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Studies of charm and beauty hadron long-range correlations in pp and pPb collisions at LHC energies

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Research , Preprint 10 Feb 2021 English

Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Dragicevic, M.; Ero, J.; +197 Authors

Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Dragicevic, M.; Ero, J.; Del Valle, A. Escalante; Flechl, M.; Fruhwirth, R.; Jeitler, M.; Krammer, N.; Kratschmer, I; Liko, D.; Madlener, T.; Mikulec, I; Rad, N.; Schieck, J.; Schofbeck, R.; Spanring, M.; Waltenberger, W.; Wulz, C-E; Zarucki, M.; Drugakov, V; Mossolov, V; Gonzalez, J. Suarez; Darwish, M. R.; De Wolf, E. A.; Di Croce, D.; Janssen, X.; Kello, T.; Lelek, A.; Pieters, M.; Sfar, H. Rejeb; Van Haevermaet, H.; Van Mechelen, P.; Van Putte, S.; Van Remortel, N.; Blekman, F.; Bols, E. S.; Chhibra, S. S.; D'Hondt, J.; De Clercq, J.; Lontkovskyi, D.; Lowette, S.; Marchesini, I; Moortgat, S.; Python, Q.; Tavernier, S.; Van Doninck, W.; Van Mulders, P.; Beghin, D.; Bilin, B.; Clerbaux, B.; De Lentdecker, G.; Delannoy, H.; Dorney, B.; Favart, L.; Grebenyuk, A.; Kalsi, A. K.; Moureaux, L.; Popov, A.; Postiau, N.; Starling, E.; Thomas, L.; V,; er Velde, C.; Vanlaer, P.; Vannerom, D.; Cornelis, T.; Dobur, D.; Khvastunov, I; Niedziela, M.; Roskas, C.; Skovpen, K.; Tytgat, M.; Verbeke, W.; Vermassen, B.; Vit, M.; Bruno, G.; Caputo, C.; David, P.; Delaere, C.; Delcourt, M.; Giammanco, A.; Lemaitre, V; Prisci,; Aro, J.; Saggio, A.; Vischia, P.; Zobec, J.; Alves, G. A.; Silva, G. Correia; Hensel, C.; Moraes, A.; Batista Das Chagas, E. Belchior; Carvalho, W.; Chinellato, J.; Coelho, E.; Da Costa, E. M.; Da Silveira, G. G.; Damiao, D. De Jesus; Martins, C. De Oliveira; De Souza, S. Fonseca; Malbouisson, H.; Martins, J.; Figueiredo, D. Matos; Jaime, M. Medina; De Almeida, M. Melo; Herrera, C. Mora; Mundim, L.; Nogima, H.; Da Silva, W. L. Prado; Teles, P. Rebello; Rosas, L. J. Sanchez; Santoro, A.; Sznajder, A.; Thiel, M.; Manganote, E. J. Tonelli; Silva De Araujo, F. Torres; Pereira, A. Vilela; Bernardes, C. A.; Calligaris, L.; Perez Tomei, T. R. Fern; Ez,; Gregores, E. M.; Lemos, D. S.; Mercadante, P. G.; Novaes, S. F.; Padula, S; Ra, S.; Aleks,; Rov, A.; Antchev, G.; Hadjiiska, R.; Iaydjiev, P.; Misheva, M.; Rodozov, M.; Shopova, M.; Sultanov, G.; Bonchev, M.; Dimitrov, A.; Ivanov, T.; Litov, L.; Pavlov, B.; Petkov, P.; Petrov, A.; Fang, W.; Gao, X.; Yuan, L.; Ahmad, M.; Hu, Z.; Wang, Y.; Chen, G. M.; Chen, H. S.; Chen, M.; Jiang, C. H.; Leggat, D.; Liao, H.; Liu, Z.; Spiezia, A.; Tao, J.; Yazgan, E.; Zhang, H.; Zhang, S.; Zhao, J.; Agapitos, A.; Ban, Y.; Chen, G.; Levin, A.; Li, J.; Li, L.; Li, Q.; Mao, Y.; Qian, S. J.; Wang, D.; Wang, Q.; Xiao, M.; Avila, C.; Cabrera, A.; Florez, C.; Gonzalez, Hern; C. F., Ez; Segura Delgado, M. A.; Mejia Guisao, J.; Ruiz Alvarez, J. D.; Salazar Gonzalez, C. A.; Vanegas Arbelaez, N.; Giljanovic, D.; Godinovic, N.; Lelas, D.; Puljak, I; Sculac, T.; Antunovic, Z.; Kovac, M.; Brigljevic, V; Ferencek, D.; Kadija, K.; Majumder, D.; Mesic, B.; Shah, Aashaq; David, A.; Hou, W-S; Kumar, Arun;

doi: 10.18154/rwth-2021-03231 , 10.48550/arxiv.2009.07065 , 10.18154/rwth-2021-03811 , 10.5445/ir/1000128079 , 10.3204/pubdb-2020-03551 , 10.1016/j.physletb.2020.136036 , 10.3204/pubdb-2021-00719 , 10.3929/ethz-b-000460521

handle: 10067/1766190151162165141 , 1854/LU-8702574 , 20.500.12960/1077 , 11503/1453 , 10261/260601 , 10486/702294 , 20.500.14017/552035e3-7531-4bdb-a663-2ec5093d67d6 , 20.500.11850/460521 , 11449/210679

Studies of charm and beauty hadron long-range correlations in pp and pPb collisions at LHC energies

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Abstract

Measurements of the second Fourier harmonic coefficient (v2) of the azimuthal distributions of prompt and nonprompt D0 mesons produced in pp and pPb collisions are presented. Nonprompt D0 mesons come from beauty hadron decays. The data samples are collected by the CMS experiment at nucleon-nucleon center-of-mass energies of 13 and 8.16 TeV, respectively. In high multiplicity pp collisions, v2 signals for prompt charm hadrons are reported for the first time, and are found to be comparable to those for light-flavor hadron species over a transverse momentum (pT) range of 2–6 GeV. Compared at similar event multiplicities, the prompt D0 meson v2 values in pp and pPb collisions are similar in magnitude. The v2 values for open beauty hadrons are extracted for the first time via nonprompt D0 mesons in pPb collisions. For pT in the range of 2–5 GeV, the results suggest that v2 for nonprompt D0 mesons is smaller than that for prompt D0 mesons. These new measurements indicate a positive charm hadron v2 in pp collisions and suggest a mass dependence in v2 between charm and beauty hadrons in the pPb system. These results provide insights into the origin of heavy-flavor quark collectivity in small systems.

Individuals have received support from the Marie-Curie program and the European Research Council and Horizon 2020 Grant, contract Nos. 675440, 752730, and 765710 (European Union); CERN; the Programa Estatal de Fomento de la Investigación Científica y Técnica de Excelencia María de Maeztu, grant MDM-2015-0509 and the Programa Severo Ochoa del Principado de Asturias.

CMS Collaboration: et al.

Funded by SCOAP3.

Peer reviewed

Countries

Belgium, Germany, Serbia, Italy, Belgium, United Kingdom, United States, Croatia, Switzerland, Turkey, Spain, Croatia, Switzerland, Spain, Finland, Germany, Turkey, Spain, Belgium, France, Germany, United Kingdom, France, Turkey, Turkey, Belgium

Related Organizations

University of Turin
Italy
National Taiwan University of Arts
Taiwan
Instituto Politécnico Nacional
Mexico
University of Milano-Bicocca
Italy
Vilnius University
Lithuania

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Subjects by Vocabulary

Dewey Decimal Classification: ddc:530

arXiv: Nuclear Experiment High Energy Physics::Experiment High Energy Physics::Phenomenology Nuclear Theory

ACM Computing Classification System: ComputingMethodologies_DOCUMENTANDTEXTPROCESSING ComputerSystemsOrganization_COMPUTERSYSTEMIMPLEMENTATION ComputingMilieux_COMPUTERSANDEDUCATION ComputingMilieux_THECOMPUTINGPROFESSION

Microsoft Academic Graph classification: Hadron Charm (quantum number) Elliptic flow Range (particle radiation) Small systems Particle physics Large Hadron Collider Meson Quark Physics

Library of Congress Subject Headings: lcsh:Physics lcsh:QC1-999

Keywords

13000 GeV-cms, 8160 GeV-cms/nucleon, decay [B], CERN LHC Coll, CMS, hadroproduction [D0], charm, collective phenomena, long-range [correlation], angular distribution [decay], experimental results, heavy quark, lead, mass dependence, high [multiplicity], interaction [p nucleus], scattering [p p], transverse momentum dependence, Collectivity, Elliptic flow, Heavy flavor, Ridge, Small systems, CMS; Ridge; Collectivity; Small systems; Heavy flavor; Elliptic flow; PLUS AU COLLISIONS; HEAVY-FLAVOR; FLOW; ANISOTROPY, CMS, Ridge, Collectivity, Small systems, Heavy flavor, Elliptic flow, PLUS AU COLLISIONS, HEAVY-FLAVOR, FLOW, ANISOTROPY, p nucleus: interaction, lead, D0: hadroproduction, B: decay, p p: scattering, correlation: long-range, multiplicity: high, charm, decay: angular distribution, transverse momentum dependence, mass dependence, CERN LHC Coll, heavy quark, collective phenomena, experimental results, 8160 GeV-cms/nucleon, 13000 GeV-cms, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], 530 Physics, 10192 Physics Institute, 3106 Nuclear and High Energy Physics, 114 Physical sciences, Small system, 530, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Physics, CMS; Collectivity; Elliptic flow; Heavy flavor; Ridge; Small systems, CMS ; Ridge ; Collectivity ; Small systems ; Heavy flavor ; Elliptic flow, High Energy Physics - Experiment (hep-ex), Nuclear Experiment (nucl-ex), FOS: Physical sciences, Física, PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, PARTICLE PHYSICS, LARGE HADRON COLLIDER, hep-ex, nucl-ex, Nuclear and High Energy Physics, Physique des particules élémentaires, CMS; Ridge; Collectivity; Small Systems; Heavy flavor; Elliptic flow, Science & Technology, Physical Sciences, Astronomy & Astrophysics, Physics, Nuclear, Physics, Particles & Fields, Physics, 0105 Mathematical Physics, 0201 Astronomical and Space Sciences, 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics, Nuclear & Particles Physics, Nuclear Physics - Experiment, Particle Physics - Experiment, High Energy Physics - Experiment, Nuclear Experiment, CMS; Ridge; Collectivity; Small systems; Heavy flavor; Elliptic flow;, Settore FIS/01 - Fisica Sperimentale

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Studies Of Charm And Beauty Hadron Long-Range Correlations In Pp And Ppb Collisions At Lhc Energies
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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	7
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Average
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average