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Progress Toward Reproducing the GeV Galactic Center Excess Using CALET Data

Year: 2025

Type: article

Abstract: The Calorimetric Electron Telescope (CALET) currently has more than nine years of high-energy ??-ray data that has not been fully explored. A region of particular interest for ??-ray astronomy is the Galactic Center (GC). Analysis of Fermi Large Area Telescope (LAT) data shows an excess of GeV ?? rays from the GC region that could possibly be explained by the annihilation of weakly interacting massive particles (WIMPs) or an unresolved population of millisecond pulsars. Here we present the analysis of the Crab and Geminga using FermiPy and progress toward analysis of the Galactic Center using CALET data.

Source: Maryland Shared Open Access Repository (USMAI Consortium)

DOI: 10.13016/m2l9pk-tksb

Authors: Coleman, Audrey, Zober, Wolfgang V., Negro, Michela, Cannady, Nicholas, Rauch, Brian, Hams, Thomas, CALET collaboration, et al.

Language: English

Topic: Astrophysics and Cosmic Phenomena

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W7102526531

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