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10:30pm Running parasitically outside beam. YARRproducer is strobing with beam trigger correctly building events. Also saw some noise hits in the data (yesterday's tests had no hits at all which sounded a bit suspicious but could be noise just very low still).
00:00 T577 done for the night. Moved in Caladium for beam with RD53A A97 as DUT at 0 degree angle (perpendicular), and mounted with RD53A X = Calladium X.
00:30 Talk to operator to get higher particle rate for latency scan. Open up slit had rather little effect in brining update but opening up collimator had more desired change to increase the beam spot from 2x2mm to covering about half of MIMOSA plane, and 80 pixel hits/MIMOSA (~50 particles).
00:35 LCLS primary experiment wants to change primary beam energy. Beam off temporarily, but will return for same 8 GeV secondary setup for ESTB.