Comparing transverse momentum balance of b jet pairs in pp and PbPb collisions at $$ \sqrt{s_{\mathrm{NN}}}=5.02 $$ TeV
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The transverse momentum balance of pairs of back-to-back b quark jets in PbPb and pp collisions recorded with the CMS detector at the LHC is reported. The center-of-mass energy in both collision systems is 5.02 TeV per nucleon pair. Compared to the pp collision baseline, b quark jets have a larger imbalance in the most central PbPb collisions, as expected from the jet quenching effect. The data are also compared to the corresponding measurement with inclusive dijets. In the most central collisions, the imbalance of b quark dijets is comparable to that of inclusive dijets.
- Research Organization:
- Monash U.; Helsinki Inst. of Phys.; Florida U.; Piri Reis U., Istanbul; Rutherford; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Strasbourg, IPHC; Naples U.; Brown U.; MIT; PSI, Villigen; U. Campinas; Rochester U.; Bologna U.; Seoul Natl. U.; Serpukhov, IHEP; Indian Inst. Tech., Bhubaneswar; Carnegie Mellon U.; Vrije U., Brussels; UCLA; Aachen, Tech. Hochsch.; NCBJ, Swierk; Dubna, JINR; Bingöl U.; IISER, Pune; Democritos Nucl. Res. Ctr.; IIUM, Kuala Lumpur; Northeastern U.; UC, Santa Barbara; Erzincan U.; Natl. Tech. U., Athens; Chonnam Natl. U.; Belgrade U.; Minsk, Inst. Nucl. Problems; Stefan Meyer Inst. Subatomare Phys.; Taiwan, Natl. Taiwan U.; Conacyt, Mexico; UC, Davis; INFN, Pavia; Bari U.; Iowa U.; Moscow Phys. Eng. Inst.; Charles U.; Notre Dame U.; Peking U.; Lebedev Inst.; British U. in Egypt; Ruhuna U.; Isfahan Tech. U.; BeiHang U.; Ecole Polytechnique; Budapest, RMKI; Panjab U.; NICPB, Tallinn; Iberoamericana U.; Kansas State U.; Wayne State U.; Mimar Sinan U.; St. Petersburg Polytechnic Inst.; Rome U.; Split Tech. U.; VINCA Inst. Nucl. Sci., Belgrade; INFN, Naples; Quaid-i-Azam U.; LIP, Lisbon; Cantabria Inst. of Phys.; San Luis Potosi U.; Catholic U. America; Middle East Tech. U., Ankara; Lyon, IPN; Canterbury U.; Indian Inst. Tech., Madras; Sofiya, Inst. Nucl. Res.; UC, Riverside; Princeton U.; Baylor U.; University Coll., Dublin; Purdue U., Calumet; Korea U.; Novosibirsk, IYF; Wisconsin U., Madison; Beykent U.; Imperial Coll., London; Cairo, Acad. Sci. Res. Tech.; Texas A-M; Boskovic Inst., Zagreb; Mississippi U.; IPM, Tehran; Genoa U.; Seoul U.; Minnesota U.; U. Debrecen, Inst. Phys.; CERN; Inst. Scintill. Mat., Kharkiv; Delhi U.; Rockefeller U.; Helsinki U.; Catania U.; Bristol U.; Moscow, INR; DESY; Rio de Janeiro State U.; INFN, Perugia; Trieste U.; Novosibirsk State U.; Zurich, ETH; Basilicata U., Potenza; Cukurova U.; Istanbul Aydin U.; Brunel U.; Colorado U.; Fayoum U.; Yerevan Phys. Inst.; Moscow State U.; Haute Alsace U.; St. Petersburg, INP; ABC Federal U.; Bangalore, Indian Inst. Sci.; Florence U.; INFN, Genoa; Jeddah U.; Rio de Janeiro, CBPF; Taiwan, Natl. Central U.; Kafkas U.; Southampton U.; Split U.; Beijing, Inst. High Energy Phys.; INFN, Padua; INFN, Bari; CC, Villeurbanne; Pisa, Scuola Normale Superiore; Pavia U.; Warsaw U.; Istanbul, Tech. U.; Purdue U.; Tbilisi State U.; Perugia U.; Madrid, Autonoma U.; INFN, Pisa; Texas Tech.; Moscow, MIPT; Cairo U.; Virginia U.; Ohio State U.; MOSTI, Malaysian Nucl. Agency, Kajang; Rio Grande do Sul U.; Hamburg U.; Bari Polytechnic; Sungkyunkwan U.; UC, San Diego; Brandenburg Tech. U.; Auckland U.; Cornell U.; Kansas U.; Bethel Coll.; Adiyaman U.; Islamic Azad U., Sci. Res. Branch, Tehran; Vienna, OAW; CINVESTAV, IPN; Florida State U.; Milan Bicocca U.; Saha Inst.; Izmir Inst. Tech.; Utah Valley U.; SUNY, Buffalo; IAC, La Laguna; Andes U., Bogota; Cyprus U.; KIT, Karlsruhe, EKP; Turin U.; Sao Paulo, IFT; INFN, Bologna; Caltech; Tsinghua U., Beijing; Nebraska U.; Tennessee U.; Piemonte Orientale U., Novara; Florida Intl. U.; Guglielmo Marconi U.; Bhubaneswar, Inst. Phys.; Hanyang U.; Brussels U.; Marmara U.; Sinop U.; Lappeenranta U. Tech.; Siena U.; Ioannina U.; Puebla U., Inst. Fis.; Louvain U.; INFN, Turin; Madrid, CIEMAT; Antwerp U.; Bhubaneswar, NISER; Gent U.; Alabama U.; IRFU, Saclay; Pelotas U.; Necmettin Erbakan U., Konya; Northwestern U.; Istanbul Bilgi U.; Florida Inst. Tech.; TIFR, Mumbai, DHEP; Riga Tech. U.; INFN, Florence; Gaziosmanpasa U.; Maryland U.; Rutgers U., Piscataway; Kharkov, KIPT; Rice U.; INFN, Rome; Warsaw U. of Tech.; Zurich U.; Boston U.; Vanderbilt U.; Frascati; Yazd U.; Bhabha Atomic Res. Ctr.; Illinois U., Chicago; Athens U.; Puerto Rico U., Mayaguez; Chulalongkorn U.; Johns Hopkins U.; Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Debrecen, Inst. Nucl. Res.; Mersin U.; CHEP, Taegu; GTU, Tbilisi; INFN, Catania; Moscow, ITEP; Visva Bharati U.; Sofiya U.; Eotvos U.; San Francisco de Quito U.; INFN, Milan Bicocca; Pisa U.; Malaya U.; Oviedo U.; Texas A&M U. Qatar, Doha; Vilnius U.; TU Vienna; Bogazici U.; Padua U.; INFN, Trieste
- Sponsoring Organization:
- US Department of Energy
- Grant/Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1420416
- Report Number(s):
- CMS-HIN-16-005; CERN-EP-2018-005; FERMILAB-PUB-18-038-CMS; oai:inspirehep.net:1652833; arXiv:1802.00707
- Journal Information:
- JHEP, Journal Name: JHEP Vol. 03
- Country of Publication:
- United States
- Language:
- English
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