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Introduction

The HalfDome team will meet this week to recap our past year’s work and plan for the next year. The HalfDome Cosmological Simulations are tailored to the joint analysis of ongoing and upcoming cosmological surveys such as DESI, PFS, Rubin LSST, Euclid, SPHEREx, Roman, Simons Observatory, and LiteBIRD. These surveys have the potential to reach groundbreaking discoveries on multiple fronts such as the neutrino mass, dark energy, and inflation. However, these key science goals require the joint analysis of multiple datasets to break parameter degeneracies and calibrate systematics. By modeling the multi-wavelength observables in a correlated manner, our simulations are designed to enable such analyses.

Information

Time: Aug 25-29, 2025 (Monday 2pm - Friday 5pm)
Location: Kavli IPMU Balcony B (IPMU 5F); Balcony A (4F) for Friday afternoon.

Schedule

Day Time Activity
Monday 2:00 – 5:00 PM Meet & Greet, free discussion, hack
Tuesday 9:30 – 9:45 AM Welcome, introductions, goals (Adrian)
  9:45 – 12:30 PM Project updates (10 min × 12 people, with discussion & break)
  12:30 PM Group photo
  Afternoon Hack session, Team dinner @ Yokocho
Wednesday Morning Galaxies, CMB foregrounds, future surveys
  Afternoon Hack session
Thursday Morning Future simulations planning; other wavelengths (Gamma, Lya, LIM, FRB)
  Afternoon Hack session
Friday Morning Collect thoughts, path forward
  Afternoon (Balcony A, 4F) Joint discussion with PFS simulation team

Participants

Joaquin Armijo (CD3, Kavli IPMU)
Adrian Bayer (CCA / Princeton)
Linda Blot (CD3, Kavli IPMU)
Jess Cowell (CD3, Kavli IPMU / Oxford)
Chenze Dong (CD3, Kavli IPMU)
Ben Horowitz (CD3, Kavli IPMU)
Zack Li (Berkeley)
Jia Liu (CD3, Kavli IPMU)
Shivam Pandey (JHU)
Leander Thiele (CD3, Kavli IPMU)
Thomas Venville (ANU)
Yuka Yamada (UTokyo)