[Hadstruct] Minutes of 6/23/2021

[David Richards]

Dear All,

Please find (very abbreviated) minutes below - also on the Wiki, where I’ve placed Nikhil’s presentation.


David

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New Member

Chris Monahan introduced a new member, Trey Anderson at William and Mary

Access to JLab.

There was discussion of accessibility to the lab - RE noted we needed to take SAF003.

Transversity

NK presented results on the Transversity. The dispersion elation was well satisfied for GS, but KO noted we couldn't really do same for 1st ES yet. Summation has smaller errors than TS fits at small z - there was discussion as to whether we are conflating statistic and systematic errors. There was some discussion re. summation vs two-state (TS) plateaux methods, and how/whether to combine the two results.

The results for the lowest (Mellin) moments vs z range showed sensitivity to a/z term for lowest moment. Fits to moments showed correlations between the data points. 2-param fits used as priors to 4-param fits. Then fits as function of number Jacobi + z range.

The results looked very impressive and ready for a Paper.

AOB

CM had reminded people that the DNP deadline was 1st July - before registration. Those intending to go should submit an abstract even if they had to withdraw later - we have lots of work to present, and therefore a good opportunity for the more junior members in particular to highlight the work.

Raza reminded us that there would be a "coffee break" Thursday PM, which would be an opportunity to wish Christos well in his new position. It would be good to meet in person before then, perhaps at WM.

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