QGSJET-III Model: Novel Features

Physics content of the QGSJET-III model is discussed, paying a particular attention to the treatment of higher-twist corrections to hard parton scattering processes, corresponding to rescattering of produced -channel partons. Consequences for the energy dependence of both interaction cross sections...

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Bibliographic Details
Published in:Physics of atomic nuclei 2021-11, Vol.84 (6), p.1017-1025
Main Author: Ostapchenko, S.
Format: Article
Language:English
Subjects:
Analysis
Elementary Particles and Fields/Experiment
Nuclear physics
Particle and Nuclear Physics
Particle production
Partons
Physics
Physics and Astronomy
Pions
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Summary:Physics content of the QGSJET-III model is discussed, paying a particular attention to the treatment of higher-twist corrections to hard parton scattering processes, corresponding to rescattering of produced -channel partons. Consequences for the energy dependence of both interaction cross sections and particle production are analyzed. Further, the implementation of the pion exchange mechanism in the model is described, concentrating on its relevance to the data of the LHCf experiment.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778821130238