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SUMMARY:Determination of the light quark masses from eta --> 3 pi
DTSTART;VALUE=DATE-TIME:20110519T100000Z
DTEND;VALUE=DATE-TIME:20110519T110000Z
DTSTAMP;VALUE=DATE-TIME:20260627T175225Z
UID:indico-event-1794@indico.ific.uv.es
DESCRIPTION:Recently\, an important effort has been devoted at KLOE\, MAMI
  and COSY to precisely measure the eta --> 3 pi decays. These new measurem
 ents require to revisit the theoretical analyses of these decays. In this 
 talk\, we will present a new analysis of the eta --> 3 pi decay amplitude 
 relying on dispersive methods. We will show how the study of this decay al
 lows to extract a fundamental parameter of the Standard Model\, namely the
  quark mass ratio (m_d^2-m_u^2)/(m_s^2-\\hat{m}^2) with a very good precis
 ion. We will then discuss the possibility to extract the individual light 
 quark masses.\n\nhttps://indico.ific.uv.es/event/1794/
LOCATION:Edf. Institutos de Investigación Sala Seminarios IFIC
URL:https://indico.ific.uv.es/event/1794/
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