Title
First search for atmospheric and extraterrestrial neutrino-induced cascades with the IceCube detector
Date Issued
03 October 2011
Access level
open access
Resource Type
journal article
Author(s)
Abbasi R.
Abdou Y.
Abu-Zayyad T.
Adams J.
Aguilar J.A.
Ahlers M.
Andeen K.
Auffenberg J.
Bai X.
Baker M.
Barwick S.W.
Bay R.
Beattie K.
Beatty J.J.
Bechet S.
Becker J.K.
Becker K.H.
Benabderrahmane M.L.
Benzvi S.
Berdermann J.
Berghaus P.
Berley D.
Bernardini E.
Bertrand D.
Besson D.Z.
Bindig D.
Bissok M.
Blaufuss E.
Blumenthal J.
Boersma D.J.
Bohm C.
Bose D.
Böser S.
Botner O.
Braun J.
Brown A.M.
Buitink S.
Carson M.
Chirkin D.
Christy B.
Clem J.
Clevermann F.
Cohen S.
Colnard C.
Cowen D.F.
D'Agostino M.V.
Danninger M.
Daughhetee J.
Davis J.C.
De Clercq C.
Demirörs L.
Depaepe O.
Descamps F.
Desiati P.
De Vries-Uiterweerd G.
Deyoung T.
Díaz-Vélez J.C.
Dierckxsens M.
Dreyer J.
Dumm J.P.
Ehrlich R.
Eisch J.
Ellsworth R.W.
Engdegård O.
Euler S.
Evenson P.A.
Fadiran O.
Fazely A.R.
Fedynitch A.
Feusels T.
Filimonov K.
Finley C.
Fischer-Wasels T.
Foerster M.M.
Fox B.D.
Franckowiak A.
Franke R.
Gaisser T.K.
Gallagher J.
Geisler M.
Gerhardt L.
Gladstone L.
Glüsenkamp T.
Goldschmidt A.
Goodman J.A.
Grant D.
Griesel T.
Groß A.
Grullon S.
Gurtner M.
Ha C.
Hallgren A.
Halzen F.
Han K.
Hanson K.
Heinen D.
Helbing K.
Herquet P.
Hickford S.
RWTH Aachen University
Abstract
We report on the first search for atmospheric and for diffuse astrophysical neutrino-induced showers (cascades) in the IceCube detector using 257 days of data collected in the year 2007-2008 with 22 strings active. A total of 14 events with energies above 16TeV remained after event selections in the diffuse analysis, with an expected total background contribution of 8.3±3.6. At 90% confidence we set an upper limit of E2Φ90%CL<3. 6×10-7GeV•cm-2•s-1•sr -1 on the diffuse flux of neutrinos of all flavors in the energy range between 24TeV and 6.6PeV assuming that ΦE-2 and the flavor composition of the νeνμντ flux is 111 at the Earth. The atmospheric neutrino analysis was optimized for lower energies. A total of 12 events were observed with energies above 5TeV. The observed number of events is consistent with the expected background, within the uncertainties. © 2011 American Physical Society.
Volume
84
Issue
7
Language
English
OCDE Knowledge area
Astronomía
Física de partículas, Campos de la Física
Scopus EID
2-s2.0-80555136699
Source
Physical Review D - Particles, Fields, Gravitation and Cosmology
ISSN of the container
15502368
Sponsor(s)
Science and Technology Facilities Council - ST/J000507/1
Japan Society for the Promotion of Science - 22340048
Sources of information:
Directorio de Producción Científica
Scopus