[Clascomment] OPT-IN:Single and double spin asymmetries for deeply virtual Compton scattering measured with CLAS and a longitudinally polarized proton target

[burkert]

Dear Silvia,

You insist on calling the single gamma events "DVCS" events, while the 
asymmetries shown in the paper are *only non-zero* due to the 
interference of "DVCS" photon events *with "Bethe-Heitler" photon 
*events. In fact, nearly the entire double polarization asymmetry is 
given by Bethe-Heitler events (not DVCS events). Therefore, calling 
single gamma events "DVCS" events is misleading as the graph shown are 
mostly due to the presence of a large sample of Bethe-Heitler events 
interfering with a smaller sample of DVCS events.

Volker




   On 1/13/15 5:47 AM, Silvia Pisano wrote:
> Dear Volker,
>
> thanks a lot for your suggestions.
>
> We implemented most of them in the paper. For the points that need a 
> more detailed answer, please refer to the file in attachment.
>
> Thanks again for your help.
>
> Best regards,
>
> Angela, Erin and Silvias
>
>

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