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SUMMARY:Analysis of tau- -> K_S pi- nu decay at Belle
DTSTART;VALUE=DATE-TIME:20070406T013000Z
DTEND;VALUE=DATE-TIME:20070406T030000Z
DTSTAMP;VALUE=DATE-TIME:20260425T132313Z
UID:indico-event-262@cern.ch
DESCRIPTION:This seminar is devoted to the study of tau- -> K_S pi- 
 nu\ndecay with large statistics of about 351/fb collected by Belle.\nI'd 
 like to discuss following items:\n\n* Motivation of the study of tau 
 decays into the hadronic system with strangeness.\n  Why should we study 
 this particular Ks pi nu decay mode first?\n\n* Event selection strategy. 
 Detection efficiency and corrections.\n\n* The main sources of 
 background\, strategies to deal with it.\n\n* Calculation of the branching
  fraction. Systematic uncertainties\, weak points.\n  Comparison with the 
 other experiments.\n\n* Study of the KS pi invariant mass spectrum:\n\n  -
  KS pi mass spectra of the background processes. What are the problems?\n
   - Taking into account the detector apparatus function.\n  - Theoretical 
 description of the mass spectrum. Different parametrizations of the 
 scalar\n    and vector formfactors.\n  - Precise measurement of the K* 
 meson mass and width.\n\nSome other studies with tau -> Ks pi nu sample\, 
 which will be done in the nearest future are briefly discussed.\n\nhttps:/
 /agenda.hepl.phys.nagoya-u.ac.jp/indico/conferenceDisplay.py?confId=262
LOCATION:
URL:https://agenda.hepl.phys.nagoya-u.ac.jp/indico/conferenceDisplay.py?con
 fId=262
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