tipa -- 3/18/2009

Blazar halos as probe for extragalactic magnetic fields and maximal acceleration energy

• Authors: K. Dolag, M. Kachelriess, S. Ostapchenko, R. Tomas

Simultaneous observations of PKS 2155-304 with H.E.S.S., Fermi, RXTE and ATOM: spectral energy distributions and variability in a low state

• Authors: H.E.S.S., Fermi-LAT collaborations

Radio emission and nonlinear diffusive shock acceleration of cosmic rays in the supernova SN 1993J

• Authors: Vincent Tatischeff

Rise and fall of the X-ray flash 080330: an off-axis jet?

• Authors: C. Guidorzi, C. Clemens, S. Kobayashi, J. Granot, A. Melandri, P. D'Avanzo, N.P.M. Kuin, A. Klotz, J.P.U. Fynbo, S. Covino, J. Greiner, D. Malesani, J. Mao, C.G. Mundell, I.A. Steele, P. Jakobsson, R. Margutti, D. Bersier, S. Campana, G. Chincarini, V. D'Elia, D. Fugazza, F. Genet, A. Gomboc, T. Kruehler, A. Kupcu Yoldacs, A. Moretti, C.J. Mottram, P.T. O'Brien, R. J. Smith, G. Szokoly, G. Tagliaferri, N.R. Tanvir, N. Gehrels

Limits on the WIMP-nucleon scattering cross-section from neutrino telescopes

• Authors: G. Wikström, J. Edsjö

tipa -- 3/17/2009

Klein-Nishina effects on Synchrotron and Synchrotron self-Compton spectrum

• Authors: Ehud Nakar, Shin'ichiro Ando, Re'em Sari

The origin of the positron excess in cosmic rays

• Authors: Pasquale Blasi (INAF/Arcetri)

Identifying Dark Matter Annihilation Products In The Diffuse Gamma Ray Background

• Authors: Scott Dodelson, Alexander V. Belikov, Dan Hooper, Pasquale Serpico

tipa -- 3/16/2009

A search for muon neutrino and antineutrino disappearance in MiniBooNE

• Authors: MiniBooNE Collaboration

Magnetic fields and cosmic rays in clusters of galaxies

• Authors: Doron Kushnir (1), Boaz Katz (1), Eli Waxman (1) ((1) Physics Faculty, Weizmann Institute of Science)

NSE neutrino spectrum

• Authors: Andrzej Odrzywolek

classic papers of the week -- 97

The Fate of the False Vacuum: Semiclassical Theory

• Sidney R. Coleman (Lyman Laboratory of Physics, Harvard University, Cambridge, MA)

Galactic Bridges and Tails

• Toomre, Alar; Toomre, Juri

Energy Loss of Slowly Moving Magnetic Monopoles in Matter

• Sidney D. Drell (Stanford Linear Accelerator Center) , Norman M. Kroll (Stanford Linear Accelerator Center & Department of Physics, University of California, San Diego) , Mark T. Mueller (Institute for Theoretical Physics and Department of Physics, Stanford University) , Stephen J. Parke (Stanford Linear Accelerator Center) , Malvin H. Ruderman (Department of Physics, Columbia University)

tipa -- 3/13/2009

GRB 080916C: on the radiation origin of the prompt emission from KeV/MeV to GeV

• Authors: Xiang-Yu Wang (NJU), Zhuo Li (PKU), Zi-Gao Dai (NJU), Peter Meszaros (PSU)

The Star Formation and Nuclear Accretion Histories of Normal Galaxies in the AGES Survey

• Authors: Casey R. Watson, Christopher S. Kochanek, William R. Forman, Ryan C. Hickox, Christine J. Jones, Michael J. I. Brown, Kate Brand, Arjun Dey, Buell T. Jannuzi, Almus T. Kenter, Steve S. Murray, Alexey Vikhlinin, Daniel J. Eisenstein, Giovani G. Fazio, Paul J. Green, Brian R. McNamara, Marcia Rieke, Joseph C. Shields

tipa -- 3/12/2009

The Runaway White Dwarf LP400-22 Has a Companion

• Authors: Mukremin Kilic, Warren R. Brown, Carlos Allende Prieto, B. Swift, S. J. Kenyon, J. Liebert, M. A. Agueros

Secondary radiation from the Pamela/ATIC excess and relevance for Fermi

• Authors: E.Borriello, A.Cuoco, G.Miele

X-ray Spectral Variations in the Youngest Galactic Supernova Remnant G1.9+0.3

• Authors: S.P. Reynolds, K.J. Borkowski, D.A. Green, U. Hwang, I. Harrus, R. Petre

tipa -- 3/11/2009

Variable polarization measured in the prompt emission of GRB 041219A using IBIS on board INTEGRAL

• Authors: D. Gotz, P. Laurent, F. Lebrun, F. Daigne, Z. Bosnjak

Fermi/LAT discovery of gamma-ray emission from the flat-spectrum radio quasar PKS 1454-354

• Authors: The Fermi/LAT Collaboration: A. A. Abdo, et al, P.G. Edwards, M.M. Chester, D.N. Burrows, M. Hauser, S. Wagner

tipa -- 3/10/2009

Discovery of very high energy gamma-ray emission from Centaurus A with H.E.S.S

• Authors: HESS Collaboration: F. Aharonian, et al

Discovery of Pulsed Gamma Rays from the Young Radio Pulsar PSR J1028-5819 with the Fermi Large Area Telescope

• Authors: The Fermi-LAT Collaboration

Some Comments on Possible Preferred Directions for the SETI Search

• Authors: Shmuel Nussinov

tipa -- 3/9/2009

Globular Clusters as Testbeds for Type Ia Supernovae

• Authors: Eric Pfahl, Evan Scannapieco, Lars Bildsten

Upper limit on the cosmic-ray photon fraction at EeV energies from the Pierre Auger Observatory

• Authors: The Pierre Auger Collaboration

SN 2008S: an electron capture SN from a super-AGB progenitor?

• Authors: M.T. Botticella, A. Pastorello, S.J. Smartt, W. P. S. Meikle, S. Benetti, R. Kotak, E. Cappellaro, R. M. Crockett, S. Mattila, M. Sereno, F. Patat, D. Tsvetkov, J. Th. Van Loon, D. Abraham, I. Agnoletto, R. Arbour, C. Benn, G. Di Rico, N. Elias-Rosa, D.L. Gorshanov, A. Harutyunyan, D. Hunter, V. Lorenzi, F. P. Keenan, K. Maguire, J. Mendez, M. Mobberley, H. Navasardyan, C. Ries, V. Stanishev, S. Taubenberger, C. Trundle, M. Turatto, I.M. Volkov

tipa -- 3/6/2009

Are Neutrinos Their Own Antiparticles?

• Authors: Boris Kayser

The Physics of Cosmic Acceleration

• Authors: Robert R. Caldwell, Marc Kamionkowski

Study of the acoustic signature of UHE neutrino interactions in water and ice

• Authors: S. Bevan, S. Danaher, J. Perkin, C. Rhodes, T. Sloan, L. Thompson, O. Veledar, D. Waters

tipa -- 3/5/2009

Search for Neutrinos from GRB 080319B at Super-Kamiokande

• Authors: The Super-Kamiokande Collaboration: E.Thrane, et al

Segue 2: A Prototype of the Population of Satellites of Satellites

• Authors: V. Belokurov (1), M.G. Walker (1), N.W. Evans (1), G. Gilmore (1), M.J. Irwin (1), M. Mateo (2), L. Mayer (3), E. Olszewski (4), J. Bechtold (4), T. Pickering (5) ((1) Cambridge, (2) Univ of Michigan, (3) Zurich, (4) Steward Observatory, (5) MMT Observatory)

Search for Proton Decay via p -> e^+ pi^0 and p -> mu^+ pi^0 in a Large Water Cherenkov Detector

• Authors: The Super-Kamiokande Collaboration: H. Nishino, S. Clark, et al

Thermal Geo-axions

• Authors: Hooman Davoudiasl, Patrick Huber

tipa -- 3/4/2009

Did the Milky Way dwarf satellites enter the halo as a group?

• Authors: Manuel Metz, Pavel Kroupa, Christian Theis, Gerhard Hensler, Helmut Jerjen

Substructure Boosts to Dark Matter Annihilation from Sommerfeld Enhancement

• Authors: Jo Bovy

Collider, direct and indirect detection of supersymmetric dark matter

• Authors: Howard Baer, Eun-Kyung Park, Xerxes Tata

tipa -- 3/3/2009

Discovery of new gamma-ray pulsars with AGILE

• Authors: A. Pellizzoni, M. Pilia, A. Possenti, A. Chen, A. Giuliani, A. Trois, P. Caraveo, E. Del Monte, F. Fornari, F. Fuschino, S. Mereghetti, M. Tavani, A. Argan, M. Burgay, I. Cognard, A. Corongiu, E. Costa, N. D'Amico, A. De Luca, P. Esposito, Y. Evangelista, M. Feroci, S. Johnston, M. Kramer, F. Longo, M. Marisaldi, G. Theureau, P. Weltevrede, G. Barbiellini, F. Boffelli, A. Bulgarelli, P. W. Cattaneo, V. Cocco, F. D'Ammando, G. De Paris, G. Di Cocco, I. Donnarumma, M. Fiorini, T. Froysland, M. Galli, F. Gianotti, C. Labanti, I. Lapshov, F. Lazzarotto, P. Lipari, T. Mineo, A. Morselli, L. Pacciani, F. Perotti, G. Piano, P. Picozza, M. Prest, G. Pucella, M. Rapisarda, A. Rappoldi, S. Sabatini, P. Soffitta, M. Trifoglio, E. Vallazza, S. Vercellone, V. Vittorini, A. Zambra, D. Zanello, C. Pittori, F. Verrecchia, B. Preger, P. Santolamazza, P. Giommi, L. Salotti, G. F. Bignami

Searches for Supersymmetry at High-Energy Colliders

• Authors: Jonathan L. Feng, Jean-Francois Grivaz, Jane Nachtman

tipa -- 3/2/2009

Upper Limit on Dimming of Cosmological Sources by Intergalactic Grey Dust from the Soft X-ray Background

• Authors: Mark Dijkstra, Abraham Loeb

Fast radiation mediated shocks and supernova shock breakouts

• Authors: Boaz Katz, Ran Budnik, Eli Waxman

Indirect Dark Matter Detection from Dwarf Satellites: Joint Expectations from Astrophysics and Supersymmetry

• Authors: Gregory D. Martinez, James S. Bullock, Manoj Kaplinghat, Louis E. Strigari, Roberto Trotta

Mimicking diffuse supernova antineutrinos with the Sun as a source

• Authors: Georg Raffelt, Timur Rashba

Bounds on Cross-sections and Lifetimes for Dark Matter Annihilation and Decay into Charged Leptons from Gamma-ray Observations of Dwarf Galaxies

• Authors: Rouven Essig, Neelima Sehgal, Louis E. Strigari (SLAC/KIPAC)

classic papers of the week -- 96

On the Construction of the Heavens

• William Herschel, Esq. F. R. S.

A Theory of Electrons and Protons

• P.A.M. Dirac (St. John’s College, Cambridge)

Wormholes in spacetime and their use for interstellar travel: a tool for teaching general relativity

• Morris, M. S.; Thorne, K. S. (Theoretical Astrophysics, California Institute of Technology, Pasadena, CA)

tipa -- 2/27/2009

A submillimetre galaxy at z=4.76 in the LABOCA survey of the Extended Chandra Deep Field South

• Authors: Kristen Coppin (1), Ian Smail (1), David M. Alexander (1), Axel Weiss (2), Fabian Walter (3), Mark Swinbank (1), Thomas Greve (3), Attila Kovacs (2), Carlos De Breuck (4), Mark Dickinson (5), Edo Ibar (6), Rob Ivison (6,7), Naveen Reddy (5), Hyron Spinrad (8), Daniel Stern (9), Niel Brandt (10), Scott Chapman (11), Helmut Dannerbauer (3), Pieter van Dokkum (13), James Dunlop (6), David Frayer (12), Eric Gawiser (14), James Geach (1), Minh Huynh (12), Kirsten Knudsen (15), Anton Koekemoer (16), Bret Lehmer (1), Karl Menten (2), Casey Papovich (17), Hans-Walter Rix (3), Eva Schinnerer (3), Julie Wardlow (1), Paul van der Werf (18) ((1) Durham, (2) MPIfR, (3) MPIfA, (4) ESO, (5) NOAO, (6) ROE, (7) UK-ATC, (8) UCB, (9) Caltech, (10) UPenn, (11) IoA, Cambridge, (12) IPAC, (13) Yale, (14) Rutgers, (15) Bonn, (16) STScI, (17) Texas A&M, (18) Leiden)

Interactions of UHE cosmic ray nuclei with radiation during acceleration: consequences on the spectrum and composition

• Authors: D. Allard, R. J. Protheroe

Search for Axions with the CDMS Experiment

• Authors: CDMS Collaboration

Implications of a Scalar Dark Force for Terrestrial Experiments

• Authors: Sean M. Carroll, Sonny Mantry, Michael J. Ramsey-Musolf

tipa -- 2/26/2009

Modeling Spectral Variability of Prompt GRB Emission within the Jitter Radiation Paradigm

• Authors: Mikhail V. Medvedev, Sriharsha S. Pothapragada, Sarah J. Reynolds (KU)

Constraining the Sommerfeld enhancement with Cherenkov telescope observations of dwarf galaxies

• Authors: Lidia Pieri (IAP), Massimiliano Lattanzi (Oxford U. & INFN), Joseph Silk (Oxford U.)

tipa -- 2/25/2009

Neutrino diagnostics of ultra-high energy cosmic ray protons

• Authors: Markus Ahlers, Luis A. Anchordoqui, Subir Sarkar

Dark Matter Disc Enhanced Neutrino Fluxes from the Sun and Earth

• Authors: Tobias Bruch, Annika H. G. Peter, Justin Read, Laura Baudis, George Lake

The Reddening Towards Cassiopeia A's Supernova: Constraining the 56Ni Yield

• Authors: Kristoffer A. Eriksen (1), David Arnett (1), Donald W. McCarthy (1), Patrick Young (2), ((1) Steward Observatory, University of Arizona, (2) School of Earth and Space Exploration, Arizona State University)

A Smoking Gun in the Carina Nebula

• Authors: Kenji Hamaguchi, Michael F. Corcoran, Yuichiro Ezoe, Leisa Townsley, Patrick Broos, Robert Gruendl, Kaushar Vaidya, Stephen M. White, Tod Strohmayer, Rob Petre, You-Hua Chu

tipa -- 2/24/2009

An Imaging and Spectroscopic Study of Four Strong MgII Absorbers Revealed By GRB060418

• Authors: L. K. Pollack (1), H.-W. Chen (2), J. X. Prochaska (1,3), J. S. Bloom (4) ((1) UC Santa Cruz, (2) KICP/UChicago, (3) UCO/Lick, (4) UC Berkeley)

Intermediate Mass Black Holes and Nearby Dark Matter Point Sources: A Myth-Buster

• Authors: Torsten Bringmann, Julien Lavalle, Pierre Salati

tipa -- 2/23/2009

The Detection of Inside-out Disk Growth in M33

• Authors: Benjamin F. Williams, Julianne J. Dalcanton, Andrew E. Dolphin, Jon Holtzman, Ata Sarajedini