PETAG01: A program for the direct simulation of a pellet target

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• 作者：O. Bezshyyko ; A. Dolinskii ; K. Bezshyyko ; I. Kadenko ; R. Yermolenko ; V. Ziemann
• 关键词：Pellet target ; Monte Carlo ; Numerical simulation
• 刊名：Computer Physics Communications
• 出版年：2008
• 期刊代码：30_00104655
• 类别：cp
• 出版时间：15 January 2008
• 卷：178
• 期：2
• 页码：144-155
• 文件大小：393 K

摘要

We describe a numerical model of an internal pellet target to study the beam dynamics in storage rings, where the nuclear experiments with such type of target are planned. In this model the Monte Carlo algorithm is applied to evaluate the particle coordinates and momentum deviation depending on time and parameters of the target. One has to mention that due to statistical character of the pellet distribution in the target the analytical techniques are not applicable. This is also true for the particle distribution in the stored beam, which is influenced by various effects (such as a cooling process, intra-beam scattering, betatron oscillation, space charge effect). In this case only the Monte Carlo technique to model energy straggling in combination with the pellet distribution in the target should be considered.

Program summary

Program title: PETAG01

Catalogue identifier: ADZV_v1_0

Program summary URL: http://cpc.cs.qub.ac.uk/summaries/ADZV_v1_0.html

Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland

Licensing provisions: Standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html

No. of lines in distributed program, including test data, etc.: 1068

No. of bytes in distributed program, including test data, etc.: 11 314

Distribution format: tar.gz

Programming language: Fortran 77, C/C++

Computer: Platform independent

Operating system: MS Windows 95/2000/XP, Linux (Unix)

RAM: 128 MB

Classification: 11.10

Nature of problem: Particle beam dynamics with use of the pellet target.

Solution method: Monte Carlo with analytical approximation.

Running time: dozens of seconds