Limit on the diffuse flux of ultrahigh energy tau neutrinos with the surface detector of the Pierre Auger Observatory (2009)
- Authors:
- Autor USP: GOUFFON, PHILIPPE - IF
- Unidade: IF
- DOI: 10.1103/physrevd.79.102001
- Subjects: NEUTRINOS; RAIOS CÓSMICOS
- Language: Inglês
- Abstract: Data collected at the Pierre Auger Observatory are used to establish an upper limit on the diffuse flux of tau neutrinos in the cosmic radiation. Earth-skimming may interact in the Earth’s crust and produce a lepton by means of charged-current interactions. The lepton may emerge from the Earth and decay in the atmosphere to produce a nearly horizontal shower with a typical signature, a persistent electromagnetic component even at very large atmospheric depths. The search procedure to select events induced by decays against the background of normal showers induced by cosmic rays is described. The method used to compute the exposure for a detector continuously growing with time is detailed. Systematic uncertainties in the exposure from the detector, the analysis, and the involved physics are discussed. No neutrino candidates have been found. For neutrinos in the energy range 2 X `10 POT.17´ eV<`E IND.`nü´´< 2 X `10 POT.19´ eV, assuming a diffuse spectrum of the form ``E POT.-2´ IND.`nü´´2 , data collected between 1 January 2004 and 30 April 2008 yield a 90% confidence-level upper limit of` E POT.2´IND.`nü´´ dN =`dE`nü´´ < 9 `10 POT. 8´ GeV `cm POT.-2´` s POT.-1´` srPOT.-1´
- Imprenta:
- Publisher: The Society
- Publisher place: New York
- Date published: 2009
- Source:
- Título do periódico: Physical Review Letters
- ISSN: 0031-9007
- Volume/Número/Paginação/Ano: v. 79, n. 10, p. 102001/1-102001/15, 2009
- Este periódico é de assinatura
- Este artigo é de acesso aberto
- URL de acesso aberto
- Cor do Acesso Aberto: green
-
ABNT
ABRAHAM, J; GOUFFON, Philippe. Limit on the diffuse flux of ultrahigh energy tau neutrinos with the surface detector of the Pierre Auger Observatory. Physical Review Letters, New York, The Society, v. 79, n. 10, p. 102001/1-102001/15, 2009. DOI: 10.1103/physrevd.79.102001. -
APA
Abraham, J., & Gouffon, P. (2009). Limit on the diffuse flux of ultrahigh energy tau neutrinos with the surface detector of the Pierre Auger Observatory. Physical Review Letters, 79( 10), 102001/1-102001/15. doi:10.1103/physrevd.79.102001 -
NLM
Abraham J, Gouffon P. Limit on the diffuse flux of ultrahigh energy tau neutrinos with the surface detector of the Pierre Auger Observatory. Physical Review Letters. 2009 ; 79( 10): 102001/1-102001/15. -
Vancouver
Abraham J, Gouffon P. Limit on the diffuse flux of ultrahigh energy tau neutrinos with the surface detector of the Pierre Auger Observatory. Physical Review Letters. 2009 ; 79( 10): 102001/1-102001/15. - Testes relativos a estabilidade do campo magnetico dos imas de 180'GRAUS' do microtron booster
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Informações sobre o DOI: 10.1103/physrevd.79.102001 (Fonte: oaDOI API)
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