Λ spectra in 11.6A GeV/c Au-Au collisions -: art. no. 062301

被引：69

作者：

Albergo, S ^{[1
]}

Bellwied, R

Bennett, M

Boemi, D

Bonner, B

Caines, H

Christie, W

Costa, S

Crawford, HJ

Cronqvist, M

Debbe, R

Engelage, J

Flores, I

Greiner, L

Hallman, T

Hijazi, G

Hoffmann, G

Huang, HZ

Humanic, TJ

Insolia, A

Jensen, P

Judd, EG

Kainz, K

Kaplan, M

Kelly, S

Kotov, I

Kunde, G

Lindstrom, PJ

Ljubicic, T

Llope, W

LoCurto, G

Longacre, R

Lynn, D

Madansky, L

Mahzeh, N

Milosevich, Z

Mitchell, JM

Mitchell, JW

Nehmeh, S

Nociforo, C

Paganis, S

Pandey, SU

Potenza, R

Russ, DE

Saulys, A

Schambach, J

Sheen, J

Sugarbaker, E

Takahashi, J

Tang, J

机构：

[1] Univ Catania, Catania, Italy

[2] Brookhaven Natl Lab, Upton, NY 11973 USA

[3] Univ Calif Los Angeles, Los Angeles, CA USA

[4] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[5] Ist Nazl Fis Nucl, Sez Catania, I-95129 Catania, Italy

[6] Johns Hopkins Univ, Baltimore, MD USA

[7] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[8] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[9] Ohio State Univ, Columbus, OH 43210 USA

[10] Rice Univ, Houston, TX 77251 USA

[11] Univ Calif Berkeley, Space Sci Labs, Berkeley, CA 94720 USA

[12] Univ Texas, Austin, TX 78712 USA

[13] Wayne State Univ, Detroit, MI USA

[14] Yale Univ, New Haven, CT USA

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.88.062301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

E896 has measured Lambda production in 11.6A GeV/c Au-Au collisions over virtually the whole rapidity phase space. The midrapidity p(t) distributions have been measured for the first time at this energy and appear to indicate that the Lambda hyperons have different freeze-out conditions than protons. A comparison with the relativistic quantum molecular dynamics model shows that while there is good shape agreement at high rapidity the model predicts significantly different slopes of the m(t) spectra at midrapidity. The data, where overlap occurs, are consistent with previously reported measurements.

引用

页码：1 / 062301

页数：4

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