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SUMMARY:Semileptonic D0 and D+ decays as a probe of the a0(980) nature
DTSTART;VALUE=DATE-TIME:20190227T024000Z
DTEND;VALUE=DATE-TIME:20190227T030000Z
DTSTAMP;VALUE=DATE-TIME:20260613T115403Z
UID:indico-contribution-696@indico.inp.nsk.su
DESCRIPTION:Speakers: Alexey Kiselev (Sobolev Institute for Mathematics)\n
 The decays $D^0\\to d\\bar u\\\,e^+\\nu\\to a^-_0(980)\\\,\ne^+\\nu\\to\\p
 i^-\\eta\\\, e^+\\nu$ and $D^+\\to d\\bar d\\\,e^+\\nu\\to\na^0_0(980)\\\,
  e^+\\nu\\to\\pi^0\\eta\\\, e^+\\nu$ (and the charge\nconjugated ones) are
  the direct probe of the constituent two-quark\ncomponents in the $a^\\pm_
 0(980)$ and $a^0_0(980)$ wave functions.\nRecent BESIII experiment is the 
 first step in experimental study\nof these decays. We suggest adequate for
 mulas for the data\nanalysis and present a variant of $\\eta\\pi$ invarian
 t mass\ndistribution when $a_0(980)$ has no constituent two-quark\ncompone
 nt at all.\n\nhttps://indico.inp.nsk.su/event/15/contributions/696/
LOCATION: Conference room
URL:https://indico.inp.nsk.su/event/15/contributions/696/
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