A study of the Δ--component of the wave function in light nuclei

被引：9
|
作者：
Pasyuk, EA
Boudrie, RL
Gram, PAM
Morris, CL
Zumbro, JD
Matthews, JL
Tan, Y
Zelevinsky, VV
Glass, G
Kriss, BJ
机构：
[1] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
[2] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
[3] MIT, Cambridge, MA 02139 USA
[4] Univ Colorado, Boulder, CO 80309 USA
来源：
PHYSICS LETTERS B | 2001年 / 523卷 / 1-2期
关键词：
D O I：
10.1016/S0370-2693(01)01329-6
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have measured cross sections for the (pi (+), pi (+/-)p) reactions on H-3, He-4, Li-6 and Li-7 in quasi-free kinematics at incident pion beam energy 500 MeV. An enhancement of the (pi (+), pi (-)p) cross section in this kinematics is observed. If this is interpreted as due to quasi-free scattering from preexisting Delta components of the nuclear wave function, the extracted probabilities are in agreement with theoretical expectations. (C) 2001 Elsevier Science B.V. All rights reserved.
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页码：1 / 5
页数：5
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