Journal Article

PUBDB-2025-01215

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Indirect search for dark matter with a combined analysis of dwarf spheroidal galaxies from VERITAS

Acharyya, A. ; Adams, C. B. ; Bangale, P. ; Bartkoske, J. T. ; Batista, P. ; Benbow, W. ; Christiansen, J. L. ; Chromey, A. J. ; Duerr, A. ; Errando, M. ; Falcone, A. ; Feng, Q. ; Foote, G. M. ; Fortson, L. ; Furniss, A. ; Hanlon, W. ; Hanna, D. ; Hervet, O. ; Hinrichs, C. E. ; Holder, J. ; Humensky, T. B. ; Jin, W. ; Johnson, M. N. ; Kaaret, P. ; Kertzman, M. ; Kieda, D. ; Kleiner, T. K.DESY* ; Korzoun, N.Extern* ; Kumar, S. ; Lang, M. J. ; Lundy, M. ; Maier, G. ; McGrath, C. E. (Corresponding author) ; Millard, M. J. ; Mooney, C. L. ; Moriarty, P. ; Mukherjee, R. ; Ning, W. ; O’Brien, S. ; Ong, R. A. ; Park, N. ; Pohl, M. ; Pueschel, E. ; Quinn, J. ; Rabinowitz, P. L. ; Ragan, K. ; Reynolds, P. T. ; Ribeiro, D. ; Roache, E. ; Ryan, J. L. ; Sadeh, I.DESY* ; Saha, L. ; Sembroski, G. H. ; Shang, R. ; Splettstoesser, M. ; Tak, D. ; Talluri, A. K. ; Tucci, J. V. ; Vassiliev, V. V. ; Weinstein, A. ; Williams, D. A. ; Wong, S. L.

2024
American Physical Society Ridge, NY

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Please use a persistent id in citations: doi:10.1103/PhysRevD.110.063034  doi:10.3204/PUBDB-2025-01215

Report No.: arXiv:2407.16518

Abstract: Understanding the nature and identity of dark matter is a key goal in the physics community. In the case that TeV-scale dark matter particles decay or annihilate into Standard Model particles, very-high-energy (VHE) gamma rays (greater than 100 GeV) will be present in the final state. The Very Energetic Radiation Imaging Telescope Array System (VERITAS) is an imaging atmospheric Cherenkov telescope array that can indirectly detect VHE gamma rays in an energy range of 100 GeV to >30 TeV. Dwarf spheroidal galaxies (dSphs) are ideal candidates in the search for dark matter due to their high dark matter content, high mass-to-light ratios, and their low gamma-ray fluxes from astrophysical processes. This study uses a legacy dataset of 638 h collected on 17 dSphs, built over 11 years with an observing strategy optimized according to the dark matter content of the targets. The study addresses a broad dark matter particle mass range, extending from 200 GeV to 30 PeV. In the absence of a detection, we set the upper limits on the dark matter velocity-weighted annihilation cross section.

Note: 18 pages, 7 figures, 3 tables, accepted in PRD

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Contributing Institute(s):

1. Cherenkov Telescope Array (Z_CTA)

Research Program(s):

1. 613 - Matter and Radiation from the Universe (POF4-613) (POF4-613)

Experiment(s):

1. Very Energetic Radiation Imaging Telescope Array System

Appears in the scientific report 2024

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Database coverage:
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Linked articles:

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Preprint Acharyya, A. ; Adams, C. B. ; Bangale, P. ; et al
Indirect search for dark matter with a combined analysis of dwarf spheroidal galaxies from VERITAS
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