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SUMMARY:#StudentSeminar: Three-Body Unitarity with Isobars
DTSTART;VALUE=DATE-TIME:20261016T130000Z
DTEND;VALUE=DATE-TIME:20261016T143000Z
DTSTAMP;VALUE=DATE-TIME:20261008T170336Z
UID:indico-event-8806@indico.ific.uv.es
DESCRIPTION:Abstract: We present a pedagogical derivation and exploration 
 of a three-body unitarization framework formulated in terms of isobar–sp
 ectator degrees of freedom. Our approach provides an alternative perspecti
 ve to conventional Faddeev and Khuri–Treiman methods. In particular\, we
  show how the topologies generated by a Bethe–Salpeter-like ansatz can b
 e matched to the standard connected and disconnected topologies of three-b
 ody scattering.\nWe consider the relativistic 3 → 3 scattering amplitude
  for spinless particles\, organized as an effective 2 + 1 isobar–spectat
 or system. Starting from the unitarity relations\, we derive a relativisti
 c three-dimensional integral equation that manifestly satisfies three-body
  unitarity while consistently incorporating two-body-unitary subamplitudes
 .\nFinally\, we illustrate the framework through successful applications t
 o the dynamical generation of resonances in the axial-vector Jᴾ = 1⁺ a
 nd pseudoscalar Jᴾ = 0⁻ sectors\, focusing on the a₁(1260) and K(146
 0)\, respectively. We also briefly discuss triangle singularities and thei
 r role in producing resonance-like structures\, with particular emphasis o
 n the a₁(1420).\n\nhttps://indico.ific.uv.es/event/8806/
LOCATION:Universe 1001-Primera-1-1-1 - Paterna. Seminario
URL:https://indico.ific.uv.es/event/8806/
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