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CERN Document Server 2,009 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 0.52 secondes. 
1.
(100)
Origin of the Ultrahigh-Energy Cosmic Rays and their Spectral Break / Dado, Shlomo (Technion) ; Dar, Arnon (Technion) ; De Rujula, A (Madrid, Autonoma U. ; Madrid, CIEMAT ; CERN ; Boston U.)
The energy spectrum, composition and arrival directions of ultrahigh energy cosmic rays (UHECRs) with energy above the cosmic ray ankle, measured by the Pierre Auger Observatory, are inconsistent if their origin is assumed to be extragalactic. Their observed properties, however, are those expected from UHECRs accelerated by the highly relativistic jets emitted in Galactic gamma ray bursts, most of which are beamed away from Earth. [...]
arXiv:1011.2672; CERN-PH-TH-2010-266.- 2012 - 4 p. - Published in : Nuovo Cimento C: 35 (2012) , no. 1, pp. 89-95
External link: Preprint
In : 25ème Rencontres de Physique de La Vallée d'Aoste, La Thuile, Italy, 27 Feb - 5 Mar 2011, pp.89-95
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2.
(38)
Photons as Ultra High Energy Cosmic Rays ? / Kalashev, Oleg E. (Moscow, INR) ; Kuzmin, V.A. (Moscow, INR) ; Semikoz, D.V. (Moscow, INR ; Munich, Max Planck Inst.) ; Tkachev, I.I. (Moscow, INR ; CERN)
We study spectra of the Ultra High Energy Cosmic Rays assuming primaries are protons and photons, and that their sources are extragalactic. [...]
astro-ph/0107130 ; MPI-PHT-2001-21 ; MPI-PhT-2001-21. - 2001. - 4 p.
Access to fulltext document - Access to fulltext document - Access to fulltext document - Full text
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3.
(38)
Supersymmetry and ultrahigh-energy cosmic rays / Robinett, R W
UMHEP-221. - 1985. - 13 p.
CERN library copies
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4.
(33)
Ultra high energy cosmic rays from topological defects / Berezinsky, Veniamin Sergeevich
The current status of origin of Ultra High Energy Cosm c Rays (UHECR) is reviewed,with emphasis given to elementary particle solutions to UHECR problem, namely to Topological Defects and Super-Heavy Dark Matter (SHDM)particles. The $9 relic superheavy particles are very efficiently produced at inflation. [...]
INFN-TH-2000-01.- Italy : INFN, 2000 - 17 p. External link: Fulltext
In : 6th International Workshop on Topics in Astroparticle and Underground Physics, Paris, France, 6 - 10 Sep 1999, pp.387-396
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5.
(33)
Why an Investigation of Ultra-High Energy Cosmic Rays Should Be Performed at the Earth Orbit / Bednyakov, V A
The Greisen-Zatsepin-Kuzmin problem connected with an observation of cosmic particles with extremely high energies is discussed. [...]
JINR-P2-2001-226 ; P2-2001-226. - 2001. - 34 p.
Fulltext from JINR Dubna
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6.
(32)
Ultrahigh-energy cosmic rays as a probe for supersymmetry / Kachelriess, M
2000 Transparencies: PS.GZ;
In : 8th International Conference on Supersymmetries in Physics, CERN, Geneva, Switzerland, 26 Jun - 1 Jul 2000, pp.e-proc.
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7.
(32)
UHECR: Signatures and Models / Berezinsky, V (Gran Sasso)
The signatures of Ultra High Energy (E >1 EeV) proton propagation through CMB radiation are pair-production dip and GZK cutoff. The visible characteristics of these two spectral features are ankle, which is intrinsic part of the dip, beginning of GZK cutoff in the differential spectrum and E_{1/2} in integral spectrum. [...]
arXiv:1307.4043.- 2013 - 13 p. - Published in : EPJ Web Conf. 53 (2013) 01003 External link: Preprint
In : International Symposium on future Directions in UHECR Physics, CERN, Geneva, Switzerland, 13 - 16 Feb 2012, pp.53
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8.
(30)
A Cannonball Model of Cosmic Rays / De Rujula, A. (CERN ; Boston U.)
I outline a Cannon-Ball model of Cosmic Rays in which their distribution in the Galaxy, their total luminosity, the broken power-law spectra with their observed slopes, the position of the knee(s) and ankle(s), and the alleged variations of composition with energy are all explained in terms of simple and standard physics..
hep-ph/0412094.- 2005 - 10 p. - Published in : Nucl. Phys. B, Proc. Suppl. 151 (2005) 23-32 Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ph/0412094 PDF
In : 20th International Symposium on Lattice Field Theory, Cambridge, MA, USA, 24 - 29 Jun 2002, pp.23-32
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9.
(28)
Ultrahigh-energy particles from cosmic strings / Bhattacharjee, P
FERMILAB-CONF-91-56-A. - 1991. - 23 p.
CERN library copies
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10. Recommendations of the Finance Committee to Council as to the Financing of the 1965 Supplementary Programme
Recommandations du Comité des Finances au Conseil au sujet du financement du programme supplémentaire pour 1965
CERN/0572
28th Session of Council ; 1964
English: PDF
French: PDF
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