today in particle astrophysics

tipa -- 11/4/2009

Hierarchy in the Phase Space and Dark Matter Astronomy

Authors: Niayesh Afshordi (Perimeter/Waterloo), Roya Mohayaee (IAP), Edmund Bertschinger (MIT)

Surface Detonations in Double Degenerate Binary Systems Triggered by Accretion Stream Instabilities

Authors: James Guillochon (1), Marius Dan (2), Enrico Ramirez-Ruiz (1), Stephan Rosswog (2), ((1) Univ. of California Santa Cruz, (2) Jacobs University Bremen)

Cosmological Problems with Multiple Axion-like Fields

Authors: Katherine J. Mack (1 and 2), Paul J. Steinhardt (2) ((1) IoA/KICC, University of Cambridge, (2) Princeton University)

Positron Annihilation on Polycyclic Aromatic Hydrocarbon molecules in the Interstellar Medium

Authors: N. Guessoum (1), P. Jean (2), W. Gillard (3) ((1) American University of Sharjah, (2) CESR CNRS/Universite de Toulouse, (3) KTH AlbaNova University Centre Stockholm)

Halo Shape and Relic Density Exclusions of Sommerfeld-Enhanced Dark Matter Explanations of Cosmic Ray Excesses

Authors: Jonathan L. Feng, Manoj Kaplinghat, Hai-Bo Yu

New experimental limits on the Pauli forbidden transitions in $^{12}$C nuclei obtained with 485 days Borexino data

Authors: The Borexino Collaboration

tipa -- 11/3/2009

GRB090426: the farthest short gamma-ray burst?

Authors: L. A. Antonelli, P. D Avanzo, R. Perna, L. Amati, S. Covino, S. Cutini, V. D Elia, S. Gallozzi, A. Grazian, E. Palazzi, S. Piranomonte, A. Rossi, S. Spiro, L. Stella, V. Testa, G. Chincarini, A. Di Paola, F. Fiore, D. Fugazza, E. Giallongo, E. Maiorano, N. Masetti, F. Pedichini, R. Salvaterra, G. Tagliaferri, S. Vergani

Spin-down Measurement of PSR J1852+0040 in Kesteven 79: Central Compact Objects as Anti-Magnetars

Authors: J. P. Halpern, E. V. Gotthelf

High sigma model of pulsar wind nebulae

Authors: Maxim Lyutikov (Purdue University)

Kinematics of Milky Way Satellites: Mass Estimates, Rotation Limits, and Proper Motions

Authors: Louis E. Strigari

The case for a directional dark matter detector and the status of current experimental efforts

Authors: S. Ahlen, N. Afshordi, J. B. R. Battat, J. Billard, N. Bozorgnia, S. Burgos, T. Caldwell, J. M. Carmona, S. Cebrian, P. Colas, T. Dafni, E. Daw, D. Dujmic, A. Dushkin, W. Fedus, E. Ferrer, D. Finkbeiner, P. H. Fisher, J. Forbes, T. Fusayasu, J. Galan, T. Gamble, C. Ghag, I. Giomataris, M. Gold, H. Gomez, M. E. Gomez, P. Gondolo, A. Green, C. Grignon, O. Guillaudin, C. Hagemann, K. Hattori, S. Henderson, N. Higashi, C. Ida, F. J. Iguaz, A. Inglis, I. G. Irastorza, S. Iwaki, A. Kaboth, S. Kabuki, J. Kadyk, N. Kallivayalil, H. Kubo, S. Kurosawa, V. A. Kudryavtsev, T. Lamy, R. Lanza, T. B. Lawson, A. Lee, E. R. Lee, T. Lin, D. Loomba, J. Lopez, G. Luzon, T. Manobu, J. Martoff, F. Mayet, B. Mccluskey, E. Miller, K. Miuchi, J. Monroe, B. Morgan, D. Muna, A. St. J. Murphy, T. Naka, K. Nakamura, M. Nakamura, T. Nakano, G. G. Nicklin, H. Nishimura, K. Niwa, S. M. Paling, J. Parker, A. Petkov, M. Pipe, K. Pushkin, M. Robinson, A. Rodriguez, J. Rodriguez-Quintero, T. Sahin, R. Sanderson, N. Sanghi, D. Santos, O. Sato, T. Sawano, G. Sciolla, H. Sekiya, T. R. Slatyer, D. P. Snowden-Ifft, N. J. C. Spooner, A. Sugiyama, A. Takada, M. Takahashi, A. Takeda, T. Tanimori, K. Taniue, A. Tomas, H. Tomita, K. Tsuchiya, J. Turk, E. Tziaferi, K. Ueno, S. Vahsen, R. Vanderspek, J. Vergados, J. A. Villar, H. Wellenstein, I. Wolfe, R. K. Yamamoto, H. Yegoryan

On the role of electroweak bremsstrahlung for indirect dark matter signatures

Authors: M. Kachelriess, P.D. Serpico, M.Aa. Solberg

tipa -- 11/2/2009

Merger of white dwarf-neutron star binaries: Prelude to hydrodynamic simulations in general relativity

Authors: Vasileios Paschalidis, Morgan MacLeod, Thomas W. Baumgarte, Stuart L. Shapiro

External forward shock origin of high energy emission for three GRBs detected by Fermi

Authors: Pawan Kumar, Rodolfo Barniol Duran

Modeling of Gamma-Ray Pulsar Light Curves with Force-Free Magnetic Field

Authors: Xue-Ning Bai, Anatoly Spitkovsky (Princeton)

An Upper Limit on the Stochastic Gravitational-Wave Background of Cosmological Origin

Authors: The LIGO Scientific Collaboration, the Virgo Collaboration

A SQUID-based microwave cavity search for dark-matter axions

Authors: The ADMX Collaboration: S. J. Asztalos, G. Carosi, C. Hagmann, D. Kinion, K. van Bibber, M. Hotz, L. Rosenberg, G. Rybka, J. Hoskins, J. Hwang, P. Sikivie, D. B. Tanner, R. Bradley, J. Clarke

classic papers of the week -- 122

Weak Interactions with Lepton-Hadron Symmetry

S.L. Glashow, J. Iliopoulos, L. Maiani (Lyman Laboratory of Physics, Harvard University)

Cosmological Consequences of a Rolling Homogeneous Scalar Field

Bharat Ratra, P.J.E. Peebles (Joseph Henry Laboratories, Department of Physics, Princeton University)

Collapsed nuclei

A.R. Bodmer (Nuclear Physics Laboratory, Oxford, England; Argonne National Laboratory; University of Illinois, Chicago, IL)

tipa -- 10/30/2009

Fermi LAT Observations of LS 5039

Authors: The Fermi LAT collaboration

Type II-P Supernovae from the SDSS-II Supernova Survey and the Standardized Candle Method

Authors: Chris B. D'Andrea, Masao Sako, Benjamin Dilday, Joshua A. Frieman, Jon Holtzman, Richard Kessler, Kohki Konishi, Donald P. Schneider, Jesper Sollerman, J. C. Wheeler, Naoki Yasuda, David Cinabro, Saurabh Jha, Robert C. Nichol, Hubert Lampeitl, Mathew Smith, David W. Atlee, Bruce Basset, Francisco J. Castander, Ariel Goobar, Ramon Miquel, Jakob Nordin, Linda Östman, Jose Luis Prieto, Robert Quimby, Adam G. Riess, Maximilian Stritzinger

The Sommerfeld enhancement for dark matter with an excited state

Authors: Tracy R. Slatyer

tipa -- 10/29/2009

Discovery of extreme particle acceleration in the microquasar Cygnus X-3

Authors: M. Tavani, A. Bulgarelli, G. Piano, S. Sabatini, E. Striani, Y. Evangelista, A. Trois, G. Pooley, S. Trushkin, N.A. Nizhelskij, M. McCollough, K.I.I. Koljonen, G. Pucella, A. Giuliani, A.W. Chen, E. Costa, V. Vittorini, M. Trifoglio, F. Gianotti, A. Argan, G. Barbiellini, P. Caraveo, P.W. Cattaneo, V. Cocco, T. Contessi, F. D'Ammando, E. Del Monte, G. De Paris, G. Di Cocco, G. Di Persio, I. Donnarumma, M. Feroci, A. Ferrari, F. Fuschino, M. Galli, C. Labanti, I. Lapshov, F. Lazzarotto, P. Lipari, F. Longo, E. Mattaini, M. Marisaldi, M. Mastropietro, A. Mauri, S. Mereghetti, E. Morelli, A. Morselli, L. Pacciani, A. Pellizzoni, F. Perotti, P. Picozza, M. Pilia, M. Prest, M. Rapisarda, A. Rappoldi, E. Rossi, A. Rubini, E. Scalise, P. Soffitta, E. Vallazza, S. Vercellone, A. Zambra, D. Zanello, C. Pittori, F. Verrecchia, P. Giommi, S. Colafrancesco, P. Santolamazza, A. Antonelli, L. Salotti

The first accurate parallax distance to a black hole

Authors: J. C. A. Miller-Jones (1), P. G. Jonker (2,3), V. Dhawan (1), W. Brisken (1), M. P. Rupen (1), G. Nelemans (4), E. Gallo (5) ((1) NRAO, (2) SRON, (3) CfA, (4) Nijmegen, (5) MIT)

Relic density and CMB constraints on dark matter annihilation with Sommerfeld enhancement

Authors: Jesus Zavala (1), Mark Vogelsberger (1,2), Simon D. M. White (1) ((1) MPA, (2) Harvard/CfA)

tipa -- 10/28/2009

The Deuterium Abundance in the Local Interstellar Medium

Authors: Tijana Prodanovic, Gary Steigman, Brian D. Fields

Collapsar Accretion and the Gamma-Ray Burst X-Ray Light Curve

Authors: Christopher C. Lindner, Milos Milosavljevic, Sean M. Couch, Pawan Kumar

SDSS J013655.91+242546.0 - an A-type hyper-velocity star from the outskirts of the Galaxy

Authors: A. Tillich, N. Przybilla, R.-D. Scholz, U. Heber

Discriminating Strange Star Mergers from Neutron Star Mergers by Gravitational-Wave Measurements

Authors: A. Bauswein, R. Oechslin, H.-Th. Janka (MPI Astrophysik, Garching)

tipa -- 10/27/2009

The Fermi Haze: A Gamma-Ray Counterpart to the Microwave Haze

Authors: Gregory Dobler (KITP/UCSB, Harvard/CfA), Douglas P. Finkbeiner (Harvard/CfA), Ilias Cholis (NYU), Tracy R. Slatyer (Harvard/CfA), Neal Weiner (NYU)

Improved flux limits for neutrinos with energies above 10^22 eV from observations with the Westerbork Synthesis Radio Telescope

Authors: O. Scholten, S. Buitink, J. Bacelar, R. Braun, A.G. de Bruyn, H. Falcke, K. Singh, B. Stappers, R.G. Strom, R. al Yahyaoui

Getting the astrophysics and particle physics of dark matter out of next-generation direct detection experiments

Authors: Annika H. G. Peter

The progenitor mass of the magnetar SGR1900+14

Authors: Ben Davies (Leeds/RIT), Don F. Figer (RIT), Rolf-Peter Kudritzki (IfA, Hawaii), Christine Trombley (RIT), Chryssa Kouveliotou (NASA - MSFC), Stefanie Wachter (SSC, Caltech)

Fermi observations of TeV-selected AGN

Authors: S. J. Fegan, D. Sanchez, Fermi LAT Collaboration: A. A. Abdo, et al

Balancing the Cosmic Energy Budget: The Cosmic X-ray Background, Blazars and the Compton Thick AGN Fraction

Authors: A.R. Draper, D.R. Ballantyne

A new measurement of the bulk flow of X-ray luminous clusters of galaxies

Authors: A. Kashlinsky (GSFC), F. Atrio-Barandela (U Salamanca, Spain), H. Ebeling (IfA, Hawaii), A. Edge (U of Durham, UK), D. Kocevski (UCD)

tipa -- 10/26/2009

Evolution of supermassive stars as a pathway to black hole formation

Authors: Mitchell C. Begelman

Limits on a muon flux from Kaluza-Klein dark matter annihilations in the Sun from the IceCube 22-string detector

Authors: The IceCube collaboration: R. Abbasi, et al

The Indirect Search for Dark Matter with IceCube

Authors: Francis Halzen, Dan Hooper

Neutrino Oscillations, Lorentz/CPT Violation, and Dark Energy

Authors: Shin'ichiro Ando, Marc Kamionkowski (Caltech), Irina Mocioiu (Penn State)

classic papers of the week -- 121

Electromagnetic extraction of energy from Kerr black holes

Blandford, R. D.; Znajek, R. L. (Institute of Astronomy, The Observatories, Cambridge)

"Relative State" Formulation of Quantum Mechanics

Everett, Hugh (Palmer Physical Laboratory, Princeton University)

Assessment of Everett's "Relative State" Formulation of Quantum Theory

Wheeler, John A. (Plamer Physical Laboratory, Princeton University)

tipa -- 10/23/2009

Was reionization complete by z ~ 5-6?

Authors: Andrei Mesinger

Evidence for Proton-Dominated Cosmic Ray Composition above 1.6 EeV

Authors: R.U. Abbasi, T. Abu-Zayyad, M. Al-Seady, M. Allen, J.F. Amman, R.J. Anderson, G. Archbold, K. Belov, J.W. Belz, D.R. Bergman, S.A. Blake, O.A. Brusova, G.W. Burt, C. Cannon, Z. Cao, W. Deng, Y. Fedorova, C.B. Finley, R.C. Gray, W.F. Hanlon, C.M. Hoffman, M.H. Holzscheiter, G. Hughes, P. Huentemeyer, B.F Jones, C.C.H. Jui, K. Kim, M.A. Kirn, E.C. Loh, J.P. Lundquist, M.M. Maestas, N. Manago, L.J. Marek, K. Martens, J.A.J. Matthews, J.N. Matthews, S.A. Moore, A. O'Neill, C.A. Painter, L. Perera, K. Reil, R. Riehle, M. Roberts, D. Rodriguez, N. Sasaki, S.R. Schnetzer, L.M. Scott, G. Sinnis, J.D. Smith, P. Sokolsky, C. Song, R.W. Springer, B.T. Stokes, S. Stratton, S.B. Thomas, J.R. Thomas, G.B. Thomson, D. Tupa, L.R. Wiencke, X. Zhang, A. Zech

Fermi observations of high-energy gamma-ray emission from GRB 080825C

Authors: Fermi GBM/LAT Collaborations

Discovery of Radio Afterglow from the Most Distant Cosmic Explosion

Authors: Poonam Chandra, Dale A. Frail, Derek Fox, Shrinivas Kulkarni, Edo BErger, S. Bradley Cenko, Douglas C.-J. Bock, Fiona Harrison, Mansi Kasliwal

Authors: The MAGIC Collaboration

Searches for Long Lived Neutral Particles

Authors: Patrick Meade, Shmuel Nussinov, Michele Papucci, Tomer Volansky

tipa -- 10/22/2009

X-Ray Localization of the Intermediate-Mass Black Hole in the Globular Cluster G1 with Chandra

Authors: A.K.H. Kong, C.O. Heinke, R. Di Stefano, P. Barmby, W.H.G. Lewin, F.A. Primini

The Search for Celestial Positronium via the Recombination Spectrum

Authors: S. C. Ellis, J. Bland-Hawthorn (University of Sydney)

Weighing dark matter haloes with gravitationally lensed supernovae

Authors: Jakob Jonsson, Tomas Dahlen, Isobel Hook, Ariel Goobar, Edvard Mortsell

tipa -- 10/21/2009

Long duration radio transients lacking optical counterparts are possibly Galactic Neutron Stars

Authors: E. O. Ofek, B. Breslauer, A. Gal-Yam, D. Frail, M. M. Kasliwal, S. R. Kulkarni, E. Waxman

Constraints on inelastic dark matter from XENON10

Authors: XENON10 Collaboration

Multiwavelength observations of a TeV-Flare from W Comae

Authors: VERITAS collaboration

tipa -- 10/20/2009

Typing Supernova Remnants Using X-ray Line Emission Morphologies

Authors: Laura A. Lopez (UCSC), Enrico Ramirez-Ruiz (UCSC), Carles Badenes (Princeton), Daniela Huppenkothen (Amsterdam), Tesla E. Jeltema (UCO/Lick Observatories), David A. Pooley (Wisconsin)

The Cosmic Rate, Luminosity Function and Intrinsic Correlations of Long GRBs

Authors: Nathaniel R. Butler, Joshua S. Bloom, Dovi Poznanski

Intergalactic Magnetic Field and Arrival Direction of Ultra-High-Energy Protons

Authors: Dongsu Ryu (Chungnam National University, Korea), Santabrata Das (Indian Institute of Technology Guwahati, India), Hyesung Kang (Pusan National University, Korea)

Fermi Large Area Telescope Gamma-Ray Detection of the Radio Galaxy M87

Authors: The Fermi LAT Collaboration: A.A. Abdo, et al., D.E. Harris, F. Massaro, L. Stawarz

Shock-heating of stellar envelopes: A possible unifying mechanism at the origin of explosions and eruptions in massive stars

Authors: Luc Dessart, Eli Livne, Roni Waldman

Could the Cosmological Recombination Spectrum Help Us Understand Annihilating Dark Matter?

Authors: J. Chluba

tipa -- 10/19/2009

Low Energy Threshold Analysis of the Phase I and Phase II Data Sets of the Sudbury Neutrino Observatory

Authors: The SNO Collaboration

Reionization and Cosmology with 21 cm Fluctuations

Authors: Miguel F. Morales, J. Stuart B. Wyithe

Discovery of a highly energetic pulsar associated with IGR J14003-6326 and a young uncataloged Galactic supernova remnant G310.6-1.6

Authors: M. Renaud (1), V. Marandon (1), E. V. Gotthelf (2), J. Rodriguez (3), R. Terrier (1), F. Mattana (1), F. Lebrun (1), J. A. Tomsick (4), R. N. Manchester (5) ((1) APC-CNRS/Paris 7 University, France, (2) Columbia University, USA, (3) CEA-Saclay/AIM, France, (4) UC Berkeley, USA, (5) ATNF-CSIRO, Australia)

Obtaining supernova directional information using the neutrino matter oscillation pattern

Authors: Kate Scholberg, Armin Burgmeier, Roger Wendell

A Search for Core-Collapse Supernovae using the MiniBooNE Neutrino Detector

Authors: MiniBooNE Collaboration

Possible Evidence For Dark Matter Annihilation In The Inner Milky Way From The Fermi Gamma Ray Space Telescope

Authors: Lisa Goodenough, Dan Hooper

classic papers of the week -- 120

The World as a hologram

Leonard Susskind (Department of Physics, Stanford University)

Dimensional reduction in quantum gravity

Gerard 't Hooft (Institute for Theoretical Physics, Utrecht University)

Supernova mechanisms

H.A. Bethe (Newman Laboratory of Nuclear Studies, Cornell University, Ithaca, NY)

tipa -- 10/16/2009

A Proper Motion for the Pulsar Wind Nebula G359.23-0.82, "the Mouse," Associated with the Energetic Radio Pulsar J1747-2958

Authors: C. A. Hales, B. M. Gaensler, S. Chatterjee, E. van der Swaluw, F. Camilo

The correlation of UHECRs with nearby galaxies in the Local Volume

Authors: Antonio J. Cuesta, Francisco Prada (IAA-CSIC)

Axisymmetric General Relativistic Simulations of the Accretion-Induced Collapse of White Dwarfs

Authors: E. B. Abdikamalov, C. D. Ott, L. Rezzolla, L. Dessart, H. Dimmelmeier, A. Marek, H.-T. Janka

First Results from the Swarms Survey. SDSS 1257+5428: A Nearby, Massive White Dwarf Binary with a Likely Neutron Star or Black Hole Companion

Authors: Carles Badenes, Fergal Mullally, Susan E. Thompson, Robert H. Lupton

Yoctosecond photon pulses from quark-gluon plasmas

Authors: Andreas Ipp, Christoph H. Keitel, Jörg Evers

tipa -- 10/15/2009

How cold is Dark Matter? Constraints from Milky Way Satellites

Authors: Andrea V. Maccio' (1), Fabio Fontanot (1,2) ((1) MPIA, Heidelberg, (2) INAF - Osservatorio Astronomico di Trieste)

Magnetic Field-Decay-Induced Electron Captures: a Strong Heat Source in Magnetar Crusts

Authors: Randall L. Cooper, David L. Kaplan (KITP)

High Resolution X-ray Observations of the Pulsar Wind Nebula Associated with the Gamma-ray Source HESS$ $J1640-465

Authors: A. Lemiere, P. Slane, B. M. Gaensler, S. Murray

tipa -- 10/14/2009

Stellar Feedback in Molecular Clouds and its Influence on the Mass Function of Young Star Clusters

Authors: S. Michael Fall, Mark R. Krumholz, Christopher D. Matzner

Two Type Ic supernovae in low-metallicity, dwarf galaxies: diversity of explosions

Authors: D. R. Young (1), S. J. Smartt (1), S. Valenti (1), A. Pastorello (1), S. Benetti (2), C. R. Benn (3), D. Bersier (4), M. T. Botticella (1), R. L. M. Corradi (3), A. H. Harutyunyan (2), M. Hrudkova (3 and 5), I. Hunter (1), S. Mattila (6), E. J. W. de Mooij (7), H. Navasardyan (2), I. A. G. Snellen (7), N. R. Tanvir (8), L. Zampieri (2) ((1) Queen's University Belfast, (2) INAF-OAPD Padova, (3) Isaac Newton Group of Telescopes, (4) Liverpool John Moores University, (5) Charles University, (6) University of Turku, (7) Leiden University, (8) University of Leicester)

Fermi LAT detection of pulsed gamma-rays from the Vela-like pulsars PSR J1048-5832 and PSR J2229+6114

Authors: Fermi LAT collaboration, Fermi Pulsar Timing Consortium

On the Progenitor of the Type II-Plateau SN 2008cn in NGC 4603

Authors: N. Elias-Rosa (1), S. D. Van Dyk (1), W. Li (2), N. Morrell (3), S. Gonzalez (3), M. Hamuy (4), A. V. Filippenko (2), J.-C. Cuillandre (5), R. J. Foley (2, 6, 7), N. Smith (2) ((1) Spitzer Science Center, Caltech; (2) UC Berkeley; (3) LCO; (4) U. Chile; (5) CFHT corporation; (6) CfA; (7) Clay Fellow)