Measurement of inclusive jet cross sections in pp and PbPb collisions at root s(NN)=2.76 TeV
CMS Collaboration (ukupan broj autora: 2265)
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Inclusive jet spectra from pp and PbPb collisions at a nucleon-nucleon center-of-mass energy of 2.76 TeV, collected with the CMS detector at the CERN Large Hadron Collider, are presented. Jets are reconstructed with three different distance parameters (R = 0.2, 0.3, and 0.4) for transverse momentum (p(T)) greater than 70 GeV/c and pseudorapidity |eta| LT 2. Next-to-leading-order quantum chromodynamic calculations with nonperturbative corrections are found to overpredict jet production cross sections in pp for small distance parameters. The jet nuclear modification factors for PbPb compared to pp collisions, show a steady decrease from peripheral to central events, along with a weak dependence on the jet p(T). They are found to be independent of the distance parameter in the measured kinematic range.
Извор:Physical Review C, 2017, 96, 1
- BMWFW (Austria), FNRS (Belgium), CNPq (Brazil), MES (Bulgaria), CERN, CAS (China), COLCIENCIAS (Colombia), MSES (Croatia), RPF (Cyprus), SENESCYT(Ecuador), MoER (Estonia), Academy of Finland, CEA (France), BMBF, Germany, GSRT (Greece), OTKA (Hungary), DAE (India), IPM (Iran), SFI (Ireland), INFN (Italy), MSIP (Republic of Korea), LAS (Lithuania), MOE (Malaysia), BUAP, CINVESTAV, CONACYT, LNS, SEP, UASLP-FAI (Mexico), MBIE (New Zealand), PAEC (Pakistan), MSHE (Poland), FCT (Portugal), JINR (Dubna), MON, RosAtom, RAS, RFBR (Russia), MESTD (Serbia), SEIDI, CPAN (Spain), Swiss Funding Agencies (Switzerland), MST (Taipei), ThEPCenter, IPST, STAR, NSTDA (Thailand), TUBITAK, TAEK (Turkey), NASU, SFFR (Ukraine), STFC (United Kingdom), DOE, NSF (USA), Marie Curie program, European Research Council, EPLANET (European Union), Leventis Foundation, A.P. Sloan Foundation, Alexander von Humboldt Foundation, Belgian Federal Science Policy Office, Fonds pour la Formation a la Recherche dans lIndustrie et dans lAgriculture (FRIABelgium), Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium), Ministry of Education, Youth and Sports (MEYS) of the Czech Republic, Council of Science and Industrial Research, India, HOMINGPLUS program of the Foundation for Polish Science, cofinanced from European Union, Regional Development Fund, Mobility Plus program of the Ministry of Science and Higher Education, National Science Center (Poland) [2014/14/M/ST2/00428, 2013/11/B/ST2/04202, 2014/13/B/ST2/02543, 2014/15/B/ST2/03998, 2012/07/E/ST2/01406], Thalis and Aristeia programs - EU-ESF, Greek NSRF, QatarNational Research Fund, Programa Clarin-COFUND del Principado de Asturias, Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University, Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand), Welch Foundation [C-1845], CAPES (Brazil), FAPERJ (Brazil), FAPESP (Brazil), FWF (Austria), FWO (Belgium), MoST (China), NSFC (China), CSF (Croatia), ERC IUT (Estonia), ERDF (Estonia), MEC (Finland), HIP (Finland), DFG (Germany), HGF (Germany), CNRS/IN2P3 (France), NIH (Hungary), DST (India), NRF (Republic of Korea), UM (Malaysia), NSC (Poland)
ISSN: 2469-9985 (print); 2469-9993 (electronic)