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SUMMARY:#StudentSeminar Predictions for $\\eta_c \\to \\eta \\pi^+ \\pi^-$
  producing $f_0(500)$\, $f_0(980)$ and $a_0(980)$
DTSTART;VALUE=DATE-TIME:20170502T143000Z
DTEND;VALUE=DATE-TIME:20170502T160000Z
DTSTAMP;VALUE=DATE-TIME:20260611T082646Z
UID:indico-event-2988@indico.ific.uv.es
DESCRIPTION:We perform calculations for the $\\eta_c \\to \\eta \\pi^+ \\p
 i^-$ decay using elements of SU(3) symmetry to see the weight of different
  trios of pseudoscalars produced in this decay\, prior to the final state 
 interaction of the mesons. After that\, the interaction of pairs of mesons
 \, leading finally to $\\eta \\pi^+ \\pi^-$\, is done using the chiral uni
 tary approach. We evaluate the $\\pi^+ \\pi^-$ and $\\pi \\eta$ mass distr
 ibutions and find large and clear signals for $f_0(500)$\, $f_0(980)$ and 
 $a_0(980)$ excitation. The reaction is similar to the $\\chi_{c1} \\to \\e
 ta \\pi^+ \\pi^-$\, which has been recently measured at BESIII and its imp
 lementation and comparison with these predictions will be very valuable to
  shed light on the nature of the low mass scalar mesons.\n\nhttps://indico
 .ific.uv.es/event/2988/
LOCATION:Universe 1001-Primera-1-1-1 - Paterna. Seminario
URL:https://indico.ific.uv.es/event/2988/
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