Antideuteron production in 158A GeV/c Pb plus Pb collisions

被引：31

作者：

Bearden, IG

Boggild, H

Boissevain, J

Christiansen, PHL

Conin, L

Dodd, J

Erazmus, B

Esumi, S

Fabjan, CW

Ferenc, D

Franz, A

Gaardhoje, JJ

Hansen, AG

Hansen, O

Hardtke, D

van Hecke, H

Holzer, EB

Humanic, TJ

Hummel, P

Jacak, BV

Kaimi, K

Kaneta, M

Kohama, T

Kopytine, ML

Leltchouk, M

Ljubicic, A

Lörstad, B

Martin, L

Medvedev, A

Murray, M

Ohnishi, H

Paic, G

Pandey, SU

Piuz, F

Pluta, J

Polychronakos, V

Potekhin, M

Poulard, G

Reichold, D

Sakaguchi, A

Schmidt-Sorensen, J

Simon-Gillo, J

Sondheim, W

Sugitate, T

Sullivan, JP

Sumi, Y

Willis, WJ

Wolf, KL

Xu, N

Zachary, DS

机构：

[1] Niels Bohr Inst, DK-2100 Copenhagen, Denmark

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

[3] Nucl Phys Lab Nantes, F-44072 Nantes, France

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

[5] CERN, CH-1211 Geneva 23, Switzerland

[6] Rudjer Boskovic Inst, Zagreb, Croatia

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

[8] SUNY Stony Brook, Stony Brook, NY 11794 USA

[9] Lund Univ, S-22362 Lund, Sweden

[10] Texas A&M Univ, College Stn, TX 77843 USA

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

[12] Hiroshima Univ, Higashihiroshima 739, Japan

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.85.2681

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The invariant cross section as a function of transverse momentum for antideuterons produced in 158A GeV/c per nucleon Pb + Pb central collisions has been measured by the NA44 experiment at CERN. This measurement, together with a measurement of antiprotons, allows for the determination of the antideuteron coalescence parameter. The extracted coalescence radius is found to agree with the deuteron coalescence radius and radii determined from two particle correlations.

引用

页码：2681 / 2684

页数：4

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