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  OPERATION-2023 logbook, Contact: F.Wolff-Fabris, A.Galler, L.Samoylova, H.Sinn  Not logged in ELOG logo
Message ID: 60     Entry time: 01 Mar 2023, 16:07
Author: Alexander Pelka 
Group: HED 
Subject: Shift summary 

Day shift 28.02

Got the beam, aligned it up to the TCC, mirrors in 3 mrad configuration, checked positions for the CRLs. Optimised beam at the HAPG. Beam stability was fine, energy up to 1,5 mJ at 8.2 keV, and up to 1 mJ at 9.1 keV (used for the spectrometer calibration). 

Late shift 28.02

Tune back from 9.1 to 8.15 keV, beam was a bit shifted.

Spectrometer calibration and elastic scattering showed very precise beam photon energy.

Night shift 28.02-1.03

Night was dedicated to installation and alignment of CRL4. Start pumping IC1. There were a lot of issues with carabo (HED vacuum scene) DOC is informed.

Day shift 1.03 

Continued CRL4 a and b alignment. No big issues, beam is mostly fine, energy is also fine, but sometimes beam stabilization (feedbacks) stops working and observing.

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