[clas12_rgk] Isupov results: 2 gamma Invariant mass

[burkert]

Hi all,
You may be able to increase the eta yield by allowing the 2-gammas in 
different sectors, otherwise the acceptance for eta's will be limited as 
they have much larger minimum opening angles than pi0's.

Volker

   On 7/7/19 1:57 PM, Viktor Mokeev wrote:
>
> Dear Colleagues,
>
>
> Evgeny Isupov repeated selection of gvp p--->pi^0p'---> gamma gamma p' 
> events from the same data set and with the same selection criteria as 
> FX did. His results for 2gamm inv masses are consistent with FX.
>
>
>  Best Regards,
>
> Victor
>
>
>
> ------------------------------------------------------------------------
> *From:* Evgeny Isupov <e.l.isupov at gmail.com>
> *Sent:* Sunday, July 7, 2019 1:17 PM
> *To:* Viktor Mokeev
> *Subject:* 2 gamma Invariant mass
> Hi Victor Ivanovich,
>
> I used FX’s cuts and plotted 2 gamma invariant mass.
> On the right you can see the same plot only in log scale,
> we can clearly see the eta meson signal.
>
>
> Evgeny Isupov
>
>
>
> This body part will be downloaded on demand.


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