2025 Spring Collaboration Meeting

Name: 2025 Spring Collaboration Meeting
Start: 2025-03-24T08:00:00-07:00
End: 2025-03-26T17:00:00-07:00
Location: UC Berkeley

24 Mar 2025, 08:00 → 26 Mar 2025, 17:00 America/Los_Angeles

UC Berkeley

Description

The major focus of this meeting is to discuss and vet our reports to the funding agencies and to identify the best path forward.

We will discuss the Chile-focused reconfiguration and the survey of the experimental landscape in the 2030s.

There will also be discussions of the Science Book, talks from junior members, and general collaboration business.

Please see the conference website for sign-up sheets for social events and lab tours.

The meeting will be held in the UC Berkeley Physics North building. (Location) For accessibility issues, please refer to this webpage.

Videoconference

2025 Spring Collaboration Meeting - Plenary

Zoom Meeting ID: 99176484397
Host: Review Committee
Zoom URL

Registration

Participants

Contact

soc@cmb-s4.org

loc@cmb-s4.org

Monday, 24 March
- 08:00 → 08:30
  
  Breakfast + name tag pickup (Room 251) 30m
- 08:30 → 09:30
  Plenary Session: Collaboration Business
  
  Conveners: Jeff McMahon (University of Chicago; FNAL), Kevin Huffenberger (Texas A&M University)
  
  Closeout Slides
  - 08:30
    
    Introduction and Logistics 10m
    
    Speakers: John Groh (LBNL), Kevin Huffenberger (Texas A&M University)
    
    Introduction & Logistics
  - 08:40
    
    Collaboration Update 50m
    
    Collaboration Update
- 09:30 → 10:30
  Plenary Session: Report on Chile Configuration
  
  Conveners: Jim Strait (Lawrence Berkeley National Laboratory;), John Carlstrom (University of Chicago;Argonne National Laboratory)
  
  Closeout Slides
  - 09:30
    
    Overview of Report 40m
    
    We will provide an overview of the Report of the CMB-S4 Project Chile-Optimization Coordination Working Group. Speaker line up: J. Carlstrom, J. Kovac, J. Nagy, B. Besuner, J. Borrill, S. Simon, K. Arnold, C. Bischoff, J. Ruhl, & B. Besuner (again).
    
    Report on Chile Configuration
    
    Report on Chile Configuration-v1.pdf
  - 10:10
    
    Discussion 20m
    
    Discussion notes
- 10:30 → 11:00
  
  Coffee Break (Room 251) 30m
- 11:00 → 12:00
  Plenary Session: Report on Experimental Landscape
  
  Conveners: Charles Lawrence (JPL), Dr Nils Halverson (University of Colorado Boulder)
  
  Closeout Slides
  - 11:00
    
    Report on Experimental Landscape 1h
    
    Speakers: Charles Lawrence (JPL), Dr Nils Halverson (University of Colorado Boulder)
    
    Report on Experimental Landscape
- 12:00 → 13:30
  
  Lunch (Room 251) 1h 30m
  
  Discussion topic: Committee reports
- 13:30 → 14:45
  Plenary Session: CMB-S4's path forward
  
  Convener: Jim Strait (Lawrence Berkeley National Laboratory;)
  
  Closeout Slides
  - 13:30
    
    Introduction 20m
    
    CMB-S4's path forward
  - 13:50
    
    Discussion 40m
    
    Discussion notes
  - 14:30
    
    Breakout orientation 15m
    
    Speaker: Kevin Huffenberger (Texas A&M University)
    
    Breakout Orientation
- 14:45 → 15:15
  
  Coffee Break (Room 251) 30m
- 15:15 → 17:00
  Breakout Session: A. (in-person) Structured small-group discussion on the path forward
  
  Breakout session notes
  
  Discussion Instructions
  - 15:15
    
    1. Alameda Island mole 1h 45m
    
    Facilitator: Lindsey Bleem
    Room: 395
    Participant digits: 00-12
  - 15:15
    
    2. Sierra Nevada snowshoe hare 1h 45m
    
    Facilitator: Sara Simon
    Room: 385
    Participant digits: 13-25
  - 15:15
    
    3. Nelson's antelope squirrel 1h 45m
    
    Facilitator: Amy Bender
    Room: 396
    Participant digits: 26-37
  - 15:15
    
    4. Island fox 1h 45m
    
    Facilitator: Colin Bischoff
    Room: 396
    Participant digits: 38-50
  - 15:15
    
    5. Giant kangaroo rat 1h 45m
    
    Facilitator: John Ruhl
    Room: 1
    Participant digits: 51-62
  - 15:15
    
    6. White-eared pocket mouse 1h 45m
    
    Facilitator: Simone Ferarro
    Room: 1
    Participant digits: 63-75
  - 15:15
    
    7. Amargosa vole 1h 45m
    
    Facilitator: Reijo Keskitalo
    Room: 1
    Participant digits: 75-87
  - 15:15
    
    8. Salt marsh harvest mouse 1h 45m
    
    Facilitator: Darcy Barron
    Room: 1
    Participant digits: 88-99
- 15:15 → 17:00
  Breakout Session: B. (remote) Structured small-group discussion on the path forward
  
  Please log in and register
  
  Zoom Meeting ID
  
  99176484397
  
  Host
  
  Review Committee
  
  Zoom URL
  
  Breakout session notes
  
  Discussion Instructions
  - 15:15
    
    1. Point Reyes mountain beaver 1h 45m
    
    Facilitator: Brad Benson
    Reporter: Alexandre Adler
    Participant digits: 00-24
  - 15:15
    
    2. Tule elk 1h 45m
    
    Facilitator: Brandon Hensley
    Reporter: Kimberly Boddy
    Participant digits: 25-49
  - 15:15
    
    3. Channel Islands spotted skunk 1h 45m
    
    Facilitator: Martina Gerbino
    Reporter: Nicholas Galitzki
    Participant digits: 50-74
  - 15:15
    
    4. Riparian brush rabbit 1h 45m
    
    Facilitator: Adam Anderson
    Reporter: Benjamin Westbrook
    Participant digits: 75-99
- 17:00 → 18:30
  
  Focus meeting: CMB-S4 Governing Board Meeting
  
  Conveners: Benjamin Schmitt (Harvard University;), Darcy Barron (University of New Mexico), Johanna Nagy (Case Western Reserve University)
- 19:00 → 21:00
  
  Outreach Event 2h
  
  7:00pm-8:00pm - Campbell 131 - Public Talk: "Chasing the Big Bang and other big questions about the Universe" (Clara Verges, John Groh, and Julien Tang)
  8:00pm-9:00pm - Stargazing on Campbell Hall's rooftop (weather dependent)
  Please register for this event here: https://tinyurl.com/5n7x9rbt
Tuesday, 25 March
- 06:30 → 08:00
  Breakout Session: C. (remote) Alternate time, remote-only structured discussion on the path forward (for Europe or US East Coast)
  
  Please log in and register
  
  Zoom Meeting ID
  
  99176484397
  
  Host
  
  Review Committee
  
  Zoom URL
  
  Breakout session notes
  
  Discussion Instructions
  - 06:30
    
    5. Yellow-cheeked chipmunk 1h 30m
    
    Facilitator: Michael Niemack
    Reporter: Kirit Karkare
    Participants: Any who need the alternative time
- 08:00 → 08:30
  
  Breakfast (Room 251) 30m
- 08:30 → 10:00
  Plenary Session: Reports back and structured whole-group discussion
  
  Convener: Kevin Huffenberger (Texas A&M University)
  
  Closeout Slides
  - 08:30
    
    Reports Back 1h 30m
    
    Tuesday Report Back Slides
- 10:00 → 10:30
  
  Coffee Break (Room 251) 30m
- 10:30 → 11:45
  Plenary Session: Report on Climate Survey and next steps
  
  Conveners: Felipe Menanteau (University of Illinois at Urbana-Champaign), Dr Sara Simon (Fermilab)
  
  Closeout Slides
  - 10:30
    
    Report on Climate Survey and Next Steps 45m
    
    Speakers: Felipe Menanteau (University of Illinois at Urbana-Champaign), Dr Sara Simon (Fermilab)
    
    Survey Results
- 11:45 → 13:15
  
  Group Photo (Outside) and Lunch (Room 251) 1h 30m
  
  Discussion topics: (1) CMB-S4's path forward and (2) the Collaboration's Climate
- 13:15 → 14:15
  Plenary Session: Junior scientist talks
  
  Conveners: Benjamin Saliwanchik (Brookhaven National Laboratory;), Darcy Barron (University of New Mexico)
  
  Closeout Slides
  - 13:15
    
    What’s the matter with Σmν? 12m
    
    Speaker: Gabriel Lynch (University of California, Davis)
    
    cmbS4_spring_talk_Gabriel_Lynch.pdf
  - 13:27
    
    Optimal Joint Reconstruction of CMB Secondaries for CMB-S4 12m
    
    Speaker: Mr Sebastian Belkner (University of Geneva;)
    
    CMBS4 spring meeting - joint secondary reconstruction.pptx
  - 13:39
    
    Improvements in Neff and isocurvature modes from CMB-S4 give meaning to future GW observations 12m
    
    Speaker: Evangelos Sfakianakis (University of Texas at Austin)
    
    Sfakianakis_CMB_S4_2025.pdf
  - 13:51
    
    Integration, Validation, and Calibration of the SO SAT 12m
    
    Speaker: Dr Tran Tsan (LBL)
    
    CMB-S4_JSAC_Talk_2025_ttsan.pdf
  - 14:03
    
    Talking Taurus 12m
    
    Speaker: Alexandre Adler (UC Berkeley/LBNL)
    
    Slides (including fun gifs)
    
    Taurus CMB-S4 Spring 2025.pdf
- 14:15 → 15:00
  Plenary Session: Discussion orientation
  
  Closeout Slides
  - 14:15
    
    Leadership synthesis of morning discussion 30m
    
    Speakers: Jim Strait (Lawrence Berkeley National Laboratory;), John Carlstrom (University of Chicago;Argonne National Laboratory), Jeff McMahon (University of Chicago; FNAL), Kevin Huffenberger (Texas A&M University), John Ruhl (Case Western Reserve University)
    
    Synthesis of morning discussion
  - 14:45
    
    Science Book / Analysis Working Group discussion orientation 15m
    
    Speakers: Prof. Colin Bischoff (University of Cincinnati), Lindsey Bleem (Argonne National Laboratory & KICP)
- 15:00 → 15:30
  
  Coffee Break (Room 251) 30m
- 15:30 → 16:30
  Breakout Session: Structured Science Book / AWG / Project path forward discussions
  
  Breakout session notes
  
  Discussion Instructions
  - 15:30
    
    Experiment Configuration 1h
    
    Please log in and register
    
    Zoom Meeting ID
    
    99176484397
    
    Host
    
    Review Committee
    
    Zoom URL
    
    Facilitator: John Ruhl
    Room: 1
  - 15:30
    
    Maps2Stats and Maps2Cell Combined Chapters Session 1h
    
    Please log in and register
    
    Zoom Meeting ID
    
    99379751580
    
    Host
    
    Maps To C_ell Working Group
    
    Zoom URL
    
    Room: 325
  - 15:30
    
    Millimeter-Wave Emissive Sources + Transients & Time Domain Astrophysics Combined Session 1h
    
    Please log in and register
    
    Zoom Meeting ID
    
    96690560463
    
    Host
    
    Sources Working Group
    
    Zoom URL
    
    Room: 385
- 18:00 → 20:00
  
  Conference Dinner (Easterly-Berkeley restaurant) 2h
  
  Discussion topic: CMB-S4's path forward
  Easterly-Berkeley, 2323 Shattuck Ave
Wednesday, 26 March
- 08:00 → 08:30
  
  Breakfast (Room 251) 30m
- 08:30 → 10:00
  Plenary Session: Reports back / Whole group discussion
  
  Conveners: Prof. Colin Bischoff (University of Cincinnati), Lindsey Bleem (Argonne National Laboratory & KICP)
  
  Closeout Slides
  - 08:30
    
    Reports Back 1h 30m
    
    Speakers: Prof. Colin Bischoff (University of Cincinnati), Lindsey Bleem (Argonne National Laboratory & KICP)
    
    Experiment Configuration
    
    Science Book
- 10:00 → 10:30
  
  Coffee Break (Room 251) 30m
- 10:30 → 11:15
  
  Plenary Session: Discussion
  
  Closeout Slides
- 11:15 → 11:45
  
  Plenary Session: Meeting close-out
  
  Closeout Slides
- 11:45 → 13:15
  
  Lunch (Room 251) 1h 30m
  
  Discussion topic: Next Steps
- 13:30 → 15:30
  
  Lab Tours 2h
  
  Tours of various campus and LBL laboratories.
  
  Sign-up sheet here: https://forms.gle/xRcMpHNXd3CVfB1r9