tipa -- 12/12/2008

The Graininess of Dark Matter Haloes

• Authors: Marcel Zemp, Jürg Diemand, Michael Kuhlen, Piero Madau, Ben Moore, Doug Potter, Joachim Stadel, Lawrence Widrow

Triggered Star Formation and the Creation of the Supergiant HI Shell in IC 2574

• Authors: Daniel R. Weisz, Evan D. Skillman, John M. Cannon, Fabian Walter, Elias Brinks, Juergen Ott, Andrew E. Dolphin

Astrophysical Probes of Unification

• Authors: Asimina Arvanitaki, Savas Dimopoulos, Sergei Dubovsky, Peter W. Graham, Roni Harnik, Surjeet Rajendran

tipa -- 12/11/2008

The Antarctic Impulsive Transient Antenna Ultra-high Energy Neutrino Detector Design, Performance, and Sensitivity for 2006-2007 Balloon Flight

• Authors: ANITA collaboration: P. Gorham (1), P. Allison (1), S. Barwick (2), J. Beatty (3), D. Besson (4), W. Binns (5), C. Chen (6), P. Chen (6,13), J. Clem (7), A. Connolly (8), P. Dowkontt (5), M. DuVernois (10), R. Field (6), D. Goldstein (2), A. Goodhue (9), C. Hast (6), C. Hebert (1), S. Hoover (9), M. Israel (5), J. Kowalski (1), J. Learned (1), K. Liewer (11), J. Link (1,13), E. Lusczek (10), S. Matsuno (1), B. Mercurio (3), C. Miki (1), P. Miocinovic (1), J. Nam (2,12), C. Naudet (11), R. Nichol (8), K. Palladino (3), K. Reil (6), A. Romero-Wolf (1), M. Rosen (1), L. Ruckman (1), D. Saltzberg (9), D. Seckel (7), G. Varner (1), D. Walz (6), Y. Wang (12), F. Wu (2) ((1) Univ. Hawaii,(2) UC Irvine, (3) Ohio State Univ., (4) Univ. of Kansas, (5) Wash. Univ. St. Louis, (6) SLAC, (7) Univ. of Delaware, (8) Univ. College London, UK, (9) UCLA, (10) Univ. of Minnesota, (11) NASA/JPL, (12) National Taiwan Univ., Taipei, (13) NASA/Goddard.)

tipa -- 12/10/2008

The Young, Massive, Star Cluster Sandage-96 After the Explosion of SN 2004dj in NGC 2403

• Authors: J.Vinko, K.Sarneczky, Z.Balog, S.Immler, B.E.K.Sugerman, P.J. Brown, K.Misselt, Gy.M.Szabo, Sz.Csizmadia, M.Kun, P.Klagyivik, R.J.Foley, A.V.Filippenko, B.Csak, L.L.Kiss

Very high energy gamma-ray observations of the galaxy clusters Abell 496 and Abell 85 with H.E.S.S

• Authors: H.E.S.S. Collaboration: F. Aharonian, et al

Two-component spinor techniques and Feynman rules for quantum field theory and supersymmetry

• Authors: Herbi K. Dreiner, Howard E. Haber, Stephen P. Martin

tipa -- 12/9/2008

Big Bang Nucleosynthesis with Independent Neutrino Distribution Functions

• Authors: Christel J. Smith, George M. Fuller, Michael S. Smith

Galactic vs. Extragalactic Origin of the Peculiar Transient SCP 06F6

• Authors: Noam Soker, Adam Frankowski, Amit Kashi (Technion, Israel)

Could the Fermi-LAT detect gamma-rays from dark matter annihilation in the dwarf galaxies of the Local Group?

• Authors: L. Pieri, A. Pizzella, E. M. Corsini, E. Dalla Bonta', F. Bertola

The June 2008 flare of Markarian 421 from optical to TeV energies

• Authors: The Agile, Gasp-Webt, Magic, Veritas Collaborations: I. Donnarumma, et al

tipa -- 12/8/2008

Stability of Relativistic Jets from Rotating, Accreting Black Holes via Fully Three-Dimensional Magnetohydrodynamic Simulations

• Authors: Jonathan C. McKinney, Roger D. Blandford (Department of Physics and Kavli Institute for Particle Astrophysics and Cosmology, Stanford University)

Result from the First Science Run of the ZEPLIN-III Dark Matter Search Experiment

• Authors: V. N. Lebedenko, H. M. Araujo, E. J. Barnes, A. Bewick, R. Cashmore, V. Chepel, D. Davidge, J. Dawson, T. Durkin, B. Edwards, C. Ghag, V. Graffagnino, M. Horn, A. S. Howard, A. J. Hughes, W. G. Jones, M. Joshi, G. E. Kalmus, A. G. Kovalenko, A. Lindote, I. Liubarsky, M. I. Lopes, R. Luscher, P. Majewski, A. StJ. Murphy, F. Neves, J. Pinto da Cunha, R. Preece, J. J. Quenby, P. R. Scovell, C. Silva, V. N. Solovov, N. J. T. Smith, P. F. Smith, V. N. Stekhanov, T. J. Sumnery, C. Thorne, R. J. Walker

Cosmic-ray electron signatures of dark matter

• Authors: Martin Pohl

Late time observations of GRB080319B: jet break, host galaxy and accompanying supernova

• Authors: Nial R. Tanvir, Evert Rol, Andrew Levan, Andrew Fruchter, Jonathan Granot, Karl M. Svensson, Paul T. O'Brien, Klaas Wiersema, Rhaana L. C. Starling, Pall Jakobsson, Johan Fynbo, Jens Hjorth, Peter Curran, Alexander J. van der Horst, Chryssa Kouveliotou, Judith L. Racusin, David N. Burrows, Frank Genet

classic papers of the week -- 86

A Relativistic Equation for Bound-State Problems

• Salpeter, E. E.; Bethe, H. A. (Newman Laboratory of Nuclear Studies, Cornell University, Ithaca, New York)

See also

On the Masses of Nebulae and of Clusters of Nebulae

• Zwicky, F.

Interaction between Four Half-Spin Particles and the Decay of the μ-Meson

• Michel, L. (Physics Department, University of Manchester)

tipa -- 12/5/2008

Discovery of Very High-Energy Gamma-Ray Radiation from the BL Lac 1ES 0806+524

• Authors: VERITAS Collaboration: V. Acciari, E. Aliu, T. Arlen, M. Bautista, M. Beilicke, W. Benbow, M. Böttcher, S. M. Bradbury, J. H. Buckley, V. Bugaev, Y. Butt, K. Byrum, A. Cannon, O. Celik, A. Cesarini, Y. C. Chow, L. Ciupik, P. Cogan, P. Colin, W. Cui, R. Dickherber, C. Duke, T. Ergin, A. Falcone, S. J. Fegan, J. P. Finley, G. Finnegan, P. Fortin, L. Fortson, A. Furniss, D. Gall, K. Gibbs, G. H. Gillanders, J. Grube, R. Guenette, G. Gyuk, D. Hanna, E. Hays, J. Holder, D. Horan, C. M. Hui, T. B. Humensky, A. Imran, P. Kaaret, N. Karlsson, M. Kertzman, D. Kieda, J. Kildea, A. Konopelko, H. Krawczynski, F. Krennrich, M. J. Lang, S. LeBohec, G. Maier, A. McCann, M. McCutcheon, J. Millis, P. Moriarty, R. Mukherjee, T. Nagai, R. A. Ong, A. N. Otte, D. Pandel, J. S. Perkins, D. Petry, M. Pohl, et al.

In search of progenitors for supernova-less GRBs 060505 and 060614: re-examination of their afterglows

• Authors: D. Xu, R. L. C. Starling, J. P. U. Fynbo, J. Sollerman, S. Yost, D. Watson, S. Foley, P. T. O'Brien, J. Hjorth

tipa -- 12/4/2008

Gamma Rays from Clusters and Groups of Galaxies: Cosmic Rays versus Dark Matter

• Authors: Tesla E. Jeltema, John Kehayias, Stefano Profumo

INTEGRAL observation of hard X-ray variability of the TeV binary LS5039 / RX J1826.2-1450

• Authors: A. D. Hoffmann, D. Klochkov, A. Santangelo, D. Horns, A. Segreto, R. Staubert, G. Puehlhofer

Backgrounds and Projected Limits from Dark Matter Direct Detection Experiments

• Authors: Scott Dodelson

Gravitino Dark Matter and the Cosmic Lithium Abundances

• Authors: Sean Bailly, Karsten Jedamzik, Gilbert Moultaka

tipa -- 12/3/2008

Phase-space structure in the local dark matter distribution and its signature in direct detection experiments

• Authors: Mark Vogelsberger (1), Amina Helmi (2), Volker Springel (1), Simon D. M. White (1), Jie Wang (1,3), Carlos S. Frenk (3), Adrian Jenkins (3), Aaron Ludlow (4), Julio F. Navarro (4,5) ((1) MPA, (2) Groningen, (3) Durham, (4) UVic, (5) UMass)

Imaging the Black Hole Silhouette of M87: Implications for Jet Formation and Black Hole Spin

• Authors: Avery Broderick, Abraham Loeb

tipa -- 12/2/2008

XMM-Newton discovery of 2.6 s pulsations in the soft gamma-ray repeater SGR 1627-41

• Authors: P. Esposito, A. Tiengo, S. Mereghetti, G. L. Israel, A. De Luca, D. Götz, N. Rea, R. Turolla, S. Zane

A Turbulent Model of Gamma-Ray Burst Variability

• Authors: Ramesh Narayan, Pawan Kumar

Degeneracy, the virial theorem, and stellar collapse

• Authors: Christian Y. Cardall

Cosmic rays and the magnetic field in the nearby starburst galaxy NGC 253 I. The distribution and transport of cosmic rays

• Authors: V. Heesen, R. Beck, M. Krause, R.-J. Dettmar

Breit-Wigner Enhancement of Dark Matter Annihilation

• Authors: Masahiro Ibe, Hitoshi Murayama, T. T. Yanagida

Neutrino Signals from Annihilating/Decaying Dark Matter in the Light of Recent Measurements of Cosmic Ray Electron/Positron Fluxes

• Authors: Junji Hisano, Masahiro Kawasaki, Kazunori Kohri, Kazunori Nakayama

tipa -- 12/1/2008

Angular correlations in the cosmic gamma-ray background from dark matter annihilation around intermediate-mass black holes

• Authors: Marco Taoso, Shin'ichiro Ando, Gianfranco Bertone, Stefano Profumo

Precision Electroweak Measurements and Constraints on the Standard Model

• Authors: ALEPH Collaboration, CDF Collaboration, D0 Collaboration, DELPHI Collaboration, L3 Collaboration, OPAL Collaboration, SLD Collaboration, LEP Electroweak Working Group, Tevatron Electroweak Working Group, SLD electroweak heavy flavour groups

classic papers of the week -- 85

On the Curvature of Space

• Friedman, A.

Cosmic Rays as the Source of General Galactic Radio Emission

• Kiepenheuer, K. O. (Yerkes Observatory, University of Chicago, Williams Bay, Wisconsin)

Symmetry between particle and anti-particle populations in the universe

• Hong-Yee Chiu (Institute for Space Studies, Goddard Space Flight Center, National Aeronautics and Space Administration, New York, NY, and Physics Department and Earth and Space Sciences Department, State University of New York, Stony Brook)

tipa -- 11/27/2008

The Quantum Mechanics of Relic Neutrinos

• Authors: George M. Fuller, Chad T. Kishimoto

A strong optical flare before the rising afterglow of GRB 080129

• Authors: J. Greiner, T. Krühler, S. McBreen, M. Ajello, D. Giannos, R. Schwarz, S. Savaglio, A. Küpcü Yoldas, C. Clemens, A. Stefanescu, G. Sala, F. Bertoldi, G. Szokoly, S. Klose

Emergence of hyperons in failed supernovae: trigger of the black hole formation

• Authors: K. Sumiyoshi (Numazu CT), C. Ishizuka (Hokkaido Univ.), A. Ohnishi (YITP, Kyoto Univ.), S. Yamada (Waseda Univ.), H. Suzuki (Tokyo Univ. of Science)

tipa -- 11/26/2008

Unveiling the nature of INTEGRAL objects through optical spectroscopy. VII. Identification of 20 Galactic and extragalactic hard X-ray sources

• Authors: N. Masetti, P. Parisi, E. Palazzi, E. Jimenez-Bailon, L. Morelli, V. Chavushyan, E. Mason, V.A. McBride, L. Bassani, A. Bazzano, A.J. Bird, A.J. Dean, G. Galaz, N. Gehrels, R. Landi, A. Malizia, D. Minniti, F. Schiavone, J.B. Stephen, P. Ubertini

Trispectrum versus Bispectrum in Single-Field Inflation

• Authors: Kevin T. Engel, Keith S. M. Lee, Mark B. Wise

tipa -- 11/25/2008

The Case for a 700+ GeV WIMP: Cosmic Ray Spectra from ATIC and PAMELA

• Authors: Ilias Cholis, Gregory Dobler, Douglas P. Finkbeiner, Lisa Goodenough, Neal Weiner

Gamma-ray and radio tests of the e+e- excess from DM annihilations

• Authors: Gianfranco Bertone, Marco Cirelli, Alessandro Strumia, Marco Taoso

The energy production rate & the generation spectrum of UHECRs

• Authors: Boaz Katz, Ran Budnik, Eli Waxman

The energy spectrum of cosmic-ray electrons at TeV energies

• Authors: H.E.S.S. Collaboration

Evidence for Warped Disks of Young Stars in the Galactic Center

• Authors: H. Bartko, F. Martins, T. K. Fritz, R. Genzel, Y. Levin, H. B. Perets, T. Paumard, S. Nayakshin, O. Gerhard, T. Alexander, K. Dodds-Eden, F. Eisenhauer, S. Gillessen, L. Mascetti, T. Ott, G. Perrin, O. Pfuhl, M. J. Reid, D. Rouan, A. Sternberg, S. Trippe

CMBPol Mission Concept Study: A Mission to Map our Origins

• Authors: Daniel Baumann, Asantha Cooray, Scott Dodelson, Joanna Dunkley, Aurélien A. Fraisse, Mark G. Jackson, Al Kogut, Lawrence M. Krauss, Kendrick M. Smith, Matias Zaldarriaga

SN 2008S: A Cool Super-Eddington Wind in a Supernova Impostor

• Authors: Nathan Smith, Mohan Ganeshalingam, Weidong Li, Ryan Chornock, Thea N. Steele, Jeffrey M. Silverman, Alexei V. Filippenko, Martin P. Mobberley

What if Time Really Exists?

• Authors: Sean M. Carroll

tipa -- 11/24/2008

Properties of WNh stars in the Small Magellanic Cloud: evidence for homogeneous evolution

• Authors: F. Martins (1), D.J. Hillier (2), J.C. Bouret (3), E. Depagne (4), C. Foellmi (5), S. Marchenko (6), A.F. Moffat (7) (1- GRAAL-CNRS; 2- Pittsburgh; 3- LAM-CNRS; 4- Las Cumbres Observatory; 5- LAOG-CNRS; 6- Western Kentucky; 7- Montreal)

On the plasma temperature in supernova remnants with cosmic-ray modified shocks

• Authors: L. O'C. Drury, F. A. Aharonian, D. Malyshev, S. Gabici

Type Ia Supernova: Calculations of Turbulent Flames Using the Linear Eddy Model

• Authors: S. E. Woosley (UCSC), A. R. Kerstein (Sandia National Lab), V. Sankaran (Sandia National Lab), F. K. Roepke (MPA, Garching)

tipa -- 11/21/2008

Intrinsic properties of a complete sample of HETE-2 gamma-ray bursts. A measure of the GRB rate in the Local Universe

• Authors: A. Pélangeon (LATT), J.-L. Atteia (LATT), Y. E. Nakagawa, K. Hurley (SSL), A. Yoshida, R. Vanderspek, M. Suzuki, N. Kawai, G. Pizzichini (IASF-Bo), M. Boër (OHP), J. Braga, G. Crew, T. Q. Donaghy, J. P. Dezalay (CESR), J. Doty, E. E. Fenimore (LANL), M. Galassi (LANL), C. Graziani, J. G. Jernigan (SSL), D. Q. Lamb, A. Levine, J. Manchanda, F. Martel, M. Matsuoka, J.-F. Olive (CESR), G. Prigozhin, G. R. Ricker, T. Sakamoto (NASA Goddard Space Flight Center, CRESST), Y. Shirasaki, S. Sugita, K. Takagishi, T. Tamagawa, J. Villasenor, S. E. Woosley, M. Yamauchi

Generation of Strong Magnetic Fields in Axisymmetry by the Stationary Accretion Shock Instability

• Authors: Eirik Endeve, Christian Y. Cardall, Reuben D. Budiardja, Anthony Mezzacappa

Epeak estimator for Gamma-Ray Bursts Observed by the Swift Burst Alert Telescope

• Authors: T. Sakamoto, G. Sato, L. Barbier, S. D. Barthelmy, J. R. Cummings, E. E. Fenimore, N. Gehrels, D. Hullinger, H. A. Krimm, D. Q. Lamb, C. B. Markwardt, D. M. Palmer, A. M. Parsons, M. Stamatikos, J. Tueller, T. N. Ukwatta

tipa -- 11/20/2008

VLBI Observations of SN 2008D

• Authors: M. F. Bietenholz, A. M. Soderberg, N. Bartel

Red giant stellar collisions in the Galactic Centre

• Authors: James E. Dale, Melvyn B. Davies, Ross P. Church, Marc Freitag

New SETI Sky Surveys for Radio Pulses

• Authors: Andrew Siemion (1,4), Joshua Von Korff (3), Peter McMahon (4,5), Eric Korpela (2), Dan Werthimer (2,4), David Anderson (2), Geoff Bower (1), Jeff Cobb (2), Griffin Foster (1), Matt Lebofsky (2), Joeri van Leeuwen (1), William Mallard (4), Mark Wagner (4) ((1) Astronomy Department, University of California, Berkeley, CA, USA (2) Space Sciences Laboratory, University of California, Berkeley, CA, USA (3) Physics Department, University of California, Berkeley, CA, USA (4) Berkeley Wireless Research Center, Berkeley, CA, USA (5) Computer Science Department, Stanford University, Stanford, CA, USA)

Red supergiants as potential Type IIn supernova progenitors: Spatially resolved 4.6 micron CO emission around VY CMa and Betelgeuse

• Authors: Nathan Smith, Kenneth H. Hinkle, Nils Ryde

tipa -- 11/19/2008

Stability of a Spherical Accretion Shock with Nuclear Dissociation

• Authors: Rodrigo Fernández (University of Toronto), Christopher Thompson (CITA)

tipa -- 11/18/2008

Solar neutrinos and the solar composition problem

• Authors: Carlos Pena-Garay, Aldo Serenelli

Dots, clumps and filaments: the intermittent images of synchrotron emission in random magnetic fields of young supernova remnants

• Authors: Andrei M. Bykov, Yury A. Uvarov, Donald C. Ellison

GRS 1915+105 : High-energy Insights with SPI/INTEGRAL

• Authors: Robert Droulans, Elisabeth Jourdain

Episodic Magnetic Bubbles and Jets: Astrophysical Implications from Laboratory Experiments

• Authors: Andrea Ciardi (1) (*), Sergey V. Lebedev (2), Adam Frank (3), Francisco Suzuki-Vidal (2), Gareth N. Hall (2), Simon N. Bland (2), Adam Harvey-Thompson (2), Eric G. Blackman (3), Max Camenzind (4) ((1) Observatoire de Paris, LERMA, France; (2) Imperial College, Blackett Laboratory, UK; (3) University of Rochester, Department of Physics and Astronomy, USA; (4) University of Heidelberg, Centre for Astronomy Heidelberg, Germany. (*) Present address: Ecole Normale Superieure, Laboratoire de Radioastronomie, France.)