TeV γ rays from photodisintegration and daughter deexcitation of cosmic-ray nuclei

Physical Review Letters

Volumn 98, Issue 12, 2007, Pages

  Anchordoqui, Luis A ^a   Beacom, John F ^b   Goldberg, Haim ^c   Palomares Ruiz, Sergio ^d,e   Weiler, Thomas J ^d  

^a UNIVERSITY OF WISCONSIN MILWAUKEE   (United States)

^b OHIO STATE UNIVERSITY   (United States)

^c NORTHEASTERN UNIVERSITY   (United States)

^d VANDERBILT UNIVERSITY   (United States)

^e DURHAM UNIVERSITY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ASTRONOMY; COSMIC RAYS; GAMMA RAYS; HIGH ENERGY PHYSICS; PHOTOEXCITATION;

ENERGY SPECTRUM; OBSERVATIONAL ACTIVITY; PHOTODISINTEGRATION;

NUCLEAR PHYSICS;

EID: 33947607861     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.98.121101     Document Type: Article

References (19)

1. Instruments and sources are reviewed by R. Ong, Rapporteur Talk at the 29th International Cosmic Ray Conference (ICRC, Pune, India, 2005), CD-Rom, and archive at http://icrc2005.tifr.res.in.
2. G. Vacanti, Astrophys. J. 377, 467 (1991); ASJOAB 0004-637X 10.1086/170376
3. A.M. Hillas, Astrophys. J. 503, 744 (1998). ASJOAB 0004-637X 10.1086/306005
4. F.A. Aharonian, Very High Energy Cosmic γ Radiation: A Crucial Window on the Extreme Universe (World Scientific, Singapore, 2004).
5. A. Einstein, Ann. Phys. (Leipzig) ANPYA2 0003-3804 17, 891 (1905).
6. F.W. Stecker, Phys. Rev. 180, 1264 (1969). PHRVAO 0031-899X 10.1103/PhysRev.180.1264
7. See, e.g., S. Karakula, G. Kociolek, I.V. Moskalenko, and W. Tkaczyk, Astrophys. J. Suppl. Ser. 92, 481 (1994), and further references in our longer companion paper. APJSA2 0067-0049 10.1086/192001
8. L.A. Anchordoqui, J.F. Beacom, H. Goldberg, S. Palomares-Ruiz, and T.J. Weiler, astro-ph/0611581 [Phys. Rev. D (to be published)]. PRVDAQ 0556-2821
9. The interesting observation that the threshold for disintegration of heavy nuclei on starlight occurs at ∼ PeV and so may be related to the change of slope (the "knee") seen in the cosmic-ray spectrum, has been noted before in J. Candia, L.N. Epele, and E. Roulet, Astropart. Phys. 17, 23 (2002). APHYEE 0927-6505 10.1016/S0927-6505(01)00131-1
10. L.A. Anchordoqui, H. Goldberg, F. Halzen, and T.J. Weiler, Phys. Lett. B 593, 42 (2004). PYLBAJ 0370-2693 10.1016/j.physletb.2004.04.054
11. F. Aharonian (HEGRA Collaboration), Astron. Astrophys. 431, 197 (2005). AAEJAF 0004-6361 10.1051/0004-6361:20041552
12. H. Krawczynski, Astrophys. J. 601, 151 (2004); ASJOAB 0004-637X 10.1086/380393
13. M.K. Daniel, Astrophys. J. 621, 181 (2005); ASJOAB 0004-637X 10.1086/427406
14. M. Blazejowski, Astrophys. J. 630, 130 (2005). ASJOAB 0004-637X 10.1086/431925
15. F. Aharonian (H.E.S.S. Collaboration), Science 307, 1938 (2005); SCIEAS 0036-8075 10.1126/science.1108643
16. F. Aharonian Astron. Astrophys. 439, 1013 (2005). AAEJAF 0004-6361 10.1051/0004-6361:20053195
17. F.W. Stecker and M.H. Salamon, Astrophys. J. 512, 521 (1999); ASJOAB 0004-637X 10.1086/306816
18. J.L. Puget, F.W. Stecker, and J.H. Bredekamp, Astrophys. J. 205, 638 (1976). ASJOAB 0004-637X 10.1086/154321
19. S. Karakula and W. Tkaczyk, Astropart. Phys. 1, 229 (1993). APHYEE 0927-6505 10.1016/0927-6505(93)90023-7