Argonne-2018: Cosmology with CMB-S4

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Workshop overview

The CMB-S4 workshop at Argonne continues the successful series of workshops that bring together the CMB community to plan a coordinated, stage-4 ground-based CMB experiment.

The program for the two days of the main workshop will be developed below.

Meeting Info And Registration

ANL website with registration, lodging info, participants, logistical information

About this wiki

As for previous workshops, we will use this wiki to organize the sessions and to capture the input from the sessions, and develop next steps. Initial page stubs will be provided for each break-out session. The wiki will be used during the break-out sessions, and also for the plenary session. Participants are encouraged to edit the wiki directly, including uploading plots or a few slides.

Hints for formatting this wiki can be found here:


Working draft agenda below. Check back for updates

CMB S4 Workshop March 5-6 (all day) with splinter group meetings on March 7 morning

Monday, March 5

8:00 Coffee
8:30 Welcome Remarks

Morning goals: Establishing Collaboration

09:00 - 10:30 Block 1 Plenary
Governance Bylaws and Discussion
[Coordinators: ICCC co-chairs]
[Speakers: ICCC, governance wg leads]

10:30 - 11:00 Coffee Break

11:00 - 12:30 Block 2 Plenary
Definitions and procedures for Governance Bylaws ratification, positions and nominations, voting, etc.nominating, etc; What is an ombudsperson? What is a X? What is a science council? …
[Coordinators: see block 1]
[Speakers: governance wg leads, election organizer/method, experts on roles for what is an “x”]

12:30 - 01:30 Lunch

Afternoon goals: Project planning and preparation for decadal

01:30 - 03:30 Block 3 Plenary
Project Planning: pPDG, Timeline and Milestones, Preparing for Decadal Survey, science and documents
[Coordinators: pPDG chair Yeck, ICCC co-chairs, pPDG chair Yeck]
[Speakers: pPDG,role of agencies, Yeck; CDT member to review strawman plan xx?; Milestones and timeline XX or in one of other talks; Decadal prep and DID, reference design vs options, need for expanded science, plan for parallel sessions; Planning for 2nd edition of Science Book; Talk on an overview of the expanded science case]

Lessons learned from Stage 3, Simons Obs, PICO for planning CMB-S4 (TBD)

03:30 - 04:00 Coffee Break

04:00 - 05:30 Block 4 Plenary
Technology Development Working Group update: goals, status, timeline; relation to simulations and forecasting groups
[Coordinator: Brad Benson] [Speakers: Ahmed, Suzuki, Clarence, TD wg leads… ; relation to sims/forecasting Knox?]

06:00 - 08:00 (verify times) Reception and Poster Session

CMB Science Poster Session: There will be a poster session held during the reception the first night of the CMB-S4 Collaboration Meeting. We encourage posters that cover CMB-S4 science topics as well as new analysis and technical results from current CMB experiments. Early career scientists (esp. graduate students, postdocs), new participants in the CMB-S4 process, or anyone who enjoys discussing new science over food and drinks are highly encouraged to submit a poster. Posters will remain up for the length of the meeting. Following the procedure at the last workshop, each poster presenter will be given a one minute to speak to give the highlights of their poster(s). One minute per person, no matter how any posters.
[Coordinators: LOC)]

Tuesday, March 6

8:00 Coffee
8:30 Announcements

Morning goals: Towards the CDR for the Decadal Survey

Parallel Sessions:
(not requesting standard talks, but actionable steps for advancing CMB-S4, especially for the decadal input document and the 2nd edition of the Science Book)

Charge for Readout; Detectors; Telescopes; Cryostat and cold optics; and Reference design parallel sessions:
The goal is to determine as much of the reference design for CMB-S4 as possible at this workshop.
[1] Starting with the major systems or components and work toward the details, i.e., type of detectors, then materials:
- For what parts of the reference design do we have consensus?
- For which major parts of the reference design are you not able to reach consensus? Why?
- Keeping in mind that the reference design is not the final design, what information is needed so that a decision can be made by end of March.
[2] What are viable options that may be considered? (viable includes ready when critical designs need to be made)
- Which do we want to mention in the decadal input and why?
- (Suggestion: prior to the workshop, the parallel session coordinators and other interested parties circulate some information about what sorts of things we’d hope could reach consensus during the workshop, e.g., which FPGA does not have to be settled now.)

Charge for parallel sessions related to extending the science case for the Decadal CDR:
The goal is to set the path for drafting new chapter(s) for the revised science book to cover extending the science case, this will also be used for the decadal survey input document.
[1] Determine the chapters topics (titles) and outlines, i.e., scope.
[2] Determine the needed simulations and forecasting, as well as key measurement requirements.
[3] Identify core people to do the work for completing draft by November

(Tentative) Charge for simulations and forecasting parallel sessions:
(not looking for standard talks, but actionable steps for advancing CMB-S4, especially for the decadal input document and the 2nd edition of the Science Book)
The goal is to identify the forecasting requirements, schedule, and responsibilities for the coming project definition phase, with a particular focus on the immediate needs of the decadal survey input document and the extended science book.
[1] Inform the definition of the reference configuration and options
[2] Determine how to extend the realism of the forecasting instrument and observation models to reflect the detailed reference configuration and options
[3] Determine how to extend the reach of the forecasting data sets to support the full spectrum of science goals

08:45 - 09:45 Block 5 Parallel sessions P1
- P1-1 Detectors [T. Cecil]
- P1-2 Telescopes and Mounts [Coordinator: N. Halverson]
- P1-3 Extending the Science case for the Decadal CDR [TBD]
- P1-4 Forecasting - Delensing [Coordinators: C. Pryke & B. Sherwin]

09:45 - 10:45 Block 6 Parallel sessions P2
- P2-1 Readout [Coordinator: A. Bender]
- P2-2 Cryostat and cold optics [Coordinator: A. Vieregg]
- P2-3 Forecasting - the extended Science case for the Decadal [Coordinators: N. Battaglia & C. Hill]

10:45 - 11:15 Coffee Break

11:15 - 12:45 Block 7 Parallel sessions P3 (note this session is 50% longer)
- P3-1 Status of reference design overview from P1 and P2: [Coordinator: J. Ruhl]
- P3-2 Forecasting - Instrumentation / systematics for the Decadal input document [Coordinator: C. Bischoff]
- P3-3 Forecasting - Sky Modeling [Coordinator: R. Flauger]

12:45 - 01:45 Lunch

01:45 - 03:00 Block 8 Plenary
Reports from parallel sessions (which sessions? i.e., P3-1 covers P1-1, P1-2, P2-1 and P2-2)

03:00 - 03:30 Coffee break

Afternoon goals: next steps for establishing collaboration; Decadal Survey preparation goals for next 6 months

03:30 - 05:30 Block 9 Plenary
[Coordinators: TBD]
You are welcome to stay for a night of wild adventure - TBD

Wednesday, March 7

(splinter group meetings)
08:00 Coffee
08:30 - 12:00 TBD
(Need to reach out to possibly interested groups; do we want ICCC face to face? DID leads/groups?, Decadal Input Document writing group; 2nd Edition Science Book; pPDG?)