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SUMMARY:$B\\to K^*$ decays in a finite volume
DTSTART;VALUE=DATE-TIME:20160726T130000Z
DTEND;VALUE=DATE-TIME:20160726T132000Z
DTSTAMP;VALUE=DATE-TIME:20210925T162320Z
UID:indico-contribution-2376@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Akaki Rusetski (HISKP\, University of Bonn\, Germany
)\nWe propose a framework for the extraction of the $B\\to K^*$ decay form
factors from lattice data\, based on the non-relativistic effective field
theory in a finite volume. A possible admixture of the $\\eta K$ channel
is studied\, and the multi-channel Lellouch-Luescher formula is reproduced
. Further\, a procedure is\nformulated for the extraction of the form-fact
ors at the resonance pole. The definition of the photon virtuality at the
resonance pole is discussed. The limit of an infinitely narrow resonance i
s investigated in detail in the multi-channel case.\n\nhttps://conference.
ippp.dur.ac.uk/event/470/contributions/2376/
LOCATION:Highfield Campus\, University of Southampton Building 67 Room 100
3
URL:https://conference.ippp.dur.ac.uk/event/470/contributions/2376/
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