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21 papers · 1 filter
Multi-year search for dark matter annihilations in the Sun with the AMANDA-II and IceCube detectors
IceCube Collaboration, R. Abbasi, Y. Abdou +258
A search for an excess of muon-neutrinos from dark matter annihilations in the Sun has been performed with the AMANDA-II neutrino telescope using data collected in 812 days of live…
Searching for soft relativistic jets in Core-collapse Supernovae with the IceCube Optical Follow-up Program
The IceCube Collaboration, R. Abbasi, Y. Abdou +262
Context. Transient neutrino sources such as Gamma-Ray Bursts (GRBs) and Supernovae (SNe) are hypothesized to emit bursts of high-energy neutrinos on a time-scale of \lesssim 100 s.…
Antideuteron and deuteron production in mid-central Pb+Pb collisions at 158 GeV
Tome Anticic, NA49 collaboration
Production of deuterons and antideuterons was studied by the NA49 experiment in the 23.5% most central Pb+Pb collisions at the top SPS energy of =17.3 GeV. Invariant…
The Hubble Space Telescope Cluster Supernova Survey: VI. The Volumetric Type Ia Supernova Rate
K. Barbary, G. Aldering, R. Amanullah +40
We present a measurement of the volumetric Type Ia supernova (SN Ia) rate out to z ~ 1.6 from the Hubble Space Telescope Cluster Supernova Survey. In observations spanning 189 orbi…
IceCube Sensitivity for Low-Energy Neutrinos from Nearby Supernovae
IceCube Collaboration, R. Abbasi, Y. Abdou +262
This paper describes the response of the IceCube neutrino telescope located at the geographic South Pole to outbursts of MeV neutrinos from the core collapse of nearby massive star…
Type Ia Supernova Carbon Footprints
R. C. Thomas, G. Aldering, P. Antilogus +32
We present convincing evidence of unburned carbon at photospheric velocities in new observations of 5 Type Ia supernovae (SNe Ia) obtained by the Nearby Supernova Factory. These SN…
Observation of an Anisotropy in the Galactic Cosmic Ray arrival direction at 400 TeV with IceCube
IceCube Collaboration, R. Abbasi, Y. Abdou +258
In this paper we report the first observation in the Southern hemisphere of an energy dependence in the Galactic cosmic ray anisotropy up to a few hundred TeV. This measurement was…
Neutrino analysis of the September 2010 Crab Nebula flare and time-integrated constraints on neutrino emission from the Crab using IceCube
IceCube Collaboration, R. Abbasi, Y. Abdou +266
We present the results for a search of high-energy muon neutrinos with the IceCube detector in coincidence with the Crab nebula flare reported on September 2010 by various experime…
and production in central Pb+Pb, Si+Si, C+C and inelastic p+p collisions at 158~GeV
NA49 collaboration, Tome Anticic
Production of the and resonances was studied via their and decay modes in central Pb+Pb, Si+Si, C+C and inelastic p+p…
The Hubble Space Telescope Cluster Supernova Survey: V. Improving the Dark Energy Constraints Above z>1 and Building an Early-Type-Hosted Supernova Sample
N. Suzuki, D. Rubin, C. Lidman +62
We present ACS, NICMOS, and Keck AO-assisted photometry of 20 Type Ia supernovae SNe Ia from the HST Cluster Supernova Survey. The SNe Ia were discovered over the redshift interval…
Observation of Anisotropy in the Arrival Directions of Galactic Cosmic Rays at Multiple Angular Scales with IceCube
IceCube Collaboration, R. Abbasi, Y. Abdou +266
Between May 2009 and May 2010, the IceCube neutrino detector at the South Pole recorded 32 billion muons generated in air showers produced by cosmic rays with a median energy of 20…
A Search for a Diffuse Flux of Astrophysical Muon Neutrinos with the IceCube 40-String Detector
IceCube Collaboration, R. Abbasi, Y. Abdou +261
The IceCube Neutrino Observatory is a 1 km detector currently taking data at the South Pole. One of the main strategies used to look for astrophysical neutrinos with IceCube…
Time-Dependent Searches for Point Sources of Neutrinos with the 40-String and 22-String Configurations of IceCube
The IceCube Collaboration, R. Abbasi, Y. Abdou +262
This paper presents searches for flaring sources of neutrinos using the IceCube neutrino telescope. For the first time, a search is performed over the entire parameter space of ene…
The reddening law of Type Ia Supernovae: separating intrinsic variability from dust using equivalent widths
N. Chotard, E. Gangler, G. Aldering +28
We employ 76 type Ia supernovae with optical spectrophotometry within 2.5 days of B-band maximum light obtained by the Nearby Supernova Factory to derive the impact of Si and Ca fe…
Keck Observations of the Young Metal-Poor Host Galaxy of the Super-Chandrasekhar-Mass Type Ia Supernova SN 2007if
M. Childress, G. Aldering, C. Aragon +28
We present Keck LRIS spectroscopy and -band photometry of the metal-poor, low-luminosity host galaxy of the super-Chandrasekhar mass Type Ia supernova SN 2007if. Deep imaging of…
Constraints on the Extremely-high Energy Cosmic Neutrino Flux with the IceCube 2008-2009 Data
IceCube Collaboration, R. Abbasi, Y. Abdou +261
We report on a search for extremely-high energy neutrinos with energies greater than GeV using the data taken with the IceCube detector at the South Pole. The data was colle…
Background studies for acoustic neutrino detection at the South Pole
The IceCube Collaboration, R. Abbasi, Y. Abdou +262
The detection of acoustic signals from ultra-high energy neutrino interactions is a promising method to measure the tiny flux of cosmogenic neutrinos expected on Earth. The energy…
Constraints on high-energy neutrino emission from SN 2008D
IceCube Collaboration, R. Abbasi, Y. Abdou +259
SN 2008D, a core collapse supernova at a distance of 27 Mpc, was serendipitously discovered by the Swift satellite through an associated X-ray flash. Core collapse supernovae have…
Search for Dark Matter from the Galactic Halo with the IceCube Neutrino Observatory
IceCube Collaboration, R. Abbasi, Y. Abdou +262
Self-annihilating or decaying dark matter in the Galactic halo might produce high energy neutrinos detectable with neutrino telescopes. We have conducted a search for such a signal…
First search for atmospheric and extraterrestrial neutrino-induced cascades with the IceCube detector
IceCube Collaboration, R. Abbasi, Y. Abdou +264
We report on the first search for atmospheric and for diffuse astrophysical neutrino-induced showers (cascades) in the IceCube detector using 257 days of data collected in the year…
Limits on Neutrino Emission from Gamma-Ray Bursts with the 40 String IceCube Detector
IceCube Collaboration, R. Abbasi, Y. Abdou +262
IceCube has become the first neutrino telescope with a sensitivity below the TeV neutrino flux predicted from gamma-ray bursts if GRBs are responsible for the observed cosmic-ray f…