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SUMMARY:Aspects of twist-2 superfield operators in N=1 SYM theory
DTSTART:20260427T090000Z
DTEND:20260427T103000Z
DTSTAMP:20260503T105800Z
UID:indico-event-51453@agenda.infn.it
DESCRIPTION:Speakers: Giacomo Santoni (Istituto Nazionale di Fisica Nuclea
 re)\n\nTwist-2 operators are fundamental for the study of deep inelastic s
 cattering in QCD because they dominate the operator product expansions on 
 the light-cone. Recently\, it was discovered that the Euclidean UV-asympto
 tic generating functional of the connected correlators of twist-2 operator
 s provides highly nontrivial constraints on the yetto-come nonperturbative
  solution of large-N SU(N) YM theory. We extend these results to N=1 super
 symmetric Yang-Mills (SYM) theory by providing a new construction of twist
 -2 operators in terms of covariant superfields. This construction is manif
 estly gauge-invariant and SUSY-covariant\nand makes their one-loop renorma
 lization and mixing properties considerably transparent. We compute\ntheir
  asymptotic renormalization-group improved generating functional in Euclid
 ean superspace and its planar and leading nonplanar large-N expansion. We 
 verify that the leading nonplanar asymptotic renormalization-group improve
 d generating functional matches the structure of logarithm of a functional
  superdeterminant of the corresponding nonperturbative object arising from
  the glueball/gluinoball effective action\, which it should be asymptotic 
 to at short distances because of the asymptotic freedom.\n \n \n \n \n
  \n \n \n \n \n\nhttps://agenda.infn.it/event/51453/
LOCATION:Aula A1 (Laboratori Nazionali di Frascati)
URL:https://agenda.infn.it/event/51453/
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