Title
Enhanced Production of Λb0 Baryons in High-Multiplicity pp Collisions at s =13 TeV
Date Issued
23 February 2024
Access level
open access
Resource Type
Controlled Vocabulary for Resource Type Genres::texto::revista::artículo::artículo original
Author(s)
Aaij R.
Abdelmotteleb A.S.W.
Abellan Beteta C.
Abudinen F.
Ackernley T.
Adeva B.
Adinolfi M.
Adlarson P.
Agapopoulou C.
Aidala C.A.
Ajaltouni Z.
Akar S.
Akiba K.
Albicocco P.
Albrecht J.
Alessio F.
Alexander M.
Alfonso Albero A.
Aliouche Z.
Alvarez Cartelle P.
Amalric R.
Amato S.
Amey J.L.
Amhis Y.
Amhis Y.
An L.
Anderlini L.
Andersson M.
Andreianov A.
Andreola P.
Andreotti M.
Andreou D.
Anelli A.A.
Anelli A.A.
Ao D.
Archilli F.
Archilli F.
Argenton M.
Arguedas Cuendis S.
Artamonov A.
Artuso M.
Aslanides E.
Atzeni M.
Audurier B.
Bacher D.
Bachiller Perea I.
Bachmann S.
Bachmayer M.
Back J.J.
Bailly-Reyre A.
Baladron Rodriguez P.
Balagura V.
Baldini W.
Baptista De Souza Leite J.
Barbetti M.
Barbetti M.
Barbosa I.R.
Barlow R.J.
Barsuk S.
Barter W.
Bartolini M.
Baryshnikov F.
Basels J.M.
Bassi G.
Bassi G.
Batsukh B.
Battig A.
Bay A.
Beck A.
Becker M.
Bedeschi F.
Bediaga I.B.
Beiter A.
Belin S.
Bellee V.
Belous K.
Belov I.
Belyaev I.
Benane G.
Bencivenni G.
Ben-Haim E.
Berezhnoy A.
Berkey J.L.M.
Bernet R.
Bernet Andres S.
Bernstein H.C.
Bertella C.
Bertolin A.
Betancourt C.
Betti F.
Bex J.
Bezshyiko I.
Bhom J.
Bieker M.S.
Biesuz N.V.
Billoir P.
Biolchini A.
Birch M.
Bishop F.C.R.
Bitadze A.
Bizzeti A.
Blago M.P.
Blake T.
Blanc F.
Blank J.E.
FOM-Institute of Subatomic Physics - NIKHEF
Faculty of Science, Engineering and Medicine
Universität Zürich, Physik-Institut
Faculty of Science, Engineering and Medicine
University of Liverpool
Instituto Galego de Física de Altas Enerxías (IGFAE)
University of Bristol
Uppsala Universitet
Organisation Européenne pour la Recherche Nucléaire
University of Michigan, Ann Arbor
Université Clermont Auvergne
University of Cincinnati
FOM-Institute of Subatomic Physics - NIKHEF
INFN, Laboratori Nazionali Di Frascati
Technische Universität Dortmund
Organisation Européenne pour la Recherche Nucléaire
University of Glasgow
Universitat de Barcelona
The University of Manchester
Department of Physics
Sorbonne Université
Universidade Federal do Rio de Janeiro
University of Bristol
Université Paris-Saclay
Organisation Européenne pour la Recherche Nucléaire
State Key Laboratory of Nuclear Physics and Technology
Istituto Nazionale di Fisica Nucleare, Sezione di Firenze
Universität Zürich, Physik-Institut
Organisation Européenne pour la Recherche Nucléaire
Universität Zürich, Physik-Institut
Istituto Nazionale di Fisica Nucleare, Sezione di Ferrara
Syracuse University
Istituto Nazionale di Fisica Nucleare, Sezione di Milano-Bicocca
Università degli Studi di Milano-Bicocca
University of Chinese Academy of Sciences
Istituto Nazionale di Fisica Nucleare, Sezione di Roma Tor Vergata
Università degli Studi di Roma "Tor Vergata"
Istituto Nazionale di Fisica Nucleare, Sezione di Ferrara
Consejo Nacional de Rectores (CONARE)
Organisation Européenne pour la Recherche Nucléaire
Syracuse University
Centre de Physique des Particules de Marseille
Massachusetts Institute of Technology
Laboratoire Leprince-Ringuet
University of Oxford
Laboratoire d'Annecy-le-Vieux de Physique des Particules LAPP
Universität Heidelberg
École Polytechnique Fédérale de Lausanne
Faculty of Science, Engineering and Medicine
Sorbonne Université
Instituto Galego de Física de Altas Enerxías (IGFAE)
Laboratoire Leprince-Ringuet
Istituto Nazionale di Fisica Nucleare, Sezione di Ferrara
Centro Brasileiro de Pesquisas Físicas
Istituto Nazionale di Fisica Nucleare, Sezione di Firenze
Università degli Studi di Firenze
Pontifícia Universidade Católica do Rio de Janeiro
The University of Manchester
Université Paris-Saclay
The University of Edinburgh
Department of Physics
Organisation Européenne pour la Recherche Nucléaire
Rheinisch-Westfälische Technische Hochschule Aachen
Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
Scuola Normale Superiore di Pisa
Institute of High Energy Physics, Chinese Academy of Sciences
Technische Universität Dortmund
École Polytechnique Fédérale de Lausanne
Faculty of Science, Engineering and Medicine
Technische Universität Dortmund
Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
Centro Brasileiro de Pesquisas Físicas
Syracuse University
Instituto Galego de Física de Altas Enerxías (IGFAE)
Universität Zürich, Physik-Institut
Organisation Européenne pour la Recherche Nucléaire
Istituto Nazionale di Fisica Nucleare, Sezione di Genova
Organisation Européenne pour la Recherche Nucléaire
Centre de Physique des Particules de Marseille
INFN, Laboratori Nazionali Di Frascati
Sorbonne Université
Organisation Européenne pour la Recherche Nucléaire
Los Alamos National Laboratory
Universität Zürich, Physik-Institut
Universitat Ramon Llull
Syracuse University
The University of Manchester
Università degli Studi di Padova
Universität Zürich, Physik-Institut
The University of Edinburgh
Department of Physics
Universität Zürich, Physik-Institut
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
Technische Universität Dortmund
Istituto Nazionale di Fisica Nucleare, Sezione di Ferrara
Sorbonne Université
FOM-Institute of Subatomic Physics - NIKHEF
Imperial College London
Laboratoire d'Annecy-le-Vieux de Physique des Particules LAPP
The University of Manchester
Department of Physics
Faculty of Science, Engineering and Medicine
École Polytechnique Fédérale de Lausanne
Technische Universität Dortmund
Abstract
The production rate of Λb0 baryons relative to B0 mesons in pp collisions at a center-of-mass energy s=13 TeV is measured by the LHCb experiment. The ratio of Λb0 to B0 production cross sections shows a significant dependence on both the transverse momentum and the measured charged-particle multiplicity. At low multiplicity, the ratio measured at LHCb is consistent with the value measured in e+e- collisions, and increases by a factor of ∼2 with increasing multiplicity. At relatively low transverse momentum, the ratio of Λb0 to B0 cross sections is higher than what is measured in e+e- collisions, but converges with the e+e- ratio as the momentum increases. These results imply that the evolution of heavy b quarks into final-state hadrons is influenced by the density of the hadronic environment produced in the collision. Comparisons with several models and implications for the mechanisms enforcing quark confinement are discussed.
Volume
132
Issue
8
Scopus EID
2-s2.0-85185840573
PubMed ID
Source
Physical Review Letters
ISSN of the container
10797114
Sources of information:
Scopus
Directorio de Producción Científica