Home > Publications database > Search for Ultraheavy Dark Matter from Observations of Dwarf Spheroidal Galaxies with VERITAS > print

001     490354
005     20250715172921.0
024 7 _ |a 10.3847/1538-4357/acbc7b
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024 7 _ |a 0004-637X
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024 7 _ |a 1538-4357
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024 7 _ |a 10.3204/PUBDB-2022-07671
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024 7 _ |a arXiv:2302.08784
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082 _ _ |a 520
088 _ _ |a arXiv:2302.08784
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100 1 _ |a Acharyya, A.
|b 0
245 _ _ |a Search for Ultraheavy Dark Matter from Observations of Dwarf Spheroidal Galaxies with VERITAS
260 _ _ |a London
|c 2023
|b Institute of Physics Publ.
336 7 _ |a article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a Journal Article
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500 _ _ |a 10 pages, 7 figures
520 _ _ |a Dark matter is a key piece of the current cosmological scenario, with weakly interacting massive particles (WIMPs) a leading dark matter candidate. WIMPs have not been detected in their conventional parameter space (100 GeV ≲M $_{χ}$ ≲ 100 TeV), a mass range accessible with current Imaging Atmospheric Cherenkov Telescopes. As ultraheavy dark matter (UHDM; M $_{χ}$ ≳ 100 TeV) has been suggested as an underexplored alternative to the WIMP paradigm, we search for an indirect dark matter annihilation signal in a higher mass range (up to 30 PeV) with the VERITAS γ-ray observatory. With 216 hr of observations of four dwarf spheroidal galaxies, we perform an unbinned likelihood analysis. We find no evidence of a γ-ray signal from UHDM annihilation above the background fluctuation for any individual dwarf galaxy nor for a joint-fit analysis, and consequently constrain the velocity-weighted annihilation cross section of UHDM for dark matter particle masses between 1 TeV and 30 PeV. We additionally set constraints on the allowed radius of a composite UHDM particle.
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588 _ _ |a Dataset connected to CrossRef, Journals: bib-pubdb1.desy.de
650 _ 7 |a dark matter: annihilation
|2 INSPIRE
650 _ 7 |a dark matter: mass
|2 INSPIRE
650 _ 7 |a background: fluctuation
|2 INSPIRE
650 _ 7 |a WIMP
|2 INSPIRE
650 _ 7 |a galaxy
|2 INSPIRE
650 _ 7 |a TeV
|2 INSPIRE
650 _ 7 |a VERITAS
|2 INSPIRE
650 _ 7 |a observatory
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650 _ 7 |a GeV
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650 _ 7 |a composite
|2 INSPIRE
650 _ 7 |a Cherenkov counter
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650 _ 7 |a imaging
|2 INSPIRE
650 _ 7 |a gamma ray: VHE
|2 INSPIRE
693 _ _ |0 EXP:(DE-H253)VERITAS-20170101
|5 EXP:(DE-H253)VERITAS-20170101
|e Very Energetic Radiation Imaging Telescope Array System
|x 0
700 1 _ |a Archer, A.
|b 1
700 1 _ |a Bangale, P.
|b 2
700 1 _ |a Bartkoske, J. T.
|b 3
700 1 _ |a Batista, P.
|0 0000-0001-8138-1391
|b 4
700 1 _ |a Baumgart, M.
|b 5
700 1 _ |a Benbow, W.
|0 0000-0003-2098-170X
|b 6
700 1 _ |a Buckley, J. H.
|b 7
700 1 _ |a Falcone, A.
|0 0000-0002-5068-7344
|b 8
700 1 _ |a Feng, Q.
|b 9
700 1 _ |a Finley, J. P.
|b 10
700 1 _ |a Foote, G. M.
|0 0000-0002-2944-6060
|b 11
700 1 _ |a Fortson, L.
|0 0000-0002-1067-8558
|b 12
700 1 _ |a Furniss, A.
|0 0000-0003-1614-1273
|b 13
700 1 _ |a Gallagher, G.
|b 14
700 1 _ |a Hanlon, W. F.
|0 0000-0002-0109-4737
|b 15
700 1 _ |a Hervet, O.
|0 0000-0003-3878-1677
|b 16
700 1 _ |a Hoang, J.
|b 17
700 1 _ |a Holder, J.
|b 18
700 1 _ |a Humensky, T. B.
|b 19
700 1 _ |a Jin, W.
|b 20
700 1 _ |a Kaaret, P.
|0 0000-0002-3638-0637
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700 1 _ |a Kertzman, M.
|b 22
700 1 _ |a Kherlakian, M.
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700 1 _ |a Kieda, D.
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700 1 _ |a Kleiner, Tobias Kai
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700 1 _ |a Korzoun, N.
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700 1 _ |a Krennrich, F.
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700 1 _ |a Lang, M. J.
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700 1 _ |a Lundy, M.
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700 1 _ |a Maier, G.
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700 1 _ |a McGrath, C. E.
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700 1 _ |a Moriarty, P.
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700 1 _ |a O'Brien, S.
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700 1 _ |a Ong, R. A.
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700 1 _ |a Pfrang, Konstantin Johannes
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700 1 _ |a Pohl, M.
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700 1 _ |a Pueschel, E.
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700 1 _ |a Quinn, J.
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700 1 _ |a Ragan, K.
|0 0000-0002-5351-3323
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700 1 _ |a Reynolds, P. T.
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700 1 _ |a Roache, E.
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700 1 _ |a Rodd, N. L.
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700 1 _ |a Ryan, J. L.
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700 1 _ |a Sadeh, I.
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700 1 _ |a Saha, L.
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700 1 _ |a Santander, M.
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700 1 _ |a Sembroski, G. H.
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700 1 _ |a Shang, R.
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700 1 _ |a Splettstoesser, M.
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700 1 _ |a Tak, Donggeun
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700 1 _ |a Tucci, J. V.
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700 1 _ |a Vassiliev, V. V.
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700 1 _ |a Williams, D. A.
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773 _ _ |a 10.3847/1538-4357/acbc7b
|g Vol. 945, no. 2, p. 101 -
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787 0 _ |a Tak, Donggeun et.al.
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|r arXiv:2302.08784
|t Search for Ultraheavy Dark Matter from Observations of Dwarf Spheroidal Galaxies with VERITAS
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