J/psi Polarization in pp Collisions at root s=7 TeV
2012
ALICE Collaboration (ukupan broj autora: 963)
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The ALICE Collaboration has studied J/psi production in pp collisions at root s = 7 TeV at the LHC through its muon pair decay. The polar and azimuthal angle distributions of the decay muons were measured, and results on the J/psi polarization parameters lambda(theta) and lambda(phi) were obtained. The study was performed in the kinematic region 2: 5 LT y LT 4, 2 LT p(t) LT 8 GeV/c, in the helicity and Collins-Soper reference frames. In both frames, the polarization parameters are compatible with zero, within uncertainties.
Извор:
Physical Review Letters, 2012, 108, 8Финансирање / пројекти:
- Department of Science and Technology, South Africa, Calouste Gulbenkian Foundation from Lisbon, Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Swiss Fonds Kidagan, Armenia, 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 under European Community, 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, National Office for Research and Technology (NKTH), Department of Atomic Energy, Department of Science and Technology of Government of India, Istituto Nazionale di Fisica Nucleare (INFN) of Italy, MEXT, Japan, Joint Institute for Nuclear Research, Dubna, National Research Foundation of Korea (NRF), CONACYT, DGAPA, Mexico, ALFA-EC, HELEN (High-Energy physics Latin-American-European Network), Stichting voor Fundamenteel Onderzoek der Materie (FOM), Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), The 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), Federal Agency of Science of the 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, CIEMAT, EELA, Ministerio de Educacion y Ciencia of Spain, Xunta de Galicia (Conselleria de Educacion), CEADEN, Cubaenergia, Cuba, IAEA (International Atomic Energy Agency), Swedish Research Council, Knut and Alice Wallenberg Foundation, Ukraine Ministry of Education and Science, United Kingdom Science and Technology Facilities Council (STFC), The United States Department of Energy, United States National Science Foundation, State of Texas, State of Ohio
DOI: 10.1103/PhysRevLett.108.082001
ISSN: 0031-9007; 1079-7114
PubMed: 22463524
WoS: 000300669600014
Scopus: 2-s2.0-84861337245
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Институција/група
VinčaTY - JOUR AU - Abelev, Betty AU - Milošević, Jovan PY - 2012 UR - https://vinar.vin.bg.ac.rs/handle/123456789/4711 AB - The ALICE Collaboration has studied J/psi production in pp collisions at root s = 7 TeV at the LHC through its muon pair decay. The polar and azimuthal angle distributions of the decay muons were measured, and results on the J/psi polarization parameters lambda(theta) and lambda(phi) were obtained. The study was performed in the kinematic region 2: 5 LT y LT 4, 2 LT p(t) LT 8 GeV/c, in the helicity and Collins-Soper reference frames. In both frames, the polarization parameters are compatible with zero, within uncertainties. T2 - Physical Review Letters T1 - J/psi Polarization in pp Collisions at root s=7 TeV VL - 108 IS - 8 DO - 10.1103/PhysRevLett.108.082001 ER -
@article{ author = "Abelev, Betty and Milošević, Jovan", year = "2012", abstract = "The ALICE Collaboration has studied J/psi production in pp collisions at root s = 7 TeV at the LHC through its muon pair decay. The polar and azimuthal angle distributions of the decay muons were measured, and results on the J/psi polarization parameters lambda(theta) and lambda(phi) were obtained. The study was performed in the kinematic region 2: 5 LT y LT 4, 2 LT p(t) LT 8 GeV/c, in the helicity and Collins-Soper reference frames. In both frames, the polarization parameters are compatible with zero, within uncertainties.", journal = "Physical Review Letters", title = "J/psi Polarization in pp Collisions at root s=7 TeV", volume = "108", number = "8", doi = "10.1103/PhysRevLett.108.082001" }
Abelev, B.,& Milošević, J.. (2012). J/psi Polarization in pp Collisions at root s=7 TeV. in Physical Review Letters, 108(8). https://doi.org/10.1103/PhysRevLett.108.082001
Abelev B, Milošević J. J/psi Polarization in pp Collisions at root s=7 TeV. in Physical Review Letters. 2012;108(8). doi:10.1103/PhysRevLett.108.082001 .
Abelev, Betty, Milošević, Jovan, "J/psi Polarization in pp Collisions at root s=7 TeV" in Physical Review Letters, 108, no. 8 (2012), https://doi.org/10.1103/PhysRevLett.108.082001 . .