From adev@jlab.org Sun Jun 14 09:37:48 1998 Date: Sun, 14 Jun 1998 07:54:17 -0400 From: Robert Michaels Subject: Hall A Beamtime Accounting Hall A Shift Summary 6/14/98 0000-0800 Experiment #: E93-027 Shift Leader: Punjabi, Ransome Shift Workers: Jaminion, Fleck, Besson, Green,Quemener ==========================================================================| | Start hour of shift | | ------------------------------------------------|Total | 0000 0100 0200 0300 0400 0500 0600 0700 |Time | ==========================================================================| Beam available | | | | | | | | | | and acceptable | 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 | -------------------------------------------------------------------|------| Beam available | | | | | | | | | | but not requested | 1.00| 1.00| 1.00| 1.00| 0.00| 0.00| 0.00| 0.00| 4.00 | -------------------------------------------------------------------|------| Beam not | | | | | | | | | | available | 0.00| 0.00| 0.00| 0.00| 1.00| 1.00| 1.00| 1.00| 4.00 | ==========================================================================| Experiment | | | | | | | | | | ready | 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 | -------------------------------------------------------------------|------| Configuration | | | | | | | | | | change | 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 | -------------------------------------------------------------------|------| Experiment | | | | | | | | | | not ready | 1.00| 1.00| 1.00| 1.00| 1.00| 1.00| 1.00| 1.00| 8.00 | ==========================================================================| Data | | | | | | | | | | Taking | 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 | ==========================================================================| ==========================================================================| Not Ready: | | | | | | | | | | Target | 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 | -------------------------------------------------------------------|------| Not Ready: | | | | | | | | | | HRSe | 0.00| 0.00| 0.00| 0.00| 1.00| 1.00| 1.00| 1.00| 4.00 | -------------------------------------------------------------------|------| Not Ready: | | | | | | | | | | HRSh | 1.00| 1.00| 1.00| 1.00| 1.00| 1.00| 1.00| 1.00| 8.00 | -------------------------------------------------------------------|------| Not Ready: | | | | | | | | | | Data Acq | 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 | -------------------------------------------------------------------|------| Not Ready: | | | | | | | | | | Other | 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 | ==========================================================================| Comments: Problem with Hadron VDC were fixed at about 00:40 Then discovered problem with Hadromn arm magnets. All Magnets on Hadron arm reading about zero helium level. 4:00 Things go from bad to worse. ESR crash, target warming up. Magnets are all down. Power restored to hadron arm at 5:30, but refigerator down, magnets warming up. 6:50, ESR back. 8:00 Target back, magnets cooling Data Entry by: Ransome