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Rapid Response Workshop on the Strong CP Problem

→ Europe/Zurich
ON Line only (CERN)

ON Line only

CERN
Andrea Caputo, Tim Cohen (CERN)
Description

The Strong CP problem has long been one of the most compelling windows into physics beyond the Standard Model. In light of recent, partially conflicting, works about the topic, we organize a Rapid Response online Workshop targeting the broad European Astroparticle Theory comunity through EuCAPT. The event will host members of three different groups delivering short talks, followed by a panel discussion.

Everyone is welcome! The event will be streamed over zoom. 
Before and during the event, everyone is encouraged to post and vote on questions and comments on the Slido page for the event.

Confirmed speakers: 

  • Bjorn Garbrecht [Technische Universität München]
  • Joshua N. Benabou [Theoretical Physics Group, Lawrence Berkeley National Laboratory, Berkeley]
  • David E. Kaplan [Department of Physics & Astronomy, The Johns Hopkins University]

Discussion session moderated by

  • Tim Cohen [CERN]

Confirmed panel members:

  • Raffaele Tito D'Agnolo
  • Massimo D'Elia 
  • Nick Dorey
  • Edward Witten

 

    • 15:30 → 15:35
      EuCAPT Welcome 5m
      Speaker: Andrea Caputo
      ChatZoomStrongCPevent.pdf
      Recording
      RRW_intro.pdf
    • 15:35 → 15:55
      Bjorn Garbrecht about 2001.07152, 2403.00747 20m
      Speaker: Björn Garbrecht
      onlinedec25.pdf
      Recording
    • 15:55 → 16:04
      Questions for Garbrecht 9m
      Recording
    • 16:04 → 16:24
      Joshua N. Benabou about https://arxiv.org/abs/2510.18951 20m
      Speaker: Joshua Benabou (University of California, Berkeley / Lawrence Berkeley National Lab)
      Recording
      Strong_CP_PDF.pdf
    • 16:24 → 16:33
      Questions for Benabou 9m
      Recording
    • 16:33 → 16:53
      David Kaplan about https://arxiv.org/abs/2505.08358 20m
      Speaker: David Kaplan (Johns Hopkins University)
      Recording
      Strong CP Thoughts.pdf
    • 16:53 → 17:02
      Questions for Kaplan 9m
      Recording
    • 17:02 → 17:05
      Optional remarks from speakers 3m
      Recording
    • 17:05 → 17:27
      Discussion Session: Moderated by Tim Cohen 22m
      Speakers: Edward Witten (School of Natural Sciences, Institute for Advanced Study, Princeton), Massimo D'Elia (University of Pisa), Nicholas Dorey (Unknown), Raffaele D'Agnolo (CEA IPhT Saclay), Tim Cohen (CERN)
      Recording
    • 17:27 → 17:30
      Final remarks from the speakers 3m
      Recording
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