Automatic Computation of Cross Sections in HEP

Automatic Computation of Cross Sections in HEP
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HEP 中横截面的自动计算

DOI:
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发表时间:
2000
期刊:
影响因子:
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通讯作者:
N. Nakazawa
N. Nakazawa
中科院分区:
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文献类型:
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作者:
F. Yuasa;K. Katō;M. Kuroda;J. Fujimoto;Hidekazu Tanaka;T. Kaneko;T. Kon;Y. Shimizu;T. Ishikawa;M. Jimbo;Y. Kurihara;S. Kawabata;N. Nakazawa

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为了研究高能物理(HEP)中的反应,自动计算系统已经被开发出来并被广泛使用。 GRACE 就是这样的系统之一,它在分析实验数据方面取得了很大的成功。由于我们处理的是可以通过计算数百个费曼图给出值的横截面,因此我们管理大规模计算,因此需要有效的符号操作,数值积分中的奇异性处理。演讲将介绍GRACE系统的软件设计以及GRACE中的计算技术。
For the study of reactions in High Energy Physics (HEP) automatic computation systems have been developed and are widely used nowadays. GRACE is one of such systems and it has achieved much success in analyzing experimental data. Since we deal with the cross section whose value can be given by calculating hundreds of Feynman diagrams, we manage the large scale calculation, so that effective symbolic manipulation, the treat of singularity in the numerical integration are required. The talk will describe the software design of GRACE system and computational techniques in the GRACE.