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SUMMARY:Searches for electric dipole moments of elementary particles with 
 radioactive molecules
DTSTART:20261001T083000Z
DTEND:20261001T093000Z
DTSTAMP:20261023T132300Z
UID:indico-event-14304@indico.ijclab.in2p3.fr
DESCRIPTION:Speakers: Robert Berger (Philipps-Universitaet Marburg\, Germa
 ny)\n\nThe current standard model of particle physics accommodates violati
 ons of combined parity (P) and charge reversal (C) symmetry\, one of the i
 ngredients considered fundamentally necessary to yield an imbalance in the
  abundance of matter compared to antimatter. According to common belief\, 
 however\, CP-violating effects within the standard model remain yet too sm
 all to account for the apparent predominance of matter over antimatter in 
 our universe\, which triggered the search for other sources of CP-violatio
 n beyond the standard model. One appealing route\, complementary to collid
 er experiments\, is to attempt to detect sizeable electric dipole moments 
 (EDMs) of elementary particles. Those moments require forces being odd wit
 h respect to both time-reversal (T) and parity (P) symmetry and are linked
  via that CPT-theorem indirectly to CP-violation.\nHeavy-elemental radioac
 tive molecules [1-6] have emerged in recent years as an intriguing platfor
 m to search for EDMs both in the leptonic and the hadronic sector\, becaus
 e well-chosen molecular systems allow to strongly enhance CP-violating eff
 ects caused by different sources [7]. In this talk\, I will discuss theore
 tical aspects\, progress\, opportunities and challenges in the search for 
 EDMs of elementary particles by spectroscopy of small radioactive molecule
 s and plan to indicate also briefly additional molecular routes to detect 
 new physics [8].\n[1] Isaev\, Hoekstra\, Berger\, Phys. Rev. A\, 82 (2010)
  052521.[2] Gaul\, Marquardt\, Isaev\, Berger\, Phys. Rev. A 99 (2019) 032
 509.[3] Garcia Ruiz et al.\, Nature\, 581 (2020) 396\;Udrescu et al.\, Phy
 s. Rev. Lett. 127 (2021) 03301\;Udrescu et al.\, Nat. Phys. 20 (2024) 202\
 ;Wilkins et al\, Science 390 (2025) 386.[4] Arrowsmith-Kron et al.\, Rep. 
 Prog. Phys 87 (2024) 084301.[5] Athanasakis-Kaklamanakis et al.\, 648 (202
 5) 562.[6] Zuelch\, Gaul\, Giesen\, Garcia Ruiz\, Berger\, arXiv:2203.1033
 3.[7] Gaul\, Berger\, J. High Energ. Phys. 2024 (2024) 100.[8] Zuelch\, Ga
 ul\, Berger\, arXiv:2511.10791.\n\nhttps://indico.ijclab.in2p3.fr/event/14
 304/
LOCATION:100/0-A018 - Salle Library (IJCLab)
URL:https://indico.ijclab.in2p3.fr/event/14304/
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