nydipa -- 1/1/2007

G315.1+2.7: a new Galactic SNR from the AAO/UKST HAlpha survey

• Authors: M.Stupar, Q. A. Parker, M. D. Filipovic

Additional bounds on the pre Big--Bang--Nucleosynthesis Expansion by means of $\gamma$-rays from the Galactic Center

• Authors: F. Donato, N. Fornengo, M. Schelke

On sigma model RG flow, "central charge" action and Perelman's entropy

• Authors: A.A. Tseytlin

christmas week in particle astrophysics

Anisotropy of dark matter annihilation with respect to the Galactic plane

• Authors: Veniamin Berezinsky, Vyacheslav Dokuchaev, Yury Eroshenko

Wide field Ritchey-Chretien telescope for ground-based gamma-ray astronomy

• Authors: V. V. Vassiliev, P. F. Brousseau, S. J. Fegan

Analytical solutions for energy spectra of electrons accelerated by nonrelativistic shock-waves in shell type supernova remnants

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

Testing neutrino spectra formation in collapsing stars with the diffuse supernova neutrino flux

• Authors: Cecilia Lunardini

Neutrino Flux from Cosmic Ray Accelerators in the Cygnus Spiral Arm of the Galaxy

• Authors: Luis Anchordoqui, Francis Halzen, Teresa Montaruli, Aongus O'Murchadha

Naturalized and simplified gauge mediation

• Authors: Ofer Aharony, Nathan Seiberg

Ultra High Energy Neutrino Signature in Top-Down Scenario

• Authors: Roberto Aloisio (INFN - LNGS)

Circumstellar Interaction Around Type Ib/c Supernovae and the GRB Connection

• Authors: R. A. Chevalier

Fundamentals of Quantum Gravity

• Authors: John R. Klauder

Neutrino Physics around MeV Energies

• Authors: Kunio Inoue, Hisakazu Minakata

tipa -- 12/22/2006

A direct measurement of the relativistic expansion velocity of gamma-ray burst fireballs

• Authors: E. Molinari, S.D. Vergani, D. Malesani, S. Covino, P. D'Avanzo, G. Chincarini, F.M. Zerbi, L.A. Antonelli, P. Conconi, V. Testa, G. Tosti, F. Vitali, F. D'Alessio, G. Malaspina, L. Nicastro, E. Palazzi, D. Guetta, S. Campana, P. Goldoni, N. Masetti, E.J.A. Meurs, A. Monfardini, L. Norci, E. Pian, S. Piranomonte, D. Rizzuto, M. Stefanon, L. Stella, G. Tagliaferri, P.A. Ward, G. Ihle, L. Gonzalez, A. Pizarro, P. Sinclair, J. Valenzuela

IR Background Anisotropies in Spitzer GOODS images and constraints on first galaxies

• Authors: Asantha Cooray (UC Irvine), Ian Sullivan (Caltech), Ranga-Ram Chary (Caltech), James J. Bock (JPL), Mark Dickinson (NOAO), Henry C. Ferguson (STSCI), Brian Keating (UCSD), Andrew Lange (Caltech), Edward L. Wright (UCLA)

Quasars with Super Metal Rich Emission Line Regions

• Authors: Neelam Dhanda, Jack A. Baldwin, Misty C. Bentz, Patrick S. Osmer

Astrophysics: A burst of new ideas

• Authors: Bing Zhang (UNLV)

See also: Nature

Constraints on Braneworld Gravity Models from a Kinematic Limit on the Age of the Black Hole XTE J1118+480

• Authors: Dimitrios Psaltis (University of Arizona)

The brightest supernova ever recorded, powered by the death of an extremely massive star

• Authors: Nathan Smith, Weidong Li, Ryan J. Foley, Ryan Chornock, Alexei V. Filippenko, David Pooley, Robert Quimby, J. Craig Wheeler, Joshua S. Bloom, Charles Hansen

Early-type stars in the core of the young open cluster Westerlund2

• Authors: G. Rauw (1), J. Manfroid (1), E. Gosset (1), Y. Naze (1), H. Sana (1,2), M. De Becker (1), C. Foellmi (2,3), A.F.J. Moffat (4) (1= IAGL, ULg, Belgium; 2=ESO-Chile; 3=Obs. de Grenoble, France; 4= Univ. de Montreal, Canada)

Constraints on power spectrum of density fluctuations from PBH evaporations

• Authors: Edgar Bugaev, Peter Klimai

Evidence for production of single top quarks and first direct measurement of |Vtb|

• Authors: D0 Collaboration, V.M. Abazov, et al

Neutrino Mass and New Physics

• Authors: R. N. Mohapatra, A. Y. Smirnov

Recent Observations of EGRET Pulsar Wind Nebulae

• Authors: Mallory S.E. Roberts, E. V. Gotthelf, Jules P. Halpern, Crystal L. Brogan, Scott M. Ransom

tipa -- 12/21/2006

The Signature of Large Scale Structures on the Very High Energy Gamma-Ray Sky

• Authors: A. Cuoco, S. Hannestad, T. Haugbølle, G. Miele, P. D. Serpico, H. Tu

The Energy Spectrum of the Blazar Markarian 421 Above 130 GeV

• Authors: J.E. Carson, J. Kildea, R. A. Ong, J. Ball, D. A. Bramel, C. E. Covault, D. Driscoll, P. Fortin, D. M. Gingrich, D. S. Hanna, T. Lindner, C. Mueller, A. Jarvis, R. Mukherjee, K. Ragan, R. A. Scalzo, D. A. Williams, J. Zweerink

The Curvaceous Early Spectra of Swift X-ray Afterglows: Late Time GRB Activity Without N_H Variations

• Authors: Nathaniel R. Butler, Daniel Kocevski

Searching for hidden Wolf-Rayet stars in the Galactic Plane - 15 new Wolf-Rayet stars

• Authors: L. J. Hadfield, S. D. Van Dyk, P. W. Morris, J. D. Smith, A. P. Marston, D. E. Peterson

Nucleosynthesis-relevant conditions in neutrino-driven supernova outflows. I. Spherically symmetric hydrodynamic simulations

• Authors: A. Arcones, H.-Th. Janka, L. Scheck (MPI for Astrophysics, Garching)

Status of direct searches for WIMP dark matter

• Authors: Richard W. Schnee

MSW Oscillations - LMA and Subdominant Effects

• Authors: Alexander Friedland

tipa -- 12/20/2006

The galactic antiproton spectrum at high energies: background expectation vs. exotic contributions

• Authors: Torsten Bringmann, Pierre Salati

Dynamics of triple black hole systems in hierarchically merging massive galaxies

• Authors: Loren Hoffman, Abraham Loeb

Early Ultraviolet, Optical and X-Ray Observations of the Type IIP SN 2005cs in M51 with Swift

• Authors: Peter J. Brown, Luc Dessart, Stephen T. Holland, Stefan Immler, Wayne Landsman, Stephane Blondin, Alexander J. Blustin, Alice Breeveld, Gulab C. Dewangan, Neil Gehrels, Robert B. Hutchins, Robert P. Kirshner, Keith O. Mason, Paolo A. Mazzali, Peter Milne, Maryam Modjaz, Peter W. A. Roming

Microlensing of an extended source by a power-law mass distribution

• Authors: Arthur B. Congdon, Charles R. Keeton, S. J. Osmer

Extensive multiband study of the X-ray rich GRB 050408. A likely off-axis event with an intense energy injection

• Authors: A de Ugarte Postigo, T.A. Fatkhullin, G. Johannesson, J. Gorosabel, V.V. Sokolov, A.J. Castro-Tirado, Yu.Yu. Balega, O.I. Spiridonova, M. Jelinek, S. Guziy, D. Perez-Ramirez, J. Hjorth, P. Laursen, D. Bersier, S.B. Pandey, M. Bremer, A. Monfardini, K.Y. Huang, Y. Urata, W.H. Ip, T. Tamagawa, D. Kinoshita, T. Mizuno, Y. Arai, H. Yamagishi, T. Soyano, F. Usui, M. Tashiro, K. Abe, K. Onda, Z. Aslan, I. Khamitov, T. Ozisik, U. Kiziloglu, I. Bikmaev, N. Sakhibullin, R. Burenin, M. Pavlinsky, R. Sunyaev, D. Bhattacharya, A.P. Kamble, C.H. Ishwara Chandra, S.A. Trushkin

MAGIC upper limits on the high energy emission from GRBs

• Authors: J. Albert, E. Aliu, H. Anderhub, P. Antoranz, A. Armada, C. Baixeras, J. A. Barrio, H. Bartko, D. Bastieri, J. Becker, W. Bednarek, K. Berger, C. Bigongiari, A. Biland, R. K. Bock, P. Bordas, V. Bosch-Ramon, T. Bretz, I. Britvitch, M. Camara, E. Carmona, A. Chilingarian, S. Ciprini, J. A. Coarasa, S. Commichau, J. L. Contreras, J. Cortina, M.T. Costado, V. Curtef, V. Danielyan, F. Dazzi, A. De Angelis, C. Delgado, R. de los Reyes, B. De Lotto, E. Domingo-Santamaria, D. Dorner, M. Doro, M. Errando, M. Fagiolini, D. Ferenc, E. Fernandez, R. Firpo, J. Flix, M. V. Fonseca, L. Font, M. Fuchs, N. Galante, R. Garcia-Lopez, M. Garczarczyk, M. Gaug, M. Giller, F. Goebel, D. Hakobyan, M. Hayashida, T. Hengstebeck, A. Herrero, D. Hohne, J. Hose, C. C. Hsu, et al. (MAGIC Collaboration: 84 additional authors not shown)

Cosmological Constraints from Galaxy Cluster Velocity Statistics

• Authors: Suman Bhattacharya, Arthur Kosowsky

The flat decay phase in the early X-ray afterglows of Swift GRBs

• Authors: Jonathan Granot

tipa -- 12/19/2006

Dark matter annihilation or unresolved astrophysical sources? Anisotropy probe of the origin of cosmic gamma-ray background

• Authors: Shin'ichiro Ando (Caltech), Eiichiro Komatsu (Univ. Texas at Austin), Takuro Narumoto, Tomonori Totani (Kyoto Univ.)

H.E.S.S. observations of the supernova remnant RX J0852.0-4622: shell-type morphology and spectrum of a widely extended VHE gamma-ray source

• Authors: HESS Collaboration: F.A. Aharonian, et al

Protecting Life in the Milky Way: Metals Keep the GRBs Away

• Authors: K. Z. Stanek, O. Y. Gnedin, J. F. Beacom, A. P. Gould, J. A. Johnson, J. A. Kollmeier, M. Modjaz, M. H. Pinsonneault, R. Pogge, D. H. Weinberg

Combined D0 and CDF Upper Limits on Standard-Model Higgs-Boson Production

• Authors: TEVNPH working group (for the) CDF Collaboration, D0 Collaboration

Search for millicharged particles in reactor neutrino experiments: a probe of the PVLAS anomaly

• Authors: S.N. Gninenko, N.V. Krasnikov, A. Rubbia

tipa -- 12/18/2006

Probing ~100 AU Intergalactic MgII Absorbing "Cloudlets" with Quasar Microlensing

• Authors: Subo Dong

SN 2006gy: An extremely luminous supernova in the early-type galaxy NGC 1260

• Authors: E. O. Ofek, P. B. Cameron, M. M. Kasliwal, A. Gal-Yam, A. Rau, S. R. Kulkarni, D. A. Frail, P. Chandra, S. B. Cenko, A. M. Soderberg, S. Immler

Strongly Variable z=1.48 MgII and FeII Absorption in the Spectra of z=4.05 GRB 060206

• Authors: H. Hao, K. Z. Stanek, A. Dobrzycki, T. Matheson, M. C. Bentz, J. Kuraszkiewicz, P. M. Garnavich, J. C. Howk, M. L. Calkins, G. Worthey, M. Modjaz, J. Serven

The maximum momentum of particles accelerated at cosmic ray modified shocks

• Authors: Pasquale Blasi (1), Elena Amato (1), Damiano Caprioli (2) ((1) INAF/Arcetri Astrophysical Observatory, (2) Scuola Normale Superiore Pisa)

Neutron Star Observations: Prognosis for Equation of State Constraints

• Authors: James M. Lattimer, Maddapa Prakash

New measurements of cosmic infrared background fluctuations from early epochs

• Authors: A. Kashlinsky, R. G. Arendt, J. Mather, S. H. Moseley

Gauge Mediation Simplified

• Authors: Hitoshi Murayama, Yasunori Nomura

SUSY at the Pole

• Authors: Joern Kersten

From the Mendeleev periodic table to particle physics and back to the periodic table

• Authors: M.R. Kibler (IPNL)

tipa -- 12/15/2006

Star formation rates and stellar masses in z ~ 1 gamma ray burst hosts

• Authors: J. M. Castro Cerón, M. J. Michałowski, J. Hjorth, D. Watson, J. P. U. Fynbo, J. Gorosabel

Observation of very high energy gamma-rays from the AGN 1ES 2344+514 in a low emission state with the MAGIC telescope

• Authors: J. Albert et al. (MAGIC Collaboration)

GLAST sensitivity to Point Sources of Dark Matter Annihilation

• Authors: Gianfranco Bertone, Torsten Bringmann, Riccardo Rando, Giovanni Busetto, Aldo Morselli

Discovery of A New Faint Radio SNR G108.2-0.6

• Authors: W.W. Tian, D.A. Leahy, T.J. Foster

Is astronomy possible with neutral ultra-high energy cosmic ray particles existing in the Standard Model?

• Authors: P.G. Tinyakov, I.I. Tkachev

A Combination of Preliminary Electroweak Measurements and Constraints on the Standard Model

• Authors: The LEP Collaborations: ALEPH Collaboration, DELPHI Collaboration, L3 Collaboration, OPAL Collaboration, the LEP Electroweak Working Group

Two decades of pulsar timing of Vela

• Authors: Richard Dodson, Dion Lewis, Peter McCulloch

Panchromatic Views of Large-scale Extragalactic Jets

• Authors: C.C. Cheung (NRAO & Kipac/Stanford)

Antigravity and black holes

• Authors: Dragan Slavkov Hajdukovic

tipa -- 12/14/2006

Exotic Collider Signals from the Complete Phase Diagram of Minimal Universal Extra Dimensions

• Authors: Jose A. R. Cembranos, Jonathan L. Feng, Louis E. Strigari

Physics with a very long neutrino factory baseline

• Authors: Raj Gandhi, Walter Winter

Gravitational wave bursts from the Galactic massive black hole

• Authors: Clovis Hopman (Leiden University), Marc Freitag (Cambridge), Shane L. Larson (Weber State University)

Tentative detection of the gravitational magnification of type Ia supernovae

• Authors: Jakob Jonsson, Tomas Dahlen, Ariel Goobar, Edvard Mortsell, Adam Riess

Oscillation effects on high-energy neutrino fluxes from astrophysical hidden sources

• Authors: Olga Mena, Irina Mocioiu, Soebur Razzaque

tipa -- 12/13/2006

Giant Flare in SGR 1806-20 and Its Compton Reflection from the Moon

• Authors: D.D.Frederiks, S.V.Golenetskii, V.D.Palshin, R.L.Aptekar, V.N.Ilyinskii, F.P.Oleinik, E.P.Mazets, T.L.Cline

VLA and XMM-Newton observations of SNR W41/TeV Gamma-ray source HESS J1834-087

• Authors: W.W. Tian, Z. Li, D.A. Leahy, Q.D. Wang

Determination of Neutrino Mass Hierarchy and Theta_13 with a Remote Detector of Reactor Antineutrinos

• Authors: John Learned, Steve Dye, Sandip Pakvasa, Robert Svoboda

Distinguishing Supersymmetry From Universal Extra Dimensions or Little Higgs Models With Dark Matter Experiments

• Authors: Dan Hooper, Gabrijela Zaharijas

Pair production from nuclear collisions and cosmic ray transport

• Authors: John W. Norbury

The physics of GRB jets and their interaction with the progenitor star

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

tipa -- 12/12/2006

Making a Short Gamma-Ray Burst from a Long one: Implications for the Nature of GRB 060614

• Authors: Bing Zhang, Bin-Bin Zhang, En-Wei Liang, Neil Gehrels, David N. Burrows, Peter Meszaros

Second dip as a signature of ultrahigh energy proton interactions with cosmic microwave background radiation

• Authors: V. Berezinsky, A. Gazizov, M. Kachelrie\ss

The radio spectra of the compact sources in Arp 220: A mixed population of supernovae and supernova remnants

• Authors: Rodrigo Parra, John E. Conway, Philip J. Diamond, Hannah Thrall, Colin J. Lonsdale, Carol J. Lonsdale, Harding E. Smith

New Constraints on Macroscopic Compact Objects as a Dark Matter Candidate from Gravitational Lensing of Type Ia Supernovae

• Authors: R. Benton Metcalf, Joseph Silk

Modeling GRB 050904: Autopsy of a Massive Stellar Explosion at z=6.29

• Authors: L. J. Gou, D. B. Fox, P. Meszaros

The Gamma Ray Burst Luminosity Function in the Light of the Swift 2-year Data

• Authors: R. Salvaterra, C. Chincarini

The Hubble Diagram to Redshift >6 from 69 Gamma-Ray Bursts

• Authors: Bradley E. Schaefer

Threshold meson production and cosmic ray transport

• Authors: John W. Norbury, Lawrence W. Townsend, Ryan B. Norman

Quasielastic Charged Current Neutrino-nucleus Scattering

• Authors: J.E. Amaro, M.B. Barbaro, J.A. Caballero, T.W. Donnelly

UHECR Particle Spectra from Crypton Decays

• Authors: John Ellis, V.E. Mayes, D.V. Nanopoulos

Icecube, the World's Largest Dark Matter Detector

• Authors: Hagar Landsman (for the IceCube collaboration)

High Energy Astroparticle Physics

• Authors: Guenter Sigl (APC and IAP, Paris, France)

Atmospheric Neutrinos

• Authors: Thomas K. Gaisser

tipa -- 12/11/2006

On the Rates of Gamma Ray Bursts and Type Ib/c Supernovae

• Authors: Dafne Guetta, Massimo Della Valle

Very high energy gamma-ray production inside the massive binary system Cyg X-1/HDE 226868

• Authors: W. Bednarek, F. Giovannelli

A Revised Mass Model For The Andromeda Galaxy

• Authors: Marc S. Seigar, Aaron J. Barth, James S. Bullock (UC Irvine)

Constraints on Thermal X-ray Radiation from SAX J1808.4-3658 and Implications for Neutron Star Neutrino Emission

• Authors: C. O. Heinke, P. G. Jonker, R. Wijnands, R. E. Taam

Electromagnetic Dissociation and Space Radiation

• Authors: John W. Norbury, Khin Maung Maung

tipa -- 12/8/2006

When Do Ultra-relativistic Shocks Make Energetic Particle Populations?

• Authors: David Eichler, Donald C. Ellison

Swift GRB Afterglows and the Forward-Shock Model

• Authors: A. Panaitescu

On the nature of X-Ray Flashes in the SWIFT era

• Authors: B. Gendre (1, 2), A. Galli (1, 3), L. Piro (1) ((1) IASF-Roma/INAF; (2) University Bicocca Milano; (3) INFN-Trieste)

The hadronic models for cosmic ray physics: the FLUKA code solutions

• Authors: G. Battistoni, M.V. Garzelli, E. Gadioli, S. Muraro, P.R. Sala, A. Fassò, A. Ferrari, S. Roesler, F. Cerutti, J. Ranft, L.S. Pinsky, A. Empl, M. Pelliccioni, R. Villari

Direct Detection of Physics Beyond the Standard Model

• Authors: Ivone F. M. Albuquerque

tipa -- 12/7/2006

The Velocity Field of the Local Universe from Measurements of Type Ia Supernovae

• Authors: Troels Haugboelle, Steen Hannestad, Bjarne Thomsen, Johan Fynbo, Jesper Sollerman, Saurabh Jha

Present bounds on the relativistic energy density in the Universe from cosmological observables

• Authors: Gianpiero Mangano, Alessandro Melchiorri, Olga Mena, Gennaro Miele, Anze Slosar

Late-Time Convection in the Collapse of a 23 Solar Mass Star

• Authors: C.L. Fryer, P.A. Young (LANL/UArizona)

Low Energy Precision Test of Supersymmetry

• Authors: M.J. Ramsey-Musolf, S. Su

Enhanced Emission and Accumulation of Antiprotons and Positrons from Supersymmetric Dark Matter

• Authors: Chen Jacoby, Shmuel Nussinov

Coupled oscillators and Feynman's three papers

• Authors: Y. S. Kim

tipa -- 12/6/2006

Dark Energy with a Fine-toothed Comb

• Authors: Eric V. Linder

Redshift Filtering by Swift Apparent X-ray Column Density

• Authors: Dirk Grupe (PSU), John A. Nousek (PSU), Daniel E. vanden Berk (PSU), Peter W.A. Roming (PSU), David N. Burrows (PSU), Neil Gehrels (NASA/GSFC)

Millisecond Dips in Sco X-1 are Likely the Result of High-Energy Particle Events

• Authors: T. A. Jones, A. M. Levine, E. H. Morgan, S. Rappaport

Effect of dark matter annihilation on gas cooling and star formation

• Authors: Y. Ascasibar (Astrophysikalisches Institut Potsdam, Germany)

A remark on an ansatz by M.W. Evans and the so-called Einstein-Cartan-Evans unified field theory

• Authors: Friedrich W. Hehl (Cologne and Missouri-Columbia)

tipa -- 12/5/2006

Pulsars as Astrophysical Laboratories for Nuclear and Particle Physics

• Authors: F. Weber (San Diego State University), R. Negreiros (San Diego State University), P. Rosenfield (San Diego State University), M. Stejner (University of Aarhus & San Diego State University)

Theory of Core-Collapse Supernovae

• Authors: H.-Th. Janka (1), K. Langanke (2,3), A. Marek (1), G. Martinez-Pinedo (2), B. Mueller (1) ((1) MPI for Astrophysics, Garching; (2) GSI, Darmstadt; (3) TU Darmstadt)

Discovery and Upper Limits in Search for Exotic Physics with Neutrino Telescopes

• Authors: Jan Conrad (KTH Stockholm)

"Anomalous" Optical GRB Afterglows are Common: Two z~4 Bursts, GRB 060206 and 060210

• Authors: K. Z. Stanek, X. Dai, J. L. Prieto, D. An, P. M. Garnavich, M. L. Calkins, J. Serven, G. Worthey, H. Hao, A. Dobrzycki, C. Howk, T. Matheson

Top Quark Pairs at High Invariant Mass - A Model-Independent Discriminator of New Physics at the LHC

• Authors: Vernon Barger, Tao Han, Devin G. E. Walker

Time machines and quantum theory

• Authors: Mark J Hadley

tipa -- 12/4/2006

Fast variability of TeV gamma-rays from the radio galaxy M 87

• Authors: HESS Collaboration: F.A. Aharonian, et al

Testing the standard fireball model of GRBs using late X-ray afterglows measured by Swift

• Authors: R. Willingale, P.T. O'Brien, J.P. Osborne, O. Godet, K.L. Page, M.R. Goad, D.N. Burrows, B. Zhang, E. Rol, N. Gehrels, G. Chincarini

On the rarity of double black hole binaries: consequences for gravitational-wave detection

• Authors: Krzysztof Belczynski, Vassiliki Kalogera, Frederic A. Rasio, Ronald E. Taam, Tomasz Bulik

Constraints on the Cosmic Near Infrared Background Excess from NICMOS Deep Field Observations

• Authors: Rodger I. Thompson, Daniel Eisenstein, Xiaohui Fan, Marcia Rieke, Robert C. Kennicutt

On in situ Determination of Earth Matter Density in Neutrino Factory

• Authors: Hisakazu Minakata, Shoichi Uchinami

Photoabsorption cross sections at superhigh energies of real photons

• Authors: E.V. Bugaev