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SUMMARY:Transverse polarisation of the positron from polarized muon decay?
  A new precision measurement and its implications for the Standard Model
DTSTART;VALUE=DATE-TIME:19990625T090000Z
DTEND;VALUE=DATE-TIME:19990625T100000Z
DTSTAMP;VALUE=DATE-TIME:20260704T204658Z
UID:indico-event-1129@indico.ific.uv.es
DESCRIPTION:Is the positron from polarized muon decay really transversely 
 polarised?\nOnly slightly in the case of the standard model with its lefth
 anded couplings\, but maybe sizeably if additional exotic couplings contri
 bute to muon decay.\nA new experiment at PSI is aiming to measure the two 
 possible transverse polarization components P_T1 and P_T2 with a precision
  of 3 x 10^-3. The energy dependence of P_T1 yields an improved value for 
 the low energy parameter eta that is the limiting quantity in the determin
 ation of the Fermi coupling constant G_F. The measurement of P_T2 is the o
 nly test of time reversal invariance so far in a purely leptonic interacti
 on.\nI will present the experiment\, show the results of our test measurem
 ents and discuss the implications of this experiment for our knowledge of 
 the charged weak interaction.\n\nhttps://indico.ific.uv.es/event/1129/
LOCATION:Dpto. de Fisica Teorica (UVEG) Sala Seminarios
URL:https://indico.ific.uv.es/event/1129/
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