Dark matter constraints from a joint analysis of dwarf Spheroidal galaxy observations with VERITAS

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dc.contributor.authorVERITAS Collaboration
dc.contributor.otherMcGill University
dc.contributor.otherWashington University (WUSTL)
dc.contributor.otherHarvard University
dc.contributor.otherSmithsonian Institution
dc.contributor.otherUniversity of California System
dc.contributor.otherUniversity of California Los Angeles
dc.contributor.otherIowa State University
dc.contributor.otherUnited States Department of Energy (DOE)
dc.contributor.otherArgonne National Laboratory
dc.contributor.otherCalifornia State University System
dc.contributor.otherCalifornia Polytechnic State University San Luis Obispo
dc.contributor.otherOllscoil na Gaillimhe-University of Galway
dc.contributor.otherPurdue University System
dc.contributor.otherPurdue University
dc.contributor.otherPurdue University West Lafayette Campus
dc.contributor.otherTsinghua University
dc.contributor.otherHelmholtz Association
dc.contributor.otherDeutsches Elektronen-Synchrotron (DESY)
dc.contributor.otherUniversity of Minnesota System
dc.contributor.otherUniversity of Minnesota Twin Cities
dc.contributor.otherCalifornia State University East Bay
dc.contributor.otherBrown University
dc.contributor.otherCarnegie Mellon University
dc.contributor.otherStevens Institute of Technology
dc.contributor.otherUniversity of Potsdam
dc.contributor.otherUniversity of California Santa Cruz
dc.contributor.otherUniversity of Delaware
dc.contributor.otherColumbia University
dc.contributor.otherUniversity of Iowa
dc.contributor.otherUtah System of Higher Education
dc.contributor.otherUniversity of Utah
dc.contributor.otherDePauw University
dc.contributor.otherUniversity College Dublin
dc.contributor.otherUniversity System of Georgia
dc.contributor.otherGeorgia Institute of Technology
dc.contributor.otherUniversity of Chicago
dc.contributor.otherCork Institute of Technology
dc.contributor.otherNational Aeronautics & Space Administration (NASA)
dc.contributor.otherNASA Goddard Space Flight Center
dc.contributor.otherUniversity System of Maryland
dc.contributor.otherUniversity of Maryland College Park
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.date.accessioned2019-06-26T14:42:56Z
dc.date.available2019-06-26T14:42:56Z
dc.date.issued2017-04-05
dc.description.abstractWe present constraints on the annihilation cross section of weakly interacting massive particles dark matter based on the joint statistical analysis of four dwarf galaxies with VERITAS. These results are derived from an optimized photon weighting statistical technique that improves on standard imaging atmospheric Cherenkov telescope (IACT) analyses by utilizing the spectral and spatial properties of individual photon events. We report on the results of similar to 230 hours of observations of five dwarf galaxies and the joint statistical analysis of four of the dwarf galaxies. We find no evidence of gamma-ray emission from any individual dwarf nor in the joint analysis. The derived upper limit on the dark matter annihilation cross section from the joint analysis is 1.35 x 10(-23) cm(3) s(-1) at 1 TeV for the bottom quark (b (b) over bar) final state, 2.85 x 10(-24) cm(3) s(-1) at 1 TeV for the tau lepton (tau+tau(-)) final state and 1.32 x 10-25 cm(3) s(-1) at 1 TeV for the gauge boson (gamma gamma) final state.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.citationArchambault, S., et al. (2017): Dark Matter Constraints from a Joint Analysis of Dwarf Spheroidal Galaxy Observations with VERITAS. Physical Review D, 95(8). DOI: https://doi.org/10.1103/PhysRevD.95.082001
dc.identifier.doi10.1103/PhysRevD.95.082001
dc.identifier.orcidhttps://orcid.org/0000-0002-6324-5772
dc.identifier.orcidhttps://orcid.org/0000-0002-8053-7910
dc.identifier.orcidhttps://orcid.org/0000-0003-3343-0755
dc.identifier.orcidhttps://orcid.org/0000-0002-2126-2419
dc.identifier.orcidhttps://orcid.org/0000-0001-7891-699X
dc.identifier.orcidhttps://orcid.org/0000-0001-7861-1707
dc.identifier.orcidhttps://orcid.org/0000-0002-5955-6383
dc.identifier.orcidhttps://orcid.org/0000-0003-1387-8915
dc.identifier.orcidhttps://orcid.org/0000-0002-4837-5253
dc.identifier.orcidhttps://orcid.org/0000-0002-2133-5251
dc.identifier.orcidhttps://orcid.org/0000-0001-7297-8217
dc.identifier.orcidhttps://orcid.org/0000-0002-4596-8563
dc.identifier.orcidhttps://orcid.org/0000-0003-2098-170X
dc.identifier.orcidhttps://orcid.org/0000-0003-4785-0101
dc.identifier.orcidhttps://orcid.org/0000-0002-0794-8780
dc.identifier.orcidhttps://orcid.org/0000-0002-1269-6047
dc.identifier.orcidhttps://orcid.org/0000-0001-7483-4348
dc.identifier.orcidhttps://orcid.org/0000-0003-4641-4201
dc.identifier.orcidhttps://orcid.org/0000-0002-4855-2694
dc.identifier.orcidhttps://orcid.org/0000-0002-1067-8558
dc.identifier.urihttp://ir.ua.edu/handle/123456789/5849
dc.languageEnglish
dc.language.isoen_US
dc.publisherAmerican Physical Society
dc.subjectPARTICLE
dc.subjectKINEMATICS
dc.subjectMODELS
dc.subjectAstronomy & Astrophysics
dc.subjectPhysics, Particles & Fields
dc.subjectPhysics
dc.titleDark matter constraints from a joint analysis of dwarf Spheroidal galaxy observations with VERITASen_US
dc.typetext
dc.typeArticle

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