Search for very high energy gamma rays from WIMP annihilations near the Sun with the Milagro detector

R. Atkins, W. Benbow, D. Berley, E. Blaufuss, J. Bussons, D. G. Coyne, T. DeYoung, B. L. Dingus, D. E. Dorfan, R. W. Ellsworth, L. Fleysher, R. Fleysher, G. Gisler, M. M. Gonzalez, J. A. Goodman, T. J. Haines, E. Hays, C. M. Hoffman, L. A. Kelley, C. P. LansdellJ. T. Linnemann, J. E. McEnery, R. S. Miller, A. I. Mincer, M. F. Morales, P. Nemethy, D. Noyes, J. M. Ryan, F. W. Samuelson, A. Shoup, G. Sinnis, A. J. Smith, G. W. Sullivan, D. A. Williams, S. Westerhoff, M. E. Wilson, X. W. Xu, G. B. Yodh

    Research output: Contribution to journalArticle

    Abstract

    The neutralino, the lightest stable supersymmetric particle, is a strong theoretical candidate for the missing astronomical "dark matter". A profusion of such neutralinos can accumulate near the Sun when they lose energy upon scattering and are gravitationally captured. Pair-annihilations of those neutralinos may produce very high-energy (VHE, above 100 GeV) gamma rays. Milagro is an air shower array which uses the water Cherenkov technique to detect extensive-air showers and is capable of observing VHE gamma rays from the direction of the Sun with an angular resolution of 0.75°. Analysis of Milagro data with an exposure to the Sun of 1165 hours presents the first attempt to detect TeV gamma rays produced by annihilating neutralinos captured by the Solar system and shows no statistically significant signal. Resulting limits that can be set on the gamma-ray flux due to near-Solar neutralino annihilations and on the neutralino cross-section are presented.

    Original languageEnglish (US)
    Article number083516
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Volume70
    Issue number8
    DOIs
    StatePublished - 2004

    Fingerprint

    weakly interacting massive particles
    Gamma Rays
    Annihilation
    Sun
    High Energy
    sun
    Detector
    gamma rays
    detectors
    cosmic ray showers
    Extensive Air Showers
    energy
    Dark Matter
    Accumulate
    angular resolution
    solar system
    dark matter
    Cross section
    Scattering
    Water

    ASJC Scopus subject areas

    • Physics and Astronomy(all)
    • Nuclear and High Energy Physics
    • Mathematical Physics

    Cite this

    Search for very high energy gamma rays from WIMP annihilations near the Sun with the Milagro detector. / Atkins, R.; Benbow, W.; Berley, D.; Blaufuss, E.; Bussons, J.; Coyne, D. G.; DeYoung, T.; Dingus, B. L.; Dorfan, D. E.; Ellsworth, R. W.; Fleysher, L.; Fleysher, R.; Gisler, G.; Gonzalez, M. M.; Goodman, J. A.; Haines, T. J.; Hays, E.; Hoffman, C. M.; Kelley, L. A.; Lansdell, C. P.; Linnemann, J. T.; McEnery, J. E.; Miller, R. S.; Mincer, A. I.; Morales, M. F.; Nemethy, P.; Noyes, D.; Ryan, J. M.; Samuelson, F. W.; Shoup, A.; Sinnis, G.; Smith, A. J.; Sullivan, G. W.; Williams, D. A.; Westerhoff, S.; Wilson, M. E.; Xu, X. W.; Yodh, G. B.

    In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 70, No. 8, 083516, 2004.

    Research output: Contribution to journalArticle

    Atkins, R, Benbow, W, Berley, D, Blaufuss, E, Bussons, J, Coyne, DG, DeYoung, T, Dingus, BL, Dorfan, DE, Ellsworth, RW, Fleysher, L, Fleysher, R, Gisler, G, Gonzalez, MM, Goodman, JA, Haines, TJ, Hays, E, Hoffman, CM, Kelley, LA, Lansdell, CP, Linnemann, JT, McEnery, JE, Miller, RS, Mincer, AI, Morales, MF, Nemethy, P, Noyes, D, Ryan, JM, Samuelson, FW, Shoup, A, Sinnis, G, Smith, AJ, Sullivan, GW, Williams, DA, Westerhoff, S, Wilson, ME, Xu, XW & Yodh, GB 2004, 'Search for very high energy gamma rays from WIMP annihilations near the Sun with the Milagro detector', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 70, no. 8, 083516. https://doi.org/10.1103/PhysRevD.70.083516
    Atkins, R. ; Benbow, W. ; Berley, D. ; Blaufuss, E. ; Bussons, J. ; Coyne, D. G. ; DeYoung, T. ; Dingus, B. L. ; Dorfan, D. E. ; Ellsworth, R. W. ; Fleysher, L. ; Fleysher, R. ; Gisler, G. ; Gonzalez, M. M. ; Goodman, J. A. ; Haines, T. J. ; Hays, E. ; Hoffman, C. M. ; Kelley, L. A. ; Lansdell, C. P. ; Linnemann, J. T. ; McEnery, J. E. ; Miller, R. S. ; Mincer, A. I. ; Morales, M. F. ; Nemethy, P. ; Noyes, D. ; Ryan, J. M. ; Samuelson, F. W. ; Shoup, A. ; Sinnis, G. ; Smith, A. J. ; Sullivan, G. W. ; Williams, D. A. ; Westerhoff, S. ; Wilson, M. E. ; Xu, X. W. ; Yodh, G. B. / Search for very high energy gamma rays from WIMP annihilations near the Sun with the Milagro detector. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2004 ; Vol. 70, No. 8.
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    abstract = "The neutralino, the lightest stable supersymmetric particle, is a strong theoretical candidate for the missing astronomical {"}dark matter{"}. A profusion of such neutralinos can accumulate near the Sun when they lose energy upon scattering and are gravitationally captured. Pair-annihilations of those neutralinos may produce very high-energy (VHE, above 100 GeV) gamma rays. Milagro is an air shower array which uses the water Cherenkov technique to detect extensive-air showers and is capable of observing VHE gamma rays from the direction of the Sun with an angular resolution of 0.75°. Analysis of Milagro data with an exposure to the Sun of 1165 hours presents the first attempt to detect TeV gamma rays produced by annihilating neutralinos captured by the Solar system and shows no statistically significant signal. Resulting limits that can be set on the gamma-ray flux due to near-Solar neutralino annihilations and on the neutralino cross-section are presented.",
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    T1 - Search for very high energy gamma rays from WIMP annihilations near the Sun with the Milagro detector

    AU - Atkins, R.

    AU - Benbow, W.

    AU - Berley, D.

    AU - Blaufuss, E.

    AU - Bussons, J.

    AU - Coyne, D. G.

    AU - DeYoung, T.

    AU - Dingus, B. L.

    AU - Dorfan, D. E.

    AU - Ellsworth, R. W.

    AU - Fleysher, L.

    AU - Fleysher, R.

    AU - Gisler, G.

    AU - Gonzalez, M. M.

    AU - Goodman, J. A.

    AU - Haines, T. J.

    AU - Hays, E.

    AU - Hoffman, C. M.

    AU - Kelley, L. A.

    AU - Lansdell, C. P.

    AU - Linnemann, J. T.

    AU - McEnery, J. E.

    AU - Miller, R. S.

    AU - Mincer, A. I.

    AU - Morales, M. F.

    AU - Nemethy, P.

    AU - Noyes, D.

    AU - Ryan, J. M.

    AU - Samuelson, F. W.

    AU - Shoup, A.

    AU - Sinnis, G.

    AU - Smith, A. J.

    AU - Sullivan, G. W.

    AU - Williams, D. A.

    AU - Westerhoff, S.

    AU - Wilson, M. E.

    AU - Xu, X. W.

    AU - Yodh, G. B.

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    AB - The neutralino, the lightest stable supersymmetric particle, is a strong theoretical candidate for the missing astronomical "dark matter". A profusion of such neutralinos can accumulate near the Sun when they lose energy upon scattering and are gravitationally captured. Pair-annihilations of those neutralinos may produce very high-energy (VHE, above 100 GeV) gamma rays. Milagro is an air shower array which uses the water Cherenkov technique to detect extensive-air showers and is capable of observing VHE gamma rays from the direction of the Sun with an angular resolution of 0.75°. Analysis of Milagro data with an exposure to the Sun of 1165 hours presents the first attempt to detect TeV gamma rays produced by annihilating neutralinos captured by the Solar system and shows no statistically significant signal. Resulting limits that can be set on the gamma-ray flux due to near-Solar neutralino annihilations and on the neutralino cross-section are presented.

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