[Hps] HPS Meets March 13

[Marco Battaglieri]

Dear John,
a couple of weeks ago, talking with Stepan at JLab, we discussed the 
possibility to add to  HPS experimental setup a tagger to measure the 
scattered electron, emitted at low energy and big angle. If feasible, 
the triple coincidence (e+e- from A' and scattered e' in the expected 
position/energy range) could reduce the QED background (hopefully 
produced with a different kinematics) cleaning the data sample and 
(hopefully) increasing the sensitivity of the measurement.
Before to involve the full simulation of the experiment (including the 
em background), Misha Osipenko, a staff researcher from our group, is 
looking into the kinematics of the produced A' and correspondingly of 
the scattered e'. He would like to share with the Collaboration his 
study and present some issues he found to have a feedback form experts 
(all of you!) and/or get suggestions to contact some expert in QED 
calculations to overcome some of the simplifications and assumptions 
usually used.
Could Misha present the attached slides at the  meeting today?
Thanks in advance
cheers
Marco


Jaros, John A. wrote:
> Dear HPS,
>
> We'll meet Wednesday, March 13, at 8:30 AM PST/ 11:30 EST.
>
> Agenda:
>
> 1. News?
>
> 2. Plans for Proposal Revisions                         Chapter Editors
>     Software Chapter
>
> 3. Progress on Muon Studies                             Yuri et al.
>
> 4. Summary HPS Backgrounds                              Takashi
>
> 5. AOB
>
> Hope to talk to you tomorrow.
>
> John
>
> WEBEX information is at -
> https://confluence.slac.stanford.edu/display/hpsg/WebEx+Connection+Details+-+HPS+Weekly
>
>
>
>
> _______________________________________________
> Hps mailing list
> Hps at jlab.org
> https://mailman.jlab.org/mailman/listinfo/hps

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