DIRECTIONAL DEPENDENCE OF THE PION SOURCE IN HIGH-ENERGY HEAVY-ION COLLISIONS

被引：31

作者：

BOGGILD, H

BOISSEVAIN, J

CHERNEY, M

DODD, J

ESUMI, S

FABJAN, CW

FIELDS, DE

FRANZ, A

HANSEN, KH

HOLZER, B

HUMANIC, TJ

JACAK, BV

JAYANTI, R

KALECHOFSKY, H

KOBAYASHI, T

KVATADZE, R

LEE, YY

LELTCHOUK, M

LORSTAD, B

MAEDA, N

MEDVEDEV, A

MIAKE, Y

MIYABAYASHI, A

MURRAY, M

NISHIMURA, S

NOTEBOOM, E

PANDEY, SU

PIUZ, F

POLYCHRONAKOS, V

POTEKHIN, M

POULARD, G

SAKAGUCHI, A

SARABURA, M

SPEGEL, M

SHIGAKI, K

SIMONGILLO, J

SONDHEIM, W

SUGITATE, T

SULLIVAN, JP

SUMI, Y

VANHECKE, H

WILLIS, WJ

WOLF, K

机构：

[1] LOS ALAMOS NATL LAB,LOS ALAMOS,NM 87545

[2] CREIGHTON UNIV,OMAHA,NE 68178

[3] COLUMBIA UNIV,NEW YORK,NY 10027

[4] HIROSHIMA UNIV,HIGASHIHIROSHIMA 724,JAPAN

[5] CERN,CH-1211 GENEVA 23,SWITZERLAND

[6] OHIO STATE UNIV,COLUMBUS,OH 43210

[7] UNIV PITTSBURGH,PITTSBURGH,PA 15260

[8] NATL LAB HIGH ENERGY PHYS,TSUKUBA,IBARAKI 305,JAPAN

[9] LUND UNIV,S-22362 LUND,SWEDEN

[10] BROOKHAVEN NATL LAB,UPTON,NY 11973

[11] TEXAS A&M UNIV,COLLEGE STN,TX 77843

来源：

PHYSICS LETTERS B | 1995年 / 349卷 / 03期

关键词：

D O I：

10.1016/0370-2693(95)00305-5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

pi(+)pi(+) and pi(-)pi(-) correlations from 200 GeV per nucleon S + Pb collisions and pi(+)pi(+) correlations from 450 GeV p + Pb collisions measured by the focussing spectrometer of CERN experiment NA44 are presented. The large data set which emphasizes small values of momentum difference allows multi-dimensional analysis along with the more traditional one-dimensional parameterization to characterize the pion emission source. It is found that the three radius parameters are similar and large compared to the projectile radius. This can be explained by pion scattering in the final state hadronic system.

引用

页码：386 / 392

页数：7

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