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	Study of jet quenching with z plus jet correlations in pb-pb and pp collisions at root s(nn)=5.02 tev
	Sirunyan, A. M.1; Tumasyan, A.1; Adam, W.2; Asilar, E.2; Bergauer, T.2; Brandstetter, J.2; Brondolin, E.2; Dragicevic, M.2; Eroe, J.2; Flechl, M.2
刊名	Physical review letters
	2017-08-23
卷号	119期号:8页码:18
ISSN号	0031-9007
DOI	10.1103/physrevlett.119.082301
通讯作者	Sirunyan, a. m.()
英文摘要	The production of jets in association with z bosons, reconstructed via the mu(+)mu(-) and e(+)e(-) decay channels, is studied in pp and, for the first time, in pb-pb collisions. both data samples were collected by the cms experiment at the lhc, at a nucleon-nucleon center-of-mass energy of 5.02 tev. the pb-pb collisions were analyzed in the 0%-30% centrality range. the back-to-back azimuthal alignment was studied in both pp and pb-pb collisions for z bosons with transverse momentum p(t)(z) > 60 gev/c and a recoiling jet with p(t)(jet) > 30 gev/c. the p(t) imbalance x(jz) = p(t)(jet)/p(t)(z), as well as the average number of jet partners per z, r-jz, was studied in intervals of p(t)(z). the r-jz is found to be smaller in pb-pb than in pp collisions, which suggests that in pb-pb collisions a larger fraction of partons associated with the z bosons fall below the 30 gev/c p(t)(jet) threshold because they lose energy.
WOS关键词	HEAVY-ION COLLISIONS ; QUARK-GLUON PLASMA ; RADIATIVE ENERGY-LOSS ; MATTER
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
语种	英语
出版者	AMER PHYSICAL SOC
WOS记录号	WOS:000408209600001
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2177027
专题	高能物理研究所
通讯作者	Sirunyan, A. M.
作者单位	1.Yerevan Phys Inst, Yerevan, Armenia 2.Inst Hochenergiephys, Vienna, Austria 3.Inst Nucl Problems, Minsk, Byelarus 4.Natl Ctr Particle & High Energy Phys, Minsk, Byelarus 5.Univ Antwerp, Antwerp, Belgium 6.Vrije Univ Brussel, Brussels, Belgium 7.Univ Libre Bruxelles, Brussels, Belgium 8.Univ Ghent, Ghent, Belgium 9.Catholic Univ Louvain, Louvain La Neuve, Belgium 10.Univ Mons, Mons, Belgium
推荐引用方式 GB/T 7714	Sirunyan, A. M.,Tumasyan, A.,Adam, W.,et al. Study of jet quenching with z plus jet correlations in pb-pb and pp collisions at root s(nn)=5.02 tev[J]. Physical review letters,2017,119(8):18.
APA	Sirunyan, A. M..,Tumasyan, A..,Adam, W..,Asilar, E..,Bergauer, T..,...&Salazar Ibarguen, H. A..(2017).Study of jet quenching with z plus jet correlations in pb-pb and pp collisions at root s(nn)=5.02 tev.Physical review letters,119(8),18.
MLA	Sirunyan, A. M.,et al."Study of jet quenching with z plus jet correlations in pb-pb and pp collisions at root s(nn)=5.02 tev".Physical review letters 119.8(2017):18.

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