Cross section and longitudinal single-spin asymmetry AL for forward W± → μ±ν production in polarized p plus p collisions at √s=510 GeV

被引：15

作者：

Adare, A. ^{[3
,13
]}

Aidala, C. ^{[41
,46
]}

Ajitanand, N. N. ^{[64
]}

Akiba, Y. ^{[59
,60
]}

Akimoto, R. ^{[12
]}

Alexander, J. ^{[64
]}

Alfred, M. ^{[25
]}

Aoki, K. ^{[34
,59
]}

Apadula, N. ^{[30
,65
]}

Aramaki, Y. ^{[59
]}

Asano, H. ^{[37
,59
]}

Atomssa, E. T. ^{[65
]}

Awes, T. C. ^{[55
]}

Azmoun, B. ^{[7
]}

Babintsev, V. ^{[26
]}

Bagoly, A. ^{[18
]}

Bai, M. ^{[6
]}

Bai, X. ^{[11
]}

Bandara, N. S. ^{[45
]}

Bannier, B. ^{[65
]}

Barish, K. N. ^{[8
]}

Bathe, S. ^{[5
,60
]}

Baublis, V. ^{[58
]}

Baumann, C. ^{[7
]}

Baumgart, S. ^{[59
]}

Bazilevsky, A. ^{[7
]}

Beaumier, M. ^{[8
]}

Beckman, S. ^{[13
]}

Belmont, R. ^{[13
,46
,70
]}

Berdnikov, A. ^{[62
]}

Berdnikov, Y. ^{[62
]}

Black, D. ^{[8
]}

Blau, D. S. ^{[36
,51
]}

Boer, M. ^{[41
]}

Bok, J. S. ^{[53
]}

Boyle, K. ^{[60
]}

Brooks, M. L. ^{[41
]}

Bryslawskyj, J. ^{[5
,8
]}

Buesching, H. ^{[7
]}

Bumazhnov, V. ^{[26
]}

Butsyk, S. ^{[52
]}

Campbell, S. ^{[14
,15
,30
]}

Roman, V. Canoa ^{[65
]}

Chen, C. -H. ^{[60
]}

Chi, C. Y. ^{[14
,15
]}

Chiu, M. ^{[7
,27
]}

Choi, I. J. ^{[27
]}

Choi, J. B. ^{[10
]}

Choi, S. ^{[63
]}

Christiansen, P. ^{[42
]}

机构：

[1] Abilene Christian Univ, Abilene, TX 79699 USA

[2] Augustana Univ, Dept Phys, Sioux Falls, SD 57197 USA

[3] Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India

[4] Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India

[5] CUNY, Baruch Coll, New York, NY 10010 USA

[6] Brookhaven Natl Lab, Collider Accelerator Dept, Upton, NY 11973 USA

[7] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[8] Univ Calif Riverside, Riverside, CA 92521 USA

[9] Charles Univ Prague, Ovocny Trh 5, CR-11636 Prague 1, Czech Republic

[10] Chonbuk Natl Univ, Jeonju 561756, South Korea

[11] China Inst Atom Energy, Sci & Technol Nucl Data Lab, Beijing 102413, Peoples R China

[12] Univ Tokyo, Ctr Nucl Study, Grad Sch Sci, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan

[13] Univ Colorado, Boulder, CO 80309 USA

[14] Columbia Univ, New York, NY 10027 USA

[15] Nevis Labs, Irvington, NY 10533 USA

[16] Czech Tech Univ, Zikova 4, Prague 16636 6, Czech Republic

[17] Debrecen Univ, Egyet Ter 1, H-4010 Debrecen, Hungary

[18] Eotvos Lorand Univ, ELTE, Pazmany Ps 1-A, H-1117 Budapest, Hungary

[19] Eszterhazy Karoly Univ, Karoly Robert Campus,Matrai Ut 36, H-3200 Gyongyos, Hungary

[20] Ewha Womans Univ, Seoul 120750, South Korea

[21] Florida State Univ, Tallahassee, FL 32306 USA

[22] Georgia State Univ, Atlanta, GA 30303 USA

[23] Hanyang Univ, Seoul 133792, South Korea

[24] Hiroshima Univ, Higashihiroshima 7398526, Japan

[25] Howard Univ, Dept Phys & Astron, Washington, DC 20059 USA

[26] Inst High Energy Phys, State Res Ctr Russian Federat, IHEP Protvino, Protvino 142281, Russia

[27] Univ Illinois, Urbana, IL 61801 USA

[28] Russian Acad Sci, Inst Nucl Res, Prospekt 60 Letiya Oktyabrya 7a, Moscow 117312, Russia

[29] Acad Sci Czech Republ, Inst Phys, Na Slovance 2, Prague 18221 8, Czech Republic

[30] Iowa State Univ, Ames, IA 50011 USA

[31] Japan Atom Energy Agcy, Adv Sci Res Ctr, 2-4 Shirakata Shirane, Tokai, Ibaraki 3191195, Japan

[32] Helsinki Inst Phys, POB 35, FI-40014 Jyvaskyla, Finland

[33] Univ Jyvaskyla, POB 35, FI-40014 Jyvaskyla, Finland

[34] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki 3050801, Japan

[35] Korea Univ, Seoul 136701, South Korea

[36] Kurchatov Inst, Natl Res Ctr, Moscow 123098, Russia

[37] Kyoto Univ, Kyoto 6068502, Japan

[38] Ecole Polytech, Lab Leprince Ringuet, CNRS, IN2P3, Route Saclay, F-91128 Palaiseau, France

[39] Lahore Univ Management Sci, Dept Phys, Lahore 54792, Pakistan

[40] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[41] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[42] Lund Univ, Box 118, SE-22100 Lund, Sweden

[43] Univ Lyon 1, Univ Lyon, IPNL, CNRS,IN2P3, F-69622 Villeurbanne, France

[44] Univ Maryland, College Pk, MD 20742 USA

[45] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA

[46] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

[47] Muhlenberg Coll, Allentown, PA 18104 USA

[48] Myongji Univ, Yongin 449728, Kyonggido, South Korea

[49] Nagasaki Inst Appl Sci, Nagasaki, Nagasaki 8510198, Japan

[50] Nara Womens Univ, Kita Uoya Nishi Machi, Nara 6308506, Japan

来源：

PHYSICAL REVIEW D | 2018年 / 98卷 / 03期

基金：

日本学术振兴会; 美国国家科学基金会; 以色列科学基金会;

关键词：

PHENIX;

D O I：

10.1103/PhysRevD.98.032007

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have measured the cross section and single-spin asymmetries from forward W-+/- -> mu(+/-)nu production in longitudinally polarized p + p collisions at root s = 510 GeV using the PHENIX detector at the Relativistic Heavy Ion Collider. The cross sections are consistent with previous measurements at this collision energy, while the most forward and backward longitudinal single spin asymmetries provide new insights into the sea quark helicities in the proton. The charge of the W bosons provides a natural flavor separation of the participating partons.

引用

页数：14

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