A search for dark matter annihilation with the Whipple 10 m telescope

M. Wood, G. Blaylock, S. M. Bradbury, J. H. Buckley, K. L. Byrum, Y. C.K. Chow, W. Cui, I. De La Calle Perez, A. D. Falcone, S. J. Fegan, J. P. Finley, J. Grube, J. Hall, D. Hanna, J. Holder, D. Horan, T. B. Humensky, D. B. Kieda, J. Kildea, A. KonopelkoH. Krawczynski, F. Krennrich, M. J. Lang, S. LeBohec, T. Nagai, R. A. Ong, J. S. Perkins, M. Pohl, J. Quinn, H. J. Rose, G. H. Sembroski, V. V. Vassiliev, R. G. Wagner, S. P. Wakely, T. C. Weekes, A. Weinstein

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Abstract

We present observations of the dwarf galaxies Draco and Ursa Minor, the Local Group galaxies M32 and M33, and the globular cluster M15 conducted with the Whipple 10 m gamma-ray telescope to search for the gamma-ray signature of self-annihilating weakly interacting massive particles (WIMPs), which may constitute astrophysical dark matter (DM). We review the motivations for selecting these sources based on their unique astrophysical environments and report the results of the data analysis that produced upper limits on the excess rate of gamma rays for each source. We consider models for the DM distribution in each source based on the available observational constraints and discuss possible scenarios for the enhancement of the gamma-ray luminosity. Limits on the thermally averaged product of the total self-annihilation cross section and velocity of the WIMP, (σv), are derived using conservative estimates for the magnitude of the astrophysical contribution to the gamma-ray flux. Although these limits do not constrain predictions from the currently favored theoretical models of supersymmetry (SUSY), future observations with VERITAS will probe a larger region of the WIMP parameter phase space, (σv), and WIMP particle mass (mχ).

Original languageEnglish (US)
Pages (from-to)594-605
Number of pages12
JournalAstrophysical Journal
Volume678
Issue number2
DOIs
StatePublished - May 10 2008

Fingerprint

weakly interacting massive particles
dark matter
gamma rays
telescopes
astrophysics
gamma ray telescopes
particle mass
dwarf galaxies
globular clusters
supersymmetry
luminosity
signatures
galaxies
cross section
probe
particle
augmentation
probes
cross sections
estimates

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Wood, M., Blaylock, G., Bradbury, S. M., Buckley, J. H., Byrum, K. L., Chow, Y. C. K., ... Weinstein, A. (2008). A search for dark matter annihilation with the Whipple 10 m telescope. Astrophysical Journal, 678(2), 594-605. https://doi.org/10.1086/529421
Wood, M. ; Blaylock, G. ; Bradbury, S. M. ; Buckley, J. H. ; Byrum, K. L. ; Chow, Y. C.K. ; Cui, W. ; De La Calle Perez, I. ; Falcone, A. D. ; Fegan, S. J. ; Finley, J. P. ; Grube, J. ; Hall, J. ; Hanna, D. ; Holder, J. ; Horan, D. ; Humensky, T. B. ; Kieda, D. B. ; Kildea, J. ; Konopelko, A. ; Krawczynski, H. ; Krennrich, F. ; Lang, M. J. ; LeBohec, S. ; Nagai, T. ; Ong, R. A. ; Perkins, J. S. ; Pohl, M. ; Quinn, J. ; Rose, H. J. ; Sembroski, G. H. ; Vassiliev, V. V. ; Wagner, R. G. ; Wakely, S. P. ; Weekes, T. C. ; Weinstein, A. / A search for dark matter annihilation with the Whipple 10 m telescope. In: Astrophysical Journal. 2008 ; Vol. 678, No. 2. pp. 594-605.
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abstract = "We present observations of the dwarf galaxies Draco and Ursa Minor, the Local Group galaxies M32 and M33, and the globular cluster M15 conducted with the Whipple 10 m gamma-ray telescope to search for the gamma-ray signature of self-annihilating weakly interacting massive particles (WIMPs), which may constitute astrophysical dark matter (DM). We review the motivations for selecting these sources based on their unique astrophysical environments and report the results of the data analysis that produced upper limits on the excess rate of gamma rays for each source. We consider models for the DM distribution in each source based on the available observational constraints and discuss possible scenarios for the enhancement of the gamma-ray luminosity. Limits on the thermally averaged product of the total self-annihilation cross section and velocity of the WIMP, (σv), are derived using conservative estimates for the magnitude of the astrophysical contribution to the gamma-ray flux. Although these limits do not constrain predictions from the currently favored theoretical models of supersymmetry (SUSY), future observations with VERITAS will probe a larger region of the WIMP parameter phase space, (σv), and WIMP particle mass (mχ).",
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Wood, M, Blaylock, G, Bradbury, SM, Buckley, JH, Byrum, KL, Chow, YCK, Cui, W, De La Calle Perez, I, Falcone, AD, Fegan, SJ, Finley, JP, Grube, J, Hall, J, Hanna, D, Holder, J, Horan, D, Humensky, TB, Kieda, DB, Kildea, J, Konopelko, A, Krawczynski, H, Krennrich, F, Lang, MJ, LeBohec, S, Nagai, T, Ong, RA, Perkins, JS, Pohl, M, Quinn, J, Rose, HJ, Sembroski, GH, Vassiliev, VV, Wagner, RG, Wakely, SP, Weekes, TC & Weinstein, A 2008, 'A search for dark matter annihilation with the Whipple 10 m telescope', Astrophysical Journal, vol. 678, no. 2, pp. 594-605. https://doi.org/10.1086/529421

A search for dark matter annihilation with the Whipple 10 m telescope. / Wood, M.; Blaylock, G.; Bradbury, S. M.; Buckley, J. H.; Byrum, K. L.; Chow, Y. C.K.; Cui, W.; De La Calle Perez, I.; Falcone, A. D.; Fegan, S. J.; Finley, J. P.; Grube, J.; Hall, J.; Hanna, D.; Holder, J.; Horan, D.; Humensky, T. B.; Kieda, D. B.; Kildea, J.; Konopelko, A.; Krawczynski, H.; Krennrich, F.; Lang, M. J.; LeBohec, S.; Nagai, T.; Ong, R. A.; Perkins, J. S.; Pohl, M.; Quinn, J.; Rose, H. J.; Sembroski, G. H.; Vassiliev, V. V.; Wagner, R. G.; Wakely, S. P.; Weekes, T. C.; Weinstein, A.

In: Astrophysical Journal, Vol. 678, No. 2, 10.05.2008, p. 594-605.

Research output: Contribution to journalArticle

TY - JOUR

T1 - A search for dark matter annihilation with the Whipple 10 m telescope

AU - Wood, M.

AU - Blaylock, G.

AU - Bradbury, S. M.

AU - Buckley, J. H.

AU - Byrum, K. L.

AU - Chow, Y. C.K.

AU - Cui, W.

AU - De La Calle Perez, I.

AU - Falcone, A. D.

AU - Fegan, S. J.

AU - Finley, J. P.

AU - Grube, J.

AU - Hall, J.

AU - Hanna, D.

AU - Holder, J.

AU - Horan, D.

AU - Humensky, T. B.

AU - Kieda, D. B.

AU - Kildea, J.

AU - Konopelko, A.

AU - Krawczynski, H.

AU - Krennrich, F.

AU - Lang, M. J.

AU - LeBohec, S.

AU - Nagai, T.

AU - Ong, R. A.

AU - Perkins, J. S.

AU - Pohl, M.

AU - Quinn, J.

AU - Rose, H. J.

AU - Sembroski, G. H.

AU - Vassiliev, V. V.

AU - Wagner, R. G.

AU - Wakely, S. P.

AU - Weekes, T. C.

AU - Weinstein, A.

PY - 2008/5/10

Y1 - 2008/5/10

N2 - We present observations of the dwarf galaxies Draco and Ursa Minor, the Local Group galaxies M32 and M33, and the globular cluster M15 conducted with the Whipple 10 m gamma-ray telescope to search for the gamma-ray signature of self-annihilating weakly interacting massive particles (WIMPs), which may constitute astrophysical dark matter (DM). We review the motivations for selecting these sources based on their unique astrophysical environments and report the results of the data analysis that produced upper limits on the excess rate of gamma rays for each source. We consider models for the DM distribution in each source based on the available observational constraints and discuss possible scenarios for the enhancement of the gamma-ray luminosity. Limits on the thermally averaged product of the total self-annihilation cross section and velocity of the WIMP, (σv), are derived using conservative estimates for the magnitude of the astrophysical contribution to the gamma-ray flux. Although these limits do not constrain predictions from the currently favored theoretical models of supersymmetry (SUSY), future observations with VERITAS will probe a larger region of the WIMP parameter phase space, (σv), and WIMP particle mass (mχ).

AB - We present observations of the dwarf galaxies Draco and Ursa Minor, the Local Group galaxies M32 and M33, and the globular cluster M15 conducted with the Whipple 10 m gamma-ray telescope to search for the gamma-ray signature of self-annihilating weakly interacting massive particles (WIMPs), which may constitute astrophysical dark matter (DM). We review the motivations for selecting these sources based on their unique astrophysical environments and report the results of the data analysis that produced upper limits on the excess rate of gamma rays for each source. We consider models for the DM distribution in each source based on the available observational constraints and discuss possible scenarios for the enhancement of the gamma-ray luminosity. Limits on the thermally averaged product of the total self-annihilation cross section and velocity of the WIMP, (σv), are derived using conservative estimates for the magnitude of the astrophysical contribution to the gamma-ray flux. Although these limits do not constrain predictions from the currently favored theoretical models of supersymmetry (SUSY), future observations with VERITAS will probe a larger region of the WIMP parameter phase space, (σv), and WIMP particle mass (mχ).

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Wood M, Blaylock G, Bradbury SM, Buckley JH, Byrum KL, Chow YCK et al. A search for dark matter annihilation with the Whipple 10 m telescope. Astrophysical Journal. 2008 May 10;678(2):594-605. https://doi.org/10.1086/529421