Thesis etd-12182008-163431 |
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Thesis type
Tesi di dottorato di ricerca
Author
CENCI, RICCARDO
URN
etd-12182008-163431
Thesis title
Search for lepton flavour violating decays tau -> lKs with the BABAR detector
Academic discipline
FIS/04
Course of study
FISICA
Supervisors
Relatore Prof. Forti, Francesco
Keywords
- babar
- decay
- lepton flavour violation
- LFV
- tau
Graduation session start date
16/12/2008
Availability
Full
Summary
A search for the lepton flavour violating decays tau->lKs has been performed using a data sample corresponding to an integrated luminosity of 469 fb-1, collected with the BABAR
detector at the SLAC PEP-II e+e− asymmetric energy collider, a selection optimized to obtain the best sensitivity, and the "Modified Frequentist analysis". No statistically significant signal has been observed in either channel and the estimated upper limits on branching fractions are B(tau->e Ks) < 3.3e-8 and B(tau->muKs) < 4.0e-8 at 90% confidence level.
detector at the SLAC PEP-II e+e− asymmetric energy collider, a selection optimized to obtain the best sensitivity, and the "Modified Frequentist analysis". No statistically significant signal has been observed in either channel and the estimated upper limits on branching fractions are B(tau->e Ks) < 3.3e-8 and B(tau->muKs) < 4.0e-8 at 90% confidence level.
File
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| tesiV02_02.pdf | 7.83 Mb |
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