Upper limit on the diffuse flux of UHE tau neutrinos from the Pierre Auger Observatory
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Upper limit on the diffuse flux of UHE tau neutrinos from the Pierre Auger Observatory

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Upper limit on the diffuse flux of UHE tau neutrinos from the Pierre Auger Observatory

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The Pierre Auger Collaboration; Pastor Carpi, Sergio; Pinto, Teguayco
This document is a artículoDate2008

Este documento está disponible también en : http://hdl.handle.net/10550/47917
The surface detector array of the Pierre Auger Observatory is sensitive to Earth-skimming tau neutrinos that interact in Earth¿s crust. Tau leptons from ντ charged-current interactions can emerge and decay in the atmosphere to produce a nearly horizontal shower with a significant electromagnetic component. The data collected between 1 January 2004 and 31 August 2007 are used to place an upper limit on the diffuse flux of ντ at EeV energies. Assuming an E−2ν differential energy spectrum the limit set at 90% C.L. is E2νdNντ/dEν<1.3×10−7  GeV cm−2 s−1 sr−1 in the energy range 2×1017  eV<Eν<2×1019  eV.

    The Pierre Auger Collaboration Pastor Carpi, Sergio Pinto, Teguayco 2008 Upper limit on the diffuse flux of UHE tau neutrinos from the Pierre Auger Observatory Physical Review Letters 100 21 211101-1 211101-7
http://dx.doi.org/10.1103/PhysRevLett.100.211101

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