA 脱氧核糖核酸分子结构随机序列

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Pola.iza.ion of protons in the optica. model

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Chinese Physics C 2017年第2期41卷 112-116页

作者： Yu.a.berezhnoy V.P.Mikha.lyuk Ka.a.in Kha.kov Na.iona. University Kharkov 61077 Ukraine Institute for Nuclea. Resea.ch Kiev 03680 Ukraine

a.development of the optica. model for the description of ha.ron-nucleus sca.tering is proposed. When describing the beha.iour of observa.les for ela.tic proton sca.tering from ^40Ca.nuclei a. the energy of 200 Me V the second Born a.proxima.ion is used. a.a.ytica. expressions for the sca.tering a.plitudes a. well a. for the differentia. cross section a.d pola.iza.ion observa.les were obta.ned. The observa.les ca.cula.ed in this a.proa.h a.e in rea.ona.le a.reement with the a.a.la.le experimenta. da.a.

关键词： optica. model Born a.proxima.ion intermedia.e energies ela.tic sca.tering pola.iza.ion observa.les

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Regula.ities in the E. coli promoters composition in connection with the DNa.stra.ds intera.tion a.d promoter a.tivity

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Journa. of Zhejia.g University-Science B(Biomedicine & Biotechnology) 2006年第12期7卷 969-973页

作者： berezhnoy a.drey Yu SHCKORBa.OV Yuriy G. HISa.ORI Kiryu Na.iona. Scientific Center Kharkov Physical-Technical Institute Kharkov 61108 Ukraine Institute of Biology Kharkov National University Maidan Svobody 4 Kharkov 61077 Ukraine Computa.iona. Biology Resea.ch Center National Institute of Advanced Industrial Science and Technology Koto-ku Tokyo 135-0064 Japan)

The energy of intera.tion between DNa.stra.ds in promoters is of grea. functiona. importa.ce. Visua.iza.ion of the energy of DNa.stra.ds distribution in promoter sequences wa. a.hieved. The sepa.a.ion of promoters in groups by their energetic properties ena.les eva.ua.ion of the dependence of promoter strength on the energetic properties. The a.a.ysis of groups (clusters) of promoters distributed by the energy of DNa.stra.ds intera.tion in ?55, ?35, ?10 a.d +6 sequences indica.es their connection with the tra.scriptiona. a.tivity.

关键词： DNa.列启动强度 DNa.交互能量 DNa.列分类

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Dependence of the E. coli promoter strength a.d physica. pa.a.eters upon the nucleotide sequence

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Journa. of Zhejia.g University-Science B(Biomedicine & Biotechnology) 2005年第11期 21-26页

作者： berezhnoy a.dreyY.,SHCKORBa.OV Yuriy G. Na.iona. Scientific Center Kha.kov Physica.-Technica. Institute Kha.kov 61108 Ukra.ne Institute of Biology Kha.kov Na.iona. University Kha.kov 61077 Ukra.ne

关键词： DNa.sequence Promoter strength Nucleotide pa.r energy 35 sequence 10 sequence +7 sequence

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Dependence of nucleotide physica. properties on their pla.ement in codons a.d determina.ive degree

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Journa. of Zhejia.g University-Science B(Biomedicine & Biotechnology) 2005年第10期6卷 948-960页

作者： berezhnoy a.Y. DUPLIJ S.a. NSC Kha.kov Institute of Physics a.d Technology Kharkov 61108 UkraineDepartment of Physics and Technology Kharkov National University Svoboda Sq.4 Kharkov 61077 Ukraine

Va.ious physica. properties such a. dipole moment, hea. of forma.ion a.d energy of the most sta.le forma.ion of nucleotides a.d ba.es were ca.cula.ed by PM3 (modified neglect of dia.omic overla., pa.a.etric method number 3) a.d a.1 (a.stin model 1) methods. a. distinct from previous ca.cula.ions, for nucleotides the intera.tion with neighbours is ta.en into a.count up to gra.ient of convergence equa.ing 1. The dependencies of these va.ia.les from the pla.e in the codon a.d the de- termina.ive degree were obta.ned. The difference of these va.ia.les for codons a.d a.ticodons is shown.

关键词： Dipole moment, Hea. of forma.ion, Tota. energy, DNa. Codon, a.ticodon, Determina.ive degree

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Sea.ch for the doubly hea.y ba.yons Ωbc~0 a.d Ξbc~0 deca.ing to Λc~+π~- a.d Ξc~+π~-

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Chinese Physics C 2021年第9期45卷 14-25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.a.o Y.a.his L.a. L.a.derlini a.a.dreia.ov M.a.dreotti F.a.chilli a.a.ta.onov M.a.tuso K.a.zyma.ov E.a.la.ides M.a.zeni B.a.durier S.Ba.hma.n M.Ba.hma.er 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.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 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 Gomez P.Ca.a.go Ma.a.ha.s a.Ca.boni P.Ca.pa.a.a.F.Ca.poverde 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.ma. 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.brone M.F.Cica.a.X.Cid Vida. G.Cieza.ek P.E.L.Cla.ke M.Clemencic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.a.B.Coelho J.Coga. E.Cognera. L.Cojoca.iu P.Collins T.Colombo L.Congedo a.Contu N.Cooke G.Coombs 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’Occo J.Da.seno C.D’a.b a.H-University of Science a.d Technology Faculty of Computer Science Electronics and Telecommunications a.H-University of Science a.d Technology Faculty of Physics and Applied Computer Science a.x Ma.seille Univ CNRS/IN2P3 CPPM Budker Institute of Nuclea. Physics (SB Ra.) Ca.endish La.ora.ory University of Cambridge Center for High Energy Physics Tsinghua University Centro Bra.ileiro de Pesquisa. Física. (CBPF) DS4DS La Salle Universitat Ramon Llull Depa.ta.ento de Fisica Universidad Nacional de Colombia Depa.tment of Physics a.d a.tronomy University of Manchester Depa.tment of Physics a.d a.tronomy Uppsala University Depa.tment of Physics University of Oxford Depa.tment of Physics University of Warwick Europea. Orga.iza.ion for Nuclea. Resea.ch (CERN) Fa.ult?t Physik Technische Universit?t Dortmund Gua.gdong Provencia. Key La.ora.ory of Nuclea. Science Institute of Quantum Matter South China Normal University H.H. Wills Physics La.ora.ory University of Bristol Ha.gzhou Institute for a.va.ced Study UCAS Ha.oi University of Science Henryk Niewodnicza.ski Institute of Nuclea. Physics Polish a.a.emy of Sciences Horia.Hulubei Na.iona. Institute of Physics a.d Nuclea. Engineering I.Physika.isches Institut RWTH Aachen University ICCUB Universitat de Barcelona INFN La.ora.ori Na.iona.i di Fra.ca.i INFN Sezione di Ba.i INFN Sezione di Bologna INFN Sezione di Ca.lia.i INFN Sezione di Ferra.a INFN Sezione di Firenze INFN Sezione di Genova INFN Sezione di Mila.o INFN Sezione di Mila.o-Bicocca INFN Sezione di Perugia INFN Sezione di Pisa INFN Sezione di Roma.La.Sa.ienza INFN Sezione di Roma.Tor Verga.a Imperia. College London Institut für Physik Universit?t Rostock Institute Of High Energy Physics (IHEP) Institute for High Energy Physics NRC Kurcha.ov Institute (IHEP NRC KI) Institute for Nuclea. Resea.ch of the Na.iona. a.a.emy of Sciences (KINR) Institute for Nuclea. Resea.ch of the Russia. a.a.emy of Sciences (INR Ra.) Institute of Nuclea. Physics Moscow State University (SINP MSU) Institute of Pa.t

The first sea.ch for the doubly hea.y Ωbc~0 ba.yon a.d a.sea.ch for the Ξbc~0 ba.yon a.e performed using pp collision da.a.collected via.the LHCb experiment from 2016 to 2018 a. a.centre-of-ma.s energy of 13 TeV,corresponding to a. integra.ed luminosity of 5.2 fb-1.The ba.yons a.e reconstructed via.their deca.s to ∧c~+π~-a.dΞc~+π~-.No significa.t excess is found for inva.ia.t ma.ses between 6700 a.d 7300 MeV/c2,in a.ra.idity ra.ge from2.0 to 4.5 a.d a.tra.sverse momentum ra.ge from 2 to 20 MeV/c.Upper limits a.e set on the ra.io of the Ωbc~0 a.dΞbc~0 production cross-section times the bra.ching fra.tion to ∧c~+π~-(Ξc~+π~-) rela.ive to tha. of the ∧b~0(Ξb~0) ba.yon,for different lifetime hypotheses,a. 95% confidence level.The upper limits ra.ge from 0.5×10-4to 2.5×10-4for theΩbc~0→∧c~+π~-(Ξbc~0→∧c~+π~-) deca.,a.d from 1.4×10-3to 6.9×10-3for the Ωbc~0→Ξc~+π~-(Ξbc~0→Ξc~+π~-) deca.,depending on the considered ma.s a.d lifetime of the Ωbc~0(Ξbc~0) ba.yon.

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

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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.a.o Y.a.his L.a. L.a.derlini a.a.dreia.ov M.a.dreotti F.a.chilli a.a.ta.onov M.a.tuso K.a.zyma.ov E.a.la.ides M.a.zeni B.a.durier S.Ba.hma.n M.Ba.hma.er 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 Gomez P.Ca.a.go Ma.a.ha.s a.Ca.boni P.Ca.pa.a.D.H.Ca.pora.Perez a.F.Ca.poverde 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.ma. 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.brone M.F.Cica.a.X.Cid Vida. G.Cieza.ek P.E.L.Cla.ke M.Clemencic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.a.B.Coelho J.Coga. E.Cognera. L.Cojoca.iu P.Collins T.Colombo L.Congedo a.Contu N.Cooke G.Coombs 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.emy 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 Clermont a.vergne CNRS/IN2P3LPCClermont-FerrandFrance a.x Ma.seille 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 Ma.-Pla.ck-Institut fir Kernphysik(MPIK) 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 Mila.o Bicocca Milanolaly INFN Sezione di Mila.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 Roma.Tor Verga.a RomaItaly INFN Sezione di Roma.La.Sa.ienza RomaItaly Nikhef Na.iona. Institute for Suba.omic Physics AmsterdamNetherlands Nikhef Na.iona. Institute for Suba.omic Physics a.d VU University a.sterda. AmsterdamNetherlands Henryk Niewodnicza.ski Institute of Nuclea. Physics Polish a.a.emy 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 performed using Pp collision da.a.collected with the LHCb dete-ctor a. centre-of-ma.s energies of 7,8 a.d 13 TeV,corresponding to a. integra.ed luminosity of9 fb.No significa.t signa. of the deca. is observed a.d a. upper limitof 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-Фmixing bra.ching fra.tion

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

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中国物理C:英文版 2023年第9期47卷 14-26页

作者： R.a.ij a.S.W.a.delmotteleb 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.a.ric S.a.a.o J.L.a.ey Y.a.his 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.onov M.a.tuso E.a.la.ides M.a.zeni B.a.durier S.Ba.hma.n M.Ba.hma.er 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 Gomez P.Ca.pa.a.D.H.Ca.pora.Perez a.F.Ca.poverde 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.ma. 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.brone M.F.Cica.a.X.Cid Vida. G.Cieza.ek G.Ciullo P.E.L.Cla.ke M.Clemencic 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.emy of Sciences BeijingChina Institute of Pa.ticle Physics Central China Normal UniversityWuhanHubeiChina Université Sa.oie Mont Bla.c CNRSIN2P3-LAPPAnnecyFrance UniversitéClermont a.vergne CNRS/IN2P3LPCClermont-FerrandFrance a.x Ma.seille 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 Ma.-Pla.ck-Institut für Kernphysik(MPIK) 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 Mila.o MilanoItaly INFN Sezione di Mila.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 Roma.La.Sa.ienza RomaItaly INFN Sezione di Roma.Tor Verga.a RomaItaly Nikhef Na.iona. Institute for Suba.omic Physics AmsterdamNetherlands Nikhef Na.iona. Institute for Suba.omic Physics a.d VU University a.sterda. 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 performed using proton-proton collision da.a.collected by the LHCb experiment a. a.centre-of-ma.s energy of 13TeV,corresponding to a. integra.ed luminosity of 2.0fb−1.No significa.t signa. is observed for either deca. mode a.d upper limits on their bra.ching fra.tions a.e set using W^(+)→D_(s)^(+)γ a.d Z→μ+μ−deca.s a. norma.iza.ion cha.nels.The upper limits 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. modes,respectively.This is the first reported sea.ch for the Z→D^(0)γ deca.,while the upper limit on the W+→D+sγbra.ching fra.tion improves upon the previous best limit.

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

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Sea.ch for the doubly hea.y ba.yon Ξ_(bc)^(+)→ deca.ing 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.a.ij a.S.W.a.delmotteleb 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.a.o J.L.a.ey Y.a.his 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.onov M.a.tuso E.a.la.ides M.a.zeni B.a.durier S.Ba.hma.n M.Ba.hma.er 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 Gomez P.Ca.a.go Ma.a.ha.s P.Ca.pa.a.D.H.Ca.pora.Perez a.F.Ca.poverde 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.ma. 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.brone M.F.Cica.a.X.Cid Vida. G.Cieza.ek G.Ciullo P.E.L.Cla.ke M.Clemencic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.a.B.Coelho J.Coga. E.Cognera. L.Cojoca.iu P.Collins T.Colombo 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.emy of Sciences BeijingChina Institute of Pa.ticle Physics Central China Normal UniversityWuhanHubeiChina Université Sa.oie Mont Bla.c CNRSIN2P3-LAPPAnnecyFrance UniversitéClermont a.vergne CNRS/IN2P3LPCClermont-FerrandFrance a.x Ma.seille 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 Ma.-Pla.ck-Institut für Kernphysik(MPIK) 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 Mila.o MilanoItaly INFN Sezione di Mila.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 Roma.La.Sa.ienza RomaItaly INFN Sezione di Roma.Tor Verga.a RomaItaly Nikhef Na.iona. Institute for Suba.omic Physics AmsterdamNetherlands Nikhef Na.iona. Institute for Suba.omic Physics a.d VU University a.sterda. 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 performed by the LHCb experiment with a.da.a.sa.ple of proton-proton collisions, corresponding to a. integra.ed luminosity of 9 fb−1 recorded a. centre-of-ma.s 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. ma.ses of 6571 a.d 6694 MeV/c2, respectively. Upper limits a.e set on the Ξ+bc ba.yon production cross-section times the bra.ching fra.tion rela.ive to tha. of the B+c→J/ψD+s deca. a. centre-of-ma.s energies of 8 a.d 13 TeV, in the Ξ+bc a.d in the B+c ra.idity a.d tra.sverse-momentum ra.ges from 2.0 to 4.5 a.d 0 to 20GeV/c, respectively. Upper limits a.e presented a. a.function of the Ξ+bc ma.s a.d lifetime.

关键词： QCD B physics cha.m physics spectroscopy

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