today in particle astrophysics

tipa -- 10/1/2009

Effects of cosmological parameters and star formation models on the cosmic star formation history in LambdaCDM cosmological simulations

Authors: Jun-Hwan Choi (UNLV), Kentaro Nagamine (UNLV, Ipmu)

Gadolinium study for a water Cherenkov detector

Authors: Atsuko Kibayashi, for the Super-Kamiokande Collaboration

Solar Neutrino Measurement at SK-III

Authors: The Super-Kamiokande Collaboration: B.S. Yang, et al

Nuclear Astrophysics with Radioactive Beams

Authors: C.A. Bertulani, A. Gade

Blumenthal, G. R.; Faber, S. M. (Lick Observatory, Santa Cruz, CA); Primack, J. R. (University of California, Santa Cruz; Stanford University); Rees, M. J. (Cambridge University; University of California, Santa Barbara)

Fourth Test of General Relativity

Shapiro, Irwin I. (Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, MA)

Evidence of Heavy Neutrino Emission in beta Decay

J.J. Simpson (University of Guelph, Guelph, Ontario, Canada)

tipa -- 9/25/2009

Prompt Ia Supernovae Are Significantly Delayed

Authors: Cody Raskin, Evan Scannapieco, James Rhoads, Massimo Della Valle

Stellar Binary Companions to Supernova Progenitors

Authors: C. S. Kochanek (Department of Astronomy, The Ohio State University)

Stellar Kinematics of Young Clusters in Turbulent Hydrodynamic Simulations

Authors: S. S. R. Offner, C. E. Hansen, M. R. Krumholz

tipa -- 9/24/2009

UV Continuum Slope and Dust Obscuration from z~6 to z~2: The Star Formation Rate Density at High Redshift

Authors: R.J. Bouwens (UCSC), G.D. Illingworth (UCSC), M. Franx (Leiden Observatory), R-R. Chary (SSC), G.R. Meurer (JHU), C.J. Conselice (Nottingham), H. Ford (JHU), M. Giavalisco (U Mass), P. van Dokkum (Yale)

Thermal Relic Abundances of Particles with Velocity-Dependent Interactions

Authors: James B. Dent, Sourish Dutta, Robert J. Scherrer

Constraints on Star Forming Galaxies at z> 6.5 from HAWK-I Y-band Imaging of GOODS-South

Authors: Samantha Hickey (1), Andrew Bunker (2,3), Matt J. Jarvis (1), Kuenley Chiu (3), David Bonfield (1) ((1) Hertfordshire, (2) Oxford, (3) AAO/Exeter)

VLTI/AMBER unveils a possible dusty pinwheel nebula in WR118

Authors: Florentin Millour (MPIFR), Thomas Driebe (MPIFR), Olivier Chesneau (FIZEAU), José Groh (MPIFR), Karl-Heinz Hofmann (MPIFR), Koji Murakawa (MPIFR), Keiichi Ohnaka (MPIFR), Dieter Schertl (MPIFR), Gerd Weigelt (MPIFR)

Pamela, FGST and Sub-Tev Dark Matter

Authors: Dan Hooper, Kathryn M. Zurek

tipa -- 9/23/2009

The Gas Consumption History to z ~ 4

Authors: Amber Bauermeister, Leo Blitz, Chung-Pei Ma

The discovery of a pulsar wind nebula around the magnetar candidate AXP 1E1547.0-5408

Authors: Jacco Vink (Utrecht University, The Netherlands), Aya Bamba (ISAS/JAXA, Japan)

A weak lensing detection of a deviation from General Relativity on cosmic scales

Authors: Rachel Bean

Does the Universe Accelerate Equally in all Directions?

Authors: R. Cooke, D. Lynden-Bell (IoA, Cambridge)

An extremely prolific supernova factory in the buried nucleus of the starburst galaxy IC 694

Authors: M.A. Perez-Torres, C. Romero-Canizales, A. Alberdi, A. Polatidis

Positron transport in the interstellar medium

Authors: P. Jean, W. Gillard, A. Marcowith, K. Ferrière

tipa -- 9/22/2009

The Stellar Mass Density and Specific Star Formation Rates of the Universe at z~7

Authors: Valentino Gonzalez (UCSC), Ivo Labbe (OCIW), Rychard J. Bouwens (UCSC), Garth Illingworth (UCSC), Marijn Franx (Leiden Observatory), Mariska Kriek (Princeton University), Gabriel B. Brammer (Yale University)

Radio Emission from Young Supernovae and Supernova Remnants in Arp 299

Authors: James S. Ulvestad

Searches for gravitational waves from known pulsars with S5 LIGO data

Authors: The LIGO Scientific Collaboration, The Virgo Collaboration

Going out with a bang: compact object collisions resulting from supernovae in binary systems

Authors: Eleonora Troja, Graham A. Wynn, Paul T. O'Brien, Stephan Rosswog

Extensive optical and near-infrared observations of the nearby, narrow-lined type Ic SN 2007gr: days 5 to 415

Authors: Deborah J. Hunter (1), Stefano Valenti (1), Rubina Kotak (1), Peter Meikle (2), Stefan Taubenberger (3), Andrea Pastorello (1), Stefano Benetti (4), Vallery Stanishev (4), Steven J. Smartt (1), Carrie Trundle (1), Arkady A. Arkharov (5, 6), Milena Bufano (7), Enrico Cappellaro (7), Elisa Di Carlo (7), Mauro Dolci (7), Nancy Elias-Rosa (8), Soeren Frandsen (9), Johan U. Fynbo (10), Ulrich Hopp (11, 12), Valeri M. Larionov (5,6), Peter Laursen (10), Paolo Mazzali (3, 4, 13), Hripsime Navasardyan (4), Christoph Ries (11), Arno Riffeser (11), Luca Rizzi (14), Dmitrii Y. Tsvetkov (15), Massimo Turatto (4), Silona Wilke (11) ((1) Queen's University Belfast, UK (2) Imperial College London, UK (3) MPA Garching (4) INAF Padova (5) Pulkovo Central Astronomical Observatory (6) Astronomical Institute of St Petersburg (7) INAF Teramo (8) Spitzer Science Centre (9) Arhus University (10) Dark Cosmology Centre (11) University of Munich (12) MPE Garching (13) Scuola Normale Superiore, Pisa (14) JAC, Hawaii (15) Sternberg Astronomical Institute)

Gamma-ray Astronomy with Muons: Sensitivity of IceCube to PeVatrons in the Southern Sky

Authors: Francis Halzen, Alexander Kappes, Aongus O'Murchadha

tipa -- 9/21/2009

The SPLASH Survey: A Spectroscopic Analysis of the Metal-Poor, Low-Luminosity M31 dSph Satellite Andromeda X

Authors: Jason S. Kalirai, Daniel B. Zucker, Puragra Guhathakurta, Marla Geha, Alexei Y. Kniazev, David Martinez-Delgado, Eric F. Bell, Eva K. Grebel, Karoline M. Gilbert

Direct Constraints on Minimal Supersymmetry from Fermi-LAT Observations of the Dwarf Galaxy Segue 1

Authors: Pat Scott (1), Jan Conrad (1), Joakim Edsjö (1), Lars Bergström (1), Christian Farnier (2), Yashar Akrami (1) ((1) OKC/Stockholm U., (2) LPTA, CNRS/IN2P3)

The High Energy Emission of the Crab Nebula from 20 keV to 6 MeV with INTEGRAL

Authors: E. Jourdain, J. P. Roques

The small scale clustering properties of ultra-high energy cosmic rays as a constraint on the particle charge and intervening magnetic fields

Authors: Patrick Younk

Fundamental Theoretical Bias in Gravitational Wave Astrophysics and the Parameterized Post-Einsteinian Framework

Authors: Nicolas Yunes, Frans Pretorius

classic papers of the week -- 116

The Cosmological Constant Problem

Steven Weinberg (Theory Group, Department of Physics, University of Texas, Austin, TX)

Strange Matter

Edward Farhi, R.L. Jaffe, (Center for Theoretical Physics, Laboratory for Nuclear Science and Department of Physics, Massachusetts Institute of Technology)

Equilibrium Points in N-Person Games

also

John F. Nash, Jr. (Princeton University)

tipa -- 9/18/2009

Multi-Element Abundance Measurements from Medium-Resolution Spectra. I. The Sculptor Dwarf Spheroidal Galaxy

Authors: Evan N. Kirby (1), Puragra Guhathakurta (1), Michael Bolte (1), Christopher Sneden (2), Marla C. Geha (3) ((1) University of California Observatories/Lick Observatory, (2) University of Texas Austin, (3) Yale University)

The Role of Column Density in the Formation of Stars and Black Holes

Authors: Richard B. Larson

First redshift determination of an optically/UV faint submillimeter galaxy using CO emission lines

Authors: A. Weiss, R.J. Ivison, D. Downes, F. Walter, M. Cirasuolo, K.M. Menten

MAGIC Gamma-Ray Observation of the Perseus Galaxy Cluster

Authors: The MAGIC Collaboration: J. Aleksic, et al., C. Pfrommer, A. Pinzke, T.A. Ensslin, S. Inoue, G. Ghisellini

From the LHC to Future Colliders

Authors: A. De Roeck, J. Ellis, C. Grojean, S. Heinemeyer, K. Jakobs, G. Weiglein, J. Wells, G. Azuelos, S. Dawson, B. Gripaios, T. Han, J. Hewett, M. Lancaster, C. Mariotti, F. Moortgat, G. Moortgat-Pick, G. Polesello, S. Riemann, M. Schumacher, K. Assamagan, P. Bechtle, M. Carena, G. Chachamis, K.F. Chen, S. De Curtis, K. Desch, M. Dittmar, H. Dreiner, M. Dührssen, B. Foster, M.T. Frandsen, A. Giammanco, R. Godbole, P. Govoni, J. Gunion, W. Hollik, W.S. Hou, G. Isidori, A. Juste, J. Kalinowski, A. Korytov, E. Kou, S. Kraml, M. Krawczyk, A. Martin, D. Milstead, V. Morton-Thurtle, K. Moenig, B. Mele, E. Ozcan, M. Pieri, T. Plehn, L. Reina, E. Richter-Was, T. Rizzo, K. Rolbiecki, F. Sannino, M. Schram, J. Smillie, S. Sultansoy, J. Tattersall, P. Uwer, B. Webber, P. Wienemann

tipa -- 9/17/2009

Short gamma-ray bursts from tidal capture and collisions of compact stars in globular clusters

Authors: William H. Lee (IA-UNAM), Enrico Ramirez-Ruiz (UCSC), Glenn van de Ven (IAS, MPIA)

Note on galaxy catalogues in UHECR flux modelling

Authors: Hylke B. J. Koers, Peter Tinyakov

Dark Force Detection in Low Energy e-p Collisions

Authors: Marat Freytsis, Grigory Ovanesyan, Jesse Thaler

tipa -- 9/16/2009

Shock Breakout from Type Ia Supernova

Authors: Anthony L. Piro (1), Philip Chang (1, 2), Nevin N. Weinberg (1) ((1) UC Berkeley, (2) CITA)

New Solar Composition: The Problem With Solar Models Revisited

Authors: Aldo Serenelli (Max Planck Institute for Astrophysics), Sarbani Basu (Yale University), Jason W. Ferguson (Wichita State University), Martin Asplund (Max Planck Institute for Astrophysics)

Correlation of Supernova Remnant Masers and Gamma-Ray Sources

Authors: John W. Hewitt, Farhad Yusef-Zadeh, Mark Wardle

tipa -- 9/15/2009

Fermi Observations of GRB 090902B: A Distinct Spectral Component in the Prompt and Delayed Emission

Authors: The Fermi/GBM collaboration, The Fermi/LAT Collaborations, The Swift Team

The Contribution of High Redshift Galaxies to Cosmic Reionization: New Results from Deep WFC3 Imaging of the Hubble Ultra Deep Field

Authors: Andrew Bunker (1), Stephen Wilkins (1), Richard Ellis (2), Daniel Stark (3), Silvio Lorenzoni (1), Kuenley Chiu (2), Mark Lacy (4) ((1) Physics Department, University of Oxford, (2) Caltech Astophysics, (3) Institute of Astronomy, Cambridge, (4) NRAO, Charlottesville)

Nonthermal Radiation of Young Supernova Remnants

Authors: V.N.Zirakashvili, F.A.Aharonian

Galaxies at z = 6 - 9 from the WFC3/IR imaging of the HUDF

Authors: R.J. McLure, J.S. Dunlop, M. Cirasuolo, A.M. Koekemoer, E. Sabbi, D.P. Stark, T.A. Targett, R.S. Ellis

Measurement of sound speed vs. depth in South Pole ice for neutrino astronomy

Authors: The IceCube Collaboration

tipa -- 9/14/2009

Neutrino mass limit from tritium beta decay

Authors: E. W. Otten, C. Weinheimer

String Phenomenology at the LHC

Authors: Luis A. Anchordoqui, Haim Goldberg, Dieter Lust, Stephan Stieberger, Tomasz R. Taylor

classic papers of the week -- 115

Evidence from the motions of old stars that the Galaxy collapsed

Eggen, O. J.; Lynden-Bell, D.; Sandage, A. R.

Supersymmetric Relics from the Big Bang

John R. Ellis, J.S. Hagelin (Stanford Linear Accelerator Center), Dimitri V. Nanopoulos, Keith A. Olive, M. Srednicki (CERN)

The Highest Aim of the Physicist

Or here

Henry A. Rowland

tipa -- 9/11/2009

z~8 galaxies from ultra-deep WFC3/IR Observations over the HUDF

Authors: R.J. Bouwens (UCSC/Leiden), G.D. Illingworth (UCSC), P.A. Oesch (ETH Zurich), M. Stiavelli (STScI), P. van Dokkum (Yale), M. Trenti (Colorado), D. Magee (UCSC), I. Labbe (OCIW), M. Franx (Leiden), M. Carollo (ETH Zurich)

Hubble Space Telescope Observations of Short GRB Host Galaxies: Morphologies, Offsets, and Local Environments

Authors: Wen-fai Fong (Harvard), Edo Berger (Harvard), Derek B. Fox (PSU)

z~7 Galaxies in the HUDF: First Epoch WFC3/IR Results

Authors: P. A. Oesch, R. J. Bouwens, G. D. Illingworth, C. M. Carollo, M. Franx, I. Labbe, D. Magee, M. Stiavelli, M. Trenti, P. G. van Dokkum

Are all short-hard gamma-ray bursts produced from mergers of compact stellar objects?

Authors: Francisco J. Virgili, Bing Zhang, Paul O'Brien, Eleonora Troja

NGC 300 OT2008-1 As a Scaled-Down Version of the Eta Carinae Great Eruption

Authors: Amit Kashi, Adam Frankowski, Noam Soker

Further Searches for RRATs in the Parkes Multi-Beam Pulsar Survey

Authors: E. F. Keane (1), D. A. Ludovici (2), R. P. Eatough (1), M. Kramer (1,3), A. G. Lyne (1), M. A. McLaughlin (2,4), B. W. Stappers (1). (1 - Jodrell Bank Centre for Astrophysics, University of Manchester, 2 - Dept. of Physics, University of West Virginia, 3 - Max Planck Institut fur Radioastronomie, Bonn, 4 - National Radio Astronomy Observatory, Green Bank)

Tidal break-up of binary stars at the Galactic center and its consequences

Authors: Fabio Antonini, Joshua Faber, Alessia Gualandris, David Merritt

Sources of the Radio Background Considered

Authors: J. Singal, L. Stawarz, A. Lawrence, V. Petrosian

tipa -- 9/10/2009

The relation between the most-massive star and its parental star cluster mass

Authors: C. Weidner (1,2), P. Kroupa (3), I. Bonnell (1) ((1) St Andrews University, (2) Pontificia Universidad Catolica de Chile, (3) AIfA Bonn)

The Extragalactic Background Light Absorption Feature in the Blazar Component of the Extragalactic Gamma-ray Background

Authors: Tonia M. Venters (U. Chicago), Vasiliki Pavlidou (Caltech), Luis C. Reyes (KICP, U. Chicago)

The earliest stars and their relics in the Milky Way

Authors: L. Gao, Tom Theuns, C. S. Frenk, A. Jenkins, J. Navarro, V. Springel, S. D. M. White

Parameter Estimation from Improved Measurements of the CMB from QUaD

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