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Upsilon (nS) polarizations versus particle multiplicity in pp collisions at root s=7 TeV
dc.contributor | CMS Collaboration | |
dc.creator | Khachatryan, V. | |
dc.creator | Adžić, Petar | |
dc.creator | Ćirković, Predrag | |
dc.creator | Devetak, Damir | |
dc.creator | Milošević, Jovan | |
dc.creator | Reković, Vladimir | |
dc.creator | Đorđević, Miloš | |
dc.creator | Milenović, Predrag | |
dc.date.accessioned | 2018-03-01T17:09:30Z | |
dc.date.available | 2018-03-01T17:09:30Z | |
dc.date.issued | 2016 | |
dc.identifier.issn | 0370-2693 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/1254 | |
dc.description.abstract | The polarizations of the Upsilon(1S), Upsilon(2S), and Upsilon(3S) mesons are measured as a function of the charged particle multiplicity in proton-proton collisions at root s = 7 TeV. The measurements are performed with a dimuon data sample collected in 2011 by the CMS experiment, corresponding to an integrated luminosity of 4.9fb(-1). The results are extracted from the dimuon decay angular distributions, in two ranges of Upsilon(nS) transverse momentum (10-15 and 15-35 GeV), and in the rapidity interval |y| LT 1.2. The results do not show significant changes from low-to high-multiplicity pp collisions, although large uncertainties preclude definite statements in the Upsilon(2S) and Upsilon(3S) cases. (C) 2016 The Author(s). Published by Elsevier B.V. | en |
dc.rights | openAccess | en |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | Physics Letters B | en |
dc.subject | CMS | en |
dc.subject | Physics | en |
dc.subject | Quarkonium production | en |
dc.subject | Quarkonium polarization | en |
dc.subject | QCD medium effects | en |
dc.title | Upsilon (nS) polarizations versus particle multiplicity in pp collisions at root s=7 TeV | en |
dc.type | article | en |
dc.rights.license | BY | |
dcterms.abstract | Рековиц, В.; Ћирковић Предраг; Aдзиц, Р.; Деветак Дамир; Кхацхатрyан, В.; Милошевић Јован; Ђорђевић Милош; Миленовић Предраг; | |
dc.rights.holder | © 2016 The Author(s) | |
dc.citation.volume | 761 | |
dc.citation.spage | 31 | |
dc.citation.epage | 52 | |
dc.identifier.wos | 000384469900006 | |
dc.identifier.doi | 10.1016/j.physletb.2016.07.065 | |
dc.citation.rank | M21a | |
dc.contributor.count | CMS Collaboration (ukupan broj autora: 2285) | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-84982307188 | |
dc.identifier.fulltext | https://vinar.vin.bg.ac.rs//bitstream/id/11645/1250.pdf |