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SUMMARY:B(s) --> eta\, eta' and D(s) --> eta\, eta' transitions from QCD l
 ight-cone sum rules
DTSTART;VALUE=DATE-TIME:20151217T110000Z
DTEND;VALUE=DATE-TIME:20151217T120000Z
DTSTAMP;VALUE=DATE-TIME:20260922T174855Z
UID:indico-event-2630@indico.ific.uv.es
DESCRIPTION:\n    In the framework of the QCD light-cone sum rules (LCSRs)
  we present the thorough analysis of B(s) --> eta\, eta' and D(s) --> eta\
 ,eta' form factors (f_+\,f_0\,f_T) needed for predictions of nonleptonic a
 nd semileptonic B(s) and D(s) decays in eta and eta' mesons. The analysis 
 is done beyond the leading order in QCD by including consistently efects o
 f higher twists and two-gluon contributions in eta and eta' into account. 
 The SU(3)-flavour breaking corrections and the axial anomaly contributions
  to the distribution amplitudes are also considered. The obtained results 
 for the form factors are used to predict semileptonic  D(s) and B(s) --> 
 eta(') e nu\, eta(') l l \, eta(')  nu nu  decays.\n\nhttps://indico.ifi
 c.uv.es/event/2630/
LOCATION:IFIC Seminar Room\, 1.1.1
URL:https://indico.ific.uv.es/event/2630/
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