The (K)over-barN → πΣ decay threshold effect in 3He(in-flight K-, n) reaction spectrum

被引：2
|
作者：
Koike, Takahisa [1 ]
Harada, Toru [2 ]
机构：
[1] RIKEN Nishina Ctr, Adv Meson Sci Lab, Wako, Saitama 3510198, Japan
[2] Osaka Electrocommun Univ, Res Ctr Phys & Math, Neyagawa, Osaka 5728530, Japan
来源：
HYPERFINE INTERACTIONS | 2009年 / 193卷 / 1-3期
关键词：
(K-; N); reaction; K- nuclear states; DWIA; KAONIC NUCLEI; BOUND-STATES; DYNAMICAL MODEL; ATOMS;
D O I：
10.1007/s10751-009-0004-y
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The formation of a deeply-bound K- pp state by the He-3(in-flight K-, n) reaction is investigated theoretically in a distorted-wave impulse approximation using the Green's function method. The expected inclusive and semi-exclusive spectra at p(K-) = 1.0 GeV/c and theta(n) = 0 degrees are calculated for the forthcoming J-PARC E15 experiment. We discuss these spectra with some K--"pp" optical potentials, taking into account the energy-dependence of the imaginary part of the potentials by a phase space suppression factor.
引用
收藏
页码：221 / 227
页数：7
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