pi/p photon yield and separation power with cookies and grease
- CERN 18
- pi/p at 7 GeV/c
- S403 S430, bar with 3-layer spherical lens
- Cookies location: bar-cookie-lens-cookie-prism
- Cookies material: RTV615
- phi = 0 degree
- Time imaging reconstruction with data-based PDFs
Photo from test beam:
![](/~rdzhigad/data/prt/j18/cookie/2018-08-10-11-27-04.jpg)
Geant4 simulation example:
![](/~rdzhigad/data/prt/j18/cookie/prt_cookie.png)
Photon yield with 0-35 ns time window (data with cooikies are shown with triangle):
![](/~rdzhigad/data/prt/j18/cookie/nph_403_430.png)
Separation power (data with cooikies are shown with triangle):
![](/~rdzhigad/data/prt/j18/cookie/sep_403_430.png)