QGSJET-II: Towards reliable description of very high energy hadronic interactionsстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:nce a number of years the QGSJET model has been successfully used by different groups in the field of high
energy cosmic rays. Current work is devoted to the first general update of the model. The key improvement
is connected to an account for non-linear interaction effects which are of crucial importance for reliable model
extrapolation into ultra-high energy domain. The proposed formalism allows to obtain a consistent description of
hadron-hadron cross sections and hadron structure functions and to treat non-linear effects explicitely in individual
hadronic and nuclear collisions. Other ameliorations concern the treatment of low mass diffraction, employment
of realistic nuclear density profiles, and re-calibration of model parameters using a wider set of accelerator data.