today in particle astrophysics

tipa -- 10/6/2010

Measurement of the Positive Muon Lifetime and Determination of the Fermi Constant to Part-per-Million Precision

Authors: D.M. Webber, V. Tishchenko, Q.~Peng, S. Battu, R.M. Carey, D.B. Chitwood, J. Crnkovic, P.T. Debevec, S. Dhamija, W. Earle, A. Gafarov, K. Giovanetti, T.P. Gorringe, F.E. Gray, Z. Hartwig, D.W. Hertzog, B. Johnson, P. Kammel, B. Kiburg, S. Kizilgul, J. Kunkle, B. Lauss, I. Logashenko, K.R. Lynch, R. McNabb, J.P. Miller, F. Mulhauser, C.J.G. Onderwater, J. Phillips, S. Rath, B.L. Roberts, P. Winter, B. Wolfe

Theoretical Support for the Hydrodynamic Mechanism of Pulsar Kicks

Authors: J. Nordhaus (Princeton), T. D. Brandt (Princeton), A. Burrows (Princeton), E. Livne (Hebrew Univ.), C. D. Ott (Caltech)

Does M31 result from an ancient major merger?

Authors: F. Hammer (1), Y. B. Yang (2), J. L. Wang (1,2), M. Puech (1), H. Flores (1), S. Fouquet (1) ((1) Laboratoire GEPI, Observatoire de Paris (2) National Astronomical Observatories, Chinese Academy of Sciences (NAOC))

Positron annihilation spectrum from the Galactic Centre region observed by SPI/INTEGRAL, revisited: annihilation in a cooling ISM?

Authors: E.Churazov, S.Sazonov, S.Tsygankov, R.Sunyaev, D.Varshalovich

Laboratory constraints on chameleon dark energy and power-law fields

Authors: Jason H. Steffen (1), Amol Upadhye (2), Al Baumbaugh (1), Aaron S. Chou (1), Peter O. Mazur (1), Ray Tomlin (1), Amanda Weltman (3), William Wester (1) ((1) Fermi National Accelerator Laboratory (2) Kavli Institute for Cosmological Physics, University of Chicago (3) University of Cape Town)

Rotation Speed of the First Stars

Authors: Athena Stacy, Volker Bromm, Abraham Loeb

Rabi, I. I. (Columbia University, New York, NY)

The origin of the magnetic field and relativistic particles in the Crab Nebula

Rees, M. J. (Astronomy Centre, University of Sussex); Gunn, J. E. (Hale Observatories, Carnegie Institution of Washington, California Institute of Technology)

Electronic imaging of ionizing radiation with limited avalanches in gases

Charpak, Georges (CERN, Geneva, Swizterland)

tipa -- 10/1/2010

Expansion Velocity of Ejecta in Tycho's Supernova Remnant Measured by Doppler Broadened X-ray Line Emission

Authors: Asami Hayato, Hiroya Yamaguchi, Toru Tamagawa, Satoru Katsuda, Una Hwang, John Patrick Hughes, Midori Ozawa, Aya Bamba, Kenzo Kinugasa, Yukikatsu Terada, Akihiro Furuzawa, Hideyo Kunieda, Kazuo Makishima

Can Gamma-Ray Burst Jets Break Out the First Stars?

Authors: Yudai Suwa, Kunihito Ioka

Probing Exotic Physics With Supernova Neutrinos

Authors: Chris Kelso, Dan Hooper

A Substantial Population of Low Mass Stars in Luminous Elliptical Galaxies

Authors: Pieter van Dokkum, Charlie Conroy

Constraints on Decaying Dark Matter from Fermi Observations of Nearby Galaxies and Clusters

Authors: Leanna Dugger, Tesla E. Jeltema, Stefano Profumo

tipa -- 9/29/2010

Supernova PTF 09uj: A possible shock breakout from a dense circumstellar wind

Authors: E. O. Ofek, I. Rabinak, J. D. Neill, I. Arcavi, S. B. Cenko, E. Waxman, S. R. Kulkarni, A. Gal Yam, P. E. Nugent, L. Bildsten, J. S. Bloom, A. V. Filippenko, K. Forster, D. A. Howell, J. Jacobsen, M. M. Kasliwal, N. Law, C. Martin, D. Poznanski, R. M. Quimby, K. J. Shen, M. Sullivan, R. Dekany, G. Rahmer, D. Hale, R. Smith, J. Zolkower, V. Velur, R. Walters, J. Henning, K. Bui, D. McKenna

Radio Bursts with Extragalactic Spectral Characteristics Show Terrestrial Origins

Authors: Sarah Burke-Spolaor, Matthew Bailes, Ronald Ekers, Jean-Pierre Macquart, Fronefield Crawford III

Evidence for a Massive Neutron Star from a Radial-Velocity Study of the Companion to the Black Widow Pulsar PSR B1957+20

Authors: M. H. van Kerkwijk (1), R. Breton (1), S. R. Kulkarni (2) ((1) U. Toronto, (2) Caltech)

Study of the gamma-ray source 1AGL J2022+4032 in the Cygnus Region

Authors: A. W. Chen, G. Piano, M. Tavani, A. Trois, G. Dubner, E.~Giacani, A. Argan, G. Barbiellini, A. Bulgarelli, P. Caraveo, P. W. Cattaneo, E. Costa, F. D'Ammando, G. De Paris, E. Del Monte, G. Di Cocco, I. Donnarumma, Y. Evangelista, M. Feroci, A. Ferrari, M. Fiorini, F. Fuschino, M. Galli, F. Gianotti, A. Giuliani, M. Giusti, C. Labanti, F. Lazzarotto, P. Lipari, F. Longo, M. Marisaldi, S. Mereghetti, E. Moretti, A. Morselli, L. Pacciani, A. Pellizzoni, F. Perotti, P. Picozza, M. Pilia, M. Prest, G. Pucella, M. Rapisarda, A. Rappoldi, S. Sabatini, E. Scalise, P. Soffitta, E. Striani, M. Trifoglio, E. Vallazza, S. Vercellone, V. Vittorini, A. Zambra, D. Zanello, C. Pittori, P. Giommi, F. Verrecchia, F. Lucarelli, P. Santolamazza, S. Colafrancesco, L. A. Antonelli, L. Salotti

Gamma-Ray Localization of Terrestrial Gamma-Ray Flashes

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

tipa -- 9/28/2010

Head-on collisions of binary white dwarf--neutron stars: Simulations in full general relativity

Authors: Vasileios Paschalidis, Zachariah Etienne, Yuk Tung Liu, Stuart L. Shapiro

First Results from Fermi GBM Earth Occultation Monitoring: Observations of Soft Gamma-Ray Sources Above 100 keV

Authors: Gary L. Case, Michael L. Cherry, James C. Rodi, Peter Jenke, Colleen A. Wilson-Hodge, Mark H. Finger, Charles A. Meegan, Ascencion Camero-Arranz, Elif Beklen, P. Narayan Bhat, Michael S. Briggs, Vandiver Chaplin, Valerie Connaughton, William S. Paciesas, Robert Preece, R. Marc Kippen, Andreas von Kienlin, Jochen Griener

Time-Resolved Spectroscopy of the 3 Brightest and Hardest Short Gamma-Ray Bursts Observed with the FGST Gamma-Ray Burst Monitor

Authors: Sylvain Guiriec, Michael S. Briggs, Valerie Connaugthon, Erin Kara, Frederic Daigne, Chryssa Kouveliotou, Alexander J. van der Horst, William Paciesas, Charles A. Meegan, P.N. Bhat, Suzanne Foley, Elisabetta Bissaldi, Michael Burgess, Vandiver Chaplin, Roland Diehl, Gerald Fishman, Melissa Gibby, Misty Giles, Adam Goldstein, Jochen Greiner, David Gruber, Andreas von Kienlin, Marc Kippen, Sheila McBreen, Robert Preece, Arne Rau, Dave Tierney, Colleen Wilson-Hodge

Comparisons of the Interstellar Magnetic Field Directions obtained from the IBEX Ribbon and Interstellar Polarizations

Authors: Priscilla C. Frisch, B-G Andersson, Andrei Berdyugin, Herbert O. Funsten, Mario Magalhaes, David J. McComas, Vilppu Piirola, Nathan A. Schwadron, Jonathan D. Slavin, Sloane J. Wiktorowicz

Prompt X-ray and Optical Excess Emission due to Hadronic Cascades in Gamma-Ray Bursts

Authors: Katsuaki Asano, Susumu Inoue, Peter Meszaros

The Galactic Population of Young Gamma-ray Pulsars

Authors: Kyle P. Watters, Roger W. Romani

The Balmer-dominated Bow Shock and Wind Nebula Structure of Gamma-ray Pulsar PSR J1741-2054

Authors: Roger W. Romani, Michael S. Shaw, Fernando Camilo, Garret Cotter, Gregory R. Sivakoff

Calibration and sensitivity of the Virgo detector during its second science run

Authors: The Virgo Collaboration

A fresh look at hadronic light-by-light scattering in the muon g-2

Authors: Christian S. Fischer, Tobias Goecke, Richard Williams

tipa -- 9/27/2010

Enhanced Constraints on $\theta_{13}$ from A Three-Flavor Oscillation Analysis of Reactor Antineutrinos at KamLAND

Authors: A. Gando, Y. Gando, K. Ichimura, H. Ikeda, K. Inoue, Y. Kibe, Y. Kishimoto, M. Koga, Y. Minekawa, T. Mitsui, T. Morikawa, N. Nagai, K. Nakajima, K. Nakamura, K. Narita, I. Shimizu, Y. Shimizu, J. Shirai, F. Suekane, A. Suzuki, H. Takahashi, N. Takahashi, Y. Takemoto, K. Tamae, H. Watanabe, B.D. Xu, H. Yabumoto, H. Yoshida, S. Yoshida, S. Enomoto, A. Kozlov, H. Murayama, C. Grant, G. Keefer, A. Piepke, T.I. Banks, T. Bloxham, J.A. Detwiler, S.J. Freedman, B.K. Fujikawa, K. Han, R. Kadel, T. O'Donnell, H.M. Steiner, D.A. Dwyer, R.D. McKeown, C. Zhang, B.E. Berger, C.E. Lane, J. Maricic, T. Miletic, M. Batygov, J.G. Learned, S. Matsuno, M. Sakai, G.A. Horton-Smith, K.E. Downum, G. Gratta, Y. Efremenko, O. Perevozchikov, H.J. Karwowski, D.M. Markoff, W. Tornow, K.M. Heeger, M.P. Decowski

Large-scale BAO signatures of the smallest galaxies

Authors: Neal Dalal, Ue-Li Pen, Uros Seljak

A GALEX Ultraviolet Imaging Survey of Galaxies in the Local Volume

Authors: Janice C. Lee, Armando Gil de Paz, Robert C. Kennicutt, Jr., Matthew Bothwell, Julianne Dalcanton, José G. Funes, S.J., Benjamin Johnson, Shoko Sakai, Evan Skillman, Christy Tremonti, Liese van Zee

Escaping the accelerator; how, when and in what numbers do cosmic rays get out of supernova remnants?

Authors: Luke O'C. Drury

Solar Neutrino Observables Sensitive to Matter Effects

Authors: Hisakazu Minakata, Carlos Pena-Garay

Eternal inflation predicts that time will end

Authors: Raphael Bousso, Ben Freivogel, Stefan Leichenauer, Vladimir Rosenhaus

classic papers of the week -- 167

0957+561 A, B - twin quasistellar objects or gravitational lens?

Walsh, D. (University of Manchester, Nuffield Radio Astronomy Laboratories, Jodrell Bank, Macclesfield, Cheshire, UK); Carswell, R. F. (Institute of Astronomy, Cambridge); Weymann, R. J. (Steward Observatory, University of Arizona)

Shift of an Electron Interference Pattern by Enclosed Magnetic Flux

Chambers, R. G. (H. H. Wills Physics Laboratory, University of Bristol, Bristol, England)

On the height of the land and the depth of the ocean

John Murray (Challenger Expedition)

tipa -- 9/24/2010

The Ubiquity of the Rapid Neutron-Capture Process

Authors: I.U. Roederer, J.J. Cowan, A.I. Karakas, K.-L. Kratz, M. Lugaro, J. Simmerer, K. Farouqi, C. Sneden

Mapping the Diffuse Ultraviolet Sky with GALEX

Authors: Jayant Murthy, Richard C. Henry, N. V. Sujatha

The 511 keV emission from positron annihilation in the Galaxy

Authors: N. Prantzos, C. Boehm, A. M. Bykov, R. Diehl, K. Ferriere, N. Guessoum, P. Jean, J. Knoedlseder, A. Marcowith, I. V. Moskalenko, A. Strong, G. Weidenspointner

Results From Core-Collapse Simulations with Multi-Dimensional, Multi-Angle Neutrino Transport

Authors: Timothy D. Brandt, Adam Burrows, Christian D. Ott

Notes on the Missing Satellites Problem

Authors: James S. Bullock (UC Irvine)

Neutrinos, WMAP, and BBN

Authors: Lawrence M. Krauss (1), Cecilia Lunardini (1,2), Christel Smith (1) ((1) Arizona State University, (2) Brookhaven National Laboratory)

Observation of Long-Range Near-Side Angular Correlations in Proton-Proton Collisions at the LHC

Authors: CMS Collaboration

tipa -- 9/23/2010

Astrometric Effects of a Stochastic Gravitational Wave Background

Authors: Laura G. Book (1), Éanna É. Flanagan (2), ((1) California Institute of Technology, (2) Cornell University)

Supernova Explosions inside Carbon-Oxygen Circumstellar Shells

Authors: S.I.Blinnikov (1,2,3), E.I.Sorokina (2,3) ((1) ITEP,(2) SAI,(3) MPA)

Type IIP Supernova 2009kf: Explosion Driven by Black Hole Accretion?

Authors: V.P. Utrobin (1 and 2), N.N. Chugai (3), M. T. Botticella (4) ((1) ITEP, Moscow; (2) MPA, Garching; (3) Institute of Astronomy, RAS, Moscow; (4) Astrophysics Research Centre, Queens University, Belfast)