Meeting 22 January 2019

ACTION ITEMS

Project description: Dustin will send a writeup on Oxford work - fold in the description
Budget updates: Igor will send info on tungsten (see his email from 1/22/19), Dustin will send numbers for target based on Oxford experience
Science figures: Gabriel will try to optimize figures, e.g. for RCS try a multi-panel figure that illustrates that with CPS can take data in a region where theoretical uncertainty is large. For TCS need to project why CFF is important and why one needs these four components. Dustin will write a paragraph on this.
PEP: aim for 1-2 sentences to address each point in the list, meet during Hall A/C meeting to go over details
Bio sketches: Gabriel will send a helpful script for extracting collaborator info from databases

Take David's cleaned up tech document and see what sections to port to the article

Discussion Details

FOM figure contains only polarized target data, includes 2008 Mainz point from Igor, note that HIGS and SOLID are the same bar

Target estimate based on C. Keith's estimate, aims to have largest possible opening (new), recycle existing equipment, but replace aging pumps, separate magnets for longitudinal and transverse configurations
Dustin has a writeup from Oxford on cryogen-free solution, transversely polarized magnet, can rotate sideways and vertically, traditional design with smaller apertures
for tungsten figure used $3.5M here
tungsten inserts updates figure (1/22/19) is $122k
Target numbers - include Dustin's numbers based on Oxford
Tungsten powder - see Igor's email update

in general good to show more points do demonstrate that can do more with CPS and gives credence to FOM
need to optimize to illustrate how much more range and how difficult the measurement is
Possible improvement: make multi-panel figure, e.g. for low and high t

make unique piece jump out more
in general, why are CFF important and why do we need these four components - goes back to EM and electron scattering from a moving quark
make connection to: with new CPS technique can measure very small cross sections in this new era and now can do real electron scattering from moving quark

David H sent updated version
Use the cleaned up version and see what sections to port into/merge with the section drafts
aim for more discussion at 1 February collaboration meeting

Discussion Material

RCS-type figure (modified/remastered from the WACS proposal)
TCS-type figure (from Dustin's proposal, see above)
text file with the figure caption for these as well as an analogy between electron scattering and tennis (spin included)

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