today in particle astrophysics

tipa -- 11/10/2010

A Reconnection Switch to Trigger Gamma-Ray Burst Jet Dissipation

Authors: Jonathan C. McKinney (1), Dmitri A. Uzdensky (2) ((1) Department of Physics and Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, (2) Center for Integrated Plasma Studies, Department of Physics, University of Colorado, Boulder)

Quantifying Kinematic Substructure in the Milky Way's Stellar Halo

Authors: Xiang-Xiang Xue, Hans-Walter Rix, Brian Yanny, Timothy C. Beers, Eric F. Bell, Gang Zhao, James S. Bullock, Kathryn V. Johnston, Heather Morrison, Constance Rockosi, Sergey E. Koposov, Xi Kang, Chao Liu, Ali Luo, Young Sun Lee, Benjamin. A. Weaver

Fermi-LAT Search for Pulsar Wind Nebulae around gamma-ray Pulsars

Authors: The Fermi LAT Collaboration, Pulsar Timing Consortium

Integrating Out Astrophysical Uncertainties

Authors: Patrick J. Fox (Fermilab, IAS), Jia Liu (CCPP NYU), Neal Weiner (CCPP NYU, IAS)

Measurement of inclusive charged current interactions on carbon in a few-GeV neutrino beam

Authors: SciBooNE Collaboration: Y. Naka jima, J. L. Alcaraz-Aunion, S. J. Brice, L. Bugel, J. Catala-Perez, G. Cheng, J. M. Conrad, Z. Djurcic, U. Dore, D. A. Finley, A. J. Franke, C. Giganti, J. J. Gomez-Cadenas, P. Guzowski, A. Hanson, Y. Hayato, K. Hiraide, G. Jover-Manas, G. Karagiorgi, T. Katori, Y. K. Kobayashi, T. Kobilarcik, H. Kubo, Y. Kurimoto, W. C. Louis, P. F. Loverre, L. Ludovici, K. B. M. Mahn, C. Mariani, S. Masuike, K. Matsuoka, V. T. McGary, W. Metcalf, G. B. Mills, G. Mitsuka, Y. Miyachi, S. Mizugashira, C. D. Moore, T. Nakaya, R. Napora, P. Nienaber, D. Orme, M. Otani, A. D. Russell, F. Sanchez, M. H. Shaevitz, T.-A. Shibata, M. Sorel, R. J. Stefanski, H. Takei, H.-K. Tanaka, M. Tanaka, R. Tayloe, I. J. Taylor, R. J. Tesarek, Y. Uchida, R. Van de Water, J. J. Walding, M. O. Wascko, H. B. White, M. Yokoyama, G. P. Zeller, E. D. Zimmerman

Guido Altarelli (Laboratoire de Physique Théorique de l'Ecole Normale Supérieure, Paris, France), G. Parisi (Institut des Hautes Etudes Scientifiques, Bures-sur-Yvette, France)

Thermal Instability

Field, George B. (Princeton University Observatory)

Some Experiments on the Recognition of Speech, with One and with Two Ears

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E. Colin Cherry (Imperial College, University of London; Research Laboratory of Electronics, Massachusetts Institute of Technology)

tipa -- 11/5/2010

Multi-wavelength Observations of the Flaring Gamma-ray Blazar 3C 66A in 2008 October

Authors: The Fermi-LAT collaboration: A. A. Abdo et al., the VERITAS collaboration: V. A. Acciari et al., the GASP-WEBT consortium, multi-wavelength partners

Particle reacceleration by compressible turbulence in galaxy clusters: effects of reduced mean free path

Authors: G. Brunetti, A. Lazarian

An Early Warning System for Asteroid Impact

Authors: John L. Tonry

Big Bang Nucleosynthesis as a Probe of New Physics

Authors: Maxim Pospelov, Josef Pradler

tipa -- 11/4/2010

Common origin for radio relics and halos: galaxy cluster-wide, homogeneous cosmic-ray distribution, and evolving magnetic fields

Authors: Uri Keshet

Using the X-ray Morphologies of Young Supernova Remnants to Constrain Explosion Type, Ejecta Distribution, and Chemical Mixing

Authors: Laura A. Lopez (UCSC), Enrico Ramirez-Ruiz (UCSC), Daniela Huppenkothen (Amsterdam), Carles Badenes (Tel-Aviv, Weizmann Institute of Science), David Pooley (Eureka)

Population I Wolf-Rayet Runaway Stars: the Case of WR124 and its Expanding Nebula M1-67

Authors: S.V. Marchenko, A.F.J. Moffat, P.A. Crowther

Constraints on the Cosmic-Ray Density Gradient beyond the Solar Circle from Fermi gamma-ray Observations of the Third Galactic Quadrant

Authors: Fermi LAT Collaboration

Assessing Radiation Pressure as a Feedback Mechanism in Star-Forming Galaxies

Authors: Brett H. Andrews, Todd A. Thompson

p, He, and C to Fe cosmic-ray primary fluxes in diffusion models: Source and transport signatures on fluxes and ratios

Authors: A. Putze, D. Maurin, F. Donato

tipa -- 11/3/2010

The Sudden Death of the Nearest Quasar

Authors: Kevin Schawinski, Daniel A. Evans, Shanil Virani, C. Megan Urry, William C. Keel, Priyamvada Natarajan, Chris J. Lintott, Anna Manning, Paolo Coppi, Sugata Kaviraj, Steven P. Bamford, Gyula I. G. Jozsa, Michael Garrett, Hanny van Arkel, Pamela Gay, Lucy Fortson

The Gamma-Ray Background Constrains the Origins of the Radio and X-Ray Backgrounds

Authors: Brian C. Lacki

Ross Ice Shelf in situ radio-frequency ice attenuation

Authors: Taylor Barrella (1), Steven Barwick (2), David Saltzberg (1) ((1) Department of Physics and Astronomy, University of California, Los Angeles, (2) Department of Physics and Astronomy, University of California, Irvine)

The nature of "dark" gamma-ray bursts

Authors: J. Greiner, T. Krühler, S. Klose, P. Afonso, C. Clemens, R. Filgas, D.H. Hartmann, A. Küpcü Yoldaş, M. Nardini, F.Olivares Estay, A. Rau, A. Rossi, P. Schady, A. Updike

Timing Measurements of the Relativistic Binary Pulsar PSR B1913+16

Authors: Joel M. Weisberg, David J. Nice, Joseph H. Taylor

Resonant Destruction as a Possible Solution to the Cosmological Lithium Problem

Authors: Nachiketa Chakraborty, Brian D. Fields, Keith A. Olive

tipa -- 11/2/2010

A 22-year Southern Sky Survey for Transient and Variable Radio Sources using the Molonglo Observatory Synthesis Telescope

Authors: Keith Bannister, Tara Murphy, Bryan M. Gaensler, Richard Hunstead, Shami Chatterjee

Search for gamma-ray emission from magnetars with the Fermi Large Area Telescope

Authors: The Fermi-LAT collaboration

Wild at Heart:-The Particle Astrophysics of the Galactic Centre

Authors: Roland M. Crocker, David I. Jones, Felix Aharonian, Casey J. Law, Fulvio Melia, Tomoharu Oka, Juergen Ott

Galactic sources of E>100 GeV gamma-rays seen by Fermi telescope

Authors: A.Neronov, D.V.Semikoz

Fermi Gamma-ray Space Telescope: High-Energy Results from the First Year

Authors: Peter F. Michelson, William B. Atwood, Steven Ritz

Precise Measurements of Direct CP Violation, CPT Symmetry, and Other Parameters in the Neutral Kaon System

Authors: KTeV Collaboration

tipa -- 11/1/2010

The exposure of the hybrid detector of the Pierre Auger Observatory

Authors: The Pierre Auger Collaboration

A Statistical Comparison of the Optical/UV and X-ray Afterglows of Gamma-Ray Bursts using the Swift Ultra-violet Optical and X-ray Telescopes

Authors: S. R. Oates, M. J. Page, P. Schady, M. De Pasquale, P. A. Evans, K. L. Page, M. M. Chester, P. A. Curran, T. S. Koch, N. P. M. Kuin, P. W. A. Roming, M. H. Siegel, S. Zane, J. A. Nousek

Introduction to Gauge/Gravity Duality

Authors: Joseph Polchinski

classic papers of the week -- 172

Black Holes and Entropy

Bekenstein, Jacob D. (Joseph Henry Laboratories, Princeton University; Center for Relativity Theory, The University of Texas at Austin)

Gravitational Effects on and of Vacuum Decay

Sidney R. Coleman (Stanford Linear Accelerator Center), Frank De Luccia, (Institute for Advanced Study)

Life at low Reynolds number

Purcell, E. M. (Lyman Laboratory, Harvard University)

tipa -- 10/29/2010

The Hubble Space Telescope Cluster Supernova Survey: The Type Ia Supernova Rate in High-Redshift Galaxy Clusters

Authors: K. Barbary, G. Aldering, R. Amanullah, M. Brodwin, N. Connolly, K. S. Dawson, M. Doi, P. Eisenhardt, L. Faccioli, V. Fadeyev, H. K. Fakhouri, A. S. Fruchter, D. G. Gilbank, M. D. Gladders, G. Goldhaber, A. Goobar, T. Hattori, E. Hsiao, X. Huang, Y. Ihara, N. Kashikawa, B. Koester, K. Konishi, M. Kowalski, C. Lidman, L. Lubin, J. Meyers, T. Morokuma, T. Oda, N. Panagia, S. Perlmutter, M. Postman, P. Ripoche, P. Rosati, D. Rubin, D. J. Schlegel, A. L. Spadafora, S. A. Stanford, M. Strovink, N. Suzuki, N. Takanashi, K. Tokita, N. Yasuda, for the Supernova Cosmology Project

Shapiro delay measurement of a two solar mass neutron star

Authors: Paul Demorest, Tim Pennucci, Scott Ransom, Mallory Roberts, Jason Hessels

The Massive Pulsar PSR J1614-2230: Linking Quantum Chromodynamics, Gamma-ray Bursts, and Gravitational Wave Astronomy

Authors: Feryal Ozel, Dimitrios Psaltis, Scott Ransom, Paul Demorest, Mark Alford

Characteristics of Gamma-Ray Loud Blazars in the VLBA Imaging and Polarimetry Survey

Authors: J. D. Linford, G. B. Taylor, R. Romani, S. E. Healey, J. F. Helmboldt, A. C. S. Readhead, R. Reeves, J. Richards, G. Cotter

Supersoft X-ray Phase of Single Degenerate Type Ia Supernova Progenitors in Early Type Galaxies

Authors: Izumi Hachisu (Univ. of Tokyo), Mariko Kato (Keio Univ.), Ken'ichi Nomoto (Univ. of Tokyo)

A new limit on the Ultra-High-Energy Cosmic-Ray flux with the Westerbork Synthesis Radio Telescope

Authors: S. ter Veen, S. Buitink, H. Falcke, C.W. James, M. Mevius, O. Scholten, K. Singh, B. Stappers, K.D. de Vries

tipa -- 10/28/2010

Black Hole Formation in Failing Core-Collapse Supernovae

Authors: Evan O'Connor, Christian D. Ott

"Discrepant hardenings" in cosmic ray spectra: a first estimate of the effects on secondary antiproton and diffuse gamma-ray yields

Authors: Fiorenza Donato, Pasquale D. Serpico

CMB Neutrino Mass Bounds and Reionization

Authors: Maria Archidiacono, Asantha Cooray, Alessandro Melchiorri, Stefania Pandolfi

tipa -- 10/27/2010

Induced Rotation in 3D Simulations of Core Collapse Supernovae: Implications for Pulsar Spins

Authors: E. Rantsiou (Princeton), A. Burrows (Princeton), J. Nordhaus (Princeton), A. Almgren (LBNL)

Sub-Chandrasekhar Mass Models For Type Ia Supernovae

Authors: S.E. Woosley, Daniel Kasen

Black-hole binaries, gravitational waves, and numerical relativity

Authors: Joan M. Centrella, John G. Baker, Bernard J. Kelly, James R. van Meter

tipa -- 10/26/2010

Formation of the black-hole binary M33 X-7 via mass-exchange in a tight massive system

Authors: Francesca Valsecchi, Evert Glebbeek, Will M. Farr, Tassos Fragos, Bart Willems, Jerome A. Orosz, Jifeng Liu, Vassiliki Kalogera

Collateral Effects on Solar Nebula Oxygen Isotopes due to Injection of 26Al by a Nearby Supernova

Authors: C. I. Ellinger, P. A. Young, S. J. Desch

Discovery and follow-up studies of the extended, off-plane, VHE gamma-ray source HESS J1507-622

Authors: H.E.S.S. Collaboration

The clustering of massive galaxies at z~0.5 from the first semester of BOSS data

Authors: Martin White, M. Blanton, A. Bolton, D. Schlegel, J. Tinker, A. Berlind, L. da Costa, E. Kazin, Y.-T. Lin, M. Maia, C. McBride, N. Padmanabhan, J. Parejko, W. Percival, F. Prada, B. Ramos, E. Sheldon, F. de Simoni, R. Skibba, D. Wake, I. Zehavi, Z. Zheng, R. Nichol, D. Schneider, Michael A. Strauss, B.A. Weaver, David H. Weinberg

The local energy production rates of GRB photons and of UHECRs

Authors: Eli Waxman (Weizmann Inst.)

Constraints on a hadronic model for unidentified off-plane galactic gamma-ray sources

Authors: Wilfried F. Domainko (MPIK Heidelberg, Germany)

Atmospheric lepton fluxes at very high energy

Authors: J.I. Illana, Paolo Lipari, M. Masip, D. Meloni

The impact of chemical differentiation of white dwarfs on thermonuclear supernovae

Authors: Eduardo Bravo, Leandro G. Althaus, Enrique García-Berro, Inmaculada Domínguez

Light WIMP Searches: The Effect of the Uncertainty in Recoil Energy Scale and Quenching Factor

Authors: J.I. Collar

New Experimental Constraints for the Standard Model from Muon Decay

Authors: R. Bayes, J.F. Bueno, A. Hillairet, Yu.I. Davydov, P. Depommier, W. Faszer, C.A. Gagliardi, A. Gaponenko, D.R. Gill, A. Grossheim, P. Gumplinger, M.D. Hasinoff, R.S. Henderson, J. Hu, D.D. Koetke, R.P. MacDonald, G. Marshall, E.L. Mathie, R.E. Mischke, K. Olchanski, A. Olin, R. Openshaw, J.-M. Poutissou, R. Poutissou, V. Selivanov, G. Sheffer, B. Shin, T.D.S. Stanislaus, R. Tacik, R.E. Tribble

Quasi-Nambu-Goldstone Modes in Bose-Einstein Condensates

Authors: Shun Uchino, Michikazu Kobayashi, Muneto Nitta, Masahito Ueda

tipa -- 10/25/2010

Detection of a Thermal Spectral Component in the Prompt Emission of GRB 100724B

Authors: Sylvain Guiriec, Valerie Connaughton, Michael S. Briggs, Michael Burgess, Felix Ryde, Frédéric Daigne, Peter Mészáros, Adam Goldstein, Julie McEnery, Nicola Omodei, P.N. Bhat, Elisabetta Bissaldi, Ascensión Camero-Arranz, Vandiver Chaplin, Roland Diehl, Gerald Fishman, Suzanne Foley, Melissa Gibby, Misty M. Giles, Jochen Greiner, David Gruber, Andreas von Kienlin, Marc Kippen, Chryssa Kouveliotou, Sheila McBreen, Charles A. Meegan, William Paciesas, Robert Preece, Arne Rau, Dave Tierney, Alexander J. van der Horst, Colleen Wilson-Hodge

The Supernova Legacy Survey 3-year sample: Type Ia Supernovae photometric distances and cosmological constraints

Authors: J. Guy, M. Sullivan, A. Conley, N. Regnault, P. Astier, C. Balland, S. Basa, R.G. Carlberg, D. Fouchez, D. Hardin, I.M. Hook, D.A. Howell, R. Pain, N. Palanque-Delabrouille, K.M. Perrett, C.J. Pritchet, J. Rich, V. Ruhlmann-Kleider, D. Balam, S. Baumont, R.S. Ellis, S. Fabbro, H.K. Fakhouri, N. Fourmanoit, S. Gonzalez-Gaitan, M.L. Graham, E. Hsiao, T. Kronborg, C. Lidman, A.M. Mourao, S. Perlmutter, P. Ripoche, N. Suzuki, E.S. Walker

Cold neutrons trapped in external fields

Authors: S. Gandolfi, J. Carlson, Steven C. Pieper

classic papers of the week -- 171

Observations of the Failure of Conservation of Parity and Charge Conjugation in Meson Decays: the Magnetic Moment of the Free Muon

Garwin, Richard L.; Lederman, Leon M.; Weinrich, Marcel (Physics Department, Nevis Cyclotron Laboratories, Columbia University, Irvington-on-Hudson, New York, NY)

The Atmospheres of A-Type Subdwarfs and 95 Leonis