HEPHY eLog

Alibava/Mapsa testbeam at DESY in April 2017 (Axel, Grossi)

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Message ID: 121 Entry time: Tue Apr 18 17:55:19 2017

Alibava run	Telescope run	File existence check	Run type	Triggers	Remarks
001	562	yes	first run	250000	none
002	563	yes	central position shifted by -1 cm vertically	250000	none
003	564	yes	central position shifted by + 1cm	250000	none
004	565	yes	central position angle +10 deg	250000	none
005	568	yes	central position angle -10 deg	250000	none
006	570	yes	unknown (maybe long run over night that crashed)	?	data may be corrupted
007	579	yes	bias scan -10V	450000	run crashed data only valid up to 274915
008	583	yes	bias scan -20V	175000	none
009	586	yes	bias scan -30V	135000	none
010	587	yes	bias scan -40V	135000	none
011	588	yes	bias scan -50V	135000	none
012	589	yes	bias scan -60V	135000	none
013	590	yes	bias scan -65V	112000	none
014	591	yes	bias scan -70V	112000	none
015	592	yes	long run over night	2500000	none
016	593	yes	bias scan -75V	112000	none
017	594	yes	bias scan -80V	112000	none
018	595	yes	bias scan -90V	112000	none
019	596	yes	bias scan -110V	112000	none
020	597	yes	bias scan -120V	112000	none
021	598	yes	bias scan -130V	112000	none
022	599	yes	bias scan -140V	112000	none
023	600	yes	bias scan -150V	112000	none

Central beam position: x = 102 mm, y = 22.5 mm, rot = 240 deg

Current was stable of all runs i.e. 500 +- 10 nA at 100 V

Trigger efficiency ~ 90% for all runs (except bias scan).

Temperature in area 20+-1 deg.

Telescope chiller off for all runs.