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Longitudinal double-spin asymmetries for dijet production at intermediate pseudorapidity in polarized pp collisions at root s=200 GeV

文献类型：期刊论文

作者Adam, J.9; Adamczyk, L.1; Adams, J. R.31; Adkins, J. K.21; Agakishiev, G.19; Aggarwal, M. M.33; Ahammed, Z.56; Ajitanand, N. N.44; Alekseev, I.17,28; Anderson, D. M.46
刊名PHYSICAL REVIEW D
出版日期2018-08-17
卷号98期号:3页码:032011
ISSN号2470-0010
DOI10.1103/PhysRevD.98.032011
英文摘要We present the first measurements of the longitudinal double-spin asymmetry A(LL) for dijets with at least one jet reconstructed within the pseudorapidity range 0.8 < eta < 1.8. The dijets were measured in polarized pp collisions at a center-of-mass energy root s = 200 GeV. Values for A(LL) are determined for several distinct event topologies, defined by the jet pseudorapidities, and span a range of parton momentum fraction x down to x similar to 0.01. The measured asymmetries are found to he consistent with the predictions of global analyses that incorporate the results of previous RHIC measurements. They will provide new constraints on Delta g(x) in this poorly constrained region when included in future global analyses.;We present the first measurements of the longitudinal double-spin asymmetry A(LL) for dijets with at least one jet reconstructed within the pseudorapidity range 0.8 < eta < 1.8. The dijets were measured in polarized pp collisions at a center-of-mass energy root s = 200 GeV. Values for A(LL) are determined for several distinct event topologies, defined by the jet pseudorapidities, and span a range of parton momentum fraction x down to x similar to 0.01. The measured asymmetries are found to he consistent with the predictions of global analyses that incorporate the results of previous RHIC measurements. They will provide new constraints on Delta g(x) in this poorly constrained region when included in future global analyses.;We present the first measurements of the longitudinal double-spin asymmetry A(LL) for dijets with at least one jet reconstructed within the pseudorapidity range 0.8 < eta < 1.8. The dijets were measured in polarized pp collisions at a center-of-mass energy root s = 200 GeV. Values for A(LL) are determined for several distinct event topologies, defined by the jet pseudorapidities, and span a range of parton momentum fraction x down to x similar to 0.01. The measured asymmetries are found to he consistent with the predictions of global analyses that incorporate the results of previous RHIC measurements. They will provide new constraints on Delta g(x) in this poorly constrained region when included in future global analyses.
WOS关键词ELECTROMAGNETIC CALORIMETER ; ELECTROMAGNETIC CALORIMETER ; ELECTROMAGNETIC CALORIMETER ; STAR ; STAR ; STAR
资助项目RHIC Operations Group ; RHIC Operations Group ; RHIC Operations Group ; RCF ; RCF ; RCF ; NERSC Center at LBNL ; NERSC Center at LBNL ; NERSC Center at LBNL ; Open Science Grid consortium ; Open Science Grid consortium ; Open Science Grid consortium ; Office of Nuclear Physics within the U.S. DOE Office of Science ; Office of Nuclear Physics within the U.S. DOE Office of Science ; Office of Nuclear Physics within the U.S. DOE Office of Science ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; Ministry of Education and Science of the Russian Federation ; Ministry of Education and Science of the Russian Federation ; Ministry of Education and Science of the Russian Federation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Science ; Chinese Academy of Science ; Chinese Academy of Science ; Ministry of Science and Technology of China ; Ministry of Science and Technology of China ; Ministry of Science and Technology of China ; Chinese Ministry of Education ; Chinese Ministry of Education ; Chinese Ministry of Education ; National Research Foundation of Korea ; National Research Foundation of Korea ; National Research Foundation of Korea ; Czech Science Foundation ; Czech Science Foundation ; Czech Science Foundation ; Ministry of Education, Youth and Sports of the Czech Republic, Department of Atomic Energy and Department of Science and Technology of the Government of India ; Ministry of Education, Youth and Sports of the Czech Republic, Department of Atomic Energy and Department of Science and Technology of the Government of India ; Ministry of Education, Youth and Sports of the Czech Republic, Department of Atomic Energy and Department of Science and Technology of the Government of India ; National Science Centre of Poland ; National Science Centre of Poland ; National Science Centre of Poland ; Ministry of Science, Education and Sports of the Republic of Croatia ; Ministry of Science, Education and Sports of the Republic of Croatia ; Ministry of Science, Education and Sports of the Republic of Croatia ; RosAtom of Russia and German ; RosAtom of Russia and German ; RosAtom of Russia and German ; Bundesministerium fur Bildung ; Bundesministerium fur Bildung ; Bundesministerium fur Bildung ; Wissenschaft ; Wissenschaft ; Wissenschaft ; Forschung and Technologie (BMBF) ; Forschung and Technologie (BMBF) ; Forschung and Technologie (BMBF) ; Helmholtz Association ; Helmholtz Association ; Helmholtz Association
WOS研究方向Astronomy & Astrophysics ; Astronomy & Astrophysics ; Astronomy & Astrophysics ; Physics ; Physics ; Physics
语种英语
出版者AMER PHYSICAL SOC
WOS记录号WOS:000442079900002
资助机构RHIC Operations Group ; RHIC Operations Group ; RHIC Operations Group ; RCF ; RCF ; RCF ; NERSC Center at LBNL ; NERSC Center at LBNL ; NERSC Center at LBNL ; Open Science Grid consortium ; Open Science Grid consortium ; Open Science Grid consortium ; Office of Nuclear Physics within the U.S. DOE Office of Science ; Office of Nuclear Physics within the U.S. DOE Office of Science ; Office of Nuclear Physics within the U.S. DOE Office of Science ; U.S. National Science Foundation ; U.S. National Science Foundation ; U.S. National Science Foundation ; Ministry of Education and Science of the Russian Federation ; Ministry of Education and Science of the Russian Federation ; Ministry of Education and Science of the Russian Federation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Science ; Chinese Academy of Science ; Chinese Academy of Science ; Ministry of Science and Technology of China ; Ministry of Science and Technology of China ; Ministry of Science and Technology of China ; Chinese Ministry of Education ; Chinese Ministry of Education ; Chinese Ministry of Education ; National Research Foundation of Korea ; National Research Foundation of Korea ; National Research Foundation of Korea ; Czech Science Foundation ; Czech Science Foundation ; Czech Science Foundation ; Ministry of Education, Youth and Sports of the Czech Republic, Department of Atomic Energy and Department of Science and Technology of the Government of India ; Ministry of Education, Youth and Sports of the Czech Republic, Department of Atomic Energy and Department of Science and Technology of the Government of India ; Ministry of Education, Youth and Sports of the Czech Republic, Department of Atomic Energy and Department of Science and Technology of the Government of India ; National Science Centre of Poland ; National Science Centre of Poland ; National Science Centre of Poland ; Ministry of Science, Education and Sports of the Republic of Croatia ; Ministry of Science, Education and Sports of the Republic of Croatia ; Ministry of Science, Education and Sports of the Republic of Croatia ; RosAtom of Russia and German ; RosAtom of Russia and German ; RosAtom of Russia and German ; Bundesministerium fur Bildung ; Bundesministerium fur Bildung ; Bundesministerium fur Bildung ; Wissenschaft ; Wissenschaft ; Wissenschaft ; Forschung and Technologie (BMBF) ; Forschung and Technologie (BMBF) ; Forschung and Technologie (BMBF) ; Helmholtz Association ; Helmholtz Association ; Helmholtz Association
源URL[http://119.78.100.186/handle/113462/59443]  
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.AGH Univ Sci & Technol, EPACS, PL-30059 Krakow, Poland
2.Argonne Natl Lab, Argonne, IL 60439 USA
3.Brookhaven Natl Lab, Upton, NY 11973 USA
4.Univ Calif Berkeley, Berkeley, CA 94720 USA
5.Univ Calif Davis, Davis, CA 95616 USA
6.Univ Calif Los Angeles, Los Angeles, CA 90095 USA
7.Cent China Normal Univ, Wuhan 430079, Hubei, Peoples R China
8.Univ Illinois, Chicago, IL 60607 USA
9.Creighton Univ, Omaha, NE 68178 USA
10.Czech Tech Univ, ENSPE, Prague 11519, Czech Republic
推荐引用方式
GB/T 7714		 Adam, J.,Adamczyk, L.,Adams, J. R.,et al. Longitudinal double-spin asymmetries for dijet production at intermediate pseudorapidity in polarized pp collisions at root s=200 GeV[J]. PHYSICAL REVIEW D,2018,98(3):032011.
APA Adam, J..,Adamczyk, L..,Adams, J. R..,Adkins, J. K..,Agakishiev, G..,...&Zyzak, M..(2018).Longitudinal double-spin asymmetries for dijet production at intermediate pseudorapidity in polarized pp collisions at root s=200 GeV.PHYSICAL REVIEW D,98(3),032011.
MLA Adam, J.,et al."Longitudinal double-spin asymmetries for dijet production at intermediate pseudorapidity in polarized pp collisions at root s=200 GeV".PHYSICAL REVIEW D 98.3(2018):032011.

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来源：近代物理研究所

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