today in particle astrophysics

tipa -- 6/30/2009

The Dark Universe

Authors: Matthias Bartelmann (Zentrum fuer Astronomie, Universitaet Heidelberg, Institut fuer Theoretische Astrophysik)

Theory of cosmic ray and gamma-ray production in the supernova remnant RX J0852.0-4622

Authors: E. G. Berezhko (1), G. Pühlhofer (2), H. J. Völk (3) ((1) Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy, (2) Landessternwarte, (3) Max Planck Institut für Kernphysik)

Galaxy Zoo : 'Hanny's Voorwerp', a quasar light echo?

Authors: Chris Lintott, Kevin Schawinski, William Keel, Hanny van Arkel, Nicola Bennert, Edward Edmondson, Daniel Thomas, Daniel Smith, Peter Herbert, Matt Jarvis, Shanil Virani, Dan Andreescu, Steven Bamford, Kate Land, Phil Murray, Robert Nichol, Jordan Raddick, Anze Slosar, Alex Szalay, Jan Vandenberg

Shockwaves in Supernovae: New Implications on the Diffuse Supernova Neutrino Background

Authors: Sebastien Galais, James Kneller, Cristina Volpe, Jerome Gava

tipa -- 6/26/2009

Measuring the cosmic ray acceleration efficiency of a supernova remnant

Authors: E.A.Helder, J. Vink, C.G. Bassa, A. Bamba, J.A.M. Bleeker, S. Funk, P. Ghavamian, K. J. van der Heyden, F. Verbunt, R. Yamazaki

tipa -- 6/25/2009

Polarization signature of gamma-ray bursts from fragmented fireballs

Authors: Davide Lazzati (NCSU), Mitchell Begelman (JILA)

Caustics in growing Cold Dark Matter Haloes

Authors: Mark Vogelsberger (1), Simon D.M. White (1), Roya Mohayaee (2), Volker Springel (1) ((1) MPA, (2) IAP Paris)

Can substructure in the Galactic Halo explain the ATIC and PAMELA results?

Authors: P.J. Elahi (1), L.M. Widrow (1), R.J. Thacker (2) ((1) Queen's University, (2) Saint Mary's University)

Resonant enhancement of nuclear reactions as a possible solution to the cosmological lithium problem

Authors: Richard H. Cyburt, Maxim Pospelov

Muon Fluxes From Dark Matter Annihilation

Authors: Arif Emre Erkoca, Mary Hall Reno, Ina Sarcevic

tipa -- 6/24/2009

A Constrain on Inelastic Dark Matter Signal using ZEPLIN-II Results

Authors: D.B. Cline, W. Ooi, H. Wang

Cosmography with the Einstein Telescope

Authors: B.S. Sathyaprakash (Cardiff University), Bernard Schutz (MPI for Gravitational Physics - Albert Einstein Institute, Cardiff University), Chris Van Den Broeck (Cardiff University)

Sibyll 2.1

Authors: Eun-Joo Ahn, Ralph Engel, Thomas K. Gaisser, Paolo Lipari, Todor Stanev

tipa -- 6/23/2009

Ultra-high precision cosmology from gravitational waves

Authors: Curt Cutler, Daniel E. Holz

LUNASKA Experiment Observational Limits on UHE Neutrinos from Centaurus A and the Galactic Center

Authors: C.W. James, R.J. Protheroe, R.D. Ekers, J. Alvarez-Muñiz, R.A. McFadden, C.J. Phillips, P. Roberts, J.D. Bray

Cosmic ray acceleration parameters from multi-wavelength observations. The case of SN 1006

Authors: E.G. Berezhko, L.T. Ksenofontov, H.J. Voelk

Cosmic Ray Measurements with the KASCADE-Grande Experiment

Authors: KASCADE-Grande Collaboration: W.D.Apel, J.C.Arteaga, F.Badea, K.Bekk, M.Bertaina, J.Bluemer, H.Bozdog, I.M.Brancus, M.Brueggemann, P.Buchholz, E.Cantoni, A.Chiavassa, F.Cossavella, K.Daumiller, V.deSouza, F.DiPierro, P.Doll, R.Engel, J.Engler, M.Finger, D.Fuhrmann, P.L.Ghia, H.J.Gils, R.Glasstetter, C.Grupen, A.Haungs, D.Heck, J.R.Hoerandel, T.Huege, P.G.Isar, K.-H.Kampert, D.Kang, D.Kickelbick, H.O.Klages, P.Luczak, H.J.Mathes, H.J.Mayer, J.Milke, B.Mitrica, C.Morello, G.Navarra, S.Nehls, J.Oehlschlaeger, S.Ostapchenko, S.Over, M.Petcu, T.Pierog, H.Rebel, M.Roth, H.Schieler, F.Schroeder, O.Sima, M.Stuempert, G.Toma, G.C.Trinchero, H.Ulrich, A.Weindl, J.Wochele, M.Wommer, J.Zabierowski

Wide and deep near-UV (360nm) galaxy counts and the extragalactic background light with the Large Binocular Camera

Authors: A. Grazian (1), N. Menci (1), E. Giallongo (1), S. Gallozzi (1), F. Fontanot (2,3), A. Fontana (1), V. Testa (1), R. Ragazzoni (4), A. Baruffolo (4), G. Beccari (5), E. Diolaiti (6), A. Di Paola (1), J. Farinato (4), F. Gasparo (2), G. Gentile (4), R. Green (7), J. Hill (7), O. Kuhn (7), F. Pasian (2), F. Pedichini (1), M. Radovich (8), R. Smareglia (2), R. Speziali (1), D. Thompson (7), R. M. Wagner (7) ((1) INAF - Osservatorio Astronomico di Roma, Monteporzio, Italy, (2) INAF - Osservatorio Astronomico di Trieste, Trieste, Italy, (3) MPIA Max-Planck-Institute fur Astronomie, Heidelberg, Germany (4) INAF - Osservatorio Astronomico di Padova, Padova, Italy, (5) ESA, Space Science Department, Noordwijk, Netherlands (6) INAF - Osservatorio Astronomico di Bologna, Bologna, Italy, (7) Large Binocular Telescope Observatory, University of Arizona, Tucson, AZ, (8) INAF - Osservatorio Astronomico di Capodimonte, Napoli, Italy)

tipa -- 6/22/2009

No visible optical variability from a relativistic blast wave encountering a wind-termination shock

Authors: H.J. van Eerten, Z. Meliani, R.A.M.J. Wijers, R. Keppens

Dynamical masses of early-type galaxies at z~2: Are they truly superdense?

Authors: Michele Cappellari, S. di Serego Alighieri, A. Cimatti, E. Daddi, A. Renzini, J. D. Kurk, P. Cassata, M. Dickinson, A. Franceschini, M. Mignoli, L. Pozzetti, G. Rodighiero, P. Rosati, G. Zamorani

Condensed Matter Astrophysics: A Prescription for Determining the Species-Specific Composition and Quantity of Interstellar Dust using X-rays

Authors: Julia C. Lee, Jingen Xiang (Harvard), Bruce Ravel (NIST), Jeffrey Kortright (LBNL), Kathryn Flanagan (STScI)

Bounding the mass of the graviton with gravitational waves: Effect of spin precessions in massive black hole binaries

Authors: Adamantios Stavridis (Washington U. St. Louis), Clifford M. Will (Washington U. St. Louis & Institut d'Astrophysique de Paris)

Effect of Long-lived Strongly Interacting Relic Particles on Big Bang Nucleosynthesis

Authors: Motohiko Kusakabe, Toshitaka Kajino, Takashi Yoshida, Grant J. Mathews

Interpretation of the Underground Muon Charge Ratio

Authors: P. A. Schreiner, J. Reichenbacher, M.C. Goodman

QCD Precision Measurements and Structure Function Extraction at a High Statistics, High Energy Neutrino Scattering Experiment: NuSOnG

Authors: T. Adams, P. Batra, L. Bugel, L. Camilleri, J. M. Conrad, A. de Gouvêa, P. H. Fisher, J. A. Formaggio, J. Jenkins, G. Karagiorgi, T. R. Kobilarcik, S. Kopp, G. Kyle, W. A. Loinaz, D. A. Mason, R. Milner, R. Moore, J. G. Morfín, M. Nakamura, D. Naples, P. Nienaber, F. I. Olness, J. F. Owens, S. F. Pate, A. Pronin, W. G. Seligman, M. H. Shaevitz, H. Schellman, I. Schienbein, M. J. Syphers, T. M. P. Tait, T. Takeuchi, C. Y. Tan, R. G. Van de Water, R. K. Yamamoto, J. Y. Yu

tipa -- 6/19/2009

Discovery of the energetic pulsar J1747-2809 in the supernova remnant G0.9+0.1

Authors: F. Camilo (Columbia U.), S. M. Ransom (NRAO), B. M. Gaensler (U. Sydney), D. R. Lorimer (WVU)

Search for Dark Matter with CRESST

Authors: Rafael F. Lang, Wolfgang Seidel

Dark matter substructure and dwarf galactic satellites

Authors: Andrey V. Kravtsov (KICP, U.Chicago)

The radio counterpart of the likely TeV binary HESS J0632+057

Authors: J.L. Skilton, M. Pandey-Pommier, J.A. Hinton, C.C. Cheung, F.A. Aharonian, J. Brucker, G. Dubus, A. Fiasson, S. Funk, Y.A. Gallant, A. Marcowith, O. Reimer

tipa -- 6/18/2009

Evidence for horizon-scale power from CMB polarization

Authors: Michael J. Mortonson, Wayne Hu (KICP, UChicago)

Neutrino oscillations in magnetically driven supernova explosions

Authors: Shio Kawagoe, Tomoya Takiwaki, Kei Kotake

tipa -- 6/17/2009

A high stellar velocity dispersion for a compact massive galaxy at z=2.2

Authors: Pieter G. van Dokkum, Mariska Kriek, Marijn Franx

0FGL J1830.3+0617: A Fermi Blazar Near the Galactic Plane

Authors: N. Mirabal (Universidad Complutense de Madrid), J. P. Halpern (Columbia University)

A unique core-collapse supernova in an elliptical galaxy

Authors: K. S. Kawabata, K. Maeda, K. Nomoto, S. Taubenberger, M. Tanaka, T. Hattori, K. Itagaki

The Trouble with the Local Bubble

Authors: Barry Y. Welsh, Robin L. Shelton

Search for Excess Dimuon Production in the Radial Region (1.6 < r < 10) cm at the D0 Experiment

Authors: Mark Williams, for the D0 Collaboration

On the Origin of Neutrino Masses

Authors: Pavel Fileviez Perez, Mark B. Wise

Sterile neutrinos: the dark side of the light fermions

Authors: Alexander Kusenko

tipa -- 6/16/2009

The Ultraviolet Spectrum of the Gravitationally Lensed Galaxy `The Cosmic Horseshoe': A Close-up of a Star-forming Galaxy at z = 2

Authors: Anna M. Quider (Institute of Astronomy, University of Cambridge), Max Pettini (Institute of Astronomy, University of Cambridge), Alice E. Shapley (Department of Physics and Astronomy, University of California, Los Angeles) Charles C. Steidel (California Institute of Technology)

High-Energy Astrophysics with Neutrino Telescopes

Authors: T. Chiarusi, M. Spurio

H.E.S.S. observations of massive stellar clusters

Authors: Stefan Ohm, Dieter Horns, Olaf Reimer, Jim Hinton, Gavin Rowell, Emma de Oña Wilhelmi, Milton Virgilio Fernandes, Fabio Acero, Alexandre Marcowith (the H.E.S.S. Collaboration)

Measurement of the two neutrino double beta decay half-life of Zr-96 and search for associated neutrinoless processes with the NEMO-3 detector

Authors: J. Argyriades, R. Arnold, C. Augier, J. Baker, A.S. Barabash, M. Bongrand, G. Broudin-Bay, V.B. Brudanin, A.J. Caffrey, A. Chapon, E. Chauveau, Z. Daraktchieva, D. Durand, V.G. Egorov, N. Fatemi-Ghomi, R. Flack, A. Freshville, B. Guillon, Ph. Hubert, S. Jullian, M. Kauer, S. King, O.I. Kochetov, S.I. Konovalov, V.E. Kovalenko, D. Lalanne, K. Lang, Y. Lemiere, G. Lutter, F. Mamedov, Ch. Marquet, J. Martin-Albo, F. Mauger, A. Nachab, I. Nasteva, I.B. Nemchenok, F. Nova, P. Novella, H. Ohsumi, R.B. Pahlka, F. Perrot, F. Piquemal, J.L. Reyss, J.S. Ricol, R. Saakyan, X. Sarazin, L. Simard, Yu.A. Shitov, A.A. Smolnikov, S. Snow, S. Soldner-Rembold, I. Stekl, C.S. Sutton, G. Szklarz, J. Thomas, V.V. Timkin, V.I. Tretyak, Vl.I. Tretyak, V.I. Umatov, L. Vala, I.A. Vanyushin, V.A. Vasiliev, V. Vorobel, Ts. Vylov

tipa -- 6/15/2009

New Observations of the Very Luminous Supernova 2006gy: Evidence for Echoes

Authors: A. A. Miller (1), N. Smith (1), W. Li (1), J. S. Bloom (1), R. Chornock (1), A. V. Filippenko (1), J. X. Prochaska (2, 3) (1. UC Berkeley, 2. UCO, 3. UC Santa Cruz)

The Contribution Of Inverse Compton Scattering To The Diffuse Extragalactic Gamma-Ray Background From Annihilating Dark Matter

Authors: Alexander V. Belikov, Dan Hooper

The different progenitors of type Ib, Ic SNe, and of GRB

Authors: Cyril Georgy, Georges Meynet, Rolf Walder, Doris Folini, André Maeder

Studies of Cosmic Ray Composition and Air Shower Structure with the Pierre Auger Observatory

Authors: The Pierre Auger Collaboration

Astrophysical Sources of Cosmic Rays and Related Measurements with the Pierre Auger Observatory

Authors: The Pierre Auger Collaboration

tipa -- 6/12/2009

Simultaneous multiwavelength observations of the second exceptional gamma-ray flare of PKS 2155-304 in July 2006

Authors: HESS Collaboration: F. Aharonian, et al

A new type of stellar explosion

Authors: H. B. Perets, A. Gal-Yam, P. Mazzali, D. Arnett, D. Kagan, A. V. Filippenko, W. Li, S. B. Cenko, D. B. Fox, D. C. Leonard, D.-S. Moon, D. J. Sand, A. M. Soderberg, R. J. Foley, M. Ganeshalingam, J. P. Anderson, P. A. James, E. O. Ofek, L. Bildsten, G. Nelemans, K. J. Shen, N. N. Weinberg, B. D. Metzger, A. L. Piro, E. Quataert, M. Kiewe, D. Poznanski

Cosmic-ray origin in OB associations and preferential acceleration of refractory elements: Evidence from abundances of elements 26Fe through 34Se

Authors: B. F. Rauch, J. T. Link, K. Lodders, M. H. Israel, L. M. Barbier, W. R. Binns, E. R. Christian, J. R. Cummings, G. A. de Nolfo, S. Geier, R. A. Mewaldt, J. W. Mitchell, S. M. Schindler, L. M. Scott, E. C. Stone, R. E. Streitmatter, C. J. Waddington, M. E. Wiedenbeck

The Cosmic Ray Energy Spectrum and Related Measurements with the Pierre Auger Observatory

Authors: The Pierre Auger Collaboration

Big Bang Nucleosynthesis and Particle Dark Matter

Authors: Karsten Jedamzik, Maxim Pospelov

tipa -- 6/11/2009

Investigating the Far-IR/Radio Correlation of Star Forming Galaxies to z=3

Authors: N. Seymour (1 and 2), M. Huynh (3), T. Dwelly (4), M. Symeonidis (1), A. Hopkins (5), I.M. McHardy (4) M. Page (1), G. Rieke (6) ((1) UCL/MSSL, (2) Spitzer Science Center, (3) IPAC, (4) University of Southampton, (5) Anglo-Australian Telescope, (6) Steward Observatory)

Discovery of a 692.5 s period in the X-ray Binary 4U 1820-30: an indication of a superhumper?

Authors: Zhongxiang Wang (McGill), Deepto Chakrabarty (MIT)

Precision determination of electroweak parameters and the strange content of the proton from neutrino deep-inelastic scattering

Authors: The NNPDF Collaboration: Richard D.Ball, Luigi Del Debbio, Stefano Forte, Alberto Guffanti, Jose I.Latorre, Andrea Piccione, Juan Rojo, Maria Ubiali

tipa -- 6/10/2009

A glimpse of the end of the dark ages: the gamma-ray burst of 23 April 2009 at redshift 8.3

Authors: N. R. Tanvir, D. B. Fox, A. J. Levan, E. Berger, K. Wiersema, J. P. U. Fynbo, A. Cucchiara, T. Kruehler, N. Gehrels, J. S. Bloom, J. Greiner, P. Evans, E. Rol, F. Olivares, J. Hjorth, P. Jakobsson, J. Farihi, R. Willingale, R. L. C. Starling, S. B. Cenko, D. Perley, J. R. Maund, J. Duke, R. A. M. J. Wijers, A. J. Adamson, A. Allan, M. N. Bremer, D. N. Burrows, A. J. Castro Tirado, B. Cavanagh, A. de Ugarte Postigo, M. A. Dopita, T. A. Fatkhullin, A. S. Fruchter, R. J. Foley, J. Gorosabel, S. T. Holland, J. Kennea, T. Kerr, S. Klose, H. A. Krimm, V. N. Komarova, S. R. Kulkarni, A. S. Moskvitin, T. Naylor, B. E. Penprase, M. Perri, P. Podsiadlowski, K. Roth, R. E. Rutledge, T. Sakamoto, P. Schady, B. P. Schmidt, A. M. Soderberg, J. Sollerman, A. W. Stephens, G. Stratta, T. N. Ukwatta, D. Watson, E. Westra, T. Wold, C. Wolf

GRB 090423 reveals an exploding star at the epoch of re-ionization

Authors: R. Salvaterra, M. Della Valle, S. Campana, G. Chincarini, S. Covino, P. D'Avanzo, A. Fernandez-Soto, C. Guidorzi, F. Mannucci, R. Margutti, C.C. Thoene, L.A. Antonelli, S.D. Barthelmy, M. De Pasquale, V. D'Elia, F. Fiore, D. Fugazza, L.K. Hunt, E. Maiorano, S. Marinoni, F.E. Marshall, E. Molinari, J. Nousek, E. Pian, J.L. Racusin, L. Stella, L. Amati, G. Andreuzzi, G. Cusumano, E.E. Fenimore, P. Ferrero, P. Giommi, D. Guetta, S.T. Holland, K. Hurley, G.L. Israel, J. Mao, C.B. Markwardt, N. Masetti, C. Pagani, E. Palazzi, D.M. Palmer, S. Piranomonte, G. Tagliaferri, V. Testa

A Mid-Infrared Counterpart to the Magnetar 1E 2259+586

Authors: David L. Kaplan, Deepto Chakrabarty, Zhongxiang Wang, Stefanie Wachter

Improved Distances to Type Ia Supernovae with Two Spectroscopic Subclasses

Authors: Xiaofeng Wang (1,2), A. V. Filippenko (1), M. Ganeshalingam (1), W. Li (1), J. M. Silverman (1), L. Wang (3), R.Chornock (1), R.J.Foley (1,4), E.L.Gates (5), B. Macomber (1), F.J.D. Serduke (1), T.N.Steele (1), D. S. Wong (1) ((1) UC Berkeley, (2) Tsinghua University, (3) Texas A&M University, (4) Harvard University, (5) Lick Observatory)

Neutrino Emission from Cooper Pairs and Minimal Cooling of Neutron Stars

Authors: Dany Page (1), James M. Lattimer (2), Madappa Prakash (3), Andrew W. Steiner (4) ((1) Instituto de Astronomia, Universidad Nacional Autonoma de Mexico, Mexico D.F., Mexico, (2) Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY, USA, (3) Department of Physics and Astrononmy, Ohio University, Athens, OH, USA, (4) Joint Institute for Nuclear Astrophysics, National Superconducting Cyclotron Laboratory and Department of Physics and Astrononmy, Michigan State University, East Lansing, MI, USA)

Detection of Large-Scale Cosmic Magnetic Fields

Authors: Jounghun Lee (1), Ue-Li Pen (2), A.Russell Taylor (3), Jeroen M. Stil (3), Caleb Sunstrum (3) ((1) Seoul Nat'l U., (2) CITA, (3) U.Calgary)

Searching for New Physics with Ultrahigh Energy Cosmic Rays

Authors: Floyd W. Stecker (NASA/GSFC), Sean T. Scully (James Madison U.)

tipa -- 6/9/2009

Spectrum and variability of the Galactic Center VHE gamma-ray source HESS J1745-290

Authors: H.E.S.S. collaboration: F. Aharonian, et al

Discovery of Pulsations from the Pulsar J0205+6449 in SNR 3C 58 with the Fermi Gamma-Ray Space Telescope

Authors: Fermi LAT collaboration, Fermi Pulsar Timing Consortium

CMB Constraints on WIMP Annihilation: Energy Absorption During the Recombination Epoch

Authors: Tracy R. Slatyer, Nikhil Padmanabhan, Douglas P. Finkbeiner

tipa -- 6/8/2009

Subaru high-resolution spectroscopy of Star G in the Tycho supernova remnant

Authors: W.E. Kerzendorf, B.P. Schmidt, M. Asplund, K. Nomoto, Ph. Podsiadlowski, A. Frebel, R.A. Fesen, D. Yong

Prospects for GRB Science with the Fermi Large Area Telescope

Authors: D. L. Band, M. Axelsson, L. Baldini, G. Barbiellini, M. G. Baring, D. Bastieri, M. Battelino, R. Bellazzini, E. Bissaldi, G. Bogaert, J. Bonnel, J. Chiang, J. Cohen-Tanugi, V. Connaughton, S. Cutini, F. de Palma, B. L. Dingus, E. do Couto e Silva, G. Fishman, A. Galli, N. Gehrels, N. Giglietto, J. Granot, S. Guiriec, R. E. Hughes, T. Kamae, N. Komin, F. Kuehn, M. Kuss, F. Longo, P. Lubrano, R. M. Kippen, M. N. Mazziotta, J. E. McEnery, S. McGlynn, E. Moretti, T. Nakamori, J. P. Norris, M. Ohno, M. Olivo, N. Omodei, V. Pelassa, F. Piron, R. Preece, M. Razzano, J. J. Russell, F. Ryde, P. M. Saz Parkinson, J. D. Scargle, C. Sgrò, T. Shimokawabe, P. D. Smith, G. Spandre, P. Spinelli, M. Stamatikos, B. L. Winer, R. Yamazaki

Improved measurements of the temperature and polarization of the CMB from QUaD

Authors: QUaD collaboration: M. L. Brown (1), P. Ade (2), J. Bock (3,4), M. Bowden (2,5), G. Cahill (6), P. G. Castro (7,8), S. Church (5), T. Culverhouse (9), R. B. Friedman (9), K. Ganga (10), W. K. Gear (2), S. Gupta (2), J. Hinderks (5,11), J. Kovac (4), A. E. Lange (4), E. Leitch (3,4), S. J. Melhuish (12), Y. Memari (7), J. A. Murphy (6), A. Orlando (2,4), C. O'Sullivan (6), L. Piccirillo (12), C. Pryke (9), N. Rajguru (2,13), B. Rusholme (5,14), R. Schwarz (9), A. N. Taylor (7), K. L. Thompson (5), A. H. Turner (2), E. Y. S. Wu (5), M. Zemcov (2,3,4) ((1) University of Cambridge, (2) Cardiff University, (3) JPL, (4) Caltech, (5) Stanford University, (6) National University of Ireland Maynooth, (7) University of Edinburgh, (8) Universidade Técnica de Lisboa, (9) University of Chicago, (10) Laboratoire APC/CNRS, (11) NASA Goddard, (12) University of Manchester, (13) UCL, (14) IPAC)