Measurements of W and Z/gamma* cross sections and their ratios in p plus p collisions at RHIC

doi:10.1103/PhysRevD.103.012001

	*Measurements of W and Z/gamma cross sections and their ratios in p plus p collisions at RHIC**
	Adam, J.58; Adamczyk, L.54; Adams, J. R.27; Adkins, J. K.18; Agakishiev, G.16; Aggarwal, M. M.29; Ahammed, Z.48; Alekseev, I 23,55; Anderson, D. M.43; Aparin, A.16
刊名	PHYSICAL REVIEW D
	2021-01-04
卷号	103 期号:1 页码:17
ISSN号	2470-0010
DOI	10.1103/PhysRevD.103.012001
通讯作者	Adam, J.()
英文摘要	We report on the W and Z/gamma* differential and total cross sections as well as the W+/W- and (W+ + W-)/(Z/gamma*) cross section ratios measured by the STAR experiment at RHIC in p+p collisions at root s = 500 GeV and 510 GeV. The cross sections and their ratios are sensitive to quark and antiquark parton distribution functions. In particular, at leading order, the W cross section ratio is sensitive to the (d) over bar/(u) over bar ratio. These measurements were taken at high Q(2) similar to M-W(2), M-Z(2) and can serve as input into global analyses to provide constraints on the sea quark distributions. The results presented here combine three STAR datasets from 2011, 2012, and 2013, accumulating an integrated luminosity of 350 pb(-1). We also assess the expected impact that our W+/W- cross section ratios will have on various quark distributions, and find sensitivity to the (u) over bar - (d) over bar and (d) over bar/(u) over bar, distributions.
资助项目	RCF at BNL ; NERSC Center at LBNL ; Open Science Grid consortium ; Office of Nuclear Physics within the U.S. DOE Office of Science ; U.S. National Science Foundation ; Ministry of Education and Science of the Russian Federation ; Chinese Academy of Science ; Ministry of Science and Technology of China ; Chinese Ministry of Education ; Higher Education Sprout Project by Ministry of Education at NCKU ; National Research Foundation of Korea, Czech Science Foundation ; Ministry of Education, Youth and Sports of the Czech Republic, Hungarian National Research, Development and Innovation Office, New National Excellency Programme of the Hungarian Ministry of Human Capacities, Department of Atomic Energy and Department of Sc ; National Science Centre of Poland ; Ministry of Science, Education and Sports of the Republic of Croatia ; RosAtom of Russia ; German Bundesministerium fur Bildung, Wissenschaft, Forschung and Technologie (BMBF) ; Helmholtz Association ; Japan Society for the Promotion of Science (JSPS)
WOS关键词	Z-BOSON PRODUCTION ; P(P)OVER-BAR COLLISIONS ; ELECTROWEAK MEASUREMENTS ; PARTON DISTRIBUTIONS ; TRANSVERSE ENERGY ; EVENTS
WOS研究方向	Astronomy & Astrophysics ; Physics
语种	英语
出版者	AMER PHYSICAL SOC
WOS记录号	WOS:000604538000001
资助机构	RCF at BNL ; NERSC Center at LBNL ; Open Science Grid consortium ; Office of Nuclear Physics within the U.S. DOE Office of Science ; U.S. National Science Foundation ; Ministry of Education and Science of the Russian Federation ; Chinese Academy of Science ; Ministry of Science and Technology of China ; Chinese Ministry of Education ; Higher Education Sprout Project by Ministry of Education at NCKU ; National Research Foundation of Korea, Czech Science Foundation ; Ministry of Education, Youth and Sports of the Czech Republic, Hungarian National Research, Development and Innovation Office, New National Excellency Programme of the Hungarian Ministry of Human Capacities, Department of Atomic Energy and Department of Sc ; National Science Centre of Poland ; Ministry of Science, Education and Sports of the Republic of Croatia ; RosAtom of Russia ; German Bundesministerium fur Bildung, Wissenschaft, Forschung and Technologie (BMBF) ; Helmholtz Association ; Japan Society for the Promotion of Science (JSPS)
内容类型	期刊论文
源URL	[http://119.78.100.186/handle/113462/138193]
专题	中国科学院近代物理研究所
通讯作者	Adam, J.
作者单位	1.Creighton Univ, Omaha, NE 68178 USA 2.Czech Tech Univ, FNSPE, Prague 11519, Czech Republic 3.Tech Univ Darmstadt, D-64289 Darmstadt, Germany 4.Eotvos Lorand Univ, H-1117 Budapest, Hungary 5.Frankfurt Inst Adv Studies FIAS, D-60438 Frankfurt, Germany 6.Fudan Univ, Shanghai 200433, Peoples R China 7.Heidelberg Univ, D-69120 Heidelberg, Germany 8.Univ Houston, Houston, TX 77204 USA 9.Huzhou Univ, Huzhou 313000, Zhejiang, Peoples R China 10.Indian Inst Sci Educ & Res IISER, Berhampur 760010, India
推荐引用方式 GB/T 7714	Adam, J.,Adamczyk, L.,Adams, J. R.,et al. Measurements of W and Z/gamma* cross sections and their ratios in p plus p collisions at RHIC[J]. PHYSICAL REVIEW D,2021,103(1):17.
APA	Adam, J..,Adamczyk, L..,Adams, J. R..,Adkins, J. K..,Agakishiev, G..,...&Zyzak, M..(2021).Measurements of W and Z/gamma* cross sections and their ratios in p plus p collisions at RHIC.PHYSICAL REVIEW D,103(1),17.
MLA	Adam, J.,et al."Measurements of W and Z/gamma* cross sections and their ratios in p plus p collisions at RHIC".PHYSICAL REVIEW D 103.1(2021):17.