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SUMMARY:prof. dr hab. Alexander Korchin (UJ): Spin-correlation effects in 
 the tau-lepton pair induced by anomalous magnetic and electric dipole mome
 nts
DTSTART:20260417T081500Z
DTEND:20260417T090000Z
DTSTAMP:20260429T155600Z
UID:indico-event-450@indico.fis.agh.edu.pl
DESCRIPTION:Abstract:\n\nI discuss the influence of electromagnetic and we
 ak dipole moments on spin-spin correlations in the tau pairs produced in q
 uark-antiquark and photon-photon processes. Such processes have been obser
 ved in the pp and heavy-ion collisions at the LHC. Extensions of the Stand
 ard Model amplitudes\, including the tau dipole moments\, are implemented 
 in the TauSpinner MC program.This also allows us to test a possible phase-
 shift between vector and axial-vector couplings of the Z boson to tau lept
 ons. Relation between New Physics contributions to the dipole momen and th
 e Standard Model EFT is briefly addressed. A few examples of observables s
 ensitive to the tau-tau spin correlations and dipole moments will be prese
 nted.\n\n \nImportant: This seminar is held in building D-11 room 104.
  \n\nhttps://indico.fis.agh.edu.pl/event/450/
URL:https://indico.fis.agh.edu.pl/event/450/
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