Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 40-string detector
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Open access
Authors
Abbasi, R.
Abdou, Y.
Abu-Zayyad, T.
Adams, J.
Aguilar, J.
Ahlers, M.
Altmann, D.
Andeen, K.
Auffenberg, J.
Bai, X.
Baker, M.
Barwick, S.
Bay, R.
Bazo Alba, J.
Beattie, K.
Beatty, J.
Bechet, S.
Becker, J.
Becker, K.
Benabderrahmane, M.
Benzvi, S.
Berdermann, J.
Berghaus, P.
Berley, D.
Bernardini, E.
Bertrand, D.
Besson, D.
Bindig, D.
Bissok, M.
Blaufuss, E.
Blumenthal, J.
Boersma, D.
Bohm, C.
Bose, D.
Böser, S.
Botner, O.
Brown, A.
Buitink, S.
Caballero-Mora, K.
Carson, Michael
Chirkin, D.
Christy, B.
Clem, J.
Clevermann, F.
Cohen, S.
Colnard, C.
Cowen, D.
D'Agostino, M.
Danninger, M.
Daughhetee, J.
Davis, J.
De Clercq, C.
Demirörs, L.
Denger, T.
Depaepe, O.
Descamps, F.
Desiati, P.
De Vries-Uiterweerd, G.
Deyoung, T.
Díaz-Vélez, J.
Dierckxsens, M.
Dreyer, J.
Dumm, J.
Ehrlich, R.
Eisch, J.
Ellsworth, R.
Engdegård, O.
Euler, S.
Evenson, P.
Fadiran, O.
Fazely, A.
Fedynitch, A.
Feintzeig, J.
Feusels, T.
Filimonov, K.
Finley, C.
Fischer-Wasels, T.
Foerster, M.
Fox, B.
Franckowiak, A.
Franke, R.
Gaisser, T.
Gallagher, J.
Gerhardt, L.
Gladstone, L.
Glüsenkamp, T.
Goldschmidt, A.
Goodman, J.
Gora, D.
Grant, D.
Griesel, T.
Groß, A.
Grullon, S.
Gurtner, M.
Ha, C.
Hajismail, A.
Date
2011Type
Journal Article
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Abbasi, R. and Abdou, Y. and Abu-Zayyad, T. and Adams, J. and Aguilar, J. and Ahlers, M. and Altmann, D. et al. 2011. Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 40-string detector. Physical Review D - Particles, Fields, Gravitation and Cosmology. 84 (8).
Source Title
Physical Review D - Particles, Fields, Gravitation and Cosmology
ISSN
School
Department of Exploration Geophysics
Remarks
Copyright © 2011 by the American Physical Society
Collection
Abstract
The IceCube Neutrino Observatory is a 1 km3 detector currently taking data at the South Pole. One of the main strategies used to look for astrophysical neutrinos with IceCube is the search for a diffuse flux of high-energy neutrinos from unresolved sources. A hard energy spectrum of neutrinos from isotropically distributed astrophysical sources could manifest itself as a detectable signal that may be differentiated from the atmospheric neutrino background by spectral measurement. This analysis uses data from the IceCube detector collected in its half completed configuration which operated between April 2008 and May 2009 to search for a diffuse flux of astrophysical muon neutrinos. A total of 12 877 upward-going candidate neutrino events have been selected for this analysis. No evidence for a diffuse flux of astrophysical muon neutrinos was found in the data set leading to a 90% C.L. upper limit on the normalization of an E−2 astrophysical νμ flux of 8.9×10−9 GeV cm−2 s−1 sr−1. The analysis is sensitive in the energy range between 35 TeV and 7 PeV. The 12 877 candidate neutrino events are consistent with atmospheric muon neutrinos measured from 332 GeV to 84 TeV and no evidence for a prompt component to the atmospheric neutrino spectrum is found.
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Abbasi, R.; Abdou, Y.; Abu-Zayyad, T.; Adams, J.; Aguilar, J.; Ahlers, M.; Andeen, K.; Auffenberg, J.; Bai, X.; Baker, M.; Barwick, S.; Bay, R.; Bazo Alba, J.; Beattie, K.; Beatty, J.; Bechet, S.; Becker, J.; Becker, K.; Benabderrahmane, M.; Benzvi, S.; Berdermann, J.; Berghaus, P.; Berley, D.; Bernardini, E.; Bertrand, D.; Besson, D.; Bissok, M.; Blaufuss, E.; Blumenthal, J.; Boersma, D.; Bohm, C.; Bose, D.; Böser, S.; Botner, O.; Braun, J.; Buitink, S.; Carson, Michael; Chirkin, D.; Christy, B.; Clem, J.; Clevermann, F.; Cohen, S.; Colnard, C.; Cowen, D.; D'Agostino, M.; Danninger, M.; Davis, J.; De Clercq, C.; Demirörs, L.; Depaepe, O.; Descamps, F.; Desiati, P.; De Vries-Uiterweerd, G.; Deyoung, T.; Díaz-Vélez, J.; Dierckxsens, M.; Dreyer, J.; Dumm, J.; Duvoort, M.; Ehrlich, R.; Eisch, J.; Ellsworth, R.; Engdegård, O.; Euler, S.; Evenson, P.; Fadiran, O.; Fazely, A.; Fedynitch, A.; Feusels, T.; Filimonov, K.; Finley, C.; Foerster, M.; Fox, B.; Franckowiak, A.; Franke, R.; Gaisser, T.; Gallagher, J.; Geisler, M.; Gerhardt, L.; Gladstone, L.; Glüsenkamp, T.; Goldschmidt, A.; Goodman, J.; Grant, D.; Griesel, T.; Groß, A.; Grullon, S.; Gurtner, M.; Ha, C.; Hallgren, A.; Halzen, F.; Han, K.; Hanson, K.; Helbing, K.; Herquet, P. (2011)A measurement of the atmospheric muon neutrino energy spectrum from 100 GeV to 400 TeV was performed using a data sample of about 18 000 up-going atmospheric muon neutrino events in IceCube. Boosted decision trees were ...
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Abbasi, R.; Abdou, Y.; Abu-Zayyad, T.; Adams, J.; Aguilar, J.; Ahlers, M.; Andeen, K.; Auffenberg, J.; Bai, X.; Baker, M.; Barwick, S.; Bay, R.; Alba, J.; Beattie, K.; Beatty, J.; Bechet, S.; Becker, J.; Becker, K.; Benabderrahmane, M.; Benzvi, S.; Berdermann, J.; Berghaus, P.; Berley, D.; Bernardini, E.; Bertrand, D.; Besson, D.; Bissok, M.; Blaufuss, E.; Blumenthal, J.; Boersma, D.; Bohm, C.; Bose, D.; Böser, S.; Botner, O.; Braun, J.; Brown, A.; Buitink, S.; Carson, Michael; Chirkin, D.; Christy, B.; Clem, J.; Clevermann, F.; Cohen, S.; Colnard, C.; Cowen, D.; D'Agostino, M.; Danninger, M.; Daughhetee, J.; Davis, J.; De Clercq, C.; Demirörs, L.; Depaepe, O.; Descamps, F.; Desiati, P.; De Vries-Uiterweerd, G.; Deyoung, T.; Díaz-Vélez, J.; Dierckxsens, M.; Dreyer, J.; Dumm, J.; Ehrlich, R.; Eisch, J.; Ellsworth, R.; Engdegård, O.; Euler, S.; Evenson, P.; Fadiran, O.; Fazely, A.; Fedynitch, A.; Feusels, T.; Filimonov, K.; Finley, C.; Foerster, M.; Fox, B.; Franckowiak, A.; Franke, R.; Gaisser, T.; Gallagher, J.; Geisler, M.; Gerhardt, L.; Gladstone, L.; Glüsenkamp, T.; Goldschmidt, A.; Goodman, J.; Grant, D.; Griesel, T.; Gro, A.; Grullon, S.; Gurtner, M.; Ha, C.; Hallgren, A.; Halzen, F.; Han, K.; Hanson, K.; Helbing, K. (2011)We present the results of time-integrated searches for astrophysical neutrino sources in both the northern and southern skies. Data were collected using the partially completed IceCube detector in the 40-string configuration ...
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