today in particle astrophysics

tipa -- 9/21/2010

Helium Shell Detonations on Low Mass White Dwarfs as a Possible Explanation for SN 2005E

Authors: Roni Waldman, Daniel Sauer, Eli Livne, Hagai Perets, Ami Glasner, Paolo Mazzali, James W. Truran, Avishay Gal-Yam

Ultra-high energy nuclei source in the direction to Virgo cluster

Authors: Dmitri V.Semikoz

Effects of Velocity-Dependent Dark Matter Annihilation on the Energy Spectrum of the Extragalactic Gamma-ray Background

Authors: Sheldon Campbell, Bhaskar Dutta, Eiichiro Komatsu

Absolute Determination of the 22Na(p,g) Reaction Rate in Novae

Authors: A. L. Sallaska, C. Wrede, A. Garcia, D. W. Storm, T. A. D. Brown, C. Ruiz, K. A. Snover, D. F. Ottewell, L. Buchmann, C. Vockenhuber, D. A. Hutcheon, J. A. Caggiano, J. Jose

classic papers of the week -- 166

Breakdown of Predictability in Gravitational Collapse

S.W. Hawking (Department of Applied Mathematics and Theoretical Physics, University of Cambridge and California Institute of Technology)

On Relativistic Cosmogony

Gamow, G. (The George Washington University, Washington, D. C.)

Searching for Interstellar Communications

Cocconi, Giuseppe; Morrison, Philip (Cornell University, Ithaca, NY)

A. Chodos, R.L. Jaffe, K. Johnson, Charles B. Thorn, V.F. Weisskopf (Laboratory for Nuclear Science and Department of Physics, Massachusetts Institute of Technology)

Red giants and supergiants with degenerate neutron cores

Thorne, K. S. (California Institute of Technology); Zytkow, A. N. (Polska Akademia Nauk, Instytut Astronomiczny, Warsaw; University of Cambridge, England; California Institute of Technology)

A New Species of the Genus Homo From Olduvai Gorge

L. S. B. Leakey (Coryndon Museum, Centre for Prehistory and Paleontology), P. V. Tobias (University of Witwatersrand, Johannesburg), J. R. Napier (Unit of Primatology and Human Evolution, Royal Free Hospital Medical School)

tipa -- 9/10/2010

Update on the correlation of the highest energy cosmic rays with nearby extragalactic matter

Authors: The Pierre Auger Collaboration

Lower limit on the strength and filling factor of extragalactic magnetic fields

Authors: K.Dolag, M.Kachelriess, S.Ostapchenko, R.Tomas

A multi-wavelength study of the unidentified TeV gamma-ray source HESS J1626-490

Authors: P. Eger, G. Rowell, A. Kawamura, Y. Fukui, L. Rolland, C. Stegmann

MIPS 24 Micron Observations of the Hubble Deep Field South: Probing the IR-Radio Correlation of Galaxies at z > 1

Authors: M. T. Huynh, E. Gawiser, D. Marchesini, G. Brammer, L. Guaita

Shock acceleration of relativistic particles in galaxy-galaxy collisions

Authors: Ute Lisenfeld (1), Heinrich J. Voelk (2) ((1) Universidad de Granada (Spain), (2) Max-Planck-Institut fuer Kernphysik, Heidelberg (Germany))

Optical discovery of stellar tidal disruption flares

Authors: Sjoert van Velzen, Glennys R. Farrar, Suvi Gezari, Nidia Morrell, Dennis Zaritsky, Linda Ostman, Mathew Smith, Joseph Gelfand

The Star Formation Rate and Gas Surface Density Relation in the Milky Way: Implications for Extragalactic Studies

Authors: Amanda Heiderman, Neal J. Evans II, Lori E. Allen, Tracy Huard, Mark Heyer

Super-star clusters versus OB associations

Authors: Carsten Weidner, Ian A. Bonnell, Hans Zinnecker

Identifying the Host Galaxy of Gravitational Wave Signals

Authors: Laura K Nuttall, Patrick J Sutton

A New Measurement of the $\pi^0$ Radiative Decay Width

Authors: I. Larin, D. McNulty, E. Clinton, P. Ambrozewicz, D. Lawrence, I. Nakagawa, Y. Prok, A. Teymurazyan, A. Ahmidouch, A. Asratyan, K. Baker, L. Benton, A. M. Bernstein, V. Burkert, P. Cole, P. Collins, D. Dale, S. Danagoulian, G. Davidenko, R. Demirchyan, A. Deur, A. Dolgolenko, G. Dzyubenko, R. Ent, A. Evdokimov, J. Feng, M. Gabrielyan, L. Gan, A. Gasparian, S. Gevorkyan, A. Glamazdin, V. Goryachev, V. Gyurjyan, K. Hardy, J. He, M. Ito, L. Jiang, D. Kashy, M. Khandaker, P. Kingsberry, A. Kolarkar, M. Konchatnyi, A. Korchin, W. Korsch, S. Kowalski, M. Kubantsev, V. Kubarovsky, X. Li, P. Martel, V. Matveev, B. Mecking, B. Milbrath, R. Minehart, R. Miskimen, V. Mochalov, S. Mtingwa, S. Overby, E. Pasyuk, M. Payen, R. Pedroni, B. Ritchie, T. E. Rodrigues, C. Salgado, A. Shahinyan, A. Sitnikov, D. Sober, S. Stepanyan, W. Stephens, J. Underwood, A. Vasiliev, V. Vishnyakov, M. Wood, S. Zhou

tipa -- 9/9/2010

Precursors of short gamma-ray bursts

Authors: Eleonora Troja, Stephan Rosswog, Neil Gehrels

Cosmic Ray-Dominated AGN Jets and the Formation of X-ray Cavities in Galaxy Clusters

Authors: Fulai Guo, William G. Mathews (UC Santa Cruz)

The High-Density Ionized Gas in the Central Parsec of the Galaxy

Authors: Jun-Hui Zhao, Ray Blundell, James M. Moran, Dennis Downes, Karl F. Schuster, Daniel P. Marrone

The first search for extremely-high energy cosmogenic neutrinos with the IceCube Neutrino Observatory

Authors: IceCube Collaboration

The Role of Radioactivities in Astrophysics

Authors: Donald Clayton

tipa -- 9/8/2010

Cosmogenic Neutrinos: parameter space and detectabilty from PeV to ZeV

Authors: Kumiko Kotera, Denis Allard, Angela V. Olinto

The Stellar Ages and Masses of Short GRB Host Galaxies: Investigating the Progenitor Delay Time Distribution and the Role of Mass and Star Formation in the Short GRB Rate

Authors: C. N. Leibler, E. Berger (Harvard)

TeV Electron Spectrum for Probing Cosmic-Ray Escape

Authors: Norita Kawanaka, Kunihito Ioka, Yutaka Ohira, Kazumi Kashiyama

tipa -- 9/7/2010

The Atacama Cosmology Telescope: A Measurement of the Cosmic Microwave Background Power Spectrum at 148 and 218 GHz from the 2008 Southern Survey

Authors: Sudeep Das, Tobias A. Marriage, Peter A. R. Ade, Paula Aguirre, Mandana Amir, John W. Appel, L. Felipe Barrientos, Elia S. Battistelli, J. Richard Bond, Ben Brown, Bryce Burger, Jay Chervenak, 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, Kevin M. Huffenberger, David H. Hughes, John P. Hughes, Leopoldo Infante, Kent D. Irwin, Jean Baptiste Juin, Madhuri Kaul, Jeff Klein, Arthur Kosowsky, Judy M Lau, Michele Limon, Yen-Ting Lin, Robert H. Lupton, 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, Neelima Sehgal, Blake D. Sherwin, Jon Sievers, David N. Spergel, Suzanne T. Staggs, Daniel S. Swetz, Eric R. Switzer, Robert Thornton, Hy Trac, Carole Tucker, Ryan Warne, Ed Wollack, Yue Zhao

The Atacama Cosmology Telescope: Cosmological Parameters from the 2008 Power Spectra

Authors: J. Dunkley, R. Hlozek, J. Sievers, V. Acquaviva, P. A. R. Ade, P. Aguirre, M. Amiri, J. W. Appel, L. F. Barrientos, E. S. Battistelli, J. R. Bond, B. Brown, B. Burger, J. Chervenak, S. Das, M. J. Devlin, S. R. Dicker, W. Bertrand Doriese, R. Dunner, T. Essinger-Hileman, R. P. Fisher, J. W. Fowler, A. Hajian, M. Halpern, M. Hasselfield, C. Hernandez-Monteagudo, G. C. Hilton, M. Hilton, A. D. Hincks, K. M. Huffenberger, D. H. Hughes, J. P. Hughes, L. Infante, K. D. Irwin, J. B. Juin, M. Kaul, J. Klein, A. Kosowsky, J. M Lau, M. Limon, Y-T. Lin, R. H. Lupton, T. A. Marriage, D. Marsden, P. Mauskopf, F. Menanteau, K. Moodley, H. Moseley, C. B Netterfield, M. D. Niemack, M. R. Nolta, L. A. Page, L. Parker, B. Partridge, B. Reid, N. Sehgal, B. Sherwin, D. N. Spergel, S. T. Staggs, D. S. Swetz, E. R. Switzer, R. Thornton, H. Trac, C. Tucker, R. Warne, E. Wollack, Y. Zhao

Dependence of direct detection signals on the WIMP velocity distribution

Authors: Anne M. Green

Rapidly Decaying Supernova 2010X: A Candidate ".Ia" Explosion

Authors: Mansi M. Kasliwal (1), S. R. Kulkarni (1), Avishay Gal-Yam (2), Ofer Yaron (2), Robert M. Quimby (1), Eran O. Ofek (1), Peter Nugent (3), Dovi Poznanski (3,12), Janet Jacobsen (3), Assaf Sternberg (2), Iair Arcavi (2), D. Andrew Howell (4,16), Mark Sullivan (5), Douglas J Rich (6), Paul F Burke (7), Joseph Brimacombe MB ChB FRCA MD (8,9), Dan Milisavljevic (10), Robert Fesen (10), Lars Bildsten (11,16), Ken Shen (12), S. Bradley Cenko (12), Joshua S. Bloom (12), Eric Hsiao (3), Nicholas M. Law (13), Neil Gehrels (14), Stefan Immler (14), Richard Dekany (15), Gustavo Rahmer (15), David Hale (15), Roger Smith (15), Jeff Zolkower (15), Viswa Velur (15), Richard Walters (15), John Henning (15), Kahnh Bui (15), Dan McKenna (15), ((1) CIT (2) WIS (3) LBNL (4) LCOGT (5) Oxford (6) Rich Observatory (7) Burke Observatory (8) New Mexico Skies Observatory (9) James Cook University (10) Dartmouth (11) KITP/UCSB (12) UCB (13) UToronto (14) NASA-GSFC (15) COO/CIT (16) Physics/UCSB)

Electron-capture supernovae as the origin of elements beyond iron

Authors: Shinya Wanajo, Hans-Thomas Janka, Bernhard Mueller

Evolution of Dust Temperature of Galaxies through Cosmic Time as seen by Herschel

Authors: H.S. Hwang, D. Elbaz, G. E. Magdis, E. Daddi, M. Symeonidis, B. Altieri, A. Amblard, P. Andreani, V. Arumugam, R. Auld, H. Aussel, T. Babbedge, S. Berta, A. Blain, J. Bock, A. Bongiovanni, A. Boselli, V. Buat, D. Burgarella, N. Castro-Rodriguez, A. Cava, J. Cepa, P. Chanial, E. Chapin, R.-R. Chary, A. Cimatti, D.L. Clements, A. Conley, L. Conversi, A. Cooray, H. Dannerbauer, M. Dickinson, H. Dominguez, C.D. Dowell, J.S. Dunlop, E. Dwek, S. Eales, D. Farrah, N. Forster Schreiber, M. Fox, A. Franceschini, W. Gear, R. Genzel, J. Glenn, M. Griffin, C. Gruppioni, M. Halpern, E. Hatziminaoglou, E. Ibar, K. Isaak, R.J. Ivison, W.-S. Jeong, G. Lagache, D. Le Borgne, E. Le Floc'h, H.M. Lee, J.C. Lee, M.G. Lee, L. Levenson, N. Lu, D. Lutz, S. Madden, B. Maffei, B. Magnelli, G. Mainetti, R. Maiolino, L. Marchetti, A.M.J. Mortier, H.T. Nguyen, R. Nordon, B. O'Halloran, K. Okumura, S.J. Oliver, A. Omont, M.J. Page, P. Panuzzo, A. Papageorgiou, C.P. Pearson, I. Perez-Fournon, A.M. Perez Garcia, A. Poglitsch, M. Pohlen, P. Popesso, F. Pozzi, J.I. Rawlings, D. Rigopoulou, L. Riguccini, D. Rizzo, G. Rodighiero, I.G. Roseboom, M. Rowan-Robinson, A. Saintonge, M. Sanchez Portal, P. Santini, M. Sauvage, B. Schulz, Douglas Scott, N. Seymour, L. Shao, D.L. Shupe, A.J. Smith, J.A. Stevens, E. Sturm, L. Tacconi, M. Trichas, K.E. Tugwell, M. Vaccari, I. Valtchanov, J.D. Vieira, L. Vigroux, L.Wang, R. Ward, G. Wright, C.K. Xu, M. Zemcov

tipa -- 9/6/2010

A multi-wavelength study of Supernova Remnants in six nearby galaxies. I: Detection of new X-ray selected Supernova Remnants with Chandra

Authors: Ioanna Leonidaki (1,2), Andreas Zezas (3,4,5), Panayotis Boumis (1) ((1) Institute of Astronomy & Astrophysics, National Observatory of Athens, Greece, (2) Astronomical Laboratory, Department of Physics, University of Patras, Greece, (3) Harvard-Smithsonian Center for Astrophysics, USA, (4) Physics Department, University of Crete, Greece, (5) IESL/FORTH, Greece)

Magnetic Field Configuration at the Galactic Center Investigated by Wide Field Near-Infrared Polarimetry: Transition from a Toroidal to a Poloidal Magnetic Field

Authors: Shogo Nishiyama, Hirofumi Hatano, Motohide Tamura, Noriyuki Matsunaga, Tatsuhito Yoshikawa, Takuya Suenaga, James H. Hough, Koji Sugitani, Takahiro Nagayama, Daisuke Kato, Tetsuya Nagata

Discovery of Double Ring Nebulae Around Twin Wolf-Rayet Stars

Authors: Jon Mauerhan, Stefanie Wachter, Pat Morris, Schuyler Van Dyk, D. W. Hoard

classic papers of the week -- 164

Gravitational Field of a Spinning Mass as an Example of Algebraically Special Metrics

Kerr, Roy P. (University of Texas, Austin; Aerospace Research Laboratories, Wright-Patterson Air Force Base, Ohio)

Measurement of the anomalous magnetic moment of the muon

Georges Charpak, F.J.M. Farley, R.L. Garwin, T. Muller, J.C. Sens, V.L. Telegdi, A. Zichichi (CERN, Geneva, Switzerland)

My Observations During the Explosion at Trinity on July 16, 1945

E. Fermi

tipa -- 9/3/2010

Nuclear weak interaction rates in primordial nucleosynthesis

Authors: George M. Fuller, Christel J. Smith

Steady X-Ray Synchrotron Emission in the Northeastern Limb of SN 1006

Authors: Satoru Katsuda (1), Robert Petre (1), Koji Mori (2), Stephen P. Reynolds (3), Knox S. Long (4), P. Frank Winkler (5), Hiroshi Tsunemi (6) ((1) NASA/GSFC, (2) Miyazaki University, (3) North Carolina State University, (4) Space Telescope Science Institute, (5) Middlebury College, (6) Osaka University)

The Cosmic Far-Infrared Background Buildup Since Redshift 2 at 70 and 160 microns in the COSMOS and GOODS fields