[Hallb] [EXTERNAL] CLAS12 Shifts Schedule

Bryan McKinnon Bryan.McKinnon at glasgow.ac.uk
Tue Mar 14 09:47:15 EDT 2023

Dear all

The shifts schedule for the upcoming run periods has been published and can be viewed here:


The periods are as follows:

17 July - 17 September RG-D
18 September - 22 September Configuration Change
23 September - 17 December RG-K
18 December - 14 January (2024) Break
15 January - 18 March RG-E

The schedule has been generated from 15 July 2023 right through to 18 March 2024 with the holiday break accounted for, an additional 2 days at the start for the algorithm and the configuration change period staffed at the request of Hall-B (PDL).

The result is 220 days, 6 shifts per day, 660 expert + 660 worker, 1320 shifts in total (330 blocks).  

The allocation takes account of an institutes number of members and translates this to number of shifts. Rounding (up or down) does happen in order that every institute gets at least some allocation. There are other elasticities built-in such that the algorithm works.

The numbers look ok.
The swaps and trade features allow you to sort your allocation in to a form you are happy with. Please also remember that a third option exists: ask a fellow collaborator nicely for a favour.

The swap periods are defined as follows:

Foreign: now until Monday 8 May
Domestic: Tuesday 9 May - Monday 12 June
Allowing Locals the remaining time to get themselves organised. This is an ~ 8:5:5 week split which is fair in my eyes.

Trades (bilateral agreements between institutes): are always open to all for all time. Please remember that it is most appropriate to request Trades within the same category (Expert for Expert, Worker for Worker).

Shifts sign-up is now open but if there is a possibility that your shifts may be part of a swap, it is better to wait before making any personnel assignments.

If you have any issues with the interface, please do not hesitate to contact me mckinnon at jlab.org <mailto:mckinnon at jlab.org>

If you have any issues filling your allocation, please contact me mckinnon at jlab.org <mailto:mckinnon at jlab.org> and the PDLs for this allocation Nathan baltzell at jlab.org <mailto:baltzell at jlab.org>, Daniel carman at jlab.org <mailto:carman at jlab.org> and Stepan stepanya at jlab.org <mailto:baltzell at jlab.org>



Dr. Bryan McKinnon

Nuclear and Hadron Physics Research
School of Physics and Astronomy
University of Glasgow
G12 8QQ
Scotland UK

Tel: (+44/0) 141-330-7226

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