today in particle astrophysics

tipa -- 9/3/2009

An Electromagnetic Signature of Galactic Black Hole Binaries That Enter Their Gravitational-Wave Induced Inspiral

Authors: Abraham Loeb (Harvard)

Seeing the Collision of a Supernova with its Companion Star

Authors: Daniel Kasen

X-ray Astronomy in the Laboratory with a Miniature Compact Object Produced by Laser-Driven Implosion

Authors: Shinsuke Fujioka, Hideaki Takabe, Norimasa Yamamoto, David Salzmann, Feilu Wang, Hiroaki Nishimura, Yutong Li, Quanli Dong, Shoujun Wang, Yi Zhang, Yong-Joo Rhee, Yong-Woo Lee, Jae-Min Han, Minoru Tanabe, Takashi Fujiwara, Yuto Nakabayashi, Gang Zhao, Jie Zhang, Kunioki Mima

The remnants of galaxy formation from a panoramic survey of the region around M31

Authors: Alan W. McConnachie, Michael J. Irwin, Rodrigo A. Ibata, John Dubinski, Lawrence M. Widrow, Nicolas F. Martin, Patrick Cote, Aaron L. Dotter, Julio F. Navarro, Annette M. N. Ferguson, Thomas H. Puzia, Geraint F. Lewis, Arif Babul, Pauline Barmby, Olivier Bienayme, Scott C. Chapman, Robert Cockcroft, Michelle L. M. Collins, Mark A. Fardal, William E. Harris, Avon Huxor, A. Dougal Mackey, Jorge Penarrubia, R. Michael Rich, Harvey B. Richer, Arnaud Siebert, Nial Tanvir, David Valls-Gabaud, Kimberly A. Venn

Radio continuum and near-infrared study of the MGRO J2019+37 region

Authors: J.M. Paredes, J.Marti, C.H. Ishwara-Chandra, J.R. Sanchez-Sutil, A.J. Munoz-Arjonilla, J. Moldon, M. Peracaula, P.L. Luque-Escamilla, V. Zabalza, V. Bosch-Ramon, P. Bordas, G.E. Romero, M. Ribo

tipa -- 9/2/2009

Omniscopes: Large Area Telescope Arrays with only N log N Computational Cost

Authors: Max Tegmark (MIT), Matias Zaldarriaga (IAS)

Magnetohydrodynamic Simulations of Gamma-Ray Burst Jets: Beyond the Progenitor Star

Authors: Alexander Tchekhovskoy (1), Ramesh Narayan (1), Jonathan C. McKinney (2) ((1) Harvard-CfA, (2) Department of Physics and Kavli Institute for Particle Astrophysics and Cosmology, Stanford University)

A Spatially Resolved Map of the Kinematics, Star-Formation and Stellar Mass Assembly in a Star-Forming Galaxy at z=4.9

Authors: Mark Swinbank (1), Tracy Webb (2), Johan Richard (1), Richard Bower (1) Richard Ellis (3), Garth Illingworth (4), Tucker Jones (3), Mariska Kriek (5), Ian Smail (1), Dan Stark (6), Pieter Van Dokkum (7) ((1) Durham, (2) McGill, (3) Caltech, (4) UCSC, (5) Princeton, (6) Cambridge, (7) Yale)

tipa -- 9/1/2009

First-year Sloan Digital Sky Survey-II (SDSS-II) Supernova Results: Hubble Diagram and Cosmological Parameters

Authors: Richard Kessler, Andrew Becker, David Cinabro, Jake Vanderplas, Joshua A. Frieman, John Marriner, Tamara M Davis, Benjamin Dilday, Jon Holtzman, Saurabh Jha, Hubert Lampeitl, Masao Sako, Mathew Smith, Chen Zheng, Robert C. Nichol, Bruce Bassett, Ralf Bender, Darren L. Depoy, Mamoru Doi, Ed Elson, Alex V. Filippenko, Ryan J. Foley, Peter M. Garnavich, Ulrich Hopp, Yutaka Ihara, William Ketzeback, W. Kollatschny, Kohki Konishi, Jennifer L. Marshall, Russet J. McMillan, Gajus Miknaitis, Tomoki Morokuma, Edvard M"ortsell, Kaike Pan, Jose Luis Prieto, Michael W. Richmond, Adam G. Riess, Roger Romani, Donald P. Schneider, Jesper Sollerman, Naohiro Takanashi, Kouichi Tokita, Kurt van der Heyden, J. C. Wheeler, Naoki Yasuda, Donald York

Production of 26Al, 44Ti, and 60Fe in Core-Collapse Supernovae: Sensitivity to the Rates of the Triple Alpha and 12C(a,g)16O Reactions

Authors: Clarisse Tur, Alexander Heger, Sam M. Austin

Radial Distribution of X-ray Point Sources near the Galactic Center

Authors: Jaesub Hong, Maureen van den Berg, Jonathan E. Grindlay, Silas Laycock

Nuclear Security Applications of Antineutrino Detectors: Current Capabilities and Future Prospects

Authors: A. Bernstein, G. Baldwin, B. Boyer, M. Goodman, J. Learned, J. Lund, D. Reyna, R. Svoboda

tipa -- 8/31/2009

A Maximum Stellar Surface Density in Dense Stellar Systems

Authors: Philip F. Hopkins (1), Norman Murray (2), Eliot Quataert (1), Todd A. Thompson (3) ((1) Berkeley, (2) CITA, (3) OSU)

Identification of the Early Fermi LAT Gamma-Ray Bright Objects with Extragalactic VLBI sources

Authors: Y. Y. Kovalev (MPIfR and ASC Lebedev)

Near-IR Search for Lensed Supernovae Behind Galaxy Clusters: I. Observations and transient detection efficiency

Authors: V. Stanishev, A. Goobar, K. Paech, R. Amanullah, T. Dahlén, J. Jönsson, J. P. Kneib, C. Lidman, M. Limousin, E. Mörtsell, S. Nobili, J. Richard, T. Riehm, M. von Strauss

Constraints on Extragalactic Point Source Flux from Diffuse Neutrino Limits

Authors: Andrea Silvestri, Steven W. Barwick

Relativistic Non-Hermitian Quantum Mechanics

Authors: Katherine Jones-Smith, Harsh Mathur

classic papers of the week -- 114

On the Nature of Pulsars. I. Theory

Ostriker, J. P.; Gunn, J. E.

Superstrings in the Early Universe

Robert H. Brandenberger, (Brown University, Providence, RI) , C. Vafa, (Lyman Laboratory of Physics, Harvard University, Cambridge, MA)

The New World-Picture of Modern Physics

Sir James Jeans, F.R.S., President of the British Association

tipa -- 8/28/2009

Imprint of galaxy clustering in the cosmic gamma-ray background

Authors: Shin'ichiro Ando, Vasiliki Pavlidou (Caltech)

Disks in the sky: A reassessment of the WMAP "cold spot"

Authors: Ray Zhang, Dragan Huterer (University of Michigan)

Hidden MeV-Scale Dark Matter in Neutrino Detectors

Authors: Jennifer Kile, Amarjit Soni

Current status of gravitational-wave observations

Authors: Stephen Fairhurst, Gianluca M Guidi, Patrice Hello, John T Whelan, Graham Woan

tipa -- 8/27/2009

Can X-ray emission powered by a spinning-down magnetar explain some GRB light curve features?

Authors: N. Lyons, P.T. O'Brien, B. Zhang, R. Willingale, E. Troja, R.L.C. Starling

Timing Observations of Rotating Radio Transients

Authors: M. A. McLaughlin, A. G. Lyne, E. F. Keane, M. Kramer, J. J. Miller, D. R. Lorimer, R. N. Manchester, F. Camilo, I. H. Stairs

Search for gravitational-wave bursts associated with gamma-ray bursts using data from LIGO Science Run 5 and Virgo Science Run 1

Authors: LIGO Scientific Collaboration, Virgo Collaboration

Experimental test of the Pauli Exclusion Principle

Authors: A.S. Barabash

Early Universe models from Noncommutative Geometry

Authors: Matilde Marcolli (Caltech), Elena Pierpaoli (USC)

tipa -- 8/26/2009

Binary compact object coalescence rates: The role of elliptical galaxies

Authors: R. O'Shaughnessy (1), V. Kalogera (2), K. Belczynski (3 and 4) ((1) Center for Gravitational Wave Physics, Penn State University, (2) Northwestern University, (3) Los Alamos National Laboratory, (4) Astronomical Observatory, University of Warsaw)

A Trigonometric Parallax of Sgr B2

Authors: M. J. Reid, K. M. Menten, X. W. Zheng, A. Brunthaler, Y. Xu

tipa -- 8/25/2009

Evidence for a Triaxial Milky Way Dark Matter Halo from the Sagittarius Stellar Tidal Stream

Authors: David R. Law, Steven R. Majewski, Kathryn V. Johnston

Synthetic Spectra from PIC Simulations of Relativistic Collisionless Shocks

Authors: Lorenzo Sironi, Anatoly Spitkovsky

Quasar Feedback from WMAP and SDSS Cross-Correlation

Authors: Suchetana Chatterjee (University of Pittsburgh), Shirley Ho (LBNL/Princeton), Jeffrey A. Newman (University of Pittsburgh), Arthur Kosowsky (University of Pittsburgh)

Three-Dimensional Simulations of Mixing Instabilities in Supernova Explosions

Authors: N.J. Hammer, H.-Th. Janka, E. Mueller (Max Planck Institute for Astrophysics, Garching)

Nuclear physics for geo-neutrino studies

Authors: Gianni Fiorentini, Aldo Ianni, George Korga, Marcello Lissia, Fabio Mantovani, Lino Miramonti, Lothar Oberauer, Michel Obolensky, Oleg Smirnov, Yury Suvorov

Reassessment of the NuTeV determination of the Weinberg angle

Authors: W. Bentz, I. C. Cloet, J. T. Londergan, A. W. Thomas

An Improved Standard Model Prediction Of BR(B -> tau nu) And Its Implications For New Physics

Authors: UTfit Collaboration: M. Bona, M. Ciuchini, E. Franco, V. Lubicz, G. Martinelli, F. Parodi, M. Pierini, C. Schiavi, L. Silvestrini, V. Sordini, A. Stocchi, C. Tarantino, V. Vagnoni

tipa -- 8/24/2009

Accurate Masses for Dispersion-supported Galaxies

Authors: Joe Wolf, Gregory D. Martinez, James S. Bullock, Manoj Kaplinghat, Marla Geha, Ricardo R. Munoz, Joshua D. Simon, Frank F. Avedo

Optical Spectroscopy of Bright Fermi LAT Blazars

Authors: Michael S. Shaw, Roger W. Romani, Stephen E. Healey, Garret Cotter, Peter F. Michelson, Anthony C. S. Readhead

Frequency Limits on Naked-Eye Optical Transients Lasting from Minutes to Years

Authors: Lior Shamir, Robert J. Nemiroff

classic papers of the week -- 113

The Ultrahigh-Energy Cosmic Ray Spectrum

Christopher T. Hill, (Fermi National Accelerator Laboratory), David N. Schramm (The University of Chicago and Fermi National Accelerator Laboratory)

The origin of dwarf galaxies, cold dark matter, and biased galaxy formation

Dekel, A. (Yale University and Weizmann Institute of Science); Silk, J. (University of California, Berkeley)

Super Collider Physics

E. Eichten (Fermi National Accelerator Laboratory), I. Hinchliffe (Lawrence Berkeley Laboratory), Kenneth D. Lane (The Ohio State University), C. Quigg (Fermi National Accelerator Laboratory)

Authors: F. Camilo (1), C.-Y. Ng (2), B. M. Gaensler (2), S. M. Ransom (3), S. Chatterjee (4), J. Reynolds (5), J. Sarkissian (5) ((1) Columbia U., (2) U. of Sydney, (3) NRAO, (4) Cornell U., (5) ATNF)

Extragalactic gamma-ray background radiation from dark matter annihilation

Authors: Jesus Zavala, Volker Springel, Michael Boylan-Kolchin

A New Approach to Searching for Dark Matter Signals in Fermi-LAT Gamma Rays

Authors: Spencer Chang, Lisa Goodenough

A Non-thermal WIMP Miracle

Authors: Bobby Samir Acharya, Piyush Kumar, Gordon Kane, Scott Watson

Spectra of magnetic fluctuations and relativistic particles produced by a nonresonant wave instability in supernova remnant shocks

Authors: Andrey E. Vladimirov, Andrei M. Bykov, Donald C. Ellison

Using Atom Interferometery to Search for New Forces

Authors: Jay G. Wacker

A limit for the mu -> e gamma decay from the MEG experiment

Authors: MEG collaboration: J. Adam, X. Bai, A. Baldini, E. Baracchini, A. Barchiesi, C. Bemporad, G. Boca, P. W. Cattaneo, G. Cavoto, G. Cecchet, F. Cei, C. Cerri, A. De Bari, M. De Gerone, T. Doke, S. Dussoni, J. Egger, L. Galli, G. Gallucci, F. Gatti, B. Golden, M. Grassi, D. N. Grigoriev, T. Haruyama, M. Hildebrandt, Y. Hisamatsu, F. Ignatov, T. Iwamoto, D. Kaneko, P.-R. Kettle, B. I. Khazin, O. Kiselev, A. Korenchenko, N. Kravchuk, A. Maki, S. Mihara, W. Molzon, T. Mori, D. Mzavia, H. Natori, R. Nardò, D. Nicolò, H. Nishiguchi, Y. Nishimura, W. Ootani, M. Panareo, A. Papa, R. Pazzi, G. Piredda, A. Popov, F. Renga, S. Ritt, M. Rossella, R. Sawada, M. Schneebeli, F. Sergiampietri, G. Signorelli, S. Suzuki, C. Topchyan, V. Tumakov, Y. Uchiyama, R. Valle, C. Voena, F. Xiao, S. Yamada, A. Yamamoto, S. Yamashita, Yu. V. Yudin, D. Zanello

tipa -- 8/18/2009

Properties of Type II Plateau Supernova SNLS-04D2dc: Multicolor Light Curves of Shock Breakout and Plateau

Authors: N. Tominaga, S. Blinnikov, P. Baklanov, K. Nomoto

An Extremely Top-Heavy IMF in the Galactic Center Stellar Disks

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

Reconstructing the supernova bounce time with neutrinos in IceCube

Authors: Francis Halzen, Georg G. Raffelt

Spectral Lags and the Lag-Luminosity Relation: An Investigation with Swift BAT Gamma-ray Bursts

Authors: T. N. Ukwatta, M. Stamatikos, K. S. Dhuga, T. Sakamoto, S. D. Barthelmy, N. Gehrels, J. P. Norris, W. C. Parke

Searches for Lepton Flavor Violation in the Decays tau -> e gamma and tau -> mu gamma

Authors: The BABAR Collaboration: B. Aubert, et al

tipa -- 8/17/2009

Resolving Cosmic Neutrino Structure: A Hybrid Neutrino N-body Scheme

Authors: Jacob Brandbyge, Steen Hannestad (Aarhus University)

Discovery of the Extremely Energetic Supernova 2008fz

Authors: A.J. Drake, S.G. Djorgovski, J.L. Prieto, A. Mahabal, D. Balam, R. Williams, M.J. Graham, M. Catelan, E. Beshore, S. Larson

Interstellar magnetic fields in the Galactic center region

Authors: Katia Ferriere

Pulsar Binary Birthrates with Spin-Opening Angle Correlations

Authors: Richard O'Shaughnessy (1), Chunglee Kim (2) ((1) Center for Gravitational Wave Physics, Penn State University; (2) Lund Observatory)

X-ray Evolution of SNR 1987A: The Radial Expansion

Authors: Judith L. Racusin, Sangwook Park, Svetozar Zhekov, David N. Burrows, Gordon P. Garmire, Richard McCray

classic papers of the week -- 112

Open letter to the group of radioactive people at the Gauverein meeting in Tübingen

W. Pauli

On the gravitational stability of a disk of stars

Toomre, A.

Solar Neutrinos. I. Theoretical

Bahcall, John N. (California Institute of Technology, Pasadena, CA)

tipa -- 8/14/2009

Testing Einstein's special relativity with Fermi's short hard gamma-ray burst GRB090510

Authors: Fermi GBM/LAT Collaborations

Protoneutron star evolution and the neutrino driven wind in general relativistic neutrino radiation hydrodynamics simulations

Authors: T. Fischer, S. C.Whitehouse, A. Mezzacappa, F.-K. Thielemann, M. Liebendörfer

Agile Detection of Delayed Gamma-Ray Emission from the Short Gamma-Ray Burst GRB 090510

Authors: A. Giuliani, F. Fuschino, G. Vianello, M. Marisaldi, S. Mereghetti, M. Tavani, S. Cutini, G. Barbiellini, F. Longo, E. Moretti, M. Feroci, E. Del Monte, A. Argan, A. Bulgarelli, P. Caraveo, P. W. Cattaneo, A. W. Chen, T. Contessi, F. D'Ammando, E. Costa, G. De Paris, G. Di Cocco, I. Donnarumma, Y. Evangelista, A. Ferrari, M. Fiorini, M. Galli, F. Gianotti, C. Labanti, I. Lapshov, F. Lazzarotto, P. Lipari, A. Morselli, L. Pacciani, A. Pellizzoni, F. Perotti, G. Piano, P. Picozza, M. Pilia, G. Pucella, M. Prest, M. Rapisarda, A. Rappoldi, A. Rubini, S. Sabatini, E. Scalise, E. Striani, P. Soffitta, M. Trifoglio, A. Trois, E. Vallazza, S. Vercellone, V. Vittorini, A. Zambra, D. Zanello, C. Pittori, F. Verrecchia, P. Santolamazza, P. Giommi, S. Colafrancesco, L.A. Antonelli, L. Salotti

Modulino Dark Matter and the INTEGRAL 511 keV Line

Authors: Nathaniel J. Craig, Stuart Raby

tipa -- 8/13/2009

Ultra Relativistic Particle Collisions

Authors: Matthew W. Choptuik, Frans Pretorius

CANGAROO-III Observation of TeV Gamma Rays from the vicinity of PSR B1706-44

Authors: R.Enomoto, J.Kushida, T.Nakamori, T.Kifune, G.V.Bicknell, R.W.Clay, P.G.Edwards, S.Gunji, S.Hara, T.Hara, T.Hattori, S.Hayashi, Y.Higashi, Y.Hirai, K.Inoue, H.Ishioka, S.Kabuki, F.Kajino, H.Katagiri, A.Kawachi, R.Kiuchi, H.Kubo, T.Kunisawa, T.Matoba, Y.Matsubara, I.Matsuzawa, T.Mizukami, Y.Mizumura, Y.Mizumoto, M.Mori, H.Muraishi, T.Naito, S.Nakano, K.Nishijima, M.Ohishi, Y.Otake, S.Ryoki, K.Saito, Y.Sakamoto, A.Seki, V.Stamatescu, T.Suzuki, D.L.Swaby, T.Tanimori, G.Thornton, F.Tokanai, K.Tsuchiya, S.Watanabe, E.Yamazaki, S.Yanagita, T.Yoshida, T.Yoshikoshi, Y.Yukawa (CANGAROO-III)

Pulsar science with the Five hundred metre Aperture Spherical Telescope

Authors: R. Smits, D.R. Lorimer, M. Kramer, R. Manchester, B. Stappers, C.J. Jin, R.D. Nan, D. Li

SN2003bg: a broad-lined Type IIb Supernova with Hydrogen

Authors: Paolo A. Mazzali (1,2,3,4), Jinsong Deng (5), Mario Hamuy (6), Ken'ichi Nomoto (7) ((1) Scuola Normale Superiore di Pisa, Italy, (2) INAF-OAPd, Italy, (3) MPA, Garching, Germany, (4) RESCEU, U. Tokyo, Japan, (5) NAO CAS, Beijing, China, (6) Astronomy Dept., U. Chile, (7) IPMU, U. Tokyo, Japan)

2003bg: The First Type IIb Hypernova