4.7 Article

Search for Lepton Flavor Violating Decays τ- → l-Ks0 with the BABAR Experiment

Journal

PHYSICAL REVIEW D
Volume 79, Issue 1, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.79.012004

Keywords

-

Funding

  1. US Department of Energy and National Science Foundation
  2. Natural Sciences and Engineering Research Council (Canada)
  3. Commissariat a l'Energie Atomique
  4. Institut National de Physique Nucleaire et de Physique des Particules (France)
  5. Bundesministerium fur Bildung
  6. Forschung and Deutsche Forschungsgemeinschaft (Germany)
  7. Istituto Nazionale di Fisica Nucleare (Italy)
  8. Foundation for Fundamental Research on Matter (The Netherlands)
  9. Research Council of Norway
  10. Ministry of Education and Science of the Russian Federation
  11. Ministerio de Educacion y Ciencia (Spain)
  12. Science and Technology Facilities Council (United Kingdom)
  13. European Union
  14. A.P. Sloan Foundation
  15. Science and Technology Facilities Council [ST/H001166/1, PP/E000444/1, ST/F008015/1, PP/E000495/1, ST/H000887/1] Funding Source: researchfish
  16. STFC [PP/E000495/1, ST/H001166/1, ST/F008015/1, ST/H000887/1] Funding Source: UKRI

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A search for the lepton flavor violating decays tau(-) --> l(-)K(S)(0) (l = e or mu) 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. No statistically significant signal has been observed in either channel and the estimated upper limits on branching fractions are B(tau(-) --> e(-)K(S)(0)) < 3.3 x 10(-8) and B(tau(-) --> mu K--(S)0) < 4.0 x 10(-8) at 90% confidence level.

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