Run summary for commissioning in spring 2016

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Revision as of 12:21, 19 February 2016 by Oulongwu (Talk | contribs) (Elastic production runs)

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BPM calibration runs (Bull's eye scan)

Relative position LHRS CODA run RHRS CODA run Harp scan entry no.
(0,0) 12454 21781 3379157
(2,2) 12455 21782 3379165
(2,-2) 12456 21783 3379172
(-2,-2) 12457 21784 3379184
(-2,2) 12458 21785 3379191
(0,0) 12459 21786 3379201

BCM calibration runs

LHRS CODA run RHRS CODA run BCM logger
12514 21807 /a/opsuser/hacuser/BCMLOG/bcm_log_02-16-2016-20-07-42.log

Elastic production runs

  • 2nd Pass (Ebeam = 4.5 GeV)
Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Comment
21799 15cm LH2 2 x 2 mm2 4.481 1.547 52.91 5.5 Only one set of raster coils is in use; ps1,2,3=1, ps8=100
21809 - 21820 15cm LH2 2 x 2 mm2 4.481 1.547 52.91 5.5 Only one set of raster coils is in use; ps1,2,3=1, ps8=100; Signals for 16 straws missing in all three V planes
21824 - 21831 15cm LH2 2 x 2 mm2 4.481 1.547 52.91 5.5 Same as above
21832 15cm LH2 2 x 2 mm2 4.481 1.547 52.91 5.5 Beam tripped in the middle of this run, production only lasted for an hour (run time is about 3 hours); same as above
21844 - 21857 15cm LH2 2 x 2 mm2 4.481 1.547 52.91 5.5 Straw chamber issues in V2 plane still exist