Nonperturbative-transverse-momentum broadening in dihadron angular correlations in √SNN=200 GeV proton-nucleus collisions

被引：6

作者：

Aidala, C. ^{[40
]}

Akiba, Y. ^{[51
,52
]}

Alfred, M. ^{[23
]}

Andrieux, V ^{[40
]}

Apadula, N. ^{[28
]}

Asano, H. ^{[33
,51
]}

Azmoun, B. ^{[7
]}

Babintsev, V ^{[24
]}

Bandara, N. S. ^{[39
]}

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

Bathe, S. ^{[5
,52
]}

Bazilevsky, A. ^{[7
]}

Beaumier, M. ^{[8
]}

Belmont, R. ^{[12
]}

Berdnikov, A. ^{[54
]}

Berdnikov, Y. ^{[54
]}

Blau, D. S. ^{[32
,43
]}

Boer, M. ^{[35
]}

Bok, J. S. ^{[45
]}

Brooks, M. L. ^{[35
]}

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

Bumazhnov, V ^{[24
]}

Campbell, S. ^{[13
,14
]}

Roman, V. Canoa ^{[57
]}

Cervantes, R. ^{[57
]}

Chi, C. Y. ^{[13
,14
]}

Chiu, M. ^{[7
]}

Choi, I. J. ^{[25
]}

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

Citron, Z. ^{[62
]}

Connors, M. ^{[21
,52
]}

Cronin, N. ^{[57
]}

Csanad, M. ^{[17
]}

Csorgo, T. ^{[18
,63
]}

Danley, T. W. ^{[46
]}

Daugherity, M. S. ^{[1
]}

David, G. ^{[7
,16
,57
]}

DeBlasio, K. ^{[44
]}

Dehmelt, K. ^{[57
]}

Denisov, A. ^{[24
]}

Deshpande, A. ^{[7
,52
,57
]}

Desmond, E. J. ^{[7
]}

Dion, A. ^{[57
]}

Dixit, D. ^{[57
]}

Do, J. H. ^{[64
]}

Drees, A. ^{[57
]}

Drees, K. A. ^{[6
]}

Durham, J. M. ^{[35
]}

Durum, A. ^{[24
]}

Enokizono, A. ^{[51
,53
]}

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, New York, NY 11973 USA

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

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

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

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

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

[12] Univ Colorado, Boulder, CO 80309 USA

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

[14] Nevis Labs, Irvington, NY 10533 USA

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

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

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

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

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

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

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

[22] Hiroshima Univ, Higashihiroshima 7398526, Japan

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

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

[25] Univ Illinois, Urbana, IL 61801 USA

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

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

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

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

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

[31] Korea Univ, Seoul 02841, South Korea

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

[33] Kyoto Univ, Kyoto 6068502, Japan

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

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

[36] Lund Univ, Dept Phys, Box 118, SE-22100 Lund, Sweden

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

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

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

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

[41] Muhlenberg Coll, Allentown, PA 18104 USA

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

[43] Natl Res Nucl Univ, Moscow Engn Phys Inst, MEPhI, Moscow 115409, Russia

[44] Univ New Mexico, Albuquerque, NM 87131 USA

[45] New Mexico State Univ, Las Cruces, NM 88003 USA

[46] Ohio Univ, Dept Phys & Astron, Athens, OH 45701 USA

[47] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

[48] Univ Paris Saclay, IPN Orsay, IN2P3, Univ Paris Sud,CNRS, BP 1, F-91406 Orsay, France

[49] Peking Univ, Beijing 100871, Peoples R China

[50] Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Regio, Russia

来源：

PHYSICAL REVIEW C | 2019年 / 99卷 / 04期

基金：

以色列科学基金会; 日本学术振兴会; 美国国家科学基金会;

关键词：

DEEP-INELASTIC SCATTERING; HIGH-ENERGY PARTONS; P-PB COLLISIONS; LONG-RANGE; LEAD COLLISIONS; PHENIX; HADRONS; FRAGMENTATION; DEPENDENCE; CENTRALITY;

D O I：

10.1103/PhysRevC.99.044912

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The PHENIX collaboration has measured high-P T dihadron correlations in p + p, p + A1, and p + Au collisions at root S-NN = 200 GeV. The correlations arise from inter- and intrajet correlations and thus have sensitivity to nonperturbative effects in both the initial and final states. The distributions of p(out), the transverse-momentum component of the associated hadron perpendicular to the trigger hadron, are sensitive to initial-and final-state transverse momenta. These distributions are measured multidifferentially as a function of x(E), the longitudinal momentum fraction of the associated hadron with respect to the trigger hadron. The near-side p(out) widths, sensitive to fragmentation transverse momentum, show no significant broadening between p + Au, p + A1, and p + p. The away-side nonperturbative p(out) widths are found to be broadened in p + Au when compared to p + p; however, there is no significant broadening in p + A1 compared to p + p collisions. The data also suggest that the away-side p(out) broadening is a function of N-coll, the number of binary nucleon-nucleon collisions, in the interaction. The potential implications of these results with regard to initial- and final-state transverse-momentum broadening and energy loss of partons in a nucleus, among other nuclear effects, are discussed.

引用

页数：10

共 12 条

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