UMICH-2015: Dark Energy / Gravity / Dark Matter

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Co-Coordinators: Bill Holzapfel & Wayne Hu

  • Explore the interplay between methods, models, and metrics in defining CMB S4 modality for these dark materials

Moderators and Goals:

  • break-out session 1: Rob Caldwell
    • What CMB S4 observations can be used to distinguish mechanisms of cosmic acceleration?
    • What observations can be used to falsify a cosmological constant?
    • What are the complementary probes?
  • break-out session 2: Brad Benson
    • What are the cosmological constraints on dark energy, modified gravity, and neutrinos from a CMB-S4 SZ cluster survey?
    • What synergies will there be with other multi-wavelength surveys?
    • How many clusters (vs mass and redshift) will CMB-S4 detect? How will this vary with specs and foregrounds?
    • How well can we calibrate cluster masses and with which techniques?
  • break-out session 3: Francesco de Bernardis & Cora Dvorkin
    • Which kSZ measurements are realistic? How to implement proper forecasts?
    • What parameters space should be explored with kSZ?
    • How do kSZ probes compare to others in terms of constraints?
    • How do forecasts on Dark Matter annihilation change when including foregrounds?
    • How much can we tighten the constraints on <sigma v>/m by adding prior information?
    • What other dark matter scenarios can we learn about from the CMB? (baryon/dark matter interactions, a complex dark sector, dark matter scattering with neutrinos...)

Break-out sessions:

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