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High Energy Physics - Phenomenology

arXiv:1603.01549 (hep-ph)
[Submitted on 4 Mar 2016]

Title:Improved separation of soft and hard components in multiple Coulomb scattering

Authors:M.V. Bondarenco
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Abstract:Evaluation of the angular distribution function of particles scattered in an amorphous medium is improved by deforming the integration path in the Fourier integral representation into the complex plane. That allows us to present the distribution function as a sum of two positive components, soft and hard, the soft component being close to a Gaussian, and the hard component vanishing in the forward direction, while including the Rutherford asymptotics and all the power corrections to it at large scattering angles. Detailed properties of those components, and their interplay at intermediate deflection angles are discussed. Comparison with the Molière theory is given.
Comments: 11 pages, 11 figures
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1603.01549 [hep-ph]
  (or arXiv:1603.01549v1 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1603.01549
Journal reference: Phys. Rev. D 93 (2016) 036008
Related DOI: https://doi.org/10.1103/PhysRevD.93.036008

Submission history

From: Micola Bondarenco [view email]
[v1] Fri, 4 Mar 2016 17:48:35 UTC (1,356 KB)
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