Journal article

### The high energy cosmic ray spectrum from relic particle decay

Abstract:

It has been speculated that the recently detected ultra-high energy cosmic rays may originate from the decays of relic particles with mass of order $10^{12}$ GeV clustered in the halo of our Galaxy. This hypothesis can be tested through forthcoming measurements of the spectra of both high energy cosmic nucleons and neutrinos, which are determined in this model by the physics of QCD fragmentation, with no astrophysical uncertainties. We evolve fragmentation spectra measured at LEP energies up ...

Publication status:
Published

### Authors

More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Role:
Author
Journal:
Nucl.Phys.B
Volume:
621
Issue:
1-2
Pages:
495-520
Publication date:
2001-08-10
DOI:
ISSN:
0550-3213
URN:
Source identifiers:
180122
Local pid:
pubs:180122
Language:
English
Keywords: