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High Energy Physics - Phenomenology

arXiv:hep-ph/0503050 (hep-ph)
[Submitted on 4 Mar 2005 (v1), last revised 2 Aug 2005 (this version, v2)]

Title:The Decay of Tau Leptons Produced in Neutrino-Nucleon Scatterings

Authors:Mayumi Aoki, Kaoru Hagiwara, Kentarou Mawatari, Hiroshi Yokoya
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Abstract: Energy and angular distributions of the tau decay products in the CERN-to-Gran Sasso $\nu_\tau$ appearance experiments are studied for the decay modes $\tau\to\pi\nu$ and $\tau\to l\bar\nu\nu$ (l=e or mu). We find that the decay particle distributions in the laboratory frame are significantly affected by the tau polarization. Rather strong azimuthal asymmetry of $pi^-$ and $l^-$ about the tau momentum axis is predicted, which may have observable consequences even at small statistics experiments.
Comments: 14 pages, 6 eps figures; comments on Fig. 1 added, Fig. 4 improved to see clearly
Subjects: High Energy Physics - Phenomenology (hep-ph)
Report number: KEK-TH-1008, KOBE-FHD-05-01, HUPD-0501
Cite as: arXiv:hep-ph/0503050
  (or arXiv:hep-ph/0503050v2 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0503050
Journal reference: Nucl.Phys. B727 (2005) 163-175
Related DOI: https://doi.org/10.1016/j.nuclphysb.2005.08.036

Submission history

From: Kentarou Mawatari [view email]
[v1] Fri, 4 Mar 2005 15:53:07 UTC (280 KB)
[v2] Tue, 2 Aug 2005 14:05:51 UTC (280 KB)
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