today in particle astrophysics

Garwin, Richard L.; Lederman, Leon M.; Weinrich, Marcel (Physics Department, Nevis Cyclotron Laboratories, Columbia University, Irvington-on-Hudson, New York, NY)

The Atmospheres of A-Type Subdwarfs and 95 Leonis

Chamberlain, Joseph W.; Aller, Lawrence H. (Observatory, University of Michigan)

Fermi Questions

Morrison, Philip (Laboratory of Nuclear Studies, Cornell University, Ithaca, NY)

Authors: C.S. Kochanek (1), D.M. Szczygiel (1), K.Z. Stanek (1) ((1) Department of Astronomy and the Center for Cosmology and AstroParticle Physics, The Ohio State University)

Measurement of the atmospheric neutrino energy spectrum from 100 GeV to 400 TeV with IceCube

Authors: IceCube Collaboration

Luminous Blue Variable eruptions and related transients: Diversity of progenitors and outburst properties

Authors: Nathan Smith, Weidong Li, Jeffrey M. Silverman, Mo Ganeshalingam, Alexei V. Filippenko

The Formation of Low-Mass Binary Star Systems Via Turbulent Fragmentation

Authors: S. S. R. Offner, K. M. Kratter, C. D. Matzner, M. R. Krumholz, R. I. Klein

A Revised Historical Light Curve of Eta Carinae and the Timing of Close Periastron Encounters

Authors: Nathan Smith, David J. Frew

tipa -- 10/19/2010

Spectral Energy Distribution of z>1 Type Ia Supernova Hosts in GOODS: Constraints on Evolutionary Delay and the Initial Mass Function

Authors: M. G. Thomson (U. Sussex), R. Chary (Caltech)

Cosmic Ray e^+/(e^- + e^+) and pbar/p Ratios Explained by an Injection Model Based on Gamma-ray Observations

Authors: T. Kamae (1), S.-H. Lee (1), L. Baldini (2), F. Giordano (3,4), M.-H. Grondin (5), L. Latronico (2), M. Lemoine-Goumard (5), C. Sgró (2), T. Tanaka (1), Y. Uchiyama (1) ((1) KIPAC and SLAC National Accelerator Laboratory, Stanford University, (2) Istituto Nazionale di Fisica Nucleare, Sezione di Pisa, (3) Dipartimento di Fisica "M. Merlin" dell'Universita e del Politecnico di Bari, (4) Istituto Nazionale di Fisica Nucleare, Sezione di Bari, (5) Université Bordeaux 1, CNRS/IN2p3, Centre d'Études Nucleaires de Bordeaux Gradignan)

Measurement of $\nu_\mu$-induced charged-current neutral pion production cross sections on mineral oil at $E_\nu\in0.5-2.0$ GeV

Authors: A.A.Aguilar-Arevalo, C.E.Anderson, A.O.Bazarko, S.J.Brice, B.C.Brown, L.Bugel, J.Cao, L.Coney, J.M.Conrad, D.C.Cox, A.Curioni, Z.Djurcic, D.A.Finley, B.T.Fleming, R.Ford, F.G.Garcia, G.T.Garvey, J.Grange, C.Green, J.A.Green, T.L.Hart, E.Hawker, R.Imlay, R.A.Johnson, G.Karagiorgi, P.Kasper, T.Katori, T.Kobilarcik, I.Kourbanis, S.Koutsoliotas, E.M.Laird, S.K.Linden, J.M.Link, Y.Liu, Y.Liu, W.C.Louis, K.B.M.Mahn, W.Marsh, C.Mauger, V.T.McGary, G.McGregor, W.Metcalf, P.D.Meyers, F.Mills, G.B.Mills, J.Monroe, C.D.Moore, J.Mousseau, R.H.Nelson, P.Nienaber, J.A.Nowak, B.Osmanov, S.Ouedraogo, R.B.Patterson, Z.Pavlovic, D.Perevalov, C.C.Polly, E.Prebys, J.L.Raaf, H.Ray, B.P.Roe, A.D.Russell, V.Sandberg, R.Schirato, D.Schmitz, M.H.Shaevitz, F.C.Shoemaker, D.Smith, M.Soderberg, M.Sorel, P.Spentzouris, J.Spitz, I.Stancu, R.J.Stefanski, M.Sung, H.A.Tanaka, R.Tayloe, M.Tzanov, R.G.VandeWater, M.O.Wascko, D.H.White, M.J.Wilking, H.J.Yang, G.P.Zeller, E.D.Zimmerman

A Highly Efficient Neutron Veto for Dark Matter Experiments

Authors: Alex Wright, Pablo Mosteiro, Ben Loer, Frank Calaprice

tipa -- 10/18/2010

Spin-Dependent Limits from the DRIFT-IId Directional Dark Matter Detector

Authors: E. Daw, J.R. Fox, J.-L. Gauvreau, C. Ghag, L.J. Harmon, M. Gold, E. Lee, D. Loomba, E. Miller, A.StJ. Murphy, S.M. Paling, J.M. Landers, M. Pipe, K. Pushkin, M. Robinson, D.P. Snowden-Ifft, N.J.C. Spooner, D. Walker

Diffuse Hard X-ray Emission in Starburst Galaxies as Synchrotron from Very High Energy Electrons

Authors: Brian C. Lacki, Todd A. Thompson

CRT: A numerical tool for propagating ultra-high energy cosmic rays through Galactic magnetic field models

Authors: Michael S. Sutherland, Brian M. Baughman, James J. Beatty

Analytic Solutions of Ultra-High Energy Cosmic Ray Nuclei Revisited

Authors: Markus Ahlers, Andrew M. Taylor

Investigating the Cosmic-Ray Ionization Rate Near the Supernova Remnant IC 443 Through H3+ Observations

Authors: Nick Indriolo, Geoffrey A. Blake, Miwa Goto, Tomonori Usuda, Takeshi Oka, T. R. Geballe, Brian D. Fields, Benjamin J. McCall

classic papers of the week -- 170

On the Possibility of Electric Dipole Moments for Elementary Particles and Nuclei

Purcell, E. M.; Ramsey, N. F. (Department of Physics, Harvard University)

The Ability of the 200-inch Telescope to Discriminate Between Selected World Models

Sandage, Allan (Mount Wilson and Palomar Observatories, Carnegie Institution of Washington, California Institute of Technology)

Crystal Statistics. I. A Two-Dimensional Model with an Order-Disorder Transition

Onsager, Lars (Sterling Chemistry Laboratory, Yale University)

tipa -- 10/15/2010

A low-magnetic-field Soft Gamma Repeater

Authors: N. Rea (CSIC-IEEC), P. Esposito (INAF), R. Turolla (U. Padova), G. L. Israel (INAF), S. Zane (MSSL), L. Stella, S. Mereghetti, A. Tiengo (INAF), D. Gotz (CEA-Saclay), E. Gogus (Sabanci), C. Kouveliotou (NASA)

The Production of Ultra High Energy Cosmic Rays during the Early Epochs of Radio-loud AGN

Authors: Hajime Takami, Shunsaku Horiuchi

Diffusive Cosmic Ray Acceleration at the Galactic Centre

Authors: Fulvio Melia, Marco Fatuzzo

Cores and Cusps in Warm Dark Matter Halos

Authors: Francisco Villaescusa-Navarro, Neal Dalal

Dark Matter Annihilation in The Galactic Center As Seen by the Fermi Gamma Ray Space Telescope

Authors: Dan Hooper, Lisa Goodenough

Simulating merging binary black holes with nearly extremal spins

Authors: Geoffrey Lovelace, Mark. A. Scheel, Bela Szilagyi

tipa -- 10/14/2010

Bound and unbound substructures in Galaxy-scale Dark Matter haloes

Authors: Michal Maciejewski (1), Mark Vogelsberger (1,2), Simon D.M. White (1), Volker Springel (1,3) ((1) Max Planck Institute for Astrophysics (2) Harvard/CfA (3) Heidelberg Institute for Theoretical Studies)

Gas accretion as the origin of chemical abundance gradients in distant galaxies

Authors: G. Cresci, F. Mannucci, R. Maiolino, A. Marconi, A. Gnerucci, L. Magrini

The Origin of Dark Matter Halo Profiles

Authors: Neal Dalal, Yoram Lithwick, Michael Kuhlen

When A Standard Candle Flickers

Authors: Colleen A. Wilson-Hodge (NASA/MSFC), Michael L. Cherry (LSU), Wayne H. Baumgartner (NASA/CRESST) Elif Beklen (METU/SDU), P. Narayana Bhat, Michael S. Briggs (UAH), Ascension Camero-Arranz (NSSTC), Gary L. Case (LSU), Vandiver Chaplin, Valerie Connaughton (UAH), Mark H. Finger (USRA), Neil Gehrels (NASA/GSFC), Jochen Greiner (MPE), Keith Jahoda (NASA/GSFC), Peter Jenke (NPP/NASA/MSFC), R. Marc Kippen (LANL), Chryssa Kouveliotou (NASA/MSFC), Hans A. Krimm (CRESST/NASA/GSFC/USRA), Erik Kuulkers (ESA/ESAC), Charles A. Meegan (USRA), Lorenzo Natalucci (INAF-IASF), William S. Paciesas, Robert Preece (UAH), James C. Rodi (LSU), Nikolai Shaposhnikov, Gerald K. Skinner (UMD/CRESST/NASA/GSFC), Doug Swartz (USRA), Andreas von Kienlin (MPE)

Caltech Core-Collapse Project (CCCP) observations of type IIn supernovae: typical properties and implications for their progenitor stars

Authors: Michael Kiewe (1), Avishay Gal-Yam (1), Iair Arcavi (1), Douglas C. Leonard (2), J. Emilio Enriquez (3), S. Bradley Cenko (4), Derek B. Fox (5), Dae-Sik Moon (6), David J. Sand (7), Alicia M. Soderberg (7)

tipa -- 10/13/2010

A ground-based measurement of the relativistic beaming effect in a detached double WD binary

Authors: Avi Shporer, David L. Kaplan, Justin D. R. Steinfadt, Lars Bildsten, Steve B. Howell, Tsevi Mazeh

Hubble Space Telescope Studies of Nearby Type Ia Supernovae: The Mean Maximum Light Ultraviolet Spectrum and its Dispersion

Authors: Jeff Cooke, Richard S. Ellis, Mark Sullivan, Peter Nugent, D. Andrew Howell, Avishay Gal-Yam, Chris Lidman, Joshua S. Bloom, S. Bradley Cenko, Mansi M. Kasliwal, Shrinivas R. Kulkarni, Nicholas M. Law, Eran O. Ofek, Robert M. Quimby

Where are the Fossils of the First Galaxies? I. Local Volume Maps and Properties of the Undetected Dwarfs

Authors: Mia S. Bovill, Massimo Ricotti (University of Maryland)

Constraining the Minimum Mass of High-Redshift Galaxies and Their Contribution to the Ionization State of the IGM

Authors: Joseph A. Muñoz, Abraham Loeb

tipa -- 10/12/2010

Cluster morphologies and model-independent Y_SZ estimates from Bolocam Sunyaev-Zel'dovich images

Authors: Jack Sayers, Sunil R. Golwala, Silvia Ameglio, Elena Pierpaoli

The missing gas problem in GRB host galaxies: evidence for a highly ionised component

Authors: P.Schady (1), S.Savaglio (1), T.Kruehler (1 and 2), J.Greiner (1), A.Rau (1) ((1) MPE, (2) Universe Cluster, TUM)

The Final Merger of Black-Hole Binaries

Authors: Joan M. Centrella, John G. Baker, Bernard J. Kelly, James R. van Meter

tipa -- 10/11/2010

The formation of high-field magnetic white dwarfs from common envelopes

Authors: J. Nordhaus (Princeton), S. Wellons (Princeton), D. S. Spiegel (Princeton), B. D. Metzger (Princeton), E. G. Blackman (Univ. Rochester)

Electron screening and its effects on Big-Bang nucleosynthesis

Authors: Biao Wang, C.A. Bertulani, A.B. Balantekin

Searching for Needles in Haystacks - Using the Fermi/GBM to find GRB gamma-rays with the Fermi/LAT Detector

Authors: C. W. Akerlof, W. Zheng, S. B. Pandey, T. A. McKay

classic papers of the week -- 169

Self-Consistent Equations Including Exchange and Correlation Effects

Kohn, W.; Sham, L. J. (University of California, San Diego, La Jolla, CA)

Testing Relativity with Laser Ranging to the Moon

Nordtvedt, K. (Department of Physics, Montana State University, Bozeman, MT)

Extraterrestrial Cause for the Cretaceous-Tertiary Extinction

Alvarez, Luis W.; Alvarez, Walter; Asaro, Frank; Michel, Helen V.

tipa -- 10/8/2010

Ten per cent polarized optical emission from GRB 090102

Authors: I.A. Steele (1), C.G. Mundell (1), R.J. Smith (1), S. Kobayashi (1), C. Guidorzi (2) ((1) ARI, Liverpool John Moores University, (2) University of Ferrara)

High star formation rates as the origin of turbulence in early and modern disk galaxies

Authors: Andrew W. Green, Karl Glazebrook, Peter J. McGregor, Roberto G. Abraham, Gregory B. Poole, Ivana Damjanov, Patrick J. McCarthy, Matthew Colless, Robert G. Sharp

Detection of an X-ray Pulsation for the Gamma-ray Pulsar Centered in CTA 1

Authors: Lupin C.C. Lin, Regina H. H. Huang, Jumpei Takata, Chorng-Yuan Hwang, Albert K. H. Kong, Chung-Yue Hui

Searching for Needles in Haystacks - Looking for GRB gamma-rays with the Fermi/LAT Detector

Authors: C. W. Akerlof, W. Zheng, S. B. Pandey, T. A. McKay

tipa -- 10/7/2010

The Atacama Cosmology Telescope: Cosmology from Galaxy Clusters Detected via the Sunyaev-Zel'dovich Effect

Authors: Neelima Sehgal, Hy Trac, Viviana Acquaviva, Peter A. R. Ade, Paula Aguirre, Mandana Amiri, John W. Appel, L. Felipe Barrientos, Elia S. Battistelli, J. Richard Bond, Ben Brown, Bryce Burger, Jay Chervenak, Sudeep Das, Mark J. Devlin, Simon R. Dicker, W. Bertrand Doriese, Joanna Dunkley, Rolando Dünner, Thomas Essinger-Hileman, Ryan P. Fisher, Joseph W. Fowler, Amir Hajian, Mark Halpern, Matthew Hasselfield, Carlos Hernández-Monteagudo, Gene C. Hilton, Matt Hilton, Adam D. Hincks, Renée Hlozek, David Holtz, Kevin M. Huffenberger, David H. Hughes, John P. Hughes, Leopoldo Infante, Kent D. Irwin, Andrew Jones, Jean Baptiste Juin, Jeff Klein, Arthur Kosowsky, Judy M. Lau, Michele Limon, Yen-Ting Lin, Robert H. Lupton, Tobias A. Marriage, Danica Marsden, Krista Martocci, Phil Mauskopf, Felipe Menanteau, Kavilan Moodley, Harvey Moseley, Calvin B. Netterfield, Michael D. Niemack, Michael R. Nolta, Lyman A. Page, Lucas Parker, Bruce Partridge, Beth Reid, Blake D. Sherwin, Jon Sievers, David N. Spergel, Suzanne T. Staggs, Daniel S. Swetz, Eric R. Switzer, Robert Thornton, Carole Tucker, Ryan Warne, Ed Wollack, Yue Zhao

Cooling rates of neutron stars and the young neutron star in the Cassiopeia A supernova remnant

Authors: Dmitry G. Yakovlev, Wynn C. G. Ho, Peter S. Shternin, Craig O. Heinke, Alexander Y. Potekhin

A Monte Carlo Approach to Evolution of the Far-Infrared Luminosity Function with BLAST

Authors: Gaelen Marsden, Edward L. Chapin, Mark Halpern, Guillaume Patanchon, Douglas Scott, Matthew D. P. Truch, Elisabetta Valiante, Marco P. Viero, Donald V. Wiebe

Negative optical inertia for enhancing the sensitivity of future gravitational-wave detectors

Authors: Farid Khalili, Stefan Danilishin, Helge Mueller-Ebhardt, Haixing Miao, Yanbei Chen, Chunnong Zhao

Top Quark Physics at the Tevatron

Authors: Frederic Deliot, Douglas Glenzinski

tipa -- 10/6/2010

Measurement of the Positive Muon Lifetime and Determination of the Fermi Constant to Part-per-Million Precision

Authors: D.M. Webber, V. Tishchenko, Q.~Peng, S. Battu, R.M. Carey, D.B. Chitwood, J. Crnkovic, P.T. Debevec, S. Dhamija, W. Earle, A. Gafarov, K. Giovanetti, T.P. Gorringe, F.E. Gray, Z. Hartwig, D.W. Hertzog, B. Johnson, P. Kammel, B. Kiburg, S. Kizilgul, J. Kunkle, B. Lauss, I. Logashenko, K.R. Lynch, R. McNabb, J.P. Miller, F. Mulhauser, C.J.G. Onderwater, J. Phillips, S. Rath, B.L. Roberts, P. Winter, B. Wolfe

Theoretical Support for the Hydrodynamic Mechanism of Pulsar Kicks

Authors: J. Nordhaus (Princeton), T. D. Brandt (Princeton), A. Burrows (Princeton), E. Livne (Hebrew Univ.), C. D. Ott (Caltech)

Does M31 result from an ancient major merger?

Authors: F. Hammer (1), Y. B. Yang (2), J. L. Wang (1,2), M. Puech (1), H. Flores (1), S. Fouquet (1) ((1) Laboratoire GEPI, Observatoire de Paris (2) National Astronomical Observatories, Chinese Academy of Sciences (NAOC))

Positron annihilation spectrum from the Galactic Centre region observed by SPI/INTEGRAL, revisited: annihilation in a cooling ISM?

Authors: E.Churazov, S.Sazonov, S.Tsygankov, R.Sunyaev, D.Varshalovich

Laboratory constraints on chameleon dark energy and power-law fields

Authors: Jason H. Steffen (1), Amol Upadhye (2), Al Baumbaugh (1), Aaron S. Chou (1), Peter O. Mazur (1), Ray Tomlin (1), Amanda Weltman (3), William Wester (1) ((1) Fermi National Accelerator Laboratory (2) Kavli Institute for Cosmological Physics, University of Chicago (3) University of Cape Town)

Rotation Speed of the First Stars