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ϒ(nS) polarizations versus particle multiplicity in pp collisions at √s=7 TeV

dc.contributor.authorAlbajar Molera, Carmen 
dc.contributor.authorMissiroli, M.
dc.contributor.authorMorán, D.
dc.contributor.authorKhachatryan, V.
dc.contributor.authorFernández Trocóniz Acha, Jorge 
dc.contributor.authorThe CMS Collaboration
dc.contributor.otherUAM. Departamento de Física Teóricaes_ES
dc.date.accessioned2017-05-30T11:24:20Z
dc.date.available2017-05-30T11:24:20Z
dc.date.issued2016-08-02
dc.identifier.citationPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 761 (2016): 31-52en_US
dc.identifier.issn0370-2693 (print)es_ES
dc.identifier.issn1873-2445 (online)es_ES
dc.identifier.urihttp://hdl.handle.net/10486/678385
dc.descriptionArtículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiere, y los autores pertenecientes a la UAMes_ES
dc.description.abstractThe polarizations of the ϒ(1S), ϒ(2S), and ϒ(3S) mesons are measured as a function of the charged particle multiplicity in proton–proton collisions at √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 4.9 fb−1. The results are extracted from the dimuon decay angular distributions, in two ranges of ϒ(nS) transverse momentum (10–15 and 15–35 GeV), and in the rapidity interval |y|>1.2. The results do not show significant changes from low- to high-multiplicity pp collisions, although large uncertainties preclude definite statements in the ϒ(2S) and ϒ(3S) casesen_US
dc.description.sponsorshipWe acknowledge the enduring support for the construction and operation of the LHC and the CMS detector provided by the following funding agencies: BMWFW and FWF (Austria); F.R.S. -FNRSand FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MOST, and NSFC (China); COL-CIENCIAS (Colombia); MSES and CSF (Croatia); RPF (Cyprus); MoER, ERC IUT and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NIH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); MSIP and NRF (Republic of Korea); LAS (Lithuania); MOE and UM (Malaysia); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico); MBIE (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portu-gal); JINR (Dubna); MON, RosAtom, RAS and RFBR (Russia); MESTD (Serbia); SEIDI and CPAN (Spain); Swiss Funding Agencies (Switzerland); MST (Taipei); ThEPCenter, IPST, STAR and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU and SFFR (Ukraine); STFC (United Kingdom); DOE and NSF (USA). Individuals have received support from the Marie-Curie programme and the European Research Council and EPLANET (European Union); the Leventis Foundation; the Alfred P. Sloan Foundation; the Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture(FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Industrial Research, India; the HOMING PLUS programme of the Foundation for Polish Science, cofinanced from European Union, Regional Development Fund; the OPUS programme of the National Science Center (Poland); the Compagnia di San Paolo (Torino); MIUR project 20108T4XTM (Italy); the Thalis and Aristeia programmes cofinanced by EU-ESF and the Greek NSRF; the National Priorities Re-search Program by Qatar National Research Fund; the Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University (Thailand); the Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand); and the Welch Foundation, contract C-1845en_US
dc.format.extent22 pag.es_ES
dc.format.mimetypeapplication/pdfen
dc.language.isoengen
dc.publisherElsevier B.Ven_US
dc.relation.ispartofPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physicsen_US
dc.rights© 2016 The Author(s)en_US
dc.subject.otherCMSen_US
dc.subject.otherPhysicsen_US
dc.subject.otherQCD medium effectsen_US
dc.subject.otherQuarkonium polarizationen_US
dc.subject.otherQuarkonium productionen_US
dc.titleϒ(nS) polarizations versus particle multiplicity in pp collisions at √s=7 TeVen_US
dc.typearticleen
dc.subject.ecienciaFísicaes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.physletb.2016.07.065es_ES
dc.identifier.doi10.1016/j.physletb.2016.07.065es_ES
dc.identifier.publicationfirstpage31es_ES
dc.identifier.publicationlastpage52es_ES
dc.identifier.publicationvolume761es_ES
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/FP7/246806es_ES
dc.type.versioninfo:eu-repo/semantics/publishedVersionen
dc.rights.ccReconocimientoes_ES
dc.rights.accessRightsopenAccessen
dc.authorUAMFernández Troconiz Acha, Jorge (260192)
dc.facultadUAMFacultad de Ciencias


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