Pseudorapidity dependence of charged hadron transverse momentum spectra in d+Au collisions at √sNN=200 GeV -: art. no. 061901

被引：33
作者：
Back, BB [1 ]
Baker, MD
Ballintijn, M
Barton, DS
Becker, B
Betts, RR
Bickley, AA
Bindel, R
Busza, W
Carroll, A
Decowski, MP
García, E
Gburek, T
George, N
Gulbrandsen, K
Gushue, S
Halliwell, C
Hamblen, J
Harrington, AS
Henderson, C
Hofman, DJ
Hollis, RS
Holynski, R
Holzman, B
Iordanova, A
Johnson, E
Kane, JL
Khan, N
Kulinich, P
Kuo, CM
Lee, JW
Lin, WT
Manly, S
Mignerey, AC
Nouicer, R
Olszewski, A
Pak, R
Park, IC
Pernegger, H
Reed, C
Roland, C
Roland, G
Sagerer, J
Sarin, P
Sedykh, I
Skulski, W
Smith, CE
Steinberg, P
Stephans, GSF
Sukhanov, A
机构：
[1] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA
[2] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA
[3] Brookhaven Natl Lab, Dept CA, Upton, NY 11973 USA
[4] Inst Nucl Phys PAN, Krakow, Poland
[5] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA
[6] Natl Cent Univ, Dept Phys, Chungli 32054, Taiwan
[7] Univ Illinois, Dept Phys, Chicago, IL 60607 USA
[8] Univ Maryland, Dept Chem, College Pk, MD 20742 USA
[9] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
来源：
PHYSICAL REVIEW C | 2004年 / 70卷 / 06期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1103/PhysRevC.70.061901
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：
We have measured the transverse momentum distributions of charged hadrons in d+Au collisions at roots(NN)=200 GeV in the range of 0.5<p(T)<4.0 GeV/c. The total range of pseudorapidity, eta, is 0.2<eta<1.4, where positive eta is in the deuteron direction. The data has been divided into three regions of pseudorapidity, covering 0.2<eta<0.6, 0.6<eta<1.0, and 1.0<eta<1.4, and has been compared to charged hadron spectra from p+(p) over bar collisions at the same energy. There is a significant change in the spectral shape as a function of pseudorapidity. As eta increases we see a decrease in the nuclear modification factor R-dAu.
引用
收藏
页码：061901 / 1
页数：3
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