today in particle astrophysics

Papers -- 9/18/2006

Giant Molecular Clouds in M31: I - Molecular Cloud Properties

Authors: E. Rosolowsky (Center for Astrophysics)

INTEGRAL observations of TeV plerions

Authors: A. I. D. Hoffmann, D. Horns, A. Santangelo

Swift and Suzaku Observations of the X-Ray Afterglow from the GRB 060105

Authors: M. S. Tashiro (1), K. Abe (1), L. Angelini (2), S. Barthelmy (2), N. Gehrels (2), N. Ishikawa (3), L. J. Kaluzienski (2), N. Kawai (4), R. L. Kelley (2), K. Kinugasa (5), H. Kodaira (6), T. Kohmura (7), K. Kubota (8), Y. Maeda (9), S. Maeno (10), H. Murakami (9), T. Murakami (6), Y. E. Nakagawa (3), K. Nakazawa (9), J. Nousek (11), S. Okuno (6), K. Onda (1), J. N. Reeves (2), G. Ricker (12), G. Sato (2,9), E. Sonoda (10), M. Suzuki (13), T. Takahashi (9), T. Tamagawa (13), K. Torii (14), Y. Ueda (8), Y. Urata (1), K. Yamaoka (3), M. Yamauchi (10), D. Yonetoku (6), A. Yoshida (3), S. Yoshinari (6) ((1)Saitama Univ., (2)NASA/GSFC, (3)Aoyama Gakuin Univ., (4)Tokyo Tech., (5)Gunma Astronomical Observatory, (6)Kanazawa Univ., (7)Kogakuin Univ., (8)Kyoto Univ., (9)JAXA/ISAS, (10)Univ. of Miyazaki, (11)Penn. State Univ., (12)MIT, (13)RIKEN, (14)Osaka Univ)

Hypervelocity Collisions of Binary Stars at the Galactic Centre

Authors: Idan Ginsburg, Abraham Loeb

GRB 050223: A dark GRB in a dusty starburst galaxy

Authors: L. J. Pellizza (1 and 2), P.-A. Duc (1), E. Le Floc'h (3 and 4), I. F. Mirabel (5), L. A. Antonelli (6), S. Campana (7), G. Chincarini (7 and 8), A. Cimatti (9), S. Covino (7), M. Della Valle (9), F. Fiore (6), D. Fugazza (7), P. Giommi (10), P. Goldoni (11), G. L. Israel (6), E. Molinari (7), A. Moretti (7), L. Piro (12), P. Saracco (7), L. Stella (6), G. Tagliaferri (7), M. Vietri (13) ((1) AIM CEA Saclay - France, (2) IAFE - Argentina, (3) Steward Obs. - USA, (4) Observatoire de Paris - France, (5) ESO - Chile, (6) INAF Roma - Italy, (7) INAF - Brera Italy, (8) Univ. Milano-Bicocca - Italy, (9) INAF Arcetri - Italy, (10) ASI SDC - Italy, (11) APC - France, (12) INAF-IASF Roma - Italy, (13) SNS Pisa - Italy)

Canonical Constraints on Leptonic Cp Violation using UHCR neutrino fluxes

Authors: K.R.S. Balaji, G. Couture, C. Hamzaoui

Via Aristotle, Leibnitz and Mach to a Fractal D=2 Universe

Authors: D F Roscoe

Papers -- 9/15/2006

The birth and early evolution of star clusters

Authors: Pavel Kroupa (AIfA, Bonn)

ARCADE: Absolute Radiometer for Cosmology, Astrophysics, and Diffuse Emission

Authors: A. Kogut (1), D. Fixsen (2), S. Fixsen (2), S. Levin (3), M. Limon (2), L. Lowe (2), P. Mirel (2), M. Seiffert (3), J. Singal (4), P. Lubin (4), E. Wollack (1) ((1) NASA/Goddard Space Flight Center, (2) SSAI, (3) JPL, (4) University of California, Santa Barbara)

The MicroJansky Radio Galaxy Population

Authors: A. J. Barger, L. L. Cowie, W.-H. Wang

Nucleonic gamma-ray production in Pulsar Wind Nebulae

Authors: D. Horns (1), F. Aharonian (2), A.I.D. Hoffmann (1), A. Santangelo (1) ((1) IAAT, Univ. Tuebingen (2) Max-Planck Institut f. Kernphysik, Heidelberg)

Degenerate sterile neutrino dark matter in the cores of galaxies

Authors: Faustin Munyaneza (1), Peter L. Biermann (1,2 and 3) ((1) Max Planck Institute for Radioastronomy, Bonn, Germany, (2) University of Bonn, Germany and (3) University of Alabama, US)

Infrared observations of the 2006 outburst of the recurrent nova RS Ophiuchi: the early phase

Authors: A. Evans (Keele University), T. Kerr (JACH), Bin Yang (University of Hawaii), Y. Matsuoka (University of Tokyo), Y. Tsuzuki (Tokyo), M. F. Bode (Liverpool John Moores), S. P. S. Eyres (University of Central Lancs), T. R. Geballe (Gemini Observatory), C. E. Woodward (University of Minnesota), R. D. Gehrz (Minnesota), D. K. Lynch, R. J. Rudy, R. W. Russell (Aerospace Corporation), T. J. O'Brien (University of Manchester), S. G. Starrfield (Arizona State), R. J. Davis (Manchester), Jan-Uwe Ness (Arizona State), J. Drake (CfA), J. P. Osborne, K. L. Page (University of Leicester), A. Adamson (JACH), G. Schwarz (Steward Observatory), J. Krautter (Landessternewarte Heidelberg)

CMB Anisotropies from Outflows in Lyman Break Galaxies

Authors: Daniel Babich (Caltech), Abraham Loeb (Harvard)

Observation of the GZK Cutoff by the HiRes Experiment

Authors: G.B. Thomson, for the High Resolution Fly's Eye (HiRes) Collaboration

Unveiling Soft Gamma-Ray Repeaters with INTEGRAL

Authors: D. Gotz, S. Mereghetti, K. Hurley

The impact of stellar rotation on the CNO abundance patterns in the Milky Way at low metallicities

Authors: C. Chiappini (1,2), R. Hirschi (3), F. Matteucci (4), G. Meynet (2), S. Ekstrom (2), A. Maeder (2) ((1) Osservatorio Astronomico di Trieste, (2) Observatoire Astronomique de Geneve, (3) Dept. of Physics, University of Basel, (4) Dipartimento di Astronomia, Universita' di Trieste)

Small-Scale X-ray Variability in the Cassiopeia A Supernova Remnant

Authors: D. J. Patnaude, R. A. Fesen

Clustering of dark matter tracers: renormalizing the bias parameters

Authors: Patrick McDonald (CITA)

The Formation of the Double Pulsar PSR J0737-3039A/B}

Authors: I. H. Stairs, S. E. Thorsett, R. J. Dewey, M. Kramer, C. A. McPhee

Tests of general relativity from timing the double pulsar

Authors: M. Kramer, I.H. Stairs, R.N. Manchester, M.A. McLaughlin, A.G. Lyne, R.D. Ferdman, M. Burgay, D.R. Lorimer, A. Possenti, N. D'Amico, J.M. Sarkissian, G.B. Hobbs, J.E. Reynolds, P.C.C. Freire, F. Camilo

Gravitational diffraction radiation

Authors: Vitor Cardoso, Marco Cavaglia, Mario Pimenta

Papers -- 9/14/2006

The high-mass stellar IMF in different environments

Authors: Pavel Kroupa (AIfA, Bonn)

Galaxy Clusters Associated with Short GRBs. II. Predictions for the Rate of Short GRBs in Field and Cluster Early-Type Galaxies

Authors: Min-Su Shin (Princeton), Edo Berger (OCIW & Princeton)

Electron acceleration in relativistic GRB shocks

Authors: Mikhail V. Medvedev (U.Kansas)

Was the universe open or closed before inflation?

Authors: Eduard Masso, Subhendra Mohanty, Gabriel Zsembinszki

Source population synthesis and the Galactic diffuse gamma-ray emission

Authors: A. W. Strong

Forming a constant density medium close to long gamma-ray bursts

Authors: A.J. van Marle, N. Langer, A. Achterberg, G. Garcia-Segura

Papers -- 9/13/2006

Contribution of unresolved point sources to the galactic diffuse emission

Authors: Sabrina Casanova, Brenda L. Dingus

Discoveries of Diffuse Iron Line Sources from the Sgr B Region

Authors: Katsuji Koyama, Tatsuya Inui, Yoshiaki Hyodo, Hironori Matsumoto, Takeshi Go Tsuru, Yoshitomo Maeda, Hiroshi Murakami, Shigeo Yamauchi, Steven E. Kissel, Kai-Wing, Chan Yang Soong

Single star progenitors of long gamma-ray bursts I: Model grids and redshift dependent GRB rate

Authors: S.-C. Yoon, N. Langer, C. Norman

A RIAF Interpretation for the Past Higher Activity of the Galactic Center Black Hole and the 511 keV Annihilation Emission

Authors: Tomonori Totani (Kyoto)

Gravitino Dark Matter and Cosmological Constraints

Authors: Frank Daniel Steffen

Papers -- 9/12/2006

SDSS 0809+1729: Connections Between Extremely Metal Poor Galaxies and Gamma Ray Burst Hosts

Authors: Lisa J. Kewley (1), Warren R. Brown (2), Margaret J. Geller (2), Scott J. Kenyon (2), Michael J. Kurtz (2) ((1) University of Hawaii, (2) Smithsonian Astrophysical Observatory)

Testing X-ray Measurements of Galaxy Clusters with Cosmological Simulations

Authors: Daisuke Nagai (1), Alexey Vikhlinin (2,3), Andrey V. Kravtsov (4) ((1) Caltech, (2) SAO, Harvard, (3) IKI, Moscow, (4) KICP, U. Chicago)

Exotic Earths: Forming Habitable Worlds with Giant Planet Migration

Authors: Sean N. Raymond (Colorado), Avi M. Mandell (Penn State/NASA Goddard), Steinn Sigurdsson (Penn State)

Temporal and Angular Properties of GRB Jets Emerging from Massive Stars

Authors: Brian J. Morsony, Davide Lazzati, Mitchell C. Begelman (JILA, University of Colorado)

Ultra High Energy Cosmic Radiation: Experimental and Theoretical Status

Authors: Guenter Sigl (APC and IAP, Paris)

Hubble diagram of gamma-ray bursts and prevalence of energy conditions in Friedmann-Lema\^itre-Robertson-Walker Cosmology

Authors: Herman J. Mosquera Cuesta, Carlos A. Bonilla Quintero, M. Habib Dumet, Cristina Furlanetto, Jefferson Morais, Rodrigo Turcati

Hydrodynamic Thermonuclear Runaways in Superbursts

Authors: Nevin N. Weinberg (1, 2), Lars Bildsten (2, 3), Edward F. Brown (4) ((1) UC Berkeley, (2) KITP, (3) UCSB, (4) MSU/JINA)

Optical and X-Ray Observations of GRB 060526: A Complex Afterglow with An Achromatic Jet Break

Authors: X. Dai (1), J. P. Halpern (2), N. D. Morgan (1), E. Armstrong (3), N. Mirabal (2,4), J. B. Haislip (5), D. E. Reichart (5), K. Z. Stanek (1) ((1) Ohio State University, (2) Columbia University, (3) University of California at San Diego, (4) University of Michigan, (5) University of North Carolina)

Link between the chromospheric network and magnetic structures of the corona

Authors: Stefan Jendersie, Hardi Peter

The Lack of Halo Ultraluminous X-ray Sources

Authors: Douglas A. Swartz

B-Mode contamination by synchrotron emission from 3-years WMAP data

Authors: E. Carretti, G. Bernardi, S. Cortiglioni

On the ultra-high energy cosmic ray horizon

Authors: D. Harari, S. Mollerach, E. Roulet

Evidence for strong evolution of the cosmic star formation density at high redshift

Authors: F. Mannucci, H. Buttery, R. Maiolino, A. Marconi, L. Pozzetti

Probing long-range leptonic forces with solar and reactor neutrinos

Authors: M C Gonzalez-Garcia, P C~de Holanda, E Masso, R. Zukanovich Funchal

Particle Physics: a Progress Report

Authors: Guido Altarelli

Single-Pion Production in pp Collisions at =.95 GeV/c (I)

Authors: S Abd El-Samad, R. Bilger, K.-Th. Brinkmann, H. Clement, M. Dietrich, E. Doroshkevich, S. Dshemuchadse, A.Erhardt, W. Eyrich, A.Filippi, H. Freiesleben, M. Fritsch, R. Geyer, A. Gillitzer, J. Hauffe, D. Hesselbarth, R. Jaekel, B. Jakob, L. Karsch, K. Kilian, H. Koch, J. Kress, E. Kuhlmann, S. Marcello, S. Marwinski, R. Meier, K. Moeller, H.P. Morsch, L. Naumann, E. Roderburg, P. Schoenmeier, M. Schulte-Wissermann, W. Schroeder, M. Steinke, F. Stinzing, G.Y. Sun, J. Waechter, G.J. Wagner, M. Wagner, U. Weidlich, A. Wilms, S. Wirth, G. Zhang, P. Zupranski

Papers -- 9/11/2006

Pair-Production Supernovae: Theory and Observation

Authors: Evan Scannapieco

Iron and Nickel Line Diagnostics for the Galactic Center Diffuse Emission

Authors: Katsuji Koyama, Yoshiaki Hyodo, Tatsuya Inui, Hiroshi Nakajima, Hironori Matsumoto, Takeshi Go Tsuru, Tadayuki Takahashi, Yoshitomo Maeda, Noriko Yamazaki, Hiroshi Murakami, Shigeo Yamauchi, Yohko Tsuboi, Atsushi Senda, Jun Kataoka, Hiromitsu Takahashi, Stephen S Holt, Gregory V Brown

New X-ray views of the Galactic center observed with Suzaku

Authors: Katsuji Koyama, Yoshiaki Hyodo, Tatsuya Inui

The ultra-compact binary 4U1850-087 observed with INTEGRAL: hard X-ray emission from an X-ray burster

Authors: L. Sidoli (1), A. Paizis (1), A. Bazzano (2), S. Mereghetti (1) ((1)-INAF-IASF Milano; (2)-INAF-IASF Roma, ITALY)

Ultra High Energy Neutrinos in the Mediterranean: detecting nu_tau and nu_mu with a km^3 Telescope

Authors: A. Cuoco, G. Mangano, G. Miele, S. Pastor, L. Perrone, O. Pisanti, P.D. Serpico

Clues for the origin of the fundamental metallicity relations. I: The hierarchical building up of the structure

Authors: Maria E. De Rossi, Patricia B. Tissera, Cecilia Scannapieco

A Comment on: hep-th/0608078

Authors: S. Deser

Measurement of the proton electric to magnetic form factor ratio from \vec ^1H(\vec e, e'p)

Authors: C.B. Crawford, A. Sindile, T. Akdogan, R. Alarcon, W. Bertozzi, E. Booth, T. Botto, J. Calarco, B. Clasie, A. DeGrush, T.W. Donnelly, K. Dow, D. Dutta, M. Farkhondeh, R. Fatemi, O. Filoti, W. Franklin, H. Gao, E. Geis, S. Gilad, W. Haeberli, D. Hasell, W. Hersman, M. Holtrop, P. Karpius, M. Kohl, H. Kolster, T. Lee, A. Maschinot, J. Matthews, K. McIlhany, N. Meitanis, R.G. Milner, J. Rapaport, R.P. Redwine, J. Seely, A. Shinozaki, S. Sirca, E. Six, T. Smith, B. Tonguc, C. Tschalaer, E. Tsentalovich, W. Turchinetz, J.F.J. van den Brand, J. van der Laan, F. Wang, T. Wise, Y. Xiao, W. Xu, C. Zhang, Z. Zhou, V. Ziskin, T. Zwart

Papers -- 9/8/2006

The ERO Host Galaxy of GRB 020127: Implications for the Metallicity of GRB Progenitors

Authors: E. Berger, D.B. Fox, S.R. Kulkarni, D.A. Frail, S.G. Djorgovski

GRB Fireball Physics: Prompt and Early Emission

Authors: D. B. Fox, P. Meszaros (Penn State University)

Critical Mass Transfer in Double-Degenerate Type Ia Supernovae

Authors: Rebecca G. Martin, Christopher A. Tout, Pierre Lesaffre

Constraints on dark matter and the shape of the Milky Way dark halo from the 511 keV line

Authors: Y. Ascasibar (1), P. Jean (2), C. Boehm (3,4), J. Knoedlseder (2) ((1) Harvard-Smithsonian CfA, USA, (2) Centre d'Etude Spatiale des Rayonnements, France, (3) LAPTH UMR-5108, France, (4) CERN, Switzerland)

Tracking quintessence and k-essence in a general cosmological background

Authors: Rupam Das, Thomas W. Kephart, Robert J. Scherrer

Papers -- 9/7/2006

Constraints on the Geometry of the VHE Emission in LS 5039 from Photon-Photon Deabsorption

Authors: Markus Boettcher

Positron Annihilations at the Galactic Center: Generating More Questions Than Answers

Authors: Hasan Yuksel (Ohio State University)

The Supernova -- Gamma-Ray Burst Connection

Authors: S. E. Woosley (UC Santa Cruz), J. S. Bloom (UC Berkeley)

On the multiwavelength spectrum of the microquasar 1E 1740.7-2942

Authors: V. Bosch-Ramon, G. E. Romero, J. M. Paredes, A. Bazzano, M. Del Santo, L. Bassani

Astronomy with Small Telescopes

Authors: Bohdan Paczynski

A Putative Early-Type Host Galaxy for GRB 060502B: Implications for the Progenitors of Short-Duration Hard-Spectrum Bursts

Authors: J. S. Bloom, D. A. Perley (UC Berkeley), H.-W. Chen (U Chicago), N. Butler (UC Berkeley), J. X. Prochaska (UCO Lick), D. Kocevski (UC Berkeley), C. H. Blake, A. Szentgyorgyi, E. E. Falco (Harvard/CfA)

Papers -- 9/6/2006

From nuclear clusters to halo globulars: Star clusters as basic galactic building blocks

Authors: Richard de Grijs (University of Sheffield, UK)

Turning AGN Microlensing From a Curiosity Into a Tool

Authors: C. S. Kochanek (1), X.Dai (1), C. Morgan (1), N. Morgan (1), S. Poindexter (1), G. Chartas (2) ((1) Department of Astronomy, The Ohio State University, (2) Department of Astronomy and Astrophysics, Pennsylvania State University)

Ultra High Energy Cosmic Rays: Observations and Theoretical Aspects

Authors: Daniel De Marco

Problems in a weakless universe

Authors: L. Clavelli, R. E. White III

Papers -- 9/5/2006

Production of Hypervelocity Stars through Encounters with Stellar-Mass Black Holes in the Galactic Centre

Authors: Ryan M. O'Leary, Abraham Loeb (Harvard University)

Magnetar-Driven Magnetic Tower as a Model for Gamma-Ray Bursts and Asymmetric Supernovae

Authors: Dmitri A. Uzdensky (Princeton University and CMSO), Andrew I. MacFadyen (IAS)

Oxygen abundances in the Galactic Bulge: evidence for fast chemical enrichmen

Authors: M. Zoccali, A. Lecureur, B. Barbuy, V. Hill, A. Renzini, Y. Momany, A. Gomez, S. Ortolani

H.E.S.S. Observations of LS 5039

Authors: Mathieu De Naurois (LPNHE), the H.E.S.S. Collaboration Collaboration

First results from the Pierre Auger Observatory

Authors: R. C. Shellard

Suzaku observation of the metallicity distribution in the intracluster medium of the Fornax cluster

Authors: Kyoko Matsushita, Yasushi Fukazawa, John P. Hughes, Takao Kitaguchi, Kazuo Makishima, Kazuhiro Nakazawa, Takaya Ohashi, Naomi Ota, Takayuki Tamura, Miyako Tozuka, Takeshi Go Tsuru, Yuji Urata, Noriko Y. Yamasaki

The Galaxy Mass Function up to z=4 in the GOODS-MUSIC sample: into the epoch of formation of massive galaxies

Authors: A. Fontana (1), S. Salimbeni (1), A. Grazian (1), E. Giallongo (1), L. Pentericci (1), M. Nonino (2), F. Fontanot (3), N. Menci (1), P. Monaco (3,2), S. Cristiani (2), E. Vanzella (2), C. De Santis (1), S. Gallozzi (1) ((1) INAF - Osservatorio Astronomico di Roma, Monteporzio (RM), Italy, (2) INAF - Osservatorio Astronomico di Trieste, Trieste, Italy, (3) Dipartimento di Astronomia, Universita' di Trieste, Trieste, Italy)

Indirect search for dark matter with AMS in positrons, gamma and antiprotons channels

Authors: Diego Casadei

Five years of SGR 1900+14 observations with BeppoSAX

Authors: P. Esposito, S. Mereghetti, A. Tiengo, L. Sidoli, M. Feroci, P. Woods

Probing the growth of supermassive black holes at z>6 with LOFAR

Authors: Kirsty J. Rhook (1), Martin G. Haehnelt (1 and 2) ((1) Institute of Astronomy, Cambridge, (2) Kavli Institute for Theoretical Physics, UCSB)

Two populations of metal-free stars in the early Universe

Authors: Thomas H. Greif, Volker Bromm

High energy neutrino yields from astrophysical sources I: Weakly magnetized sources

Authors: M. Kachelriess, R. Tomas

Microlensing of Lensed Supernovae

Authors: Gregory Dobler, Charles R. Keeton

Decay of heavy Majorana neutrinos using the full Boltzmann equation including its implications for leptogenesis

Authors: Anders Basboll (Univ. Aarhus), Steen Hannestad (Univ. Aarhus, MPI Physics, Munich)

Getting the most from NOvA and T2K

Authors: Olga Mena

Introduction to Non-Linear Algebra

Authors: V. Dolotin, A. Morozov

A Cosmological Three Level Neutrino Laser

Authors: Steen Hannestad, Jes Madsen

Papers -- 9/4/2006

Does the AGN Unified Model Evolve with Redshift? Utilizing the X-ray Background to Predict the Mid-Infrared Emission of AGN

Authors: D.R. Ballantyne (1), Y. Shi (2), G.H. Rieke (2), J.L. Donley (2), C. Papovich (2), J.R. Rigby (2) ((1) Dept. of Physics, Univ. of Arizona (2) Steward Obs., Univ. of Arizona)

Slow Roll Reconstruction: Constraints on Inflation from the 3 Year WMAP Dataset

Authors: Hiranya Peiris (KICP/EFI, U. Chicago), Richard Easther (Yale)

The cosmic star formation rate evolution from z=5 to z=0 from the VIMOS VLT Deep Survey

Authors: L. Tresse, O. Ilbert, E. Zucca, G. Zamorani, S. Bardelli, S. Arnouts, S. Paltani, L. Pozzetti, D. Bottini, B. Garilli, V. Le Brun, O. Le Fevre, D. Maccagni, J.-P. Picat, R. Scaramella, M. Scodeggio, G. Vettolani, A. Zanichelli, C. Adami, M. Arnaboldi, M. Bolzonella, A. Cappi, S. Charlot, P. Ciliegi, T. Contini, S. Foucaud, P. Franzetti, I. Gavignaud, L. Guzzo, A. Iovino, H.J. McCracken, B. Marano, C. Marinoni, A. Mazure, B. Meneux, R. Merighi, R. Pello, A. Pollo, M. Radovich, M. Bondi, A. Bongiorno, G. Busarello, O. Cucciati, F. Lamareille, G. Mathez, Y. Mellier, P. Merluzzi, V. Ripepi

The Electron Temperature Gradient in the Galactic Disk

Authors: C. Quireza (1, 2 and 3), R. T. Rood (3), T. M. Bania (4), D. S. Balser (5), W. J. Maciel (2) ((1) Observatorio Nacional, Brazil, (2) IAG/USP, Brazil, (3) University of Virginia, USA, (4) Institute for Astrophysical Research, Boston University, USA, (5) NRAO, Green Bank, USA)

New Galactic Wolf-Rayet stars, and candidates. An annex to The VIIth Catalogue of Galactic Wolf-Rayet Stars