Seventh Physics and Astrophysics at the
eXtreme (PAX-VII) Workshop
August 23-27, 2021, Online via Zoom

Purpose and Scope: With the completion of the Cosmic Explorer Horizon Study and inclusion of the Einstein Telescope in the 2021 ESFRI Roadmap, the time is now ripe for a discussion of the next steps in the definition of the science case for the next generation of GW observatories. The purpose of PAX-VII is to better understand what the requirements are for the 3G observatory network from different science perspectives. PAX is largely a discussion-based workshop with very strong involvement of participants. The program is open for everyone to attend and participate, there will be no registration fee.

Note: If you registered for the web but did not get an email with the link to the zoom connection please get in touch with Ms. Natasha Jo Urbanik (nzu10@psu.edu) with your full name and affiliation to receive the link.

Sessions: Two 90-minute sessions each day allows a total of 8 sessions.

Format: The program will consist of a few selected presentations and moderated discussion sessions. There will be ample opportunity for discussion and time to lay the foundations for new collaborations.

Topics to be discussed:

  • Multimessenger astronomy
  • Black hole binaries from population III stars and beyond
  • Dense matter equation of state and the QCD phase diagram
  • Tests of gravity and fundamental physics
  • Astrophysical populations of compact objects
  • Dark matter candidates
  • Waveform and data analysis requirements
  • Cosmological parameters and backgrounds