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Abstract <p>A new version of the high energy physics computational package CompHEP has been released. This version adds the ability to perform calculations with complex form-factors, enabling the calculation of decay widths and scattering cross sections in next-to-leading order according to perturbation theory. A new CompHEP module has also been developed for the automatic, sequential calculation of arrays of decay widths and scattering cross sections as functions of multidimensional arrays of model parameter values. CompHEP now includes a module for statistical processing of results and the construction of confidence regions in the model parameter space. A new module for graphical presentation of results has been added for constructing one-dimensional, two-dimensional, and three-dimensional graphs in the ROOT package format.</p>

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New Functionality of the CompHEP 4.6 Package

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • E. E. Boos,
  • V. E. Bunichev,
  • M. N. Dubinin,
  • L. V. Dudko,
  • V. F. Edneral,
  • A. P. Kryukov,
  • V. I. Savrin

摘要

Abstract

A new version of the high energy physics computational package CompHEP has been released. This version adds the ability to perform calculations with complex form-factors, enabling the calculation of decay widths and scattering cross sections in next-to-leading order according to perturbation theory. A new CompHEP module has also been developed for the automatic, sequential calculation of arrays of decay widths and scattering cross sections as functions of multidimensional arrays of model parameter values. CompHEP now includes a module for statistical processing of results and the construction of confidence regions in the model parameter space. A new module for graphical presentation of results has been added for constructing one-dimensional, two-dimensional, and three-dimensional graphs in the ROOT package format.