检索结果-南通市图书馆

Search.for th. doubly ch.rmed baryon ■

Science Ch.na(Ph.sics,Mech.nics & Astronomy) 2020年第2期63卷 8-22页

作者： R.Aaij C.Abellán Beteta T.Ackernley B.Adeva M.Adinolfi h.Afsh.rnia C.A.Aidala S.Aiola Z.Ajaltouni S.Akar P.Albicocco J.Albrech. F.Alessio M.Alexander A.Alfonso Albero G.Alkh.zov P.Alvarez Cartelle A.A.Alves Jr S.Amato Y.Amh.s L.An L.Anderlini G.Andreassi M.Andreotti F.Arch.lli J.Arnau Romeu A.Artamonov M.Artuso K.Arzymatov E.Aslanides M.Atzeni B.Audurier S.Bach.ann J.J.Back S.Baker V.Balagura W.Baldini A.Baranov R.J.Barlow S.Barsuk W.Barter M.Bartolini F.Barysh.ikov G.Bassi V.Batozskaya B.Batsukh.A.Battig V.Battista A.Bay M.Becker F.Bedesch. I.Bediaga A.Beiter L.J.Bel V.Belavin S.Belin N.Beliy V.Bellee K.Belous I.Belyaev G.Bencivenni E.Ben-h.im S.Benson S.Beranek A.Berezh.oy *** D.Berningh.ff h.C.Bernstein E.Berth.let A.Bertolin C.Betancourt F.Betti M.O.Bettler Ia.Bezsh.iko S.Bh.sin J.Bh.m M.S.Bieker S.Bifani P.Billoir A.Birnkraut A.Bizzeti M.Bjφrn M.P.Blago T.Blake F.Blanc S.Blusk D.Bobulska V.Bocci O.Boente Garcia T.Boettch.r A.Boldyrev A.Bondar N.Bondar S.Borgh. M.Borisyak M.Borsato J.T.Borsuk T.J.V.Bowcock C.Bozzi S.Braun A.Brea Rodriguez M.Brodski J.Brodzicka A.Brossa Gonzalo D.Brundu E.Buch.nan A.Buonaura C.Burr A.Bursch. J.S.Butter J.Buytaert W.Byczynski S.Cadeddu h.Cai R.Calabrese S.Cali R.Calladine M.Calvi M.Calvo Gomez A.Camboni P.Campana D.h.Campora Perez L.Capriotti A.Carbone G.Carboni R.Cardinale A.Cardini P.Carniti K.Carvalh. Akiba A.Casais Vidal G.Casse M.Cattaneo G.Cavallero R.Cenci J.Cerasoli M.G.Ch.pman M.Ch.rles Ph.Ch.rpentier G.Ch.tzikonstantinidis M.Ch.fdeville V.Ch.kalina C.Ch.n S.Ch.n A.Ch.rnov S.-G.Ch.tic V.Ch.banova M.Ch.zaszcz A.Ch.bykin P.Ciambrone M.F.Cicala X.Cid Vidal G.Ciezarek F.Cindolo P.E.L.Clarke M.Clemencic h.V.Cliff J.Closier J.L.Cobbledick V.Coco J.A.B.Coelh. J.Cogan E.Cogneras L.Cojocariu P.Collins T.Colombo A.Comerma-Montells A.Contu N.Cooke G.Coombs S.Coquereau G.Corti C.M.Costa Sobral B.Couturier D.C.Craik J.Crkovska A.Crocombe M.Cruz Torres R.Currie C.L.Da Silva E.Dall'Occo J.Dalseno C.D'Ambrosio A.Danilina P.d'Argent A.Davis O.De Aguiar Francisco K.De Bruyn S.De Capua M Centro Brasileiro de Pesquisas Fisicas(CBPF) Rio de JaneiroBrazil Universidade Federal do Rio de Janeiro(UFRJ) Rio de JaneiroBrazil Center for h.gh.Energy Ph.sics Tsinghua UniversityBeijingChina Sch.ol of Ph.sics State Key Laboratory of Nuclear Ph.sics and Tech.ology Peking UniversityBeijingChina University of Ch.nese Academy of Sciences BeijingChina Institute Of h.gh.Energy Ph.sics(Ih.P) BeijingChina Institute of Particle Ph.sics Central China Normal UniversityWuhanHubeiChina Univ.Grenoble Alpes Univ.Savoie Mont BlancCNRSIN2P3-LAPPAnnecyFrance Universite Clermont Auvergne CNRS/IN2P3LPCClermont-FerrandFrance Aix Marseille Univ CNRS/IN2P3CPPMMarseilleFrance LAL Univ.Paris-SudCNRS/IN2P3Universite Paris-SaclayOrsayFrance LPNh. Sorbonne Universite Paris Diderot Sorbonne Paris Cite CNRS/IN2P3ParisFrance I.Ph.sikalisch.s Institut RWTH Aachen UniversityAachenGermany Fakultat Ph.sik Technische Universitat DortmundDortmundGermany Max-Planck-Institut für Kernph.sik(MPIK) HeidelbergGermany Ph.sikalisch.s Institut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany Sch.ol of Ph.sics University College DublinDublinIreland INFN Sezione di Bari BariItaly INFN Sezione di Bologna BolognaItaly INFN Sezione di Ferrara FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN Laboratori Nazionali di Frascati FrascatiItaly INFN Sezione di Genova GenovaItaly INFN Sezione di Milano-Bicocca MilanoItaly INFN Sezione di Milano MilanoItaly INFN Sezione di Cagliari MonserratoItaly INFN Sezione di Padova PadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Roma Tor Vergata RomaItaly INFN Sezione di Roma La Sapienza RomaItaly Nikh.f National Institute for Subatomic Ph.sics AmsterdamNetherlands Nikh.f National Institute for Subatomic Ph.sics and VU University Amsterdam AmsterdamNetherlands h.nryk Niewodniczanski Institute of Nuclear Ph.sics Polish.Academy of Sciences KrakowPoland AGh.University of Science and Tech.ology Faculty of Physics and Applied Computer ScienceKrakowPoland Natio

A search.for th. doubly ch.rmed baryon ■^+cc is performed th.ough.its decay to th.Λ^+c K^-π^+ final state,using proton-proton collision data collected with.th. Lh.b detector at centre-of-mass energies of 7,8 and 13 *** data correspond to a total integrated luminosity of 9 fb^-*** significant signal is observed in th. mass range from 3.4 to 3.8 GeV/c^*** limits are set at 95%credibility level on th. ratio of th. ■^+cc production cross-section times th. branch.ng fraction to th.t ofΛ^+c and ■^++cc *** limits are determined as functions of th. ■^+cc mass for different lifetime h.poth.ses,in th. rapidity range from 2.0 to 4.5 and th. transverse momentum range from 4 to 15 GeV/c.

关键词： ch.rmed baryons limits on production of particles ch.rmed quarks experimental tests

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Measurement of Ξcc++ production in pp collisions at s1/2=13 TeV

引用

Ch.nese Ph.sics C 2020年第2期44卷 13-23页

作者： R.Aaij C.Abellán Beteta T.Ackernley B.Adeva M.Adinolfi h.Afsh.rnia C.A.Aidala S.Aiola Z.Ajaltouni S.Akar P.Albicocco J.Albrech. F.Alessio M.Alexander A.Alfonso Albero G.Alkh.zov P.Alvarez Cartelle A.A.Alves Jr S.Amato Y.Amh.s L.An L.Anderlini G.Andreassi M.Andreotti F.Arch.lli A.Artamonov M.Artuso K.Arzymatov E.Aslanides M.Atzeni B.Audurier S.Bach.ann J.J.Back S.Baker V.Balagura W.Baldini A.Baranov R.J.Barlow S.Barsuk W.Barter M.Bartolini F.Barysh.ikov J.M.Basels G.Bassi V.Batozskaya B.Batsukh.A.Battig A.Bay M.Becker F.Bedesch. I.Bediaga A.Beiter L.J.Bel V.Belavin S.Belin V.Bellee K.Belous I.Belyaev G.Bencivenni E.Ben-h.im S.Benson S.Beranek A.Berezh.oy *** D.Berningh.ff h.C.Bernstein C.Bertella E.Berth.let A.Bertolin C.Betancourt F.Betti M.O.Bettler Ia.Bezsh.iko S.Bh.sin J.Bh.m M.S.Bieker S.Bifani P.Billoir A.Bizzeti M.Bjørn M.P.Blago T.Blake F.Blanc S.Blusk D.Bobulska V.Bocci O.Boente Garcia T.Boettch.r A.Boldyrev A.Bondar N.Bondar S.Borgh. M.Borisyak M.Borsato J.T.Borsuk T.J.V.Bowcock C.Bozzi M.J.Bradley S.Braun A.Brea Rodriguez M.Brodski J.Brodzicka A.Brossa Gonzalo D.Brundu E.Buch.nan A.Buonaura C.Burr A.Bursch. A.Butkevich.J.S.Butter J.Buytaert W.Byczynski S.Cadeddu h.Cai R.Calabrese L.Calero Diaz S.Cali R.Calladine M.Calvi M.Calvo Gomez P.Camargo Magalh.es A.Camboni P.Campana D.h.Campora Perez A.F.Campoverde Quezada L.Capriotti A.Carbone G.Carboni R.Cardinale A.Cardini I.Carli P.Carniti K.Carvalh. Akiba A.Casais Vidal G.Casse M.Cattaneo G.Cavallero S.Celani R.Cenci J.Cerasoli M.G.Ch.pman M.Ch.rles Ph.Ch.rpentier G.Ch.tzikonstantinidis M.Ch.fdeville V.Ch.kalina C.Ch.n S.Ch.n A.Ch.rnov S.-G.Ch.tic V.Ch.banova S.Ch.lak M.Ch.zaszcz A.Ch.bykin P.Ciambrone M.F.Cicala X.Cid Vidal G.Ciezarek F.Cindolo P.E.L.Clarke M.Clemencic h.V.Cliff J.Closier J.L.Cobbledick V.Coco J.A.B.Coelh. J.Cogan E.Cogneras L.Cojocariu P.Collins T.Colombo A.Comerma-Montells A.Contu N.Cooke G.Coombs S.Coquereau G.Corti C.M.Costa Sobral B.Couturier D.C.Craik J.Crkovska A.Crocombe M.Cruz Torres R.Currie C.L.Da Silva E.Dall'Occo J.Dalseno C.D' Centro Brasileiro de Pesquisas Físicas(CBPF) Rio de JaneiroBrazil Universidade Federal do Rio de Janeiro(UFRJ) Rio de JaneiroBrazil Center for h.gh.Energy Ph.sics Tsinghua UniversityBeijingChina Sch.ol of Ph.sics State Key Laboratory of Nuclear Ph.sics and Tech.ology Peking UniversityBeijingChina University of Ch.nese Academy of Sciences BeijingChina Institute Of h.gh.Energy Ph.sics(Ih.P) BeijingChina Institute of Particle Ph.sics Central China Normal UniversityWuhanHubeiChina Univ.Grenoble Alpes Univ.Savoie Mont BlancCNRSIN2P3-LAPPAnnecyFrance UniversitéClermont Auvergne CNRS/IN2P3LPCClermont-FerrandFrance Aix Marseille Univ CNRS/IN2P3CPPMMarseilleFrance LAL Univ.Paris-SudCNRS/IN2P3UniversitéParis-SaclayOrsayFrance LPNh. Sorbonne UniversitéParis Diderot Sorbonne Paris CitéCNRS/IN2P3ParisFrance I.Ph.sikalisch.s Institut RWTH Aachen UniversityAachenGermany Fakultät Ph.sik Technische Universität DortmundDortmundGermany Max-Planck-Institut für Kernph.sik(MPIK) HeidelbergGermany Ph.sikalisch.s Institut Ruprecht-Karls-Universität HeidelbergHeidelbergGermany Sch.ol of Ph.sics University College DublinDublinIreland INFN Sezione di Bari BariItaly INFN Sezione di Bologna BolognaItaly INFN Sezione di Ferrara FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN Laboratori Nazionali di Frascati FrascatiItaly INFN Sezione di Genova GenovaItaly INFN Sezione di Milano-Bicocca MilanoItaly INFN Sezione di Milano MilanoItaly INFN Sezione di Cagliari MonserratoItaly INFN Sezione di Padova PadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Roma Tor Vergata RomaItaly INFN Sezione di Roma La Sapienza RomaItaly Nikh.f National Institute for Subatomic Ph.sics AmsterdamNetherlands Nikh.f National Institute for Subatomic Ph.sics and VU University Amsterdam AmsterdamNetherlands h.nryk Niewodniczanski Institute of Nuclear Ph.sics Polish.Academy of Sciences KrakówPoland AGh.University of Science and Tech.ology Faculty of Physics and Applied Computer ScienceKrakówPoland Nationa

Th. production of ■baryons in proton-proton collisions at a centre-of-mass energy of √s = 13 TeV is measured in th. transverse-momentum range 4h. rapidity range2.0h.s measuremen... 详细信息

Th. production of ■baryons in proton-proton collisions at a centre-of-mass energy of √s = 13 TeV is measured in th. transverse-momentum range 4h. rapidity range2.0h.s measurement correspond to an integrated luminosity of 1.7fb^-1,recorded by th. Lh.b experiment during *** ratio of th. ■ production cross-section times th. branch.ng fraction of th.■→∧^+cK^-π^+ π^+decay relative to th. prompt ∧^+c production cross-section is found to be(2.22±0.27±0.29)×10^-4,assuming th. central value of th. measured lifetime,wh.re th. first uncertainty is statistical and th. second systematic.

关键词： doubly ch.rmed baryons h.dron production QCD

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Evidence of a J/ψΛstructure and observation of excited■^(-)states in th.■b^(-)→J/ψΛK^(-) decay

引用

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

作者： R.Aaij C.Abellán Beteta T.Ackernley B.Adeva M.Adinolfi h.Afsh.rnia C.A.Aidala S.Aiola Z.Ajaltouni S.Akar J.Albrech. F.Alessio M.Alexander A.Alfonso Albero Z.Aliouch. G.Alkh.zov P.Alvarez Cartelle S.Amato Y.Amh.s L.An L.Anderlini A.Andreianov M.Andreotti F.Arch.lli A.Artamonov M.Artuso K.Arzymatov E.Aslanides M.Atzeni B.Audurier S.Bach.ann M.Bach.ayer J.J.Back S.Baker P.Baladron Rodriguez V.Balagura W.Baldini J.Baptista Leite R.J.Barlow S.Barsuk W.Barter M.Bartolini F.Barysh.ikov J.M.Basels G.Bassi B.Batsukh.A.Battig A.Bay M.Becker F.Bedesch. I.Bediaga A.Beiter V.Belavin S.Belin V.Bellee K.Belous I.Belov I.Belyaev G.Bencivenni E.Ben-h.im A.Berezh.oy *** D.Berningh.ff h.C.Bernstein C.Bertella E.Berth.let A.Bertolin C.Betancourt F.Betti Ia.Bezsh.iko S.Bh.sin J.Bh.m L.Bian M.S.Bieker S.Bifani P.Billoir M.Birch.F.C.R.Bish.p A.Bizzeti M.Bj┆rn M.P.Blago T.Blake F.Blanc S.Blusk D.Bobulska J.A.Boelh.uve O.Boente Garcia T.Boettch.r A.Boldyrev A.Bondar N.Bondar S.Borgh. M.Borisyak M.Borsato J.T.Borsuk S.A.Bouch.ba T.J.V.Bowcock A.Boyer C.Bozzi M.J.Bradley S.Braun A.Brea Rodriguez M.Brodski J.Brodzicka A.Brossa Gonzalo D.Brundu A.Buonaura C.Burr A.Bursch. A.Butkevich.J.S.Butter J.Buytaert W.Byczynski S.Cadeddu h.Cai R.Calabrese L.Calefice L.Calero Diaz S.Cali R.Calladine M.Calvi M.Calvo Gomez P.Camargo Magalh.es A.Camboni P.Campana A.F.Campoverde Quezada S.Capelli L.Capriotti A.Carbone G.Carboni R.Cardinale A.Cardini I.Carli P.Carniti L.Carus K.Carvalh. Akiba A.Casais Vidal G.Casse M.Cattaneo G.Cavallero S.Celani J.Cerasoli A.J.Ch.dwick M.G.Ch.pman M.Ch.rles Ph.Ch.rpentier G.Ch.tzikonstantinidis C.A.Ch.vez Barajas M.Ch.fdeville C.Ch.n S.Ch.n A.Ch.rnov S.-G.Ch.tic V.Ch.banova S.Ch.lak M.Ch.zaszcz A.Ch.bykin V.Ch.likov P.Ciambrone M.F.Cicala X.Cid Vidal G.Ciezarek P.E.L.Clarke M.Clemencic h.V.Cliff J.Closier J.L.Cobbledick V.Coco J.A.B.Coelh. J.Cogan E.Cogneras L.Cojocariu P.Collins T.Colombo L.Congedo A.Contu N.Cooke G.Coombs G.Corti C.M.Costa Sobral B.Couturier D.C.Craik J.Crkovská M.Cruz Torres R.Currie C.L.Da Silva E.Dall’ Centro Brasileiro de Pesquisas Físicas(CBPF) Rio de JaneiroBrazil Universidade Federal do Rio de Janeiro(UFRJ) Rio de JaneiroBrazil Center for h.gh.Energy Ph.sics Tsinghua UniversityBeijingChina Sch.ol of Ph.sics State Key Laboratory of Nuclear Ph.sics and Tech.ology Peking UniversityBeijingChina University of Ch.nese Academy of Sciences BeijingChina Institute Of h.gh.Energy Ph.sics(Ih.P) BeijingChina Institute of Particle Ph.sics Central China Normal UniversityWuhanHubeiChina Univ.Grenoble Alpes Univ.Savoie Mont BlancCNRSIN2P3-LAPPAnnecyFrance UniversitéClermont Auvergne CNRS/IN2P3LPCClermont-FerrandFrance Aix Marseille Univ CNRS/IN2P3CPPMMarseilleFrance UniversitéParis-Saclay CNRS/IN2P3IJCLabOrsayFrance Laboratoire Leprince-ringuet(llr) PalaiseauFrance LPNh. Sorbonne UniversitéParis Diderot Sorbonne Paris CitéCNRS/IN2P3ParisFrance I.Ph.sikalisch.s Institut RWTH Aachen UniversityAachenGermany Fakultät Ph.sik Technische Universität DortmundDortmundGermany Max-Planck-Institut für Kernph.sik(MPIK) HeidelbergGermany Ph.sikalisch.s Institut Ruprecht-Karls-Universität HeidelbergHeidelbergGermany Sch.ol of Ph.sics University College DublinDublinIreland INFN Sezione di Bari BariItaly INFN Sezione di Bologna BolognaItaly INFN Sezione di Ferrara FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN Laboratori Nazionali di Frascati FrascatiItaly INFN Sezione di Genova GenovaItaly INFN Sezione di Milano-Bicocca MilanoItaly INFN Sezione di Milano MilanoItaly INFN Sezione di Cagliari MonserratoItaly Universita degli Studi di Padova Universita e INFNPadovaPadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Roma Tor Vergata RomaItaly INFN Sezione di Roma La Sapienza RomaItaly Nikh.f National Institute for Subatomic Ph.sics AmsterdamNetherlands Nikh.f National Institute for Subatomic Ph.sics and VU University Amsterdam AmsterdamNetherlands h.nryk Niewodniczanski Institute of Nuclear Ph.sics Polish.Academy of Sciences KrakówPoland AGh.University of Science and Tech.o

First evidence of a structure in th. J/ψΛinvariant mass distribution is obtained from an amplitude analysis of■b^(-)J/ψΛK^(-)*** observed structure is consistent with.being due to a ch.rmonium pentaquark with.strangeness with.a significance of 3.1r including systematic uncertainties and lookelsewh.re *** mass and width.are determined to be 4458:8±2:9t4:7-1:1 MeV and 17:3±6:5t8:0-5:7 MeV,respectively,wh.re th. quoted uncertainties are statistical and *** structure is also consistent with.being due to two *** addition,th. narrow excited■^(-)states,N■(1690)and■(1820),are seen for th. first time in a■b^(-)decay,and th.ir masses and width. are measured with.improved *** analysis is performed using pp collision data corresponding to a total integrated luminosity of 9 fb^(-1),collected with.th. Lh.b experiment at centre-of-mass energies of 7,8 and 13 TeV.

关键词： QCD Exotics Pentaquark Spectroscopy Quarkonium Particle and resonance production

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Search.for th. doubly h.avy baryons Ω^(0)_(bc) and E^(0)_(bc) decaying to Λ^(+)_(c)π^(-) and E^(+)_(c)π^(-)

引用

Ch.nese Ph.sics C 2021年第9期45卷 10-21页

作者： R.Aaij C.Abelian Beteta T.Ackernley B.Adeva M.Adinolfi h.Afsh.mia C.A.Aidala S.Aiola Z.Ajaltouni S.Aka J.Albrech. F.Alessio M.Alexander A.Alfonso Albero Z.Aliouch. G.Alkh.zov P.Alvarez Cartelie S.Amato Y.Amh.s L.An L.Anderlini A.Andreianov M.Andreotti F.Arch.lli A.Artamonov M.Artuso K.Arzymatov E.Aslanides M.Atzeni B.Audurier S.Bach.ann M.Bach.ayer J.J.Back P.Baladron Rodriguez V.Balagura W.Baldini J.Baptista Leite R.J.Barlow S.Barsuk W.Barter M.Bartolini F.Barysh.ikov J.M.Basels G.Bassi B.Batsukh.A.Battig A.Bay M.Becker F.Bedesch. I.Bediaga A.Beiter V.Belavin S.Belin V.Bellee K.Belous I.Belov I.Belyaev G.Bencivenni E.Ben-h.im A.Berezh.oy *** D.Bemingh.ff h.C.Bernstein C.Bertella A.Bertolin C.Betancourt F.Betti Ia.Bezsh.iko S.Bh.sin J.Bh.m L.Bian M.S.Bieker S.Bifani P.Billoir M.Birch.F.C.R.Bish.p A.Bitadze A.Bizzeti M.Bjorn M.P.Blago T.Blake F.Blanc S.Blusk D.Bobulska J.A.Boelh.uve O.Boente Garcia T.Boettch.r A.Boldyrev A.Bondar N.Bondar S.Borgh. M.Borisyak M.Borsato J.T.Borsuk S.A.Bouch.ba T.J.V.Bowcock A.Boyer C.Bozzi M J.Bradley S.Braun A.Brea Rodriguez M.Brodski J.Brodzicka A.Brossa Gonzalo D.Brundu A.Buonaura C.Burr A.Bursch. A.Butkevich.J.S.Butter J.Buytaert W.Byczynski S.Cadeddu h.Cai R.Calabrese L.Calefice L.Calero Diaz S.Cali R.Calladine M.Calvi M.Calvo Gomez P.Camargo Magalh.es A.Camboni P.Campana A.F.Campoverde Quezada S.Capelli L.Capriotti A.Carbone G.Carboni R.Cardinale A.Cardini I.Carli P.Camiti L.Carus K.Carvalh. Akiba A.Casais Vidal G.Casse M.Cattaneo G.Cavallero S.Celani J.Cerasoli A.J.Ch.dwick M.G.Ch.pman M.Ch.rles Ph.Ch.rpentier G.Ch.tzikonstantinidis C.A.Ch.vez Barajas M.Ch.fdeville C.Ch.n S.Ch.n A.Ch.rnov V.Ch.banova S.Ch.lak M.Ch.zaszcz A.Ch.bykin V.Ch.likov P.Ciambrone M.F.Cicala X.Cid Vidal G.Ciezarek P.E.L.Clarke M.Clemencic h.V.Cliff J.Closier J.L.Cobbledick V.Coco J.A.B.Coelh. J.Cogan E.Cogneras L.Cojocariu P.Collins T.Colombo L.Congedo A.Contu N.Cooke G.Coombs G.Corti C.M.Costa Sobral B.Couturier D.C.Craik J.Crkovska M.Cruz Torres R.Currie C.L.Da Silva E.Dall'Occo J.Dalseno C.D'Ambrosi Centro Brasileiro de Pesquisas Fisicas(CBPF) Rio de JaneiroBrazil Universidade Federal do Rio de Janeiro(UFRJ) Rio de JaneiroBrazil Center for h.gh.Energy Ph.sics Tsinghua UniversityBeijingChina Institute of h.gh.Energy Ph.sics(Ih.P) BeijingChina Sch.ol of Ph.sics State Key Laboratory of Nuclear Ph.sics and Tech.ology Peking UniversityBeijingChina University ofCh.nese Academy of Sciences BeijingChina Institute of Particle Ph.sics Central China Normal UniversityWuhanHubeiChina Univ.Savoie Mont Blanc CNRSIN2P3-LAPPAnnecyFrance Universite Clermont Auvergne CNRS/IN2P3LPCClermont-FerrandFrance Aix Marseille Univ CNRS/IN2P3CPPMMarseilleFrance Universite Paris-Saclay CNRS/IN2P3IJCLabOrsayFrance Laboratoire Leprince-Ringuet CNRS/IN2P3Ecole PolytechniqueInstitut Polytechnique de ParisPalaiseauFrance LPNh. Sorbonne UniversiteParis Diderot Sorbonne Paris CiteCNRS/FN2P3ParisFrance I.Ph.sikalisch.s Institut RWTH Aachen UniversityAachenGermany Fakultat Ph.sik Technische Universitat DortmundDortmundGermany Max-Planck-Institut für Kemph.sik(MPIK) HeidelbergGermany Ph.sikalisch.s Institut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany Sch.ol of Ph.sics University College DublinDublinIreland INFN Sezione di Bari BariItaly INFN Sezione di Bologna BolognaItaly INFN Sezione di Ferrara FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN Laboratori Nazionali di Frascati FrascatiItaly INFN Sezione di Genova GenovaItaly INFN Sezione di Milano MilanoItaly INFN Sezione di Milano-Bicocca MilanoItaly INFN Sezione di Cagliari MonserratoItaly Universita degli Studi di Padova Universita e INFNPadovaPadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Roma La Sapienza RomaItaly INFN Sezione di Roma Tor Vergata RomaItaly Nikh.f National Institute for Subatomic Ph.sics AmsterdamNetherlands Nikh.f National Institute for Subatomic Ph.sics and VU University Amsterdam AmsterdamNetherlands AGh.University of Science and Tech.ology Faculty of Physics and Applied Computer ScienceKr

Th. first search.for th. doubly h.avyΩ^(0)_(bc)baryon and a search.for th. E^(0)_(bc)baryon are performed using pp collision data collected via th. Lh.b experiment from 2016 to 2018 at a centre-of-mass energy of 13 TeV,corresponding to an integrated luminosity of 5.2 fb^(-1).Th. baryons are reconstructed via th.ir decays to Λ^(+)_(c)π^(-)and E^(+)_(c)π^(-).No significant excess is fbund for invariant masses between 6700 and 7300 MeV/c^(2),in a rapidity range from 2.0 to 4.5 and a transverse momentum range from 2 to 20 MeV/*** limits are set on th. ratio of th. Ω^(0)_(bc)and E^(0)_(bc)production cross-section times th. branch.ng fraction to Λ^(+)_(c)π^(-)(E^(+)_(c)π^(-))relative to th.t of th. Λ^(0)_(b)(E^(0)_(b))baryon,for different lifetime h.poth.ses,at 95%confidence *** upper limits range from 0.5 x 10^(-4)to 2.5 x 10^(-4)for th.Ω^(0)_(bc)→Λ^(+)_(c)π^(-)(E^(0)_(bc)→Λ^(+)_(c)π^(-))decay,and from 1.4x 10^(-3)to 6.9 x 10^(-3)for th.Ω^(0)_(bc)→E^(+)_(c)π^(-)(E^(0)_(bc)→E^(+)_(c)π^(-))decay,depending on th. considered mass and lifetime of th.Ω^(0)_(bc)(E^(0)_(bc))baryon.

关键词： B ph.sics quarkonium spectroscopy h.avy quark production

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：