Contribution of initial state interactions to the three-nucleon absorption of pions by He-3

被引：20

作者：

Backenstoss, G

Bosnar, D

Breuer, H

Dobbeling, H

Dooling, T

Furic, M

Gram, PAM

Gregory, NK

Hoffart, A

Ingram, CHQ

Klein, A

Koch, K

Kohler, J

Kotlinski, B

Kroedel, M

Kyle, G

Lehmann, A

Mateos, AO

Michaelian, K

Petkovic, T

Redwine, RP

Rowntree, D

Sennhauser, U

Simicevic, N

Trezeciak, R

Ullrich, H

Wang, M

Wang, MH

Weyer, HJ

Wildi, M

Wilson, KE

机构：

[1] UNIV KARLSRUHE,D-7500 KARLSRUHE,GERMANY

[2] LAMPF,LOS ALAMOS,NM 87545

[3] UNIV MARYLAND,COLLEGE PK,MD 20742

[4] MIT,CAMBRIDGE,MA 02139

[5] NEW MEXICO STATE UNIV,LAS CRUCES,NM 88003

[6] OLD DOMINION UNIV,NORFOLK,VA 23529

[7] PAUL SCHERRER INST,CH-5232 VILLIGEN,SWITZERLAND

[8] UNIV ZAGREB,HR-41001 ZAGREB,CROATIA

来源：

PHYSICS LETTERS B | 1996年 / 379卷 / 1-4期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0370-2693(96)00326-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The distributions of protons after the absorption of positive pions by He-3 at 118, 162 and 239 MeV are presented. A decomposition of the three-nucleon cross section in terms of initial state interactions acid other processes is given, based upon simple models. A clear signal of initial state interactions is visible in the data, diminishing at the lower energies.

引用

页码：60 / 66

页数：7

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