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High Energy Physics - Phenomenology

arXiv:hep-ph/0507080 (hep-ph)
[Submitted on 7 Jul 2005]

Title:Package for Calculations and Simplifications of Expressions with Dirac Matrixes (MatrixExp)

Authors:V. A. Poghosyan
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Abstract: This paper describes a package for calculations of expressions with Dirac matrixes. Advantages to existing similar packages are described. MatrixExp package is intended for simplification of complex expressions involving $\gamma$-matrixes, providing such tools as automatic Feynman parameterization, integration in $d$-dimensional space, sorting and grouping of results in a given order. Also, in comparison with existing similar package Tracer, presented package MatrixExp has more enhanced input possibility. User-available functions of MatrixExp package are described in detail. Also an example of calculation of Feynman diagram for process $b\to s\gamma g$ with application of functions of MatrixExp package is presented.
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:hep-ph/0507080
  (or arXiv:hep-ph/0507080v1 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0507080
Journal reference: Comput.Phys.Commun. 170 (2005) 287-295
Related DOI: https://doi.org/10.1016/j.cpc.2005.06.002

Submission history

From: Hrachia Asatrian M [view email]
[v1] Thu, 7 Jul 2005 14:19:44 UTC (34 KB)
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