today in particle astrophysics

tipa -- 3/5/2010

The Fermi-LAT high-latitude Survey: Source Count Distributions and the Origin of the Extragalactic Diffuse Background

Authors: The Fermi-LAT Collaboration

Dark Matter Candidates from Particle Physics and Methods of Detection

Authors: Jonathan L. Feng

Massive Neutrinos in Cosmology: Analytic Solutions and Fluid Approximation

Authors: Masatoshi Shoji, Eiichiro Komatsu

The Calibration of Monochromatic Far-Infrared Star Formation Rate Indicators

Authors: D. Calzetti (UMass), S.-Y. Wu (UMass), S. Hong (UMass), R. C. Kennicutt (IofA, Cambridge), J. C. Lee (Carnegie Obs.), D.A. Dale (U Wyoning), C. W. Engelbracht (U Arizona), L. van Zee (U Indiana), B. T. Draine (Princeton U), C.-N. Hao (Tianjin Normal U; IofA, Cambridge), K. D. Gordon (STScI), J. Moustakas (UCSD), E.J. Murphy (SSC-Caltech), M. Regan (STScI), A. Begum (IofA, Cambridge), M. Block (U Arizona), J. Dalcanton (U Washington), J. Funes (Vatican Obs, U Arizona), A. Gil de Paz (U Computense de Madrid), B. Johnson (IofA, Cambridge), S. Sakai (UCLA), E. Skillman (U Minnesota), F. Walter (MPIA-Heidelberg), D. Weisz (U Minesota), B. Williams (U Washington), Y. Wu (IPAC-Caltech)

Simulations of Magnetized Disks Around Black Holes: Effects of Black Hole Spin, Disk Thickness, and Magnetic Field Geometry

Authors: Robert F. Penna (1), Jonathan C. McKinney (2), Ramesh Narayan (1), Alexander Tchekhovskoy (1), Rebecca Shafee (3), Jeffrey E. McClintock (1) ((1) Harvard CfA, (2) Stanford/KIPAC, (3) Harvard Center for Brain Science)

Discovery of an unusual new radio source in the star-forming galaxy M82: Faint supernova, supermassive blackhole, or an extra-galactic microquasar?

Authors: T. W. B. Muxlow (1), R. J. Beswick (1), S. T. Garrington (1), A. Pedlar (1), D. M. Fenech (2), M. K. Argo (3), J. van Eymeren (1), M. Ward (4), A. Zezas (5,6), A. Brunthaler (7) ((1)Jodrell Bank Centre for Astrophysics, Manchester, (2)UCL, (3) ICRAR, Curtin, (4) Durham, (5)IESL, Crete, (6) Harvard CfA, (7) MPIfR, Bonn)

An ultra-massive fast-spinning white dwarf in a peculiar binary system

Authors: S. Mereghetti, A. Tiengo, P. Esposito, N. La Palombara (1), G.L. Israel, L. Stella (2) ((1) INAF-IASF MILANO, Italy, (2) INAF-Osservatorio Astronomico di Roma, Italy)

On the use of X-ray telescopes for identifying the origin of electrons and positrons observed by Fermi and PAMELA

Authors: Antoine Calvez, Warren Essey, Malcolm Fairbairn, Alexander Kusenko, Michael Loewenstein

tipa -- 3/4/2010

What is the Matter with Dwarf Galaxies?

Authors: Till Sawala, Qi Guo, Cecilia Scannapieco, Adrian Jenkins, Simon D.M. White

Non-detection of a statistically anisotropic power spectrum in large-scale structure

Authors: Anthony R. Pullen, Christopher M. Hirata

Large scale outflows from z ~ 0.7 starburst galaxies identified via ultra-strong MgII quasar absorption lines

Authors: Daniel B. Nestor, Benjamin D. Johnson, Vivienne Wild, Brice Ménard, David A. Turnshek, Sandhya Rao, Max Pettini

Neutrino heating near hyper-accreting black holes

Authors: Ivan Zalamea, Andrei M. Beloborodov (Columbia University)

tipa -- 3/3/2010

Probing fundamental constant evolution with neutral atomic gas lines

Authors: N. Kanekar (1,2), J. X. Prochaska (3), S. L. Ellison (4), J. N. Chengalur (1) ((1) National Centre for Radio Astrophysics, India; (2) National Radio Astronomy Observatory, USA; (3) UCO/Lick Observatory, USA; (4) University of Victoria, Canada)

On Radiation Pressure in Static, Dusty HII Regions

Authors: B. T. Draine (Princeton University)

FERMI constraints on the high energy, ~1 GeV, emission of long GRBs

Authors: Dafne Guetta, Elena Pian, Eli Waxman

tipa -- 3/2/2010

Observation of Geo-Neutrinos

Authors: Borexino Collaboration

Systematic Effects in Extracting a "Gamma-Ray Haze" from Spatial Templates

Authors: Tim Linden (UC Santa Cruz), Stefano Profumo (UC Santa Cruz)

Galaxy Clusters Selected with the Sunyaev-Zel'dovich Effect from 2008 South Pole Telescope Observations

Authors: K. Vanderlinde, T. M. Crawford, T. de Haan, J. P. Dudley, L. Shaw, P. A. R. Ade, K. A. Aird, B. A. Benson, L. E. Bleem, M. Brodwin, J. E. Carlstrom, C. L. Chang, A. T. Crites, S. Desai, M. A. Dobbs, R. J. Foley, E. M. George, M. D. Gladders, N. R. Hall, N. W. Halverson, F. W. High, G. P. Holder, W. L. Holzapfel, J. D. Hrubes, M. Joy, R. Keisler, L. Knox, A. T. Lee, E. M. Leitch, A. Loehr, M. Lueker, D. P. Marrone, J. J. McMahon, J. Mehl, S. S. Meyer, J. J. Mohr, T. E. Montroy, C.-C. Ngeow, S. Padin, T. Plagge, C. Pryke, C. L. Reichardt, A. Rest, J. Ruel, J. E. Ruhl, K. K. Schaffer, E. Shirokoff, J. Song, H. G. Spieler, B. Stalder, Z. Staniszewski, A. A. Stark, C. W. Stubbs, A. van Engelen, J. D. Vieira, R. Williamson, Y. Yang, O. Zahn, A. Zenteno

Galaxy Formation Spanning Cosmic History

Authors: Andrew J. Benson (1), Richard G. Bower (2) ((1)California Institute of Technology, (2)University of Durham)

Ionization near-zones associated with quasars at z ~ 6

Authors: C.L. Carilli (NRAO), Ran Wang (PMO), X. Fan (Arizona), F. Walter (MPIA), J. Kurk (ESO), D. Riechers (Caltech), J. Wagg (ESO), J. Hennawi (MPIA), L. Jiang (Arizona), K.M.Menten (MPIfR), F. Bertoldi (Bonn), Michael A. Strauss (Princeston), P. Cox (IRAM)

A Runaway Black Hole in COSMOS: Gravitational Wave or Slingshot Recoil?

Authors: F. Civano (1), M. Elvis (1), G. Lanzuisi (1,2), K. Jahnke (3), G. Zamorani (4), L. Blecha (5), A. Bongiorno (6), M. Brusa (6), A. Comastri (4), H. Hao (1), A. Leauthaud (7), A. Loeb (5), M. Mignoli (4), V. Mainieri (8), E. Piconcelli (9), M. Salvato (10), N. Scoville (10), J. Trump (11), C. Vignali (12), T. Aldcroft (1), M. Bolzonella (4), E. Bressert (1), A. Finoguenov (6), A. Fruscione (1), A. M. Koekemoer (13), N. Cappelluti (6), F. Fiore (9), S. Giodini (6), R. Gilli (4), C. D. Impey (11), S. J. Lilly (14), E. Lusso (4,12), S. Puccetti (15), J. D. Silverman (14), H. Aussel (16), P. Capak (10), D. Frayer (10), E. Le Floc'h (17), H. J. McCracken (18), D. B. Sanders (17), D. Schiminovich (19), Y. Taniguchi (20) ((1)Harvard Smithsonian Center for astrophysics, (2)Universita` di Roma La Sapienza, (3)Max Planck Institut fur Astronomie, Heidelberg, (4)INAF-Osservatorio Astronomico di Bologna, (5)Harvard University, (6)MPE Garching, (7)LBNL, University of California, (8)ESO Garching, (9)INAF-Osservatorio Astronomico di Roma, (10) California Institute of Technology, (11) University of Arizona, (12)Universita` degli Studi di Bologna, (13)Space Telescope Science Institute, (14)ETH, (15)ASI Science Data Center, (16)AIM Unite' Mixte de Recherche CEA CNRS, (17)University of Hawaii, (18)Institut d'Astrophysique de Paris, (19)Columbia University, (20)Ehime University)

Reaction rate sensitivity of 44Ti production in massive stars and implications of a thick target yield measurement of 40Ca(alpha,gamma)44Ti

Authors: R. D. Hoffman, S. A. Sheets, J. T. Burke, N. D. Scielzo, T. Rauscher, E. B. Norman, S. Tumey, T. A. Brown, P. G. Grant, A. M. Hurst, L. Phair, M. A. Stoyer, T. Wooddy, J. L. Fisker, D. Bleuel

Modeling the gamma-ray emission produced by runaway cosmic rays in the environment of RX J1713.7-3946

Authors: S.Casanova, D.I. Jones, F.A.Aharonian, Y.Fukui, S. Gabici, A. Kawamura, T. Onishi, G. Rowell, K. Torii, H. Yamamoto

Dark-Matter Decays and Self-Gravitating Halos

Authors: Annika H. G. Peter, Christopher E. Moody, Marc Kamionkowski

tipa -- 3/1/2010

Slow Diffusion of Cosmic-Rays around a Supernova Remnant

Authors: Yutaka Fujita, Yutaka Ohira, Fumio Takahara (Osaka U.)

Evidence for a Galactic Sunyaev-Zel'dovich-like Signal in WMAP Data

Authors: Shahab Joudaki, Joseph Smidt, Alexandre Amblard, Asantha Cooray

Escape of about five per cent of Lyman-alpha photons from high-redshift star-forming galaxies

Authors: Matthew Hayes (1), Goran Ostlin (2), Daniel Schaerer (1 and 3), J. Miguel Mas-Hesse (4), Claus Leitherer (5), Hakim Atek (6), Daniel Kunth (6), Anne Verhamme (7), Stephane de Barros (1), Jens Melinder (2) ((1) Observatoire de l'Universite de Geneve, (2) Stockholms Observatorium, (3) Laboratoire d'Astrophysique de Toulouse-Tarbes, (4) CSIC-INTA, (5) STScI, (6) Institut d'Astrophysique de Paris, (7) Oxford University Astrophysics.)

Mechanisms of Core-Collapse Supernovae & Simulation Results from the CHIMERA Code

Authors: S. W. Bruenn, A. Mezzacappa, W. R. Hix, J. M. Blondin, P. Marronetti, O. E. B. Messer, C. J. Dirk, S. Yoshida

Episodic Transient Gamma-Ray Emission from the Microquasar Cygnus X-1

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

Degree-scale GeV "jets" from active and dead TeV blazars

Authors: A.Neronov, D.Semikoz, M.Kachelriess, S.Ostapchenko, A.Elyiv

classic papers of the week -- 138

Measurement of the diameter of alpha Orionis with the interferometer

Michelson, A. A.; Pease, F. G. (Mount Wilson Observatory)

Constraint on the Photino Mass from Cosmology

H. Goldberg (Department of Physics, Northeastern University, Boston, MA)

The Band Theory of Graphite

Wallace, P. R. (National Research Council of Canada, Chalk River Laboratory, Chalk River, Ontario)

Authors: A. A. Abdo etc. (Fermi-LAT Collaboration)

No evidence for dust extinction in GRB 050904 at z ~ 6.3

Authors: Tayyaba Zafar (1), Darach J. Watson (1), Daniele Malesani (1), Paul M. Vreeswijk (1), Johan P.U. Fynbo (1), Jens Hjorth (1), Andrew J. Levan (2), Michał J. Michałowski (1,3) ((1) DARK, (2) Univ. Warwick., (3) Univ. Edinburgh)

Ultra High Energy Cosmic Rays: Anisotropies and Spectrum

Authors: R. Aloisio, D. Boncioli

tipa -- 2/22/2010

Detection of the Cosmic Far-Infrared Background in the AKARI Deep Field South

Authors: S. Matsuura, M. Shirahata, M. Kawada, T. T. Takeuchi, D. Burgarella, D. L. Clements, W.-S. Jeong, H. Hanami, S. A. Khan, H. Matsuhara, T. Nakagawa, S. Oyabu, C. P. Pearson, A. Pollo, S. Serjeant, T. Takagi, G. White

The intriguing nature of the high energy gamma ray source XSSJ12270-4859

Authors: D. de Martino, M. Falanga, J.-M. Bonnet-Bidaud, T. Belloni, M. Mouchet, N. Masetti, I. Andruchow, S.A. Cellone, K. Mukai, G. Matt

Observation of magnetocoriolis waves in a liquid metal Taylor-Couette experiment

Authors: M. D. Nornberg, H. Ji, E. Schartman, A. Roach, J. Goodman

Conservative Constraints on Dark Matter from the Fermi-LAT Isotropic Diffuse Gamma-Ray Background Spectrum

Authors: Kevork N. Abazajian, Prateek Agrawal, Zackaria Chacko, Can Kilic

classic papers of the week -- 137

Stability of a Schwarzschild singularity

Tullio Regge (Istituto di Fisica della Università di Torino, Torino, Italy), John A. Wheeler (Palmer Physical Laboratory, Princeton University)

"Giant" and "dwarf" stars

Russell, H. N.

Hockey Helmets, Concealed Weapons, and Daylight Saving: A Study of Binary Choices with Externalities

Thomas C. Schelling (John Fitzgerald Kennedy School of Government, Harvard University)

tipa -- 2/19/2010

Atmospheric neutrino oscillation analysis with sub-leading effects in Super-Kamiokande I, II, and III

Authors: Super-Kamiokande Collaboration: R. Wendell, C. Ishihara, K. Abe, Y. Hayato, T. Iida, M. Ikeda, K. Iyogi, J. Kameda, K. Kobayashi, Y. Koshio, Y. Kozuma, M. Miura, S. Moriyama, M. Nakahata, S. Nakayama, Y. Obayashi, H. Ogawa, H. Sekiya, M. Shiozawa, Y. Suzuki, A. Takeda, Y. Takenaga, Y. Takeuchi, K. Ueno, K. Ueshima, H. Watanabe, S. Yamada, T. Yokozawa, S. Hazama, H. Kaji, T. Kajita, K. Kaneyuki, T. McLachlan, K. Okumura, Y. Shimizu, N. Tanimoto, M.R. Vagins, F. Dufour, E. Kearns, M. Litos, J.L. Raaf, J.L. Stone, L.R. Sulak, W. Wang, M. Goldhaber, K. Bays, D. Casper, J.P. Cravens, W.R. Kropp, S. Mine, C. Regis, M.B. Smy, H.W. Sobel, K.S. Ganezer, J. Hill, W.E. Keig, J.S. Jang, J.Y. Kim, I.T. Lim, J. Albert, M. Fechner, K. Scholberg, C.W. Walter, S. Tasaka, J.G. Learned, S. Matsuno, Y. Watanabe, T. Hasegawa, T. Ishida, T. Ishii, T. Kobayashi, T. Nakadaira, K. Nakamura, K. Nishikawa, H. Nishino, Y. Oyama, K. Sakashita, T. Sekiguchi, T. Tsukamoto, A.T. Suzuki, A. Minamino, T. Nakaya, Y. Fukuda, Y. Itow, G. Mitsuka, T. Tanaka, C.K. Jung, G. Lopez, C. McGrew, C. Yanagisawa, N. Tamura, H. Ishino, A. Kibayashi, S. Mino, T. Mori, M. Sakuda, H. Toyota, Y. Kuno, M. Yoshida, S.B. Kim, B.S. Yang, T. Ishizuka, H. Okazawa, Y. Choi, K. Nishijima, Y. Yokosawa, M. Koshiba, M. Yokoyama, Y. Totsuka, S. Chen, Y. Heng, Z. Yang, H. Zhang, D. Kielczewska, P. Mijakowski, K. Connolly, M. Dziomba, E. Thrane, R.J. Wilkes

The Spectrum of the Isotropic Diffuse Gamma-Ray Emission Derived From First-Year Fermi Large Area Telescope Data

Authors: The Fermi-LAT collaboration

Consequences of cosmic microwave background-regulated star formation

Authors: Jeremy Bailin, Greg Stinson, Hugh Couchman, William E. Harris, James Wadsley, Sijing Shen (McMaster University)

The early UV/Optical emission form core-collapse supernovae

Authors: Itay Rabinak, Eli Waxman (Weizmann Inst.)

The impact of dark matter cusps and cores on the satellite galaxy population around spiral galaxies

Authors: Jorge Penarrubia, Andrew J. Benson, Matthew G. Walker, Gerard Gilmore, Alan McConnachie, Lucio Mayer

Stellar collisions in accreting protoclusters: a Monte Carlo dynamical study

Authors: Olaf Davis, Cathie Clarke, Marc Freitag

Supersymmetry Breaking and Gauge Mediation

Authors: Ryuichiro Kitano, Hirosi Ooguri, Yutaka Ookouchi

tipa -- 2/18/2010

Astrophysical Measurement of the Equation of State of Neutron Star Matter

Authors: Feryal Ozel, Gordon Baym, Tolga Guver

Streams and caustics: the fine-grained structure of LCDM haloes

Authors: Mark Vogelsberger (1,2), Simon D. M. White (1) ((1) MPA, (2) Harvard/CfA)

Do Wolf-Rayet stars have similar locations in hosts as type Ib/c supernovae and long gamma-ray bursts?

Authors: G. Leloudas (1), J. Sollerman (1,2), A. J. Levan (3), J. P. U. Fynbo (1), D. Malesani (1), J. R. Maund (1,4) ((1) DARK, (2) Stockholm Obs., (3) Univ. Warwick, (4) UCSC)

Fermi detection of delayed GeV emission from the short GRB 081024B