Theoretical aspects of heavy-flavour production at ultra-high cosmic ray energies
Instituto de Física e Matemática, Universidade Federal de Pelotas, Caixa Postal 354, CEP 96010-900, Pelotas, RS, Brazil
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Published online: 4 August 2015
The main theoretical aspects of heavy-flavour production at ultra-high cosmic ray energies are reviewed, with particular emphasis in the new dynamical effects which are expected to be present in the kinematical range probed by the IceCube and Pierre Auger Observatories. The gluon saturation effects for heavy quark production and the contribution of double parton scattering processes are analysed. Finally, the intrinsic heavy quark hypothesis is presented and some of its phenomenological implications at high energies are discussed.
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