Ultrahigh energy cosmic rays and new particle physics | Zendy

M. Kacherlrieß | Zendy

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Ultrahigh energy cosmic rays and new particle physics

Author(s) -

M. Kacherlrieß

Publication year - 2001

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.1363517

Subject(s) - physics , cosmic ray , astrophysics , neutrino , astroparticle physics , anisotropy , physics beyond the standard model , supermassive black hole , ultra high energy cosmic ray , astronomy , particle physics , galaxy , optics

The current status of the ultrahigh energy cosmic ray (UHE CR) enigma andseveral proposed solutions involving particle physics beyond the standard modelare discussed. Emphasis is given to top--down models, and as a main example,supermassive dark matter as galactic source for UHE CR and the status of itsexperimental signatures (galactic anisotropy, chemical composition andclustering) is reviewed. Then different approaches to calculate fragmentationspectra of supermassive particles are discussed. Finally, it is argued that UHEneutrinos cannot be - neither directly or indirectly - responsible for theobserved vertical air showers.Comment: 14 pages, 5 figures. Invited talk at ``CAPP-2K'', Verbier, July 200

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