Recent Log Entries

RF Module Downloads

Log Number: 3534408Logbook(s): Body: COMMENTS: Failed first attempt


The following module files were successfully downloaded
sl147d

RF Module Downloads

Log Number: 3534407Logbook(s): Body: COMMENTS: RFCM replaced due to loss of GMES while tuning. Got to 1.5Mv/m before dropping to 0.00. -7DB out of RFCM.


The following module files were successfully downloaded
sl147e

iocea1mag restored

Log Number: 3534406Logbook(s): Tags: Body: myRestore 2.12 Target restore date was 2018-02-19 09:03:11 The output from the myRestore execution was as follows: iocea1mag magnet_MAG 205(205) restored Pause: 2 seconds magnet_HVAL 100(100) restored Pause: 2 seconds magnet_LOOP 100(100) restored Pause: 2 seconds magnet_CMPQ 205(205) restored system 2(2) restored Execute: /usr/csite/certified/bin/ced2Epics -ced ced -A -s -i iocea1mag (success)

iocea1mag restored

Log Number: 3534405Logbook(s): Tags: Body: myRestore 2.12 Target restore date was 2018-02-19 09:56:03 The output from the myRestore execution was as follows: iocea1mag magnet_MAG 205(205) restored Pause: 2 seconds magnet_HVAL 100(100) restored Pause: 2 seconds magnet_LOOP 100(100) restored Pause: 2 seconds magnet_CMPQ 205(205) restored system 2(2) restored Execute: /usr/csite/certified/bin/ced2Epics -ced ced -A -s -i iocea1mag (success)

iocea1mag restored

Log Number: 3534401Logbook(s): Tags: Body: myRestore 2.12 Target restore date was 2018-02-19 08:57:44 The output from the myRestore execution was as follows: iocea1mag magnet_MAG 205(205) restored Pause: 2 seconds magnet_HVAL 100(100) restored Pause: 2 seconds magnet_LOOP 100(100) restored Pause: 2 seconds magnet_CMPQ 205(205) restored system 2(2) restored Execute: /usr/csite/certified/bin/ced2Epics -ced ced -A -s -i iocea1mag (success)

iocea1mag restored with warnings

Log Number: 3534400Logbook(s): Tags: Body: myRestore 2.12 Target restore date was 2018-02-19 08:57:01 The output from the myRestore execution was as follows: iocea1mag magnet_MAG The following do not have write permission MBC3S05H.BDL MBC3S05HRESALARM.B MBC3S05V.BDL MBC3S05VRESALARM.B MBC3S07H.BDL MBC3S07HRESALARM.B MBC3S07V.BDL MBC3S07VRESALARM.B MBC3S08H.BDL MBC3S08HRESALARM.B MBC3S08V.BDL MBC3S08VRESALARM.B MBC3S09H.BDL MBC3S09HRESALARM.B MBC3S09V.BDL MBC3S09VRESALARM.B MBC3S10H.BDL MBC3S10HRESALARM.B MBC3S10V.BDL MBC3S10VRESALARM.B MBC5S05H.BDL MBC5S05HRESALARM.B MBC5S05V.BDL MBC5S05V

RF separator DMES

Log Number: 3534391Logbook(s): Entry Makers: beneschBody: 

While the forward power values drift a lot for cavities 2 and 4 in vertical separator, the DMES (not GMES) values are quite stable. SME says these are what count. Vertical position variations seen at start of C line in linked entry likely have another cause. Alas, the mystery remains.

checking if laser tails account for Injector Synch Light differences

Log Number: 3534390Logbook(s): Entry Makers: marcyBody: 

Tails on lasers have been suggested as a potential cause of the different beam profiles on the synch light monitor in the injector.

Figure 1 before any work, Figure 2 prior slit positions.

Look at laser spots on chopper viewer to determine if there is a tail on a laser:
Figure 4: A laser with Prebuncher off
Figure 5: B laser with Prebuncher off
Figure 6: C laser with Prebuncher off
Figure 7: D laser with Prebuncher off

Figure 8: A, B, and C with Prebuncher on.

No major laser tails evident, prebunching looks fine from a quick glance.

RF Recovery Day

Log Number: 3534376Logbook(s): Entry Makers: suhringBody: 

Two tasks will be done in parallel:
Check of the INJ laser phases/setup
and
SLinac RF Recovery

When the front end of the machine is deemed beam worthy, work will begin on the NLinac RF Recovery.

Additionally, the Hall C CW viewer camera will be replaced and the Hall C BLA cavity heating system will be investigated.

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