Δ mass in quasifree Δ production from 12C -: art. no. 034604

被引：3
|
作者：
Das, S [1 ]
机构：
[1] Bhabha Atom Res Ctr, Div Nucl Phys, Bombay 400085, Maharashtra, India
来源：
PHYSICAL REVIEW C | 2004年 / 70卷 / 03期
关键词：
D O I：
10.1103/PhysRevC.70.034604
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The quasifree Delta(++) production mechanism in charge exchange reactions on the C-12 nucleus has been studied here in the framework of the DWIA. In this study, the Delta(++) is assumed to be produced in a one-step process through the elementary pp-->nDelta(++) reaction. Since the charge exchange reaction on a nucleus is localized in the low density region, the Lagrangian for describing the Delta excitation in the nucleus is taken from the study of the free pp-->nDelta(++) reaction. The present calculation explores the Delta mass in the nucleus phenomenologically, so that the calculated results could reproduce both the pi(+)p invariant mass distribution and the ejectile energy distribution spectra.
引用
收藏
页码：0346041 / 0346048
页数：8
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