Mapping the dominant regions of the phase space associated with c c - production relevant for the prompt atmospheric neutrino flux

We present a detailed mapping of the dominant kinematical domains contributing to the prompt atmospheric neutrino flux at high neutrino energies by studying their sensitivity to the cuts on several kinematical variables crucial for charm production in cosmic ray scattering in the atmosphere. This includes the maximal center-of-mass energy for proton-proton scattering, the longitudinal momentum fractions of partons in the projectile (cosmic ray) and target (nucleus of the atmosphere), the Feynman xF variable, and the transverse momentum of charm quark/antiquark. We find that the production of neutrinos with energies larger than Eν>107 GeV is particularly sensitive to the c.m. energies larger than the ones at the LHC and to the longitudinal momentum fractions in the projectile 10-8

Maciuła, RafałHenryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences (författare)
Pasechnik, RomanLund University,Lunds universitet,Teoretisk partikelfysik - Har omorganiserats,Institutionen för astronomi och teoretisk fysik - Har omorganiserats,Naturvetenskapliga fakulteten,Theoretical Particle Physics - Has been reorganised,Department of Astronomy and Theoretical Physics - Has been reorganised,Faculty of Science(Swepub:lu)thep-rnp (författare)
Szczurek, AntoniHenryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences,University of Rzeszów (författare)
Federal University of PelotasHenryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences (creator_code:org_t)

Av författaren/redakt...: Goncalves, Victo ...; Maciuła, Rafał; Pasechnik, Roman; Szczurek, Antoni

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