[Pi0tff] calibration

[Eugene Pasyuk]

Hi Liping,

I mean real Compton scattering with photon beam.

-Eugene
From: Gan, Liping <ganl at uncw.edu>
Sent: Saturday, August 26, 2023 15:06
To: prad at jlab.org; pi0tff at jlab.org; Eugene Pasyuk <pasyuk at jlab.org>
Subject: [EXTERNAL] Re: calibration

Hi, Eugene,

Do you mean the virtual Compton scattering with an electron beam? If yes, we will need measure three particles in the final state, not two particles as we did for the case of PrimEx.

best,
Liping


________________________________
From: PRad <prad-bounces at jlab.org<mailto:prad-bounces at jlab.org>> on behalf of Eugene Pasyuk via PRad <prad at jlab.org<mailto:prad at jlab.org>>
Sent: Friday, August 25, 2023 6:35 PM
To: prad at jlab.org<mailto:prad at jlab.org> <prad at jlab.org<mailto:prad at jlab.org>>; pi0tff at jlab.org<mailto:pi0tff at jlab.org> <pi0tff at jlab.org<mailto:pi0tff at jlab.org>>
Subject: [PRad] calibration


[This email originated from outside of UNCW]

I have one more idea for HyCal calibration. If we use pi0 photoproduction, we simultaneously will have Compton scattering on atomic electrons. Remember we did this in PrimEx with the dipole magnet off. Nice 2-body reaction.



-Eugene
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