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PIKOE: A Computer program for distorted-wave impulse approximation calculation for proton induced nucleon knockout reactions

PIKOE: 歪曲波インパルス近似を用いた陽子入射核子ノックアウト反応計算プログラム

緒方 一介*; 吉田 数貴   ; 茶園 亮樹*

Ogata, Kazuyuki*; Yoshida, Kazuki; Chazono, Yoshiki*

PIKOEは陽子による核子ノックアウト反応の三重微分断面積、四重微分断面積、ベクトル偏極分解能および残留核の運動量分布を計算するFortran 90の数値計算コードである。歪曲波インパルス近似を用い、歪曲波は量子力学に基づいて計算される。散乱粒子の運動学は相対論的に扱われ、その漸近状態は3体系の平面波極限と一致する。

PIKOE is a Fortran 90 program that calculates triple- and quadruple-differential cross sections, vector analyzing powers, and momentum distributions of reaction residues, for proton-induced nucleon knockout reactions in normal and inverse kinematics. The distorted-wave impulse approximation is adopted, and the distorted waves are calculated quantum mechanically. Kinematics of the reaction particles are treated in a relativistic manner, which gives the proper asymptotics of the three-body scattering wave in the plane-wave limit.

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