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18 papers · 2 filters
Preliminary Limits on the WIMP-Nucleon Cross Section from the Cryogenic Dark Matter Search (CDMS)
DS Akerib, PD Barnes, DA Bauer +28
We are conducting an experiment to search for WIMPs, or weakly-interacting massive particles, in the galactic halo using terrestrial detectors. This generic class of hypothetical p…
Multiwavelength Observations of a Dramatic High Energy Flare in the Blazar 3C 279
A. E. Wehrle, E. Pian, C. M. Urry +3
The blazar 3C 279, one of the brightest identified extragalactic objects in the gamma-ray sky, underwent a flare of a factor 10 amplitude in gamma-rays towards the end of a 3-week…
Distribution of Fluences versus Peak Fluxes and the Cosmological Density Evolution of the Rate of GRBs
Vahe' Petrosian, Nicole M. Lloyd-Ronning
We argue that recent observations of afterglows and some theoretical considerations indicate that the gamma-ray fluence may be a better measure of strength of a burst than its peak…
The Extent of the Spectral Bias in BATSE: The True Distribution of the nu F_nu Peak Energy
Nicole M. Lloyd-Ronning, Vahe' Petrosian
The distributions of spectral characteristics and their correlations with fluence, peak flux, or duration, are essential in understanding the nature of GRBs. However, the selection…
The art of fitting p-mode spectra: Part II. Leakage and noise covariance matrices
T. Appourchaux, M. C. Rabello-Soares, L. Gizon
In Part I we have developed a theory for fitting p-mode Fourier spectra assuming that these spectra have a multi-normal distribution. We showed, using Monte-Carlo simulations, how…
The art of fitting p-mode spectra: Part I. Maximum Likelihood Estimation
T. Appourchaux, L. Gizon, M. C. Rabello-Soares
In this article we present our state of the art of fitting helioseismic p-mode spectra. We give a step by step recipe for fitting the spectra: statistics of the spectra both for sp…