Measurement of electrons from beauty hadron decays in pp collisions at root s=7 TeV
2013
ALICE Collaboration (ukupan broj autora: 986)
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The production cross section of electrons from semileptonic decays of beauty hadrons was measured at mid-rapidity (vertical bar y vertical bar LT 0.8) in, the transverse momentum range 1 LT p(T) LT 8 GeV/c with the ALICE experiment at the CERN LHC in pp collisions at a center of mass energy root s = 7 TeV using an integrated luminosity of 2.2 nb(-1). Electrons from beauty hadron decays were selected based on the displacement of the decay vertex from the collision vertex. A perturbative QCD calculation agrees with the measurement within uncertainties. The data were extrapolated to the full phase space to determine the total cross section for the production of beauty quark-antiquark pairs. (C) 2013 CERN. Published by Elsevier B.V. All rights reserved.
Кључне речи:
LHC / ALICE experiment / pp collisions / Single electrons / Heavy flavor production / Beauty productionИзвор:
Physics Letters B, 2013, 721, 1-3, 13-23Финансирање / пројекти:
- State Committee of Science, Calouste Gulbenkian Foundation from Lisbon, Swiss Fonds Kidagan, Armenia, Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Financiadora de Estudos e Projetos (FINEP), Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP), National Natural Science Foundation of China (NSFC), Chinese Ministry of Education (CMOE), Ministry of Science and Technology of China (MSTC), Ministry of Education and Youth of the Czech Republic, Danish Natural Science Research Council, Carlsberg Foundation, Danish National Research Foundation, European Research Council, Helsinki Institute of Physics, Academy of Finland, French CNRS-IN2P3, Region Pays de Loire, Region Alsace, Region Auvergne, CEA, France, German BMBF, Helmholtz Association, General Secretariat for Research and Technology, Ministry of Development, Greece, Hungarian OTKA and National Office for Research and Technology (NKTH), Department of Atomic Energy and Department of Science and Technology of the Government of India, Istituto Nazionale di Fisica Nucleare (INFN), Centro Fermi - Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi, Italy, Joint Institute for Nuclear Research, Dubna, National Research Foundation of Korea (NRF), CONACYT, DGAPA, Mexico, ALFA-EC, HELEN Program (High-Energy Physics Latin-American-European Network), Stichting voor Fundamenteel Onderzoek der Materie (FOM), Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Netherlands, Research Council of Norway (NFR), Polish Ministry of Science and Higher Education, National Authority for Scientific Research - NASR (Autoritatea Nationala pentru Cercetare Stiintifica - ANCS), Ministry of Education and Science of Russian Federation, International Science and Technology Center, Russian Academy of Sciences, Russian Federal Agency of Atomic Energy, Russian Federal Agency for Science and Innovations, CERN-INTAS, Ministry of Education of Slovakia, Department of Science and Technology, South Africa, CIEMAT, EELA, Ministerio de Educacion y Ciencia of Spain, Xunta de Galicia (Conselleria de Educacion), CEA-DEN, Cubaenergia, Cuba, IAEA (International Atomic Energy Agency), Swedish Research Council (VR), Knut and Alice Wallenberg Foundation (KAW), Ukraine Ministry of Education and Science, United Kingdom Science and Technology Facilities Council (STFC), United States Department of Energy, United States National Science Foundation, State of Texas, State of Ohio
DOI: 10.1016/j.physletb.2013.01.069
ISSN: 0370-2693; 1873-2445
WoS: 000317326100003
Scopus: 2-s2.0-84885024526
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Институција/група
VinčaTY - JOUR AU - Abelev, Betty AU - Milošević, Jovan PY - 2013 UR - https://vinar.vin.bg.ac.rs/handle/123456789/5411 AB - The production cross section of electrons from semileptonic decays of beauty hadrons was measured at mid-rapidity (vertical bar y vertical bar LT 0.8) in, the transverse momentum range 1 LT p(T) LT 8 GeV/c with the ALICE experiment at the CERN LHC in pp collisions at a center of mass energy root s = 7 TeV using an integrated luminosity of 2.2 nb(-1). Electrons from beauty hadron decays were selected based on the displacement of the decay vertex from the collision vertex. A perturbative QCD calculation agrees with the measurement within uncertainties. The data were extrapolated to the full phase space to determine the total cross section for the production of beauty quark-antiquark pairs. (C) 2013 CERN. Published by Elsevier B.V. All rights reserved. T2 - Physics Letters B T1 - Measurement of electrons from beauty hadron decays in pp collisions at root s=7 TeV VL - 721 IS - 1-3 SP - 13 EP - 23 DO - 10.1016/j.physletb.2013.01.069 ER -
@article{ author = "Abelev, Betty and Milošević, Jovan", year = "2013", abstract = "The production cross section of electrons from semileptonic decays of beauty hadrons was measured at mid-rapidity (vertical bar y vertical bar LT 0.8) in, the transverse momentum range 1 LT p(T) LT 8 GeV/c with the ALICE experiment at the CERN LHC in pp collisions at a center of mass energy root s = 7 TeV using an integrated luminosity of 2.2 nb(-1). Electrons from beauty hadron decays were selected based on the displacement of the decay vertex from the collision vertex. A perturbative QCD calculation agrees with the measurement within uncertainties. The data were extrapolated to the full phase space to determine the total cross section for the production of beauty quark-antiquark pairs. (C) 2013 CERN. Published by Elsevier B.V. All rights reserved.", journal = "Physics Letters B", title = "Measurement of electrons from beauty hadron decays in pp collisions at root s=7 TeV", volume = "721", number = "1-3", pages = "13-23", doi = "10.1016/j.physletb.2013.01.069" }
Abelev, B.,& Milošević, J.. (2013). Measurement of electrons from beauty hadron decays in pp collisions at root s=7 TeV. in Physics Letters B, 721(1-3), 13-23. https://doi.org/10.1016/j.physletb.2013.01.069
Abelev B, Milošević J. Measurement of electrons from beauty hadron decays in pp collisions at root s=7 TeV. in Physics Letters B. 2013;721(1-3):13-23. doi:10.1016/j.physletb.2013.01.069 .
Abelev, Betty, Milošević, Jovan, "Measurement of electrons from beauty hadron decays in pp collisions at root s=7 TeV" in Physics Letters B, 721, no. 1-3 (2013):13-23, https://doi.org/10.1016/j.physletb.2013.01.069 . .