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Search for Neutrino-Induced Cascades with Five Years of AMANDA Data
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
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2011 (English)In: Astroparticle physics, ISSN 0927-6505, E-ISSN 1873-2852, Vol. 34, no 6, 420-430 p.Article in journal (Refereed) Published
Abstract [en]

We report on the search for electromagnetic and hadronic showers ("cascades") produced by a diffuse flux of extraterrestrial neutrinos in the AMANDA neutrino telescope. Data for this analysis were recorded during 1001 days of detector livetime in the years 2000-2004. The observed event rates are consistent with the background expectation from atmospheric neutrinos and muons. An upper limit is derived for the diffuse flux of neutrinos of all flavors assuming a flavor ratio of v(e):v(mu):v(tau) = 1:1:1 at the detection site. The all-flavor flux of neutrinos with an energy spectrum Phi proportional to E(-2) is less than 5.0 x 10(-7) GeV s(-1) sr(-1) cm(-2) at a 90% C.L. Here, 90% of the simulated signal would fall within the energy range 40 TeV to 9 PeV. We discuss flux limits in the context of several specific models of extraterrestrial and prompt atmospheric neutrino production.

Place, publisher, year, edition, pages
2011. Vol. 34, no 6, 420-430 p.
Keyword [en]
Neutrinos, Cascades
National Category
Subatomic Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:su:diva-62025DOI: 10.1016/j.astropartphys.2010.10.007ISI: 000287068800012OAI: oai:DiVA.org:su-62025DiVA: diva2:439444
Projects
IceCube
Funder
Swedish Research CouncilKnut and Alice Wallenberg Foundation
Note
Publikationen har totalt 253 författare, R. Abbasi et al.Available from: 2011-09-07 Created: 2011-09-07 Last updated: 2017-12-08Bibliographically approved

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Bohm, ChristianDanninger, MatthiasFinley, ChadHulth, Per OlofHultqvist, KlasJohansson, HenrikSeo, Seon-HeeWalck, Christian
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Department of PhysicsThe Oskar Klein Centre for Cosmo Particle Physics (OKC)
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