Measurements of azimuthal anisotropies of jet production in Pb+Pb collisions at √sNN=5.02 TeV with the ATLAS detector

Measurements of azimuthal anisotropies of jet production in Pb+Pb collisions at √sNN=5.02 TeV with the ATLAS detector

The azimuthal variation of jet yields in heavy-ion collisions provides information about the path-length dependence of the energy loss experienced by partons passing through the hot, dense nuclear matter known as the quark-gluon plasma. This paper presents the azimuthal anisotropy coefficients v(2),...

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Bibliographic Details
Published in:Physical Review C Vol. 105, № 6. P. 064903-1-064903-25
Other Authors: Aad, G., Abbott, B., Abbott, D. C., Aliev, M., Kostyukhin, Vadim V., Kuchinskaya, Olesya I., Penzin, Maxim S.
Format: Article
Language:English
Subjects:
азимутальная анизотропия
протон-протонные столкновения
ATLAS, детектор
адронные струи
статьи в журналах
Online Access:http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001001057
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520 3 |a The azimuthal variation of jet yields in heavy-ion collisions provides information about the path-length dependence of the energy loss experienced by partons passing through the hot, dense nuclear matter known as the quark-gluon plasma. This paper presents the azimuthal anisotropy coefficients v(2), v(3), and v(4) measured for jets in Pb + Pb collisions at root(NN)-N-s =5.02 TeV using the ATLAS detector at the LHC. The measurement uses data collected in 2015 and 2018, corresponding to an integrated luminosity of 2.2 nb(-1). The v(n) values are measured as a function of the transverse momentum of the jets between 71 and 398 GeV and the event centrality. A nonzero value of v(2) is observed in all but the most central collisions. The value of v(2) is largest for jets with lower transverse momentum, with values up to 0.05 in mid-central collisions. A smaller, nonzero value of v(3) of approximately 0.01 is measured with no significant dependence on jet p(T) or centrality, suggesting that fluctuations in the initial state play a small but distinct role in jet energy loss. No significant deviation of v(4) from zero is observed in the measured kinematic region. 
653 |a азимутальная анизотропия 
653 |a протон-протонные столкновения 
653 |a ATLAS, детектор 
653 |a адронные струи 
655 4 |a статьи в журналах 
700 1 |a Aad, G. 
700 1 |a Abbott, B. 
700 1 |a Abbott, D. C. 
700 1 |a Aliev, M. 
700 1 |a Kostyukhin, Vadim V. 
700 1 |a Kuchinskaya, Olesya I. 
700 1 |a Penzin, Maxim S. 
773 0 |t Physical Review C  |d 2022  |g Vol. 105, № 6. P. 064903-1-064903-25  |x 2469-9985 
852 4 |a RU-ToGU 
856 4 |u http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001001057 
908 |a статья 
999 |c 1001057  |d 1001057 

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