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BEGIN:VEVENT
UID:DSC-22969
DTSTART;TZID=Europe/Berlin:20260624T130000
SEQUENCE:1782279402
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20260624T140000
URL:https://www.dresden-science-calendar.de/calendar/en/detail/22969
LOCATION:TUD Andreas-Schubert-Bau\, Zellescher Weg 1901069 Dresden
SUMMARY:Seminar: Axions at the Intensity Frontier
CLASS:PUBLIC
DESCRIPTION:Speaker: \nInstitute of Speaker: \nTopics:\nPhysik\, Willkommen
 \n Location:\n  Name: TUD Andreas-Schubert-Bau (E19)\n  Street: Zellescher
  Weg 19\n  City: 01069 Dresden\n  Phone: \n  Fax: \nDescription: <p>I will
  present a unified study of axion and axion-like particle (ALP)\, combinin
 g precision effective field theory methods with flavor probes. Starting fr
 om generic ultraviolet completions\, we will construct the low-energy effe
 ctive theory\, derive the renormalization-group evolution from high scales
  to hadronic energies\, and obtain robust predictions for flavor-changing 
 neutral current processes such as $B\\to Ka$\, followed by visible axion p
 rompt and displaced decays into various final states\, leading to strong c
 onstraints and future sensitivities at Belle II and LHCb. This will be fol
 lowed by a systematic formulation of axion EFT in the Breitenlohner–Mais
 on–’t Hooft–Veltman (BMHV) scheme\, where the non-anticommuting natu
 re of $\\gamma_5$ in $d\\neq4$ dimensions generates evanescent operators\
 , modifies naive Ward identities\, and necessitates finite renormalization
  to restore the correct four-dimensional Ward Identities. We show how oper
 ator mixing\, ultraviolet and infrared singularities\, and effective-theor
 y matching can be treated consistently up to two-loop order\, providing a 
 transparent framework for precision calculations in axion EFT. Finally\, w
 e will conclude with some ongoing directions pertaining to the computation
  of $B\\to Ka$ form factors in the framework of Soft Collinear Effective F
 ield Theories.</p>
DTSTAMP:20260907T093534Z
CREATED:20260605T054003Z
LAST-MODIFIED:20260624T053642Z
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