Angular distribution of positrons in coherent pair production in deformed crystals

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dc.creatorParazian, V. V.
dc.date2008-11-12
dc.date2009-04-04
dc.date.accessioned2026-07-07T13:07:38Z
dc.date.available2026-07-07T13:07:38Z
dc.descriptionWe investigate the angular distribution of positrons in the coherent process electronpositron pair creation process by high-energy photons in a periodically deformed single crystal with a complex base. The formula for the corresponding differential cross-section is derived for an arbitrary deformation field. The case is considered in detail when the photon enters into the crystal at small angles with respect to a crystallographic axis. The results of the numerical calculations are presented for${\mathrm{SiO}}_{2}$ and diamond single crystals and Moliere parameterization of the screened atomic potentials in the case of the deformation field generated by the acoustic wave of S-type.
dc.description11 pages, 4 figures, figures and references added
dc.identifierhttps://arxiv.org/abs/0811.1864
dc.identifierhttp://arxiv.org/abs/0811.1864
dc.identifierJ.Phys.Condens.Matter 21:185401,2009
dc.identifierdoi:10.1088/0953-8984/21/18/185401
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/228152
dc.subjectHigh Energy Physics - Theory
dc.subjectOther Condensed Matter
dc.subjectAccelerator Physics
dc.titleAngular distribution of positrons in coherent pair production in deformed crystals
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