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SUMMARY:Seminar\, Hajime Otsuka (Kyusyu U.)
DTSTART;VALUE=DATE-TIME:20251113T043000Z
DTEND;VALUE=DATE-TIME:20251113T053000Z
UID:989165699831
DESCRIPTION:Title: Application of non-invertible selection rules to flavor
  physicsAbst:In this talk\, I will discuss the application of non-invertib
 le selection rules to flavor physics.We find novel texture structures in t
 he Yukawa couplings of quarks and leptons that cannot be realized by conve
 ntional group-theoretic (invertible) symmetries. Furthermore\, a particula
 r Yukawa texture arising from these non-invertible selection rules address
 es the strong CP problem within the Standard Model.Such non-invertible sel
 ection rules may naturally originate from string compactifications such as
  type IIB superstring theory on toroidal orbifolds as well as heterotic st
 ring theory on Abelian and non-Abelian orbifolds\, where the selection rul
 es for matter fields exhibit non-invertible features. In this talk\, I wil
 l also introduce these top-down approaches and discuss their implications 
 for flavor model building.10月31日
LOCATION:721
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