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private:teleconsnotes20180418 [2018/04/18 14:50] – hanany | private:teleconsnotes20180418 [2018/04/25 12:41] (current) – hanany | ||
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====== Telecon Notes April 18, 2018 ====== | ====== Telecon Notes April 18, 2018 ====== | ||
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Notes by: Karl | Notes by: Karl | ||
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=== Agenda === | === Agenda === | ||
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+ | === Notes === | ||
+ | * Github Repo | ||
+ | * | ||
+ | * Report outline, 50 page limit | ||
+ | * Our Proposal was arranged by science deliverables; | ||
+ | * Current outline follows working groups, science deliverables might make more sense. | ||
+ | * CL: Organizing science around what drives the design. So grouping things slightly differently. Improves flow of science into mission design. | ||
+ | * SH: So high frequency channels (galactic science) is one of these drivers. | ||
+ | * CL: yes, OK. Make it clear. | ||
+ | * CL: Extragalactic science includes some things that are more cosmological than astronomical object. Those could be separate. | ||
+ | * CL: Complementarity also needs to be discussed. | ||
+ | * SH: Jamie advocated a joint PICO-S4 or space-ground white paper to discuss complementarity. | ||
+ | * CL: Attaching such a white paper would be effective for document to decadal. | ||
+ | * Decision: Section 3 rearrange to science deliverables. Separate science drivers and non-driving science. | ||
+ | * Also add ~0.5 page for complementarity with ground. | ||
+ | * **Shaul** will rearrange outline, so next week can discuss writing assignments and final those during workshop. | ||
+ | * AT: TeamX slides status. | ||
+ | * Instrument slides. Gave feedback, TeamX integrating comments. | ||
+ | * Probably final iteration, before release to EC. | ||
+ | * TeamX probably done in week timescale | ||
+ | * Today reviewing Mission slides. | ||
+ | * After these to rounds will release to EC. | ||
+ | * Interesting Figure from Alex Van Engelen, for APS talk. | ||
+ | * lensing potential, for EB estimator we seem to have lower noise. | ||
+ | * Bill: complementarity/ | ||
+ | * General discussion: Why does PICO do better? | ||
+ | * SH: Why S4 better at TT, PICO better at EB? | ||
+ | * Dan: PICO beam means lose modes > ell 2000-ish. Lensing connects high ell to low, so those modes are valuable. | ||
+ | * SH: Other new from science groups. | ||
+ | * Nick estimates 140k SZ clusters; within ~10k of S4. | ||
+ | * Nick also estimate 9 meV limit on neutrino mass. using cluster counts. dN/dz | ||
+ | * SH: does this make sense? | ||
+ | * Dan: If using growth of structure you can avoid the absolute calibration (tau) and potentially do better. Don't know if this is what he did. | ||
+ | * SH: dN/dz also requires z, so more further work would be needed. | ||
+ | * Nick: not doing that here, still tau limited. | ||
+ | * Dan's 14 meV is also tau limited. | ||
+ | * may be details in the calculations that account for this difference? | ||
+ | * **Nick** will look into the details. see if there is additional information being added by PICO. | ||
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