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

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页码：061901 / 1

页数：3

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