Approximation of photonuclear interaction cross-sections |
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Authors: | MV Kossov |
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Institution: | (1) ITEP, Moscow, Russia and CERN, 1211 Geneva, Switzerland, RU |
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Abstract: | Photonuclear interaction cross-sections from the GEANT4 database are approximated for all nuclei and all energies (from the
hadron production threshold to about 40 TeV). The approximation methods in the giant-dipole resonance region, nucleon resonance
region, and high-energy region are improved with respect to existing approximations. As an application of the approximation
for photonuclear cross-sections, an improved method of calculating electronuclear cross-sections is developed. The interaction
cross-section of virtual photons with nuclei at high Q2 are approximated and a simple algorithm for describing the electronuclear reactions, including high-Q2 scattering, is proposed.
Received: 22 February 2002 / Accepted: 6 May 2002 |
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Keywords: | PACS 25 20 -x Photonuclear reactions – 25 30 Rw Electroproduction reactions – 24 30 -v Resonance reactions – 21 60 Ka Monte Carlo models |
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