today in particle astrophysics

tipa -- 7/8/2010

Observed Event Excess in the MiniBooNE Search for $\bar \nu_μ \rightarrow \bar \nu_e$ Oscillations

Authors: The MiniBooNE Collaboration

A Radio-loud Magnetar in X-ray Quiescence

Authors: Lina Levin, Matthew Bailes, Samuel Bates, N. D. Ramesh Bhat, Marta Burgay, Sarah Burke-Spolaor, Nichi D'Amico, Simon Johnston, Michael Keith, Michael Kramer, Sabrina Milia, Andrea Possenti, Nanda Rea, Ben Stappers, Willem van Straten

Evaluating Systematic Dependencies of Type Ia Supernovae: The Influence of Deflagration to Detonation Density

Authors: Aaron P. Jackson (1), Alan C. Calder (1 and 2), Dean M. Townsley (3), David A. Chamulak (4 and 6), Edward F. Brown (5 and 6), F. X. Timmes (6 and 7) ((1) The State University of New York - Stony Brook, (2) New York Center for Computational Sciences, (3) The University of Alabama - Tuscaloosa, (4) Argonne National Laboratory, (5) Michigan State University - East Lansing, (6) The Joint Institute for Nuclear Astrophysics, (7) School of Earth and Space Exploration - Arizona State University)

Fermi LAT observations of the Geminga pulsar

Authors: Fermi-LAT Collaboration: A. A. Abdo, et al.

A Consistent Dark Matter Interpretation For CoGeNT and DAMA/LIBRA

Authors: Dan Hooper, J.I. Collar, Jeter Hall, Dan McKinsey

Magnetospheres of Black Hole Systems in Force-Free Plasma

Authors: Carlos Palenzuela, Travis Garrett, Luis Lehner, Steven L.Liebling

tipa -- 7/7/2010

PAMELA results on the cosmic-ray antiproton flux from 60 MeV to 180 GeV in kinetic energy

Authors: PAMELA Collaboration: O. Adriani, G. C. Barbarino, G. A. Bazilevskaya, R. Bellotti, M. Boezio, E. A. Bogomolov, L. Bonechi, M. Bongi, V. Bonvicini, S. Borisov, S. Bottai, A. Bruno, F. Cafagna, D. Campana, R. Carbone, P. Carlson, M. Casolino, G. Castellini, L. Consiglio, M. P. De Pascale, C. De Santis, N. De Simone, V. Di Felice, A. M. Galper, W. Gillard, L. Grishantseva, P. Hofverberg, G. Jerse, A. V. Karelin, S. V. Koldashov, S. Y. Krutkov, A. N. Kvashnin, A. Leonov, V. Malvezzi, L. Marcelli, A. G. Mayorov, W. Menn, V. V. Mikhailov, E. Mocchiutti, A. Monaco, N. Mori, N. Nikonov, G. Osteria, P. Papini, M. Pearce, P. Picozza, C. Pizzolotto, M. Ricci, S. B. Ricciarini, L. Rossetto, M. Simon, R. Sparvoli, P. Spillantini, Y. I. Stozhkov, A. Vacchi, E. Vannuccini, G. Vasilyev, S. A. Voronov, J. Wu, Y. T. Yurkin, G. Zampa, N. Zampa, V. G. Zverev

Supernovae Powered by Collapsar Accretion in Gamma-Ray Burst Sources

Authors: Milos Milosavljevic, Christopher C. Lindner, Rongfeng Shen, Pawan Kumar

Direct Imaging of Bridged Twin Protoplanetary Disks in a Young Multiple Star

Authors: Satoshi Mayama, Motohide Tamura, Tomoyuki Hanawa, Tomoaki Matsumoto, Miki Ishii, Tae-Soo Pyo, Hiroshi Suto, Takahiro Naoi, Tomoyuki Kudo, Jun Hashimoto, Shogo Nishiyama, Masayuki Kuzuhara, Masahiko Hayashi

On variations of the brightness of type Ia supernovae with the age of the host stellar population

Authors: Brendan K. Krueger (1), Aaron P. Jackson (1), Dean M. Townsley (2), Alan C. Calder (1 and 3), Edward F. Brown (4), F. X. Timmes (5) ((1) The State University of New York - Stony Brook, (2) The University of Alabama, (3) New York Center for Computational Sciences, (4) Michigan State University, (5) Arizona State University)

tipa -- 7/6/2010

Measured Metallicities at the Sites of Stripped Core-Collapse Supernovae

Authors: Maryam Modjaz (1), J. S. Bloom (1), A. V. Filippenko (1), L. Kewley (2), D. Perley (1), J. M. Silverman (1) ((1) UC Berkeley, (2) Hawaii)

Spectra of Type Ia Supernovae from Double Degenerate Mergers

Authors: Chris L. Fryer, Ashley J. Ruiter, Krzysztof Belczynski, Peter J. Brown, Filomena Bufano, Steven Diehl, Christopher J. Fontes, Lucille H. Frey, Stephen T. Holland, Aimee L. Hungerford, Stefan Immler, Paolo Mazzali, Casey Meakin, Peter A. Milne, Cody Raskin, Francis X. Timmes

Fermi Gamma-ray Space Telescope Observations of Recent Gamma-ray Outbursts from 3C 454.3

Authors: The Fermi-LAT collaboration

No Correlation Between Host Galaxy Metallicity and Gamma-Ray Energy Release for Long-Duration Gamma-Ray Bursts

Authors: Emily M. Levesque, Alicia M. Soderberg, Lisa J. Kewley, Edo Berger

Neutrino physics from precision cosmology

Authors: Steen Hannestad

Memories of Murray and the Quark Model

Authors: George Zweig

classic papers of the week -- 156

Inelastic Electron Proton and gamma Proton Scattering, and the Structure of the Nucleon

J.D. Bjorken, Emmanuel A. Paschos (Stanford Linear Accelerator Center)

A Demonstration Concerning the Motion of Light, Communicated from Paris

Ole Rømer

The Scattering of Cosmic Rays by the Stars of a Galaxy

Vallarta, M. S.; Feynman, R. P. (Massachusetts Institute of Technology, Cambridge, MA)

tipa -- 7/2/2010

Enhanced Detectability of Pre-reionization 21-cm Structure

Authors: Marcelo A. Alvarez, Ue-Li Pen, Tzu-Ching Chang

A Short GRB "No-Host'' Problem? Investigating Large Progenitor Offsets for Short GRBs with Optical Afterglows

Authors: E. Berger (Harvard)

The SN 2008S Progenitor Star: Gone or Again Self-Obscured?

Authors: J. L. Prieto, D. M. Szczygiel, C. S. Kochanek, K. Z. Stanek, T. A. Thompson, J. F. Beacom, P. M. Garnavich, C. E. Woodward

Cosmological concordance or chemical coincidence? Deuterated molecular hydrogen abundances at high redshift

Authors: J. Tumlinson, A. L. Malec, R. F. Carswell, M. T. Murphy, R. Buning, N. Milutinovic, S. L. Ellison, J. X. Prochaska, R. A. Jorgenson, W. Ubachs, A. M. Wolfe

Boron Synthesis in Type Ic Supernovae

Authors: Ko Nakamura, Takashi Yoshida, Toshikazu Shigeyama, Toshitaka Kajino

Electron and Photon Interactions in the Regime of Strong LPM Suppression

Authors: Lisa Gerhardt, Spencer R. Klein

Authors: Andrew Lyne (1), George Hobbs (2), Michael Kramer (1,3), Ingrid Stairs (4), Ben Stappers (1) (1-Jodrell Bank Centre for Astrophysics, University of Manchester, 2 - CSIRO, ATNF, 3 - MPI fuer Radioastronomie, 4 - University of British Columbia)

Teraelectronvolt Astronomy

Authors: J.A. Hinton, W. Hofmann

Discovery of VHE gamma-rays from the BL Lac object PKS 0548-322

Authors: H.E.S.S. collaboration

Fallback Supernovae: Possible Origin of Peculiar Supernovae with Extremely Low Explosion Energies

Authors: Takashi Moriya, Nozomu Tominaga, Masaomi Tanaka, Ken'ichi Nomoto, Daniel N. Sauer, Paolo A. Mazzali, Keiichi Maeda, Tomoharu Suzuki

Galaxy Formation Theory

Authors: Andrew J. Benson (1) ((1) California Institute of Technology)

Ultrahigh Energy Nuclei in the Galactic Magnetic Field

Authors: G. Giacinti, M. Kachelriess, D. V. Semikoz, G. Sigl

Cosmology seeking friendship with sterile neutrinos

Authors: Jan Hamann, Steen Hannestad, Georg G. Raffelt, Irene Tamborra, Yvonne Y.Y. Wong

New limit on Lorentz and CPT-violating neutron spin interactions

Authors: J. M. Brown, S. J. Smullin, T. W. Kornack, M. V. Romalis

tipa -- 6/28/2010

Parsec-scale Faraday Rotation Measures from General Relativistic MHD Simulations of Active Galactic Nuclei Jets

Authors: Avery E. Broderick (1), Jonathan C. McKinney (2) ((1) CITA, (2) KIPAC)

Luminosity Distribution of Gamma-Ray Burst Host Galaxies at redshift z=1 in Cosmological Smoothed Particle Hydrodinamic Simulations: Implications for the Metallicity Dependence of GRBs

Authors: Yuu Niino, Jun-Hwan Choi, Masakazu A. R. Kobayashi, Kentaro Nagamine, Tomonori Totani, Bing Zhang

New constraints on Lorentz invariance violation from the neutron electric dipole moment

Authors: I. Altarev, C. A. Baker, G. Ban, K. Bodek, M. Daum, M. Fertl, B. Franke, P. Fierlinger, P. Geltenbort, K. Green, M. G. D. van der Grinten, P. G. Harris, R. Henneck, M. Horras, P. Iaydjiev, S. N. Ivanov, N. Khomutov, K. Kirch, S. Kistryn, A. Knecht, A. Kozela, F. Kuchler, B. Lauss, T. Lefort, Y. Lemière, A. Mtchedlishvili, O. Naviliat-Cuncic, J. M. Pendlebury, G. Petzoldt, E. Pierre, F. M. Piegsa, G. Pignol, G. Quéméner, D. Rebreyend, S. Roccia, P. Schmidt-Wellenburg, N. Severijns, D. Shiers, K. F. Smith, Yu. Sobolev, J. Zejma, J. Zenner, G. Zsigmond

classic papers of the week -- 155

The S Matrix in Quantum Electrodynamics

Dyson, F. J. (Institute for Advanced Study, Princeton, New Jersey)

Small-Scale Fluctuations of Relic Radiation

Sunyaev, R. A.; Zeldovich, Ya. B. (Institute of Applied Mathematics, Academy of Sciences of the U.S.S.R.)

Cathode Rays

Thomson, J. J. (F.R.S., Cavendish Professor of Experimental Physics, Cambridge)

tipa -- 6/25/2010

Masses of Neutron Stars in High-Mass X-ray Binaries with Optical Astrometry

Authors: John A. Tomsick (SSL/UC Berkeley), Matthew W. Muterspaugh (Tennessee State University)

Is Eta Carinae a fast rotator, and how much does the companion influence the inner wind structure?

Authors: Jose H. Groh (Max-Planck-Institute for Radioastronomy), Thomas I. Madura (U Delaware), Stanley P. Owocki (U Delaware), D. John Hillier (U Pittsburgh), Gerd Weigelt (MPIfR)

On possibility of synthesizing superheavy elements in nuclear explosions

Authors: Alexander Botvina, Igor Mishustin, Valery Zagrebaev, Walter Greiner

tipa -- 6/24/2010

UV Luminosity Functions from 113 z~7 and z~8 Lyman-Break Galaxies in the ultra-deep HUDF09 and wide-area ERS WFC3/IR Observations

Authors: R. J. Bouwens (UCSC/Leiden), G.D. Illingworth (UCSC), P. A. Oesch (ETH Zurich), I. Labbe (Carnegie), M. Trenti (U Colorado), P. van Dokkum (Yale), M. Franx (Leiden), M. Stiavelli (STScI), C. M. Carollo (ETH Zurich), D. Magee (UCSC), V. Gonzalez (UCSC)

Angular Momentum and the Validity of the Adiabatic Contraction Assumption

Authors: Laura G. Book (1), Alyson Brooks (1), Annika H. G. Peter (1), Andrew J. Benson (1), Fabio Governato (2) ((1) California Institute of Technology, (2) Astronomy Department, University of Washington)

Sub-Chandrasekhar White Dwarf Mergers as the Progenitors of Type Ia Supernovae

Authors: Marten H. van Kerkwijk (1,2,3), Philip Chang (4), Stephen Justham (2) ((1) UofT, (2) KIAA/PKU, (3) Caltech, (4) CITA)

Evolution of the number of accreting white dwarfs with shell nuclear burning and of occurrence rate of SN Ia

Authors: L.R. Yungelson (Institute of Astronomy, RAS, Moscow, Russia)

Double-detonation sub-Chandrasekhar supernovae: synthetic observables for minimum helium shell mass models

Authors: M. Kromer, S. A. Sim, M. Fink, F. K. Roepke, I. R. Seitenzahl, W. Hillebrandt (MPA Garching)

Nearby Supernova Rates from the Lick Observatory Supernova Search. I. The Methods and Database

Authors: Jesse Leaman (1,2), Weidong Li (1), Ryan Chornock (1,3), Alexei V. Filippenko (1) ((1) UC Berkeley (2) NASA/Ames (3) CfA, Harvard)

Nearby Supernova Rates from the Lick Observatory Supernova Search. II. The Observed Luminosity Functions and Fractions of Supernovae in a Complete Sample

Authors: Weidong Li (1), Jesse Leaman (1,2), Ryan Chornock (1,3), Alexei V. Filippenko (1), Dovi Poznanski (1), Mohan Ganeshalingam (1), Xiaofeng Wang (1,4,5), Maryam Modjaz (1,6), Saurabh Jha (1,7), Ryan J. Foley (1,3,8), Nathan Smith (1) ((1) UC Berkeley (2) NASA/Ames (3) CfA, Harvard (4) Texas A&M (5) THCA, Tsinghua University, China (6) Miller Fellow (7) Rutgers (8) Clay Fellow)

Nearby Supernova Rates from the Lick Observatory Supernova Search. III. The Rate-Size Relation, and the Rates as a Function of Galaxy Hubble Type and Colour

Authors: Weidong Li (1), Ryan Chornock (1,2), Jesse Leaman (1,3), Alexei V. Filippenko (1), Dovi Poznanski (1), Xiaofeng Wang (1,4,5), Mohan Ganeshalingam (1), Filippo Mannucci (6) ((1) UC Berkeley (2) CfA, Harvard (3) NASA/Ames (4) Texas A&M (5) THCA, Tsinghua University, China (6) INAF-Istituto di Radioastronomia)