Simultaneous determinations of τ polarisation and vτ, helicity using the decay τ → a1vτ

A method is presented to extract tau polarisation Pτ and tau neutrino helicity γVA simultaneously using τ leptons produced at the Z⁰ which decay into a1 and vτ. It provides better sensitivity than independent fits to Pτ or γVA separately and in fact can be shown to be optimal. Estimates of sensitivi...

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Autores principales: Dova, María Teresa, Lacentre, Pablo E., Swain, J. D.
Formato: Articulo
Lenguaje:Inglés
Publicado: 1997
Materias:
Ciencias Exactas
Física
tau polarisation
tau neutrino helicity γVA
τ leptons
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/77888
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-77888
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
Física
tau polarisation
tau neutrino helicity γVA
τ leptons
spellingShingle Ciencias Exactas
Física
tau polarisation
tau neutrino helicity γVA
τ leptons
Dova, María Teresa
Lacentre, Pablo E.
Swain, J. D.
Simultaneous determinations of τ polarisation and vτ, helicity using the decay τ → a1vτ
topic_facet Ciencias Exactas
Física
tau polarisation
tau neutrino helicity γVA
τ leptons
description A method is presented to extract tau polarisation Pτ and tau neutrino helicity γVA simultaneously using τ leptons produced at the Z⁰ which decay into a1 and vτ. It provides better sensitivity than independent fits to Pτ or γVA separately and in fact can be shown to be optimal. Estimates of sensitivity from Monte Carlo studies and comments regarding the use of the technique in experiments are also presented. We also discuss how results of tau polarisation determinations using other decay modes may be included.
format Articulo
Articulo
author Dova, María Teresa
Lacentre, Pablo E.
Swain, J. D.
author_facet Dova, María Teresa
Lacentre, Pablo E.
Swain, J. D.
author_sort Dova, María Teresa
title Simultaneous determinations of τ polarisation and vτ, helicity using the decay τ → a1vτ
title_short Simultaneous determinations of τ polarisation and vτ, helicity using the decay τ → a1vτ
title_full Simultaneous determinations of τ polarisation and vτ, helicity using the decay τ → a1vτ
title_fullStr Simultaneous determinations of τ polarisation and vτ, helicity using the decay τ → a1vτ
title_full_unstemmed Simultaneous determinations of τ polarisation and vτ, helicity using the decay τ → a1vτ
title_sort simultaneous determinations of τ polarisation and vτ, helicity using the decay τ → a1vτ
publishDate 1997
url http://sedici.unlp.edu.ar/handle/10915/77888
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bdutipo_str Repositorios
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