today in particle astrophysics

Authors: Rupali Chandar (1), Bradley C. Whitmore (2), Hwihyun Kim (3), Catherine Kaleida (3), Max Mutchler (2), Daniela Calzetti (4), Abhijit Saha (5), Robert O'Connell (6), Bruce Balick (7), Howard Bond (2), Marcella Carollo (8), Michael Disney (9), Michael A. Dopita (10), Jay A. Frogel (11), Donald Hall (12), Jon A. Holtzman (13), Randy A. Kimble (14), Patrick McCarthy (15), Francesco Paresce (16), Joe Silk (17), John Trauger (18), Alistair R. Walker (19), Rogier A. Windhorst (3), Erick Young (20) ((1) The University of Toledo, (2) Space Telescope Science Institute, (3) Arizona State University, (4) University of Massachusetts, (5) NOAO, (6) University of Virginia, (7) University of Washington, (8) Institute of Astronomy, ETH-Zurich, (9) Cardiff University, (10) The Australian National University, (11) AURA, Washington, DC, (12) Institute for Astronomy, Honolulu, (13) New Mexico State University, (14) Goddard Space Flight Center, (15) Carnegie Institute of Washington, (16) ESTEC, Noordwijk, (17) University of Oxford, (18) NASA JPL, (19) Cerro Tololo Inter-American Observatory, (20) NASA-Ames Research Center)

High-precision determination of the electric and magnetic form factors of the proton

Authors: J. C. Bernauer, P. Achenbach, C. Ayerbe Gayoso, R. Böhm, D. Bosnar, L. Debenjak, M. O. Distler, L. Doria, A. Esser, H. Fonvieille, M. Gómez Rodríguez de la Paz, J. M. Friedrich, J. Friedrich, M. Makek, H. Merkel, D. G. Middleton, U. Müller, L. Nungesser, J. Pochodzalla, M. Potokar, Sánchez Majos, B.S. Schlimme, S. Širca, Th. Walcher, M. Weinriefer

tipa -- 7/29/2010

The Absolute Magnitudes of Type Ia Supernovae in the Ultraviolet

Authors: Peter J. Brown, Peter W. A. Roming, Peter Milne, Filomena Bufano, Robin Ciardullo, Nancy Elias-Rosa, Alexei V. Filippenko, Ryan J. Foley, Neil Gehrels, Caryl Gronwall, Malcolm Hicken, Stephen T. Holland, Erik A. Hoversten, Stefan Immler, Robert P. Kirshner, Weidong Li, Paolo Mazzali, Mark M. Phillips, Tyler Pritchard, Martin Still, Massimo Turatto, Daniel Vanden Berk

No Indications of Axion-Like Particles From Fermi

Authors: Alexander V. Belikov, Lisa Goodenough, Dan Hooper

Gamma-ray spectrum from supernova remnants interacting with molecular clouds

Authors: Yutaka Ohira, Kohta Murase, Ryo Yamazaki

Secondary atmospheric tau neutrino production

Authors: Alexander Bulmahn, Mary Hall Reno

Search for long-range forces of a neutron and atoms with a trap of ultracold neutrons

Authors: A.P.Serebrov, O.M.Zherebtsov, S.V.Sbitnev

tipa -- 7/28/2010

GALEX and Pan-STARRS1 Discovery of SN IIP 2010aq: The First Days After Shock Breakout in a Red Supergiant Star

Authors: S. Gezari, A. Rest, M. E. Huber, G. Narayan, K. Forster, J. D. Neill, D. C. Martin, S. Valenti, S. J. Smartt, R. Chornock, E. Berger, A. M. Soderberg, S. Mattila, E. Kankare, W. S. Burgett, K. C. Chambers, T. Dombeck, T. Grav, J. N. Heasley, K. W. Hodapp, R. Jedicke, N. Kaiser, R. Kudritzki, G. Luppino, R. H. Lupton, E. A. Magnier, D. G. Monet, J. S. Morgan, P. M. Onaka, P. A. Price, P. H. Rhoads, W. A. Siegmund, C. W. Stubbs, J. L. Tonry, R. J. Wainscoat, M. F. Waterson, C. G. Wynn-Williams

Direct Observation of the Cooling of the Cassiopeia A Neutron Star

Authors: Craig O. Heinke (University of Alberta), Wynn C. G. Ho (University of Southampton)

On the morphology of the electron-positron annihilation emission as seen by SPI/INTEGRAL

Authors: Laurent Bouchet, Jean-Pierre Roques, Elisabeth Jourdain

Measurement of the Neutrino Neutral-Current Elastic Differential Cross Section

Authors: The MiniBooNE Collaboration

Combined CDF and D0 Upper Limits on Standard Model Higgs-Boson Production with up to 6.7 fb-1 of Data

Authors: The CDF Collaboration, The D0 Collaboration, the Tevatron New Physics, Higgs Working Group

tipa -- 7/27/2010

Authors: Mark Vogelsberger (1), Roya Mohayaee (2), Simon D.M. White (3) ((1) Harvard/CfA, (2) IAP Paris, (3) MPA)

Virialization of high redshift dark matter haloes

Authors: Andrew Davis, Anson D'Aloisio, Priyamvada Natarajan

A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: The Darkest Galaxy

Authors: Joshua D. Simon (Carnegie), Marla Geha (Yale), Quinn E. Minor, Gregory D. Martinez (UC Irvine), Evan N. Kirby (Caltech), James S. Bullock, Manoj Kaplinghat (UC Irvine), Louis E. Strigari (Stanford), Beth Willman (Haverford), Philip I. Choi (Pomona), Erik J. Tollerud, Joe Wolf (UC Irvine)

Indirect Dark Matter Detection Limits from the Ultra-Faint Milky Way Satellite Segue 1

Authors: Rouven Essig (1), Neelima Sehgal (2), Louis E. Strigari (2), Marla Geha (3), Joshua D. Simon (4) ((1) SLAC, (2) KIPAC/Stanford/SLAC, (3) Yale, (4) Carnegie Observatories)

Black hole-neutron star mergers: effects of the orientation of the black hole spin

Authors: Francois Foucart, Matthew D. Duez, Lawrence E. Kidder, Saul A. Teukolsky

Spectropolarimetric Signatures of Clumpy Supernova Ejecta

Authors: K. T. Hole, D. Kasen, K. H. Nordsieck

Searching for the most distant blazars with the Fermi Gamma-ray Space Telescope

Authors: Yoshiyuki Inoue, Susumu Inoue, Tomonori Totani, Masakazu A. R. Kobayashi, Jun Kataoka, Rie Sato

Radioactive 26Al from the Scorpius-Centaurus Association

Authors: Roland Diehl, Michael G. Lang, Pierrick Martin, Henrike Ohlendorf, Thomas Preibisch, Rasmus Voss, Pierre Jean, Jean-Pierre Roques, Peter von Ballmoos, Wei Wang

tipa -- 7/26/2010

Nucleosynthesis in High-Entropy Hot-Bubbles of SNe and Abundance Patterns of Extremely Metal-Poor Stars

Authors: Natsuko Izutani, Hideyuki Umeda

Neutron-rich chromium isotope anomalies in supernova nanoparticles

Authors: Nicolas Dauphas, Laurent Remusat, James Chen, Mathieu Roskosz, Dimitri Papanastassiou, Julien Stodolna, Yunbin Guan, Chi Ma, John Eiler

Nuclear Reaction Uncertainties, Massive Gravitino Decays and the Cosmological Lithium Problem

Authors: Richard H. Cyburt, John Ellis, Brian D. Fields, Feng Luo, Keith A. Olive, Vassilis C. Spanos

classic papers of the week -- 159

Resonance Absorption by Nuclear Magnetic Moments in a Solid

Purcell, E. M.; Torrey, H. C.; Pound, R. V. (Radiation Laboratory, Massachusetts Institute of Technology, Cambridge, MA)

A Search for Faint Blue Stars

Humason, M. L.; Zwicky, F. (Mount Wilson Observatory and California Institute of Technology)

Unrealistic optimism about future life events

Neil D. Weinstein (Department of Human Ecology and Social Sciences, Cook College, Rutgers—The State University)

tipa -- 7/23/2010

Determination of the Axial-Vector Weak Coupling Constant with Polarized Ultracold Neutrons

Authors: UCNA Collaboration: J. Liu, M. P. Mendenhall, A. T. Holley, H. O. Back, T. J. Bowles, L. J. Broussard, R. Carr, S. Clayton, S. Currie, B. W. Filippone, A. Garcia, P. Geltenbort, K. P. Hickerson, J. Hoagland, G. E. Hogan, B. Hona, T. M. Ito, C.-Y. Liu, M. Makela, R. R. Mammei, J. W. Martin, D. Melconian, C. L. Morris, R. W. Pattie Jr., A. Perez Galvan, M. L. Pitt, B. Plaster, J. C. Ramsey, R. Rios, R. Russell, A. Saunders, S. Seestrom, W. E. Sondheim, E. Tatar, R. B. Vogelaar, B. VornDick, C. Wrede, H. Yan, A. R. Young

A Search for Hidden Sector Photons with ADMX

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

tipa -- 7/22/2010

A Galactic Center Origin for HE 0437-5439, the Hypervelocity Star near the Large Magellanic Cloud

Authors: Warren R. Brown (1), Jay Anderson (2), Oleg Y. Gnedin (3), Howard E. Bond (2), Margaret J. Geller (1), Scott J. Kenyon (1), Mario Livio (2) ((1) Smithsonian Astrophysical Observatory, (2) Space Telescope Science Institute, (3) University of Michigan)

Willman 1 - a probable dwarf galaxy with an irregular kinematic distribution

Authors: Beth Willman, Marla Geha, Jay Strader, Louis E. Strigari, Joshua D. Simon, Evan Kirby, Alex Warres

Aspherical Supernova Shock Breakout and the Observations of Supernova 2008D

Authors: Sean M. Couch, David Pooley, J. Craig Wheeler, Milos Milosavljevic

tipa -- 7/21/2010

The R136 star cluster hosts several stars whose individual masses greatly exceed the accepted 150 Msun stellar mass limit

Authors: Paul A Crowther (Sheffield), Olivier Schnurr (Sheffield, AIP), Raphael Hirschi (Keele, Tokyo), Norhasliza Yusof (Malaya), Richard J Parker (Sheffield), Simon P Goodwin (Sheffield), Hasan Abu Kassim (Malaya)

MAGIC Upper Limits for two Milagro-detected, Bright Fermi Sources in the Region of SNR G65.1+0.6

Authors: J. Aleksić, L. A. Antonelli, P. Antoranz, M. Backes, J. A. Barrio, D. Bastieri, J. Becerra González, W. Bednarek, A. Berdyugin, K. Berger, E. Bernardini, A. Biland, O. Blanch, R. K. Bock, A. Boller, G. Bonnoli, P. Bordas, D. Borla Tridon, V. Bosch-Ramon, D. Bose, I. Braun, T. Bretz, M. Camara, E. Carmona, A. Carosi, P. Colin, J. L. Contreras, J. Cortina, S. Covino, F. Dazzi, A. De Angelis, E. De Cea del Pozo, B. De Lotto, M. De Maria, F. De Sabata, C. DelgadoMendez, A. Diago Ortega, M. Doert, A. Domínguez, D. Dominis Prester, D. Dorner, M. Doro, D. Elsaesser, M. Errando, D. Ferenc, M. V. Fonseca, L. Font, R. J. García López, M. Garczarczyk, M. Gaug, G. Giavitto, N. Godinović, D. Hadasch, A. Herrero, D. Hildebrand, D. Höhne-Mönch, J. Hose, D. Hrupec, T. Jogler, S. Klepser, T. Krähenbühl, D. Kranich, J. Krause, A. La Barbera, E. Leonardo, E. Lindfors, S. Lombardi, F. Longo, M. López, E. Lorenz, P. Majumdar, G. Maneva, N. Mankuzhiyil, K. Mannheim, L. Maraschi, M. Mariotti, M. Martínez, D. Mazin, M. Meucci, J. M. Miranda, R. Mirzoyan, H. Miyamoto, J. Moldón, A. Moralejo, D. Nieto, K. Nilsson, R. Orito, I. Oya, R. Paoletti, J. M. Paredes, S. Partini, M. Pasanen, F. Pauss, R. G. Pegna, M. A. Perez-Torres, M. Persic, L. Peruzzo, J. Pochon, F. Prada, P. G. Prada Moroni, E. Prandini, N. Puchades, I. Puljak, I. Reichardt, R. Reinthal, W. Rhode, M. Ribó, J. Rico, M. Rissi, S. Rügamer, A. Saggion, K. Saito, T. Y. Saito, M. Salvati, M. Sánchez-Conde, K. Satalecka, V. Scalzotto, V. Scapin, C. Schultz, T. Schweizer, M. Shayduk, S. N. Shore, A. Sierpowska-Bartosik, A. Sillanpää, J. Sitarek, D. Sobczynska, F. Spanier, S. Spiro, A. Stamerra, B. Steinke, J. Storz, N. Strah, J. C. Struebig, T. Suric, L. Takalo, F. Tavecchio, P. Temnikov, T. Terzić, D. Tescaro, M. Teshima, D. F. Torres, H. Vankov, R. M. Wagner, Q. Weitzel, V. Zabalza, F. Zandanel, R. Zanin

Fermi observations of high-energy gamma-ray emission from GRB 090217A

Authors: Fermi-LAT, Fermi-GBM Collaborations

Dark Matter decay and annihilation in the Local Universe: CLUES from Fermi

Authors: A.J. Cuesta (IAA-CSIC), T.E. Jeltema (UCO/Lick), F. Zandanel (IAA-CSIC), S. Profumo (UCSC), F. Prada (IAA-CSIC), G. Yepes (UAM), A. Klypin (NMSU), Y. Hoffman (HU), S. Gottloeber (AIP), J. Primack (UCSC), M.A. Sanchez-Conde (IAC), C. Pfrommer (CITA)

tipa -- 7/20/2010

The Subluminous Supernova 2007qd: A Missing Link in a Family of Low-Luminosity Type Ia Supernovae

Authors: Colin M. McClelland, Peter M. Garnavich, Lluís Galbany, Ramon Miquel, Ryan J. Foley, Alexei V. Filippenko, Bruce Bassett, J. Craig Wheeler, Ariel Goobar, Saurabh W. Jha, Masao Sako, Joshua A. Frieman, Jesper Sollerman, Jozsef Vinko, Donald P. Schneider

Cosmic-Ray Acceleration Efficiency vs Temperature Equilibration: the Case of SNR 0509-67.5

Authors: E.A. Helder, D. Kosenko, J. Vink

X-ray Evolution of Pulsar Wind Nebulae

Authors: Aya Bamba (1,2), Takayasu Anada (2), Tadayasu Dotani (2), Koji Mori (3), Ryo Yamazaki (4), Ken Ebisawa (2), Jacco Vink (5) ((1) DIAS (2) ISAS/JAXA (3) Miyazaki U. (4) Aoyama-Gakuin U. (5) Utrecht U.)

Diffuse supernova neutrinos at underground laboratories

Authors: Cecilia Lunardini

LSND reloaded

Authors: Sanjib K. Agarwalla, Patrick Huber

tipa -- 7/19/2010

Phenomenology of the Equivalence Principle with Light Scalars

Authors: Thibault Damour, John F. Donoghue

Evolutionary and pulsational properties of white dwarf stars

Authors: Leandro G. Althaus, Alejandro H. Córsico, Jordi Isern, Enrique Garcí a-Berro

The exotic fraction among unassociated Fermi sources

Authors: N. Mirabal, D. Nieto, S. Pardo (Universidad Complutense de Madrid)

Impure Thoughts on Inelastic Dark Matter

Authors: Spencer Chang, Rafael F. Lang, Neal Weiner

A Search for Lorentz Invariance and CPT Violation with the MINOS Far Detector

Authors: MINOS Collaboration

classic papers of the week -- 158

Secular perturbations of asteroids with high inclination and eccentricity

Kozai, Yoshihide (Smithsonian Astrophysical Observatory, Cambridge, MA)

The Scattering of Positrons by Electrons with Exchange on Dirac's Theory of the Positron

Bhabha, H. J. (Gonville and Caius College)

The Transistor, A Semi-Conductor Triode

Bardeen, J.; Brattain, W. H. (Bell Telephone Laboratories, Murray Hill, NJ)

tipa -- 7/16/2010

Dark Matter Contraction and the Stellar Content of Massive Early-type Galaxies: Disfavoring "Light" Initial Mass Functions

Authors: M. W. Auger (1), T. Treu (1), R. Gavazzi (2), A. S. Bolton (3), L. V. E. Koopmans (4), P. J. Marshall (5) ((1) UCSB, (2) IAP, (3) Utah, (4) Kapteyn, (5) SLAC)

Neutron Star Radius Measurement with the Quiescent Low-Mass X-ray Binary U24 in NGC 6397

Authors: Sebastien Guillot, Robert E. Rutledge, Edward F. Brown

Pressure Support in Galaxy Disks: Impact on Rotation Curves and Dark Matter Density Profiles

Authors: J. J. Dalcanton, A. Stilp

An Experimental Exploration of the QCD Phase Diagram: The Search for the Critical Point and the Onset of De-confinement

Authors: STAR Collaboration

Authors: Yu Seon Jeong, Mary Hall Reno (University of Iowa)

tipa -- 7/12/2010

Fermi Large Area Telescope Observations of Misaligned AGN

Authors: Fermi-LAT Collaboration

Constraints on Small-Scale Structures of Dark Matter from Flux Anomalies in Quasar Gravitational Lenses

Authors: R. Benton Metcalf, Adam Amara

UHECRs from magnetic reconnection in relativistic jets

Authors: Dimitrios Giannios (Princeton University)

The Size Evolution of Passive Galaxies: Observations from the Wide Field Camera 3 Early Release Science Program

Authors: R. E. Ryan Jr., P. J. McCarthy, S. H. Cohen, H. Yan, N. P. Hathi, A. M. Koekemoer, M. J. Rutkowski, M. R. Mechtley, R. A. Windhorst, R. W. O'Connell, B. Balick, H. E. Bond, H. Bushouse, D. Calzetti, R. M. Crockett, M. Disney, M. A. Dopita, J. A. Frogel, D. N. B. Hall, J. A. Holtzman, S. Kaviraj, R. A. Kimble, J. MacKenty, M. Mutchler, F. Paresce, A. Saha, J. I. Silk, J. Trauger, A. R. Walker, B. C. Whitmore, E. Young

classic papers of the week -- 157

Broken Symmetries

Jeffrey Goldstone (Trinity College, Cambridge University); Abdus Salam, Steven Weinberg (Imperial College of Science and Technology, London, England)

Fluid dynamics of relativistic blast waves

Blandford, R. D.; McKee, C. F. (University of California, Berkeley)

Quantal Phase Factors Accompanying Adiabatic Changes

Berry, M. V. (H. H. Wills Physical Laboratory, University of Bristol)

tipa -- 7/9/2010

IceCube: An Instrument for Neutrino Astronomy

Authors: Francis Halzen, Spencer R. Klein

Introducing the Fission-Fusion Reaction Process: Using a Laser-Accelerated Th Beam to produce Neutron-Rich Nuclei towards the N=126 Waiting Point of the r Process

Authors: D. Habs, P.G. Thirolf, M. Gross, K. Allinger, J. Bin, A. Henig, D. Kiefer, W. Ma, J. Schreiber

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