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

classic papers of the week -- 95

Rotating Neutron Stars as the Origin of the Pulsating Radio Sources

• Gold, T. (Center for Radiophysics and Space Research, Cornell University, Ithaca, NY)

Chirality invariance and the universal Fermi interaction

• E.C.G. Sudarshan (Harvard University, Cambridge, MA), R.e. Marshak (University of Rochester, Rochester, NY)

Collision frequency of artificial satellites: The creation of a debris belt

• Kessler, Donald J.; Cour-Palais, Burton G. (NASA Johnson Space Center, Houston, TX)

tipa -- 2/20/2009

NTT, Spitzer and Chandra spectroscopy of SDSSJ095209.56+214313.3: the most luminous coronal-line supernova ever observed, or a stellar tidal disruption event?

• Authors: S. Komossa, H. Zhou, A. Rau, M. Dopita, A. Gal-Yam, J. Greiner, J. Zuther, M. Salvato, D. Xu, H. Lu, R. Saxton, M. Ajello

An Antarctic ice core recording both supernovae and solar cycles

• Authors: Yuko Motizuki, Kazuya Takahashi, Kazuo Makishima, Aya Bamba, Yoichi Nakai, Yasushige Yano, Makoto Igarashi, Hideaki Motoyama, Kokichi Kamiyama, Keisuke Suzuki, Takashi Imamura

tipa -- 2/19/2009

Explaining the Observed Lyman Alpha `Blobs' as Cold Streams of Gas in the Halos of Galaxies

• Authors: Mark Dijkstra, Abraham Loeb

Discovery of a 112 ms X-ray Pulsar in Puppis A: Further Evidence of Neutron Stars Weakly Magnetized at Birth

• Authors: E. V. Gotthelf, J. P. Halpern (Columbia U.)

tipa -- 2/18/2009

The Stellar Ancestry of Supernova Progenitors in the Magellanic Clouds - I. the Most Recent Supernovae in the Large Magellanic Cloud

• Authors: Carles Badenes, Jason Harris, Dennis Zaritsky, Jose Luis Prieto

First AGILE Catalog of High Confidence Gamma-Ray Sources

• Authors: C. Pittori, F. Verrecchia, A. W. Chen, A. Bulgarelli, A. Pellizzoni, A. Giuliani, S. Vercellone, F. Longo, M. Tavani, P. Giommi, G. Barbiellini, M. Trifoglio, F. Gianotti, A. Argan, A. Antonelli, F. Boffelli, P. Caraveo, P. W. Cattaneo, V. Cocco, S. Colafrancesco, E. Costa, S. Cutini, F. D'Ammando, E. Del Monte, G. De Paris, G. Di Cocco, G. Di Persio, I. Donnarumma, Y. Evangelista, G. Fanari, M. Feroci, A. Ferrari, M. Fiorini, F. Fornari, F. Fuschino, T. Froysland, M. Frutti, M. Galli, D. Gasparrini, C. Labanti, I. Lapshov, F. Lazzarotto, F. Liello, P. Lipari, E. Mattaini, M. Marisaldi, M. Mastropietro, A. Mauri, F. Mauri, S. Mereghetti, E. Morelli, E. Moretti, A. Morselli, L. Pacciani, F. Perotti, G. Piano, P. Picozza, C. Pontoni, G. Porrovecchio, B. Preger, M. Prest, R. Primavera, G. Pucella, M. Rapisarda, A. Rappoldi, E. Rossi, A. Rubini, S. Sabatini, P. Santolamazza, P. Soffitta, S. Stellato, F. Tamburelli, A. Traci, A. Trois, E. Vallazza, V. Vittorini, A. Zambra, D. Zanello, L. Salotti

tipa -- 2/17/2009

The Dynamics and Afterglow Radiation of Gamma-Ray Bursts: A Numerical Approach

• Authors: Weiqun Zhang (NYU), Andrew MacFadyen (NYU)

Limits on a muon flux from neutralino annihilations in the Sun with the IceCube 22-string detector

• Authors: R. Abbasi, et al. (IceCube collaboration)

Galaxy-Induced Transformation of Dark Matter Halos

• Authors: Mario G. Abadi, Julio F. Navarro, Mark Fardal, Arif Babul, Matthias Steinmetz

Measurement of the Cosmic Ray and Neutrino-Induced Muon Flux at the Sudbury Neutrino Observatory

• Authors: SNO Collaboration

tipa -- 2/16/2009

Gamma-ray variability from wind clumping in HMXBs with jets

• Authors: S. P. Owocki, G. E. Romero, R. H. D.Townsend, A. T. Araudo

classic papers of the week -- 94

The cosmological constants

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

Relative Contributions of Uranium, Thorium, and Potassium to Heat Production in the Earth

• Wasserburg, G. J. (California Institute of Technology, Pasadena); MacDonald, Gordon J. F. (Institute of Geophysics and Physics, University of California Los Angeles); Hoyle, F. (Cambridge University, Cambridge, England); Fowler, William A. (California Institute of Technology)

Four-Dimensional Space

tipa -- 2/13/2009

A downturn in intergalactic CIV as redshift 6 is approached

• Authors: Emma V. Ryan-Weber (1), Max Pettini (1), Piero Madau (2), Berkeley J. Zych (1) ((1) Institute of Astronomy, University of Cambridge, (2) Department of Astronomy and Astrophysics, UC Santa Cruz)

A Connection Between Apparent VLBA Jet Speeds and Initial AGN Detections Made by the Fermi Gamma-ray Observatory

• Authors: M. L. Lister (Purdue U.), D. C. Homan (Denison U.), M. Kadler (Bamberg, Erlangen, CRESST/NASA GSFC, USRA), K. I. Kellermann (NRAO), Y. Y. Kovalev (MPIfR, ASC Lebedev), E. Ros (MPIfR), T. Savolainen (MPIfR), J. A. Zensus (MPIfR, NRAO)

The impact of baryons on dark matter haloes

• Authors: Susana E. Pedrosa (1), Patricia B. Tissera (1), Cecilia Scannapieco (2), ((1) Institute for Astronomy and Space Physics - Argentina, (2) Max-Planck Institute for Astrophysics - Germany)

From Symmetry to Supersymmetry

• Authors: Julius Wess

tipa -- 2/12/2009

Formation of Isolated Dwarf Galaxies with Feedback

• Authors: Till Sawala, Cecilia Scannapieco, Simon D.M. White (Max-Planck Institute for Astrophysics Garching)

Radio Emission from Supernova Remnants: Implications for Post-Shock Magnetic Field Amplification and the Magnetic Fields of Galaxies

• Authors: Todd A. Thompson, Eliot Quataert, Norman Murray