Run Meeting: Oct 29th, 2018

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3:30PM Run Meeting, Counting house meeting room (200C)

RC: Carlos Ayerbe

Summary of past 72h:

Friday 26th

Accelerator

no relevant incidents.

Swing shift

Right HRS was alive and getting data

In the last hour of Day Shift, MCC reported that our beam dump diffuser blower tripped (https://logbooks.jlab.org/entry/3615333). Jessie entered and after discuss with experts we enounter that was just a miscalibrated sensor (https://logbooks.jlab.org/entry/3615390)

~18:00 DAQ computers crashed and solved after calling Alex

Right Arm detectors started to show noisy peaks, Florian was called and solved (temporarily) switching off T6.

Rest of the shift as normal

Saturday 27th

Accelerator

Owl shift

Smooth shift

Day shift

Smooth shift

Swing shift

Smooth shift

Sunday 28th

Accelerator

Owl shift

data production

~6:30 changed kinematics to study lower side QE peak studies with RHRS

LHRS took the same data without changing its kinematics

During the ramping down of RHRS, LHRS was taking 3He data

Day shift

same program started before.

very nice beam

Swing shift

continue with DIS measurements

~18:00 LQ2 trip off, solved after a call to Jack (https://logbooks.jlab.org/entry/3616641 , https://logbooks.jlab.org/entry/3616650 )

Jack found a strange behavior on LQ2 to be investigated (https://logbooks.jlab.org/entry/3616662)

~23:20 LQ3 trips during the change of momentum (https://logbooks.jlab.org/entry/3616798)

After called Jack, we (Shujie and Carlos) enter into the Hall with ARM to reset LQ3 succesfully (https://logbooks.jlab.org/entry/3616868)

Owl shift

more data production

Day shift

END of E12-11-112 (xB > 1)

START of E12-17-003 (e,e'K) Hypernucleus

We have the hall in Restricted Access.

Dave Meekins warm up target

Many set ups, maintenance, and upkeeps.

Plan:

As soon most of the work is done, we should move to Controlled Access.

Target is expected to be cooled down tomorrow morning and ready around noon.

Shifts are cancelled until half DAY shift

Slides/Links

MCC scheduling Whiteboard: http://accboard.acc.jlab.org/

Tritium wiki page: https://wiki.jlab.org/tegwiki/index.php/Main_Page

nnΛ experiment wiki page: https://wiki.jlab.org/tegwiki/index.php/NnL_wiki

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