Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 59-string configuration

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Standard

Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 59-string configuration. / Aartsen, M.G.; Abbasi, R.; Ackermann, M.; Admas, J.; Aguilar, J.A.; Ahlers, M.; Altmann, D.; Arguelles, C.; Arlen, T.C.; Auffenberg, J.; Bai, X.; Baker, M.; Sarkar, Subir; Koskinen, David Jason; Larson, Michael James.

I: Physical Review D (Particles, Fields, Gravitation and Cosmology), Bind 89, 062007, 25.03.2014.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Aartsen, MG, Abbasi, R, Ackermann, M, Admas, J, Aguilar, JA, Ahlers, M, Altmann, D, Arguelles, C, Arlen, TC, Auffenberg, J, Bai, X, Baker, M, Sarkar, S, Koskinen, DJ & Larson, MJ 2014, 'Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 59-string configuration', Physical Review D (Particles, Fields, Gravitation and Cosmology), bind 89, 062007. https://doi.org/10.1103/PhysRevD.89.062007

APA

Aartsen, M. G., Abbasi, R., Ackermann, M., Admas, J., Aguilar, J. A., Ahlers, M., Altmann, D., Arguelles, C., Arlen, T. C., Auffenberg, J., Bai, X., Baker, M., Sarkar, S., Koskinen, D. J., & Larson, M. J. (2014). Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 59-string configuration. Physical Review D (Particles, Fields, Gravitation and Cosmology), 89, [062007]. https://doi.org/10.1103/PhysRevD.89.062007

Vancouver

Aartsen MG, Abbasi R, Ackermann M, Admas J, Aguilar JA, Ahlers M o.a. Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 59-string configuration. Physical Review D (Particles, Fields, Gravitation and Cosmology). 2014 mar. 25;89. 062007. https://doi.org/10.1103/PhysRevD.89.062007

Author

Aartsen, M.G. ; Abbasi, R. ; Ackermann, M. ; Admas, J. ; Aguilar, J.A. ; Ahlers, M. ; Altmann, D. ; Arguelles, C. ; Arlen, T.C. ; Auffenberg, J. ; Bai, X. ; Baker, M. ; Sarkar, Subir ; Koskinen, David Jason ; Larson, Michael James. / Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 59-string configuration. I: Physical Review D (Particles, Fields, Gravitation and Cosmology). 2014 ; Bind 89.

Bibtex

@article{10fc3c90a280415d801f22ccf060d16d,
title = "Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 59-string configuration",
abstract = "A search for high-energy neutrinos was performed using data collected by the IceCube Neutrino Observatory from May 2009 to May 2010, when the array was running in its 59-string configuration. The data sample was optimized to contain muon neutrino induced events with a background contamination of atmospheric muons of less than 1%. These data, which are dominated by atmospheric neutrinos, are analyzed with a global likelihood fit to search for possible contributions of prompt atmospheric and astrophysical neutrinos, neither of which have yet been identified. Such signals are expected to follow a harder energy spectrum than conventional atmospheric neutrinos. In addition, the zenith angle distribution differs for astrophysical and atmospheric signals. A global fit of the reconstructed energies and directions of observed events is performed, including possible neutrino flux contributions for an astrophysical signal and atmospheric backgrounds as well as systematic uncertainties of the experiment and theoretical predictions. The best fit yields an astrophysical signal flux for ν_μ+ν¯_μ of E^2⋅Φ(E) = 0.25x10^−8 GeV cm^−2 s^−1 sr^−1, and a zero prompt component. Although the sensitivity of this analysis for astrophysical neutrinos surpasses the Waxman and Bahcall upper bound, the experimental limit at 90% confidence level is a factor of 1.5 above at a flux of E^2⋅Φ(E) = 1.44x10^−8 GeV cm^−2 s^−1 sr^−1.",
author = "M.G. Aartsen and R. Abbasi and M. Ackermann and J. Admas and J.A. Aguilar and M. Ahlers and D. Altmann and C. Arguelles and T.C. Arlen and J. Auffenberg and X. Bai and M. Baker and Subir Sarkar and Koskinen, {David Jason} and Larson, {Michael James}",
year = "2014",
month = mar,
day = "25",
doi = "10.1103/PhysRevD.89.062007",
language = "English",
volume = "89",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "American Physical Society",

}

RIS

TY - JOUR

T1 - Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 59-string configuration

AU - Aartsen, M.G.

AU - Abbasi, R.

AU - Ackermann, M.

AU - Admas, J.

AU - Aguilar, J.A.

AU - Ahlers, M.

AU - Altmann, D.

AU - Arguelles, C.

AU - Arlen, T.C.

AU - Auffenberg, J.

AU - Bai, X.

AU - Baker, M.

AU - Sarkar, Subir

AU - Koskinen, David Jason

AU - Larson, Michael James

PY - 2014/3/25

Y1 - 2014/3/25

N2 - A search for high-energy neutrinos was performed using data collected by the IceCube Neutrino Observatory from May 2009 to May 2010, when the array was running in its 59-string configuration. The data sample was optimized to contain muon neutrino induced events with a background contamination of atmospheric muons of less than 1%. These data, which are dominated by atmospheric neutrinos, are analyzed with a global likelihood fit to search for possible contributions of prompt atmospheric and astrophysical neutrinos, neither of which have yet been identified. Such signals are expected to follow a harder energy spectrum than conventional atmospheric neutrinos. In addition, the zenith angle distribution differs for astrophysical and atmospheric signals. A global fit of the reconstructed energies and directions of observed events is performed, including possible neutrino flux contributions for an astrophysical signal and atmospheric backgrounds as well as systematic uncertainties of the experiment and theoretical predictions. The best fit yields an astrophysical signal flux for ν_μ+ν¯_μ of E^2⋅Φ(E) = 0.25x10^−8 GeV cm^−2 s^−1 sr^−1, and a zero prompt component. Although the sensitivity of this analysis for astrophysical neutrinos surpasses the Waxman and Bahcall upper bound, the experimental limit at 90% confidence level is a factor of 1.5 above at a flux of E^2⋅Φ(E) = 1.44x10^−8 GeV cm^−2 s^−1 sr^−1.

AB - A search for high-energy neutrinos was performed using data collected by the IceCube Neutrino Observatory from May 2009 to May 2010, when the array was running in its 59-string configuration. The data sample was optimized to contain muon neutrino induced events with a background contamination of atmospheric muons of less than 1%. These data, which are dominated by atmospheric neutrinos, are analyzed with a global likelihood fit to search for possible contributions of prompt atmospheric and astrophysical neutrinos, neither of which have yet been identified. Such signals are expected to follow a harder energy spectrum than conventional atmospheric neutrinos. In addition, the zenith angle distribution differs for astrophysical and atmospheric signals. A global fit of the reconstructed energies and directions of observed events is performed, including possible neutrino flux contributions for an astrophysical signal and atmospheric backgrounds as well as systematic uncertainties of the experiment and theoretical predictions. The best fit yields an astrophysical signal flux for ν_μ+ν¯_μ of E^2⋅Φ(E) = 0.25x10^−8 GeV cm^−2 s^−1 sr^−1, and a zero prompt component. Although the sensitivity of this analysis for astrophysical neutrinos surpasses the Waxman and Bahcall upper bound, the experimental limit at 90% confidence level is a factor of 1.5 above at a flux of E^2⋅Φ(E) = 1.44x10^−8 GeV cm^−2 s^−1 sr^−1.

U2 - 10.1103/PhysRevD.89.062007

DO - 10.1103/PhysRevD.89.062007

M3 - Journal article

VL - 89

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

M1 - 062007

ER -

ID: 129934929