English

libepa -- a C++/Python library for calculations of cross sections of ultraperipheral collisions

High Energy Physics - Phenomenology 2024-09-06 v2

Abstract

The library provides a set of C++/Python functions for computing cross sections of ultraperipheral collisions of high energy particles under the equivalent photons approximation. Cross sections are represented through multiple integrals over the phase space. The integrals are calculated through recurrent application of algorithms for one dimensional integration. The paper contains an introduction to the theory of ultraperipheral collisions, discusses the library approach and provides a few examples of calculations.

Keywords

Cite

@article{arxiv.2311.01353,
  title  = {libepa -- a C++/Python library for calculations of cross sections of ultraperipheral collisions},
  author = {E. V. Zhemchugov and S. I. Godunov and E. K. Karkaryan and V. A. Novikov and A. N. Rozanov and M. I. Vysotsky},
  journal= {arXiv preprint arXiv:2311.01353},
  year   = {2024}
}

Comments

31 pages, 8 figures, 1 table. See the arXiv archive for supplementary materials (code). Introduced new section Validation comparing libepa results to gamma-UPC [2207.03012]. This is the version accepted by the journal

R2 v1 2026-06-28T13:09:47.780Z