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The sharpness of gamma-ray burst prompt emission spectra
Hoi-Fung Yu, Hendrik J. van Eerten, Jochen Greiner +5
We aim to obtain a measure of the curvature of time-resolved spectra that can be compared directly to theory. This tests the ability of models such as synchrotron emission to expla…
Classification of Fermi Gamma-RAY Bursts
I. Horvath, L. G. Balázs, J. Hakkila +2
The Fermi GBM Catalog has been recently published. Previous classification analyses of the BATSE, RHESSI, BeppoSAX, and Swift databases found three types of gamma-ray bursts. Now w…
Improved Limits on Sterile Neutrino Dark Matter using Full-Sky Fermi Gamma-Ray Burst Monitor Data
Kenny C. Y. Ng, Shunsaku Horiuchi, Jennifer M. Gaskins +2
A sterile neutrino of ~keV mass is a well motivated dark matter candidate. Its decay generates an X-ray line that offers a unique target for X-ray telescopes. For the first time, w…
Improved limits on sterile neutrino dark matter from full-sky observations by the Fermi-GBM
Shunsaku Horiuchi, Kenny C. Y. Ng, Jennifer M. Gaskins +2
For the first time, we use the Gamma-ray Burst Monitor (GBM) on-board the Fermi satellite to search for sterile neutrino decay lines in the energy range 10-25 keV corresponding to…