Cosmic ray bound for models of extragalactic neutrino production
نویسندگان
چکیده
منابع مشابه
The relation of extragalactic cosmic ray and neutrino fluxes: the logic of the upper bound debate
In a recent paper, Waxman and Bahcall [1] claimed that the present data on ultra-high energy cosmic rays imply a model-independent upper bound on extragalactic neutrino fluxes of 2×10 GeV cm s sr, independent of neutrino energy. Mannheim, Protheroe and Rachen [2, v2] have repeated this calculation and confirmed the WB-bound, within a factor of 2, only at a very limited energy range of Eν ∼ 10 e...
متن کاملNumerical Models for Cosmic Ray Propagation and Gamma Ray Production
An extensive program for the calculation of galactic cosmic-ray propagation has been developed. Primary and secondary nucleons, primary and secondary electrons, and secondary positrons are included. The basic spatial propagation mechanisms are (momentum-dependent) diffusion, convection, while in momentum space energy loss and diffusive reacceleration are treated. Fragmentation and energy losses...
متن کاملThe Extragalactic Neutrino Background Radiations From Blazars and Cosmic Rays
Blazar emission of gamma rays and cosmic ray production of gamma rays in gas-rich clusters have been proposed recently as alternative sources of the high energy extragalactic diffuse gamma ray background radiation. We show that these sources also produce a very different high energy extragalactic diffuse neutrino background radiation. This neutrino background may be detected by the new generati...
متن کاملNeutrino, Neutron, and Cosmic Ray Production in the External Shock Model of Gamma Ray Bursts
The hypothesis that ultra-high energy (& 1019 eV) cosmic rays (UHECRs) are accelerated by gamma-ray burst (GRB) blast waves is assumed to be correct. Implications of this assumption are then derived for the external shock model of gamma-ray bursts. The evolving synchrotron radiation spectrum in GRB blast waves provides target photons for the photomeson production of neutrinos and neutrons. Deca...
متن کاملCosmic Ray particle production
The status of some popular models to simulate hadronic and nuclear interactions at Cosmic Ray energies is reviewed. The models predict the rise of all the hadronic and nuclear cross sections with energy and a smooth (logarithmic) rise of average multiplicities, rapidity plateaus and average transverse momenta with the energy. Big differences are found between model predictions partly already at...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review D
سال: 2000
ISSN: 0556-2821,1089-4918
DOI: 10.1103/physrevd.63.023003