[Takahashi, Aritomi, Yuefan, Matteo,Yuhang, Eleonora]

Today with the help of Takahashi-san we opened the BS and PR chambers.

First goal was to check a possible touching of the intermediate mass.

PR chamber

We found the intermediate mass was almost touching the magnet cage. Takahashi-san adjusted the cage position to leave more space between the cage and the intermediate mass. From the spectra taken before and after there is no evidence of improvement (pic1), but the spectra after the change have been taken with the chamber still open. So we will repet the measument in vacum to confirm the results.

BS chamber 

BS intermediate mass seems fine.

The second activity was the assesment of losses inside PR chamber, from viewport, Faraday, dichroic mirror etc. Aritomi and Yuhang will report about that.

We closed the BS chamber and left the PR one open with the cleanboth. We wll close it tomorrow moring.