Daniel De Marco. On the shape of the UHE cosmic ray spectrum. (astro-ph/0506318.)
David Eichler. Ultrahigh Energy Activity in Giant Magnetar Outbursts . (astro-ph/0504452.)
Pankaj Jain,
Sukanta Panda. Ultra High Energy Cosmic Rays from Early Decaying Primordial Black Holes. (astro-ph/0509324.)
Maxim Lyutikov, Rachid Ouyed. Inductive acceleration of UHECRs in sheared relativistic jets. (astro-ph/0507620, submitted to Astropart. Phys.)
A.Mattei. Ultra High Energy Cosmic Rays from charged black holes. A new
theoretical possibility?. (astro-ph/0505616, XXXX Rencontres de Moriond, Italie (2005).)
Guenter Sigl. Magnetized Sources of Ultra-high Energy Nuclei and Extragalactic
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Todor Stanev. High energy astrophysical processes . (astro-ph/0504401.)
Diego F. Torres, Luis A. Anchordoqui. On the Observational Status of Ultrahigh Energy Cosmic Rays and
their Possible Origin in Starburst-Like Galaxies. (astro-ph/0505283.)
2004
Matthew G. Baring. Diffusive Shock Acceleration of High Energy Cosmic Rays. (astro-ph/0409303, Nuclear Physics B,
Proceedings Supplements, CRIS 2004, Cosmic Ray
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Arnon Dar. The Origin of Cosmic Rays - A 96-Year-Old Puzzle Solved?. (astro-ph/0408310, proceedings of the 2004 La
Thuile Workshop on Perspectives In High energy Physics, La Thuile, Aosta
Valley, Italy, February 29-March 6, 2004 and of the 2004 Vulcano Workshop on
Frontier Objects in Particle Physics and Astro Physics, Vulcano, Italy, May
24-29, 2004.)
A. De Rujula. A Cannonball Model of Cosmic Rays. (hep-ph/0412094, XIII
International Symposium on Very High Energy Cosmic Ray Interactions, Pylos,
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M.Kachelriess, D.Semikoz. Ultra-high energy cosmic rays from a finite number of point sources. (astro-ph/0405258.)
A.Neronov, P.Tinyakov, I.Tkachev. TeV signatures of compact UHECR accelerators. (astro-ph/0402132).
Jacek Niemiec. Relativistic Shocks and Ultra High Energy Cosmic Ray Origin. (astro-ph/0407531, Proceedings of the Vulcano Workshop 2004 "Frontier Objects in
Astrophysics and Particle Physics", F. Giovannelli & G. Mannocchi (eds.),
Italian Physical Society, Editrice Compositori, Bologna, Italy.)
R.J. Protheroe. Effect of energy losses and interactions during diffusive shock
acceleration: applications to SNR, AGN and UHE Cosmic Ray. (astro-ph/0401523, submitted to Astroparticle Physics).
R.J. Protheroe. Effect of energy losses and interactions during diffusive shock acceleration: applications to SNR, AGN and UHE cosmic rays. (Astropart. Phys. 21 (2004) 415).
A.V. Uryson. The Maximum Energy and Spectra of Cosmic Rays Accelerated in Active Galactic
Nuclei. (astro-ph/0410662).
Tadeusz Wibig, Arnold W. Wolfendale. No 'cut off' in the High Energy Cosmic Ray Energy Spectrum. (astro-ph/0406511.)
2003
Gian Luigi Alberghi, Kevin Goldstein, David A. Lowe. Ultra High Energy Cosmic Rays and de Sitter Vacua. (A HREF="http://arXiv.org/abs/astro-ph/0307413">astro-ph/0307413.)
Peter L. Biermann, Gustavo Medina-Tanco. Ultra high energy cosmic ray sources & experimental results. (astro-ph/0301299, Invited Talk at the XII ISVHECRI (CERN,
Switzerland, 2002), to be published in Nuclear Phys. B (Proc. Suppl..)
Pasquale Blasi. Theoretical Aspects of Ultra-High Energy Cosmic Rays. (astro-ph/0304206, Invited Review Talk at the XXI Texas Symposium, December 2002,
Florence, Italy.)
Zhe Chang, Shao-Xia Chen. Effects of the Cosmological Constant as the Origin of the Cosmic-Ray Paradox. (astro-ph/0307439.)
Giller Maria, Michalak Wojciech, Smialkowski Andrzej. UHECR Anisotropy from Luminous Infrared Galaxies - Predictions for the
Pierre Auger Observatory. (astro-ph/0308532).
Je-An Gu. Kaluza-Klein Burst: a New Mechanism for Generating Ultrahigh-Energy Cosmic
Rays. (astro-ph/0305523.)
C. Isola, G. Sigl, G. Bertone. Ultra-High Energy Cosmic Rays from Quasar Remnants. (astro-ph/0312374, submitted to JCAP).
M. Kachelriess, D.V. Semikoz. Superheavy dark matter as UHECR source versus the SUGAR data. (astro-ph/0306282.)
Hang Bae Kim, Peter Tinyakov. Constraining superheavy dark matter model of UHECR with SUGAR data. (astro-ph/0306413.)
T. Kobayashi et al. The Most Likely Sources of High Energy Cosmic-Ray Electrons in Supernova
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Mikhail V. Medvedev. A Constraint on Electromagnetic Acceleration of Highest Energy Cosmic Rays. (astro-ph/0303271.)
R. Ouyed, P. Keränen, J. Maalampi. Ultra-high energy cosmic rays from Quark Novae. (astro-ph/0301575.)
Shwetabh Singh, Chung-Pei Ma, Jonathan Arons. amma-Ray Bursts and Magnetars as Possible Sources of Ultra High Energy
Cosmic Rays: Correlation of Cosmic Ray Event Positions with IRAS Galaxies. (astro-ph/0308257.)
B.T. Stokes, C.C.H. Jui, J.N. Matthews. Using Fractal Dimensionality in the Search for Source Models of Ultra-High
Energy Cosmic Rays. (astro-ph/0307491.)
George Svetlichny. Non-linear quantum mechanics and high energy cosmic rays. (hep-th/0305100.)
P. Tinyakov, I. Tkachev. Cuts and penalties: comment on ``The clustering of ultra-high energy cosmic
rays and their sources''. (astro-ph/0301336.)
A.V.Uryson. Possible Spectra of Cosmic Rays Accelerated in Extragalactic Sources. (astro-ph/0312618.)
A.V. Uryson. dentification of Nearby Active Galaxies as Sources of Cosmic Rays Above
4x10^19 ev. (astro-ph/0310520, To be published in Astronomical and
Astrophysical Transactions, 2003, v, 22, # 6).
A.V. Uryson. Nearby Seyfert galaxies are possible sources of cosmic rays above 4*10^19 eV: Updated Results. (astro-ph/0303347.)
2002
F.A. Aharonian et al. Constraints on the Extremely High-Energy Cosmic Ray Accelerators from Classical Electrodynamics. (astro-ph/0202229.)
Jonathan Arons. Magnetars in the Metagalaxy: An Origin for Ultra High Energy Cosmic Rays in
the Nearby Universe. (astro-ph/0208444).
V.Berezinsky, A.Z.Gazizov, S.I.Grigorieva. On astrophysical solution to ultra high energy cosmic rays. (hep-ph/0204357.)
Pisin Chen, Toshiki Tajima, Yoshiyuki Takahashi. Plasma Wakefield Acceleration for Ultrahigh Energy Cosmic Rays. (astro-ph/0205287.)
D.S.Gorbunov et al. Evidence for a connection between gamma-ray and highest-energy cosmic ray emissions by BL Lacs. (astro-ph/0204360.)
C.Isola, G.Sigl. Large scale magnetic fields and the number of cosmic ray sources above the GZK cutoff. Phys. Rev. D66 (2002) 083002.
Amir Levinson and Elihu Boldt. UHECR production by a compact black hole dynamo: application to Sgr A*. (Astropart. Phys. 16 (2002) 265.)
A. Meli, J.J. Quenby. Particle acceleration in ultra-relativistic oblique shock waves. (astro-ph/0212329.)
R. Schopper, G. Thorsten Birk, H. Lesch. High-energy hadronic acceleration in extragalactic radio jets. Astropart. Phys. 17 (2002) 347.
A. Smialkowski, M. Giller, W. Michalak. Luminous infrared galaxies as possible sources of the UHE cosmic rays. (astro-ph/0203337, Journal of Physics G.)
Diego F. Torres et al. Nearby quasar remnants and ultra-high energy cosmic rays. (astro-ph/0204419.)
2001
Luis A. Anchordoqui, Haim Goldberg, and Thomas J. Weiler. An Auger test of the Cen A model of highest energy cosmic rays. (astro-ph/0103043.)
Luis A. Anchordoqui et al. The Mysterious Ultrahigh Energy Cosmic Ray Clustering. (astro-ph/0106501.)
Luis Anchordoqui et al. Extragalactic Sources for Ultra High Energy Cosmic Ray Nuclei. (hep-ph/0107287.)
Elisabete M. de Gouveia Dal Pino, Alex Lazarian. Constraints on the Acceleration of Ultra-High-Energy Cosmic Rays in Accretion-Induced Collapse Pulsars. (astro-ph/0106452, ApJ in press.)
C.Isola, M.Lemoine, G.Sigl. Centaurus A as the source of UHECR. Phys. Rev. D65 (2001) 033004.
Oleg E. Kalashev et al. Ultra-High Energy Cosmic Rays from Neutrino Emitting Acceleration Sources?. (hep-ph/0112351.)
J.G. Kirk, R.O. Dendy. Shock Acceleration of Cosmic Rays - a critical review. (astro-ph/0101175, invited review presented at the 17th ECRS, Lodz, July 2000; to appear in Journal of Physics G: Nuclear and Particle Physics.)
C. Litwin, R. Rosner. Plasmoid impacts on neutron stars and highest energy cosmic rays. (astro-ph/0104090, accepted for publication in Phys. Rev. Lett.)
C. Litwin, R. Rosner. On a mechanism of highest-energy cosmic ray acceleration. (astro-ph/0104093, Proc. of 20th Texas Symposium on Relativistic Astrophysics.)
A. Meli, J.J. Quenby. Particle Energy And Acceleration Efficiencies In Highly Relativistic Shocks. (astro-ph/0101245.)
A. Meli, J.J. Quenby. Numerical Simulations Of Particle Acceleration In Relativistic Shocks With Application To AGN Central Engines. (astro-ph/0101247.)
M. Ostrowski, J. Bednarz. Comment on the first-order Fermi acceleration at ultra-relativistic shocks. (astro-ph/0101069.)
M. Ostrowski. Mechanisms and sites of ultra high energy cosmic ray origin. (astro-ph/0101053, Proceedings of the European Cosmic Ray Symposium, Lodz, 2000.)
Andreas Reisenegger. Magnetic Fields of Neutron Stars: an Overview. (astro-ph/0103010, "Magnetic Fields across the Hertzsprung-Russell Diagram", ASP Conference Series Vol. ???; G. Mathys, S. Solanki, & D. Wickramasinghe, editors.)
B. Rudak. Neutron Stars as Sources of High Energy Particles - the case of RPP. (astro-ph/0101138, International School ``Physics and Astrophysics of Ultra High Energy Cosmic Rays", June 2000, Paris-Meudon (France), proceedings to appear in Lecture Notes in Physics (Springer).)
Rüdiger Schopper, Guido Thorsten Birk, Harald Lesch. High Energy Hadronic Acceleration in Extragalactic Radio Jets. (astro-ph/0106530.)
P.G. Tinyakov, I. I. Tkachev. BL Lacertae are sources of the observed ultra-high energy cosmic rays. (astro-ph/0102476.)
2000
Felix Aharonian. TeV Gamma Rays from BL Lac Objects due to Synchrotron Radiation of Extremely High Energy Protons. (astro-ph/0003159, New Astronomy, 5 (2000) 377.)
L. A. Anchordoqui et al. A pot of gold at the end of the cosmic "raynbow"?. (astro-ph/0006071.)
Janusz Bednarz. Cosmic ray acceleration at relativistic and ultrarelativistic shock waves. (astro-ph/0005075, PhD thesis.)
Michael Blanton, Pasquale Blasi, Angela V. Olinto. The GZK Feature in our Neighborhood of the Universe. (astro-ph/0009466.)
Elihu Boldt, Michael Loewenstein. Cosmic Ray Generation by Quasar Remnants: Constraints and Implications. (astro-ph/0006221, accepted for publication in MNRAS.)
Arnon Dar. Comment on ``Violation of the Greisen-Zatsepin-Kuzmin Cutoff: A Tempest in a (Magnetic) Teapot? Why Cosmic Ray Energies above $10^{20}$ eV May Not Require New Physics''. (astro-ph/0006013.)
G.R.Farrar, T.Piran. Violation of the Greisen-Zatsepin-Kuzmin Cutoff: A Tempest in a (Magnetic) Teapot? Why Cosmic Ray Energies above 1020 eV May Not Require New Physics. Phys. Rev. Lett. 84 (2000) 3527. [See astro-ph/0006013 (Arnon Dar) for critical comments.]
G.R.Farrar, T.Piran. Deducing the Source of Ultrahigh Energy Cosmic Rays. (astro-ph/0010370.) [The powerful radio galaxy Cen A, at 3.4 Mpc, the probable source of most UHECRs observed at Earth today.]
Z. Fodor, S. D. Katz. Ultra High Energy Cosmic Rays from Compact Sources. (hep-ph/0007158.)
Graciela B. Gelmini. Super-Kamiokande 0.07 eV Neutrinos in Cosmology: Hot Dark Matter and the Highest Energy Cosmic Rays. (hep-ph/0005263.)
U. D. J. Gieseler, T. W. Jones. First order Fermi acceleration at multiple oblique shocks. (astro-ph/0003082.)
E. M. de Gouveia Dal Pino, A. Lazarian. Ultra-High-Energy Cosmic Ray Acceleration by Magnetic Reconnection in Newborn Accretion Induced Collapse Pulsars.
(astro-ph/0002155, submitted to ApJ letters.)
E. M. de Gouveia Dal Pino, A. Lazarian. Ultra-High-Energy Cosmic Ray Acceleration by Magnetic Reconnection in Newborn Pulsars. (astro-ph/0002158, Proc. "Astrophysical Plasmas: Codes, Models & Observations".)
R. V. Konoplich, S. G. Rubin. Possible Signature of Low Scale Gravity in Ultra High Enegry Cosmic Rays. (astro-ph/0005225.)
Amir Levinson. TeV Emission by Ultra-High Energy Cosmic Rays in Nearby, Dormant AGNs. (hep-ph/0002020.)
Amir Levinson, Elihu Boldt. UHECR Production by a Compact Black-Hole Dynamo: Application to Sgr A*. (astro-ph/0012314, submitted to Astroparticle Physics.)
Amir Levinson. UHECR Production and Curvature TeV Emission in Nearby, Dormant AGNs. (astro-ph/0009383.)
Esteban Roulet, Diego Harari, Silvia Mollerach. The most energetic particles in the universe. (hep-ph/0001328, submitted to World Scientific.)
G. Siemieniec, M. Ostrowski. On energy spectra of UHE cosmic rays accelerated in supergalactic accretion flows. (astro-ph/0002075.)
Guenter Sigl, Diego Torres, Luis Anchordoqui, Gustavo Romero. Testing the Correlation of Ultra-High Energy Cosmic Rays with High Redshift Sources. (astro-ph/0008363).
R. Ugoccioni, L. Teodoro, U. Wichoski. Large Scale Structure and Cosmic Rays revisited. (astro-ph/0011171, proceedings of "Third International Workshop on New Worlds in Astro-Particle Physics", 1-3 Sep. 2000, Faro, Portugal and X ENAA, 27-28 Jul. 2000, Lisbon, Portugal.) [Possibility that ultra high energy cosmic rays (E > 10^19 eV) are related to the distribution of matter on large scales.]
Mario Vietri. On the universality of the spectrum of cosmic rays accelerated at highly relativistic shocks. (astro-ph/0002269, Submitted to ApJ Letters.)
Amitabh Virmani et al. Correlation of Ultra High Energy Cosmic Rays with Compact Radio Loud Quasars. (astro-ph/0010235.)
1999
Eun-Joo Ahn, Gustavo Medina-Tanco, Peter L. Biermann, Todor Stanev. The origin of the highest energy cosmic rays Do all roads lead back to Virgo?. (astro-ph/9911123 Physical Review Letters, submitted.)
Luis A. Anchordoqui, Gustavo E. Romero, and Jorge A. Combi. Heavy nuclei at the end of the cosmic ray spectrum?. (astro-ph/9903145.)
L. A. Anchordoqui et al. Unmasking the tail of the cosmic ray spectrum. (astro-ph/9912081.)
John N. Bahcall, Eli Waxman. Ultra-high energy cosmic rays may come from clustered sources. (hep-ph/9912326.)
Matthew G. Baring. Cosmic Ray Origin, Acceleration and Propagation. (astro-ph/9912058, Summary-Rapporteur Volume of the 26th International Cosmic Ray Conference, Salt Lake City.)
Aurelien Barrau. Primordial black holes as a source of extremely high energy cosmic rays. (astro-ph/9907347, Astroparticle Physics 12 (2000) 269.)
J.Bednarz, M.Ostrowski. Efficiency of cosmic ray reflections from an ultrarelativistic shock wave.
(astro-ph/9909430, accepted for publication in MNRAS (Letters).)
R.D.Blanford. Acceleration of the Ultra High Energy Cosmic Rays. (astro-ph/9906026, Particle Physics and the Universe, Proceedings of the Nobel Symposium (Enkoping, Sweden, 20-25 August 1998), published in the Topical issue #T85 (2000), Physica Scripta. Editors L.Bergstrom, P.Carlson. & C.Fransson.)
P. Blasi, R. I. Epstein, A. V. Olinto. Ultra-High Energy Cosmic Rays from Young Neutron Star Winds. (astro-ph/9912240.)
Elihu Boldt and Pranab Ghosh. Cosmic rays from remnants of quasars? (astro-ph/9902342. To be published in Mon. Not. Roy. Astr. Soc.)
Arnon Dar, A. De Rújula, Nikos Antoniou. A common origin of all the species of high energy cosmic rays?. (astro-ph/9901004.)
Glennys R. Farrar, Tsvi Piran. GZK Violation - a Tempest in a (Magnetic) Teapot?. (astro-ph/9906431.)
G. Henri, G. Pelletier , P. O. Petrucci , N. Renaud. Active Galactic Nuclei as High Energy Engines. (astro-ph/9901051.)
M. A. Malkov et al. Critical self-organization of astrophysical shocks. (astro-ph/9910326, Submitted to ApJL.)
Gustavo Medina Tanco, Alan A. Watson. Dark matter halos and the anisotropy of ultra-high energy cosmic rays. (astro-ph/9903182, Astropart. Phys. 12 (1999) 25.)
Gustavo A. Medina Tanco, Elisabete M. de Gouveia Dal Pino, Jorge E. Horvatth. Origin and Propagation of Ultra-High Energy Cosmic Rays. (astro-ph/9901053.) [Proc. of the 1998 International Congress on Plasma Physics, Ed. P. Pavlo, Europhysics Conf. Abs. (EPS Publ.), vol. 22C, pp.1091-1094.]
A. A. Mikhailov. Search for Sources of Ultrahigh Energy Cosmic Rays. (astro-ph/9906302, to appear in Proceedings of 26th ICRC - Salt Lake City.) [Correlations between UHECR directions and pulsars.]
A. Muecke et al. Photomeson production in astrophysical sources. (astro-ph/9905153, Proc. 19th Texas Symposium on on Relativistic Astrophysics and Cosmology, Paris, France, Dec. 1998.)
A. V. Olinto, R. I. Epstein, P. Blasi. Galactic Ultra-High-Energy Cosmic Rays. (astro-ph/9906338, to appear in the Proceedings of the 26th ICRC.)
Angela V. Olinto. Ultra High Energy Cosmic Ray Accelerators. (astro-ph/9911154, presented at "Highly Energetic Physical Processes and Mechanisms for Emissions from Astrophysical Plasmas", IAU Colloquium 195, P.C.H. Martens and S. Tsuruta eds.)
M. Ostrowski. Energetic particle acceleration in shear layers. (astro-ph/9911091.
F. W. Stecker. Gamma-Ray Bursts Cannot Produce the Observed Cosmic Rays Above $10^{19}$ eV. (astro-ph/9911269.)
Anatoli Vankov. On the Cosmological Aspects of Observed High Energy Cosmic Phenomena. (astro-ph/9904045, submitted to the ANS Centennial Meeting, March 20 - 26, 1999, Atlanta, Georgia.)
1998
L. A. Anchordoqui et al. High energy protons from PKS 1333-33. (astro-ph/9811378.) [Possible acceleration of protons in the outer radio lobes of the active galaxy PKS 1333-33 that may reach energies above GZK.]
Luis A. Anchordoqui. From 3K to $10^{20}$eV. (astro-ph/9812445.) [PhD Thesis (summary).]
V. Berezinsky. Ultra High Energy Cosmic Rays. (hep-ph/9802351,
Invited talk at TAUP-97). [A review of all the current theories and models
attempting to explain the origin of the highest energy cosmic rays.]
V. Berezinsky, A. A. Mikhailov. Anisotropy of ultra high energy cosmic rays in the halo models. (astro-ph/9810277.)
Pijushpani Bhattacharjee, Guenter Sigl. Origin and Propagation of Extremely High Energy Cosmic Rays. (astro-ph/9811011.) [Physics Reports, 327 (2000) 109-247.]
Pasquale Blasi, Angela V. Olinto. A Magnetized Local Supercluster and the Origin of the Highest Energy Cosmic Rays (astro-ph/9806264.)
Glennys R. Farrar, Peter L. Biermann. Correlation between Compact Radio Quasars and Ultra-High Energy Cosmic Rays (astro-ph/9806242.) [Correlations found between the five highest energy cosmic rays and radio-loud quasars, with a very good statistical significance.]
Yves A. Gallant, Abraham Achterberg. Ultra-high-energy cosmic ray acceleration by relativistic blast waves. (astro-ph/9812316. Accepted for MNRAS (Letters).)
Kouveliotou et al. Discovery of a magnetar associated with the Soft Gamma Repeater SGR 1900+14. (astro-ph/9809140.). Nature 393 (1998) 235. [Observation of a "magnetar", a pulsar with very high magnetic field, one of the most efficient accelerators with one-shot mechanism.]
Gustavo A. Medina Tanco. The photodisintegration of cosmic ray nuclei by solar photons: the Gerasimova-Zatsepin effect revisted. (astro-ph/9808033.)
D. V. Nanopoulos. Cryptons: a stringy form of decaying superheavy dark matter, as a source of the ultra high energy cosmic rays. (hep-ph/9809546.) [Talk given at the R. Arnowitt Fest: A Symposium on Supersymmetry and Gravitation, College Station, TX 5-7 April 1998.]
M.Ostrowski. Acceleration of UHE Cosmic Ray Particles at Relativistic Jets in Extragalactic Radio Sources. (astro-ph/9803299).
Ray Protheroe. Acceleration and Interaction of Ultra High Energy Cosmic Rays. (astro-ph/9812055.) [Chapter in "Topics in cosmic-ray astrophysics" ed. M. A. DuVernois, Nova Science Publishing: New York, 1999.]
1997
L.Anchordoqui et al. Opacity of the microwave background radiation to ultra-high energy cosmic rays. Nucl. Phys. 52B (Proc. Supp.) (1997) 249.
John D. Barrow, Pedro G. Ferreira, Joseph Silk. Constraints on a
Primordial Magnetic Field. astro-ph/9701063 (astro-ph/9701063). Submitted to PRL.
P.Biermann. J. Phys. G. 23 (1997) 1. [Radio Galaxy Lobes as a possible site of acceleration fur the UHECR.]
G. Burdman, F. Halzen, R. Gandhi.The Highest Energy Cosmic Rays and Particle Physics.
(hep-ph/9709399).
[Is there any new particle physics outcome expected from the EHECRs? The answer
is, here: probably not.]
A.P.Fairall, P.A.Woudt, R.C.Kraan-Korteweg. Extragalactic Large Scale Structures behind the southern Milky-Way.
(astro-ph/9705152). [New observations confirming massive structures of galaxies in the direction of galactic center (Great Attractor).]
G.A.Medina Tanco, E.M.de Gouveia Dal Pino. Galactic Diffuse gamma-ray
Emission at TeV Energies and the Ultra-High Energy Cosmic Rays. (astro-ph/9707023, to appear in
Proceedings of Fourth Compton Symposium - AIP. July 1997.)
F. W. Stecker. On the Origin of the Highest Energy Cosmic Rays
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[This article argues that the EHECR can be heavy nuclei coming from as far as
100 Mpc distances.]
Jacek Szabelski.Cosmic Rays: Studying the Origin. (astro-ph/971019).
[A very detailed (60 pages) investigation of the origin of cosmic rays from the
lowest energy gamma-ray astronomy to the EHECR observations.]
1996
G.Cocconi. About the most energetic cosmic rays. Astropart.
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F.Halzen. The Search for the Source of the Highest Energy Cosmic
Rays. Talk presented at the International Workshop "New Worlds in
Astroparticle Physics", Faro, Portugal, Sept. 8-10, 1996
(astro-ph/9704020).
F.Halzen. Active Galaxies as particle accelerators.
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H.Kang, D.Ryu, T.W.Jones. Ap. J. 456 (1996) 422. [Accretion shocks as the acceleration mechanism; not enough for the highest energies.]
R.J.Protheroe. Origin and propagation of the highest energy cosmic
rays. 21 Dec 1996. (astro-ph/9612212. Proceedings of
"Towards the Millennium in Astrophysics: Problems and Prospects", Erice 1996,
eds. M.M. Shapiro and J.P.Wefel, World Scientific, Singapore.) [A detailed
overview of shock acceleration, interactions of high energy cosmic rays with,
and propagation through, the background radiation, and the resulting
electron-photon cascade. It seems likely that shock acceleration at
Fanaroff-Riley Class II radio galaxies can account for the existing data.]
R.J.Protheroe. Astrophysical sources of high energy neutrinos. 21
Dec 1996. (astro-ph/9612213. To be published in Towards the Millennium in Astrophysics: Problems and Prospects, Erice 1996, eds. M.M.Shapiro and J.P.Wefel, World Scientific, Singapore.) [A critical review of the
predicted intensity of diffuse high energy neutrinos of astrophysical origin
over the energy range from 10**12 eV to 10**24 eV.]
G.E.Romero et al. Centaurus A as a source of extragalactic cosmic rays
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T.Stanev, H.P.Vankov. The nature of the highest energy cosmic rays.
(astro-ph/9607011.) [Identification of gamma initiated cosmic rays from hadrons using interaction properties with earth's
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A.Venkatesan, M.C.Miller & A.V.Olinto. Constraints on the Production
of Ultra-High-Energy Cosmic Rays by Isolated Neutron Stars. 21 December
1996. Submitted to Astroph. J. (astro-ph/9612210). [Strong constraints are put on any model of UHECRS involving isolated neutron stars. It is shown that the only viable power source associated with isolated neutron
stars is rotation.]
1995
C.A.Norman et al. The origin of cosmic rays above 1018.5
eV. Astrophys. J. 454 (1995) 60. [A comprehensive review of all the
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C.M.Urry, P.Padovani. Unified Schemes for Radio-Loud Active Galactic
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