[G12] Minutes from 11/04/09 meeting

[Eugene Pasyuk]

Read the logbook:
http://clasweb.jlab.org/clasonline/servlet/newloginfo?
action=logentry&entryId=25546
It explains T20 anomaly in the tagger occupancy and has a recipe for
making it efficient.

-Eugene



On Wed, 2009-11-04 at 13:29 -0500, Craig Bookwalter wrote:
> Hi folks,
>   Minutes from today's meeting can be found at:
> 
> http://clasweb.jlab.org/rungroups/g12/wiki/index.php/04Nov09
> 
> and pasted below.
> 
> 
> 
> Agenda
> 
>     * Review last week's meeting minutes
>     * Pass1 status (FSU/JLab)
>     * Tagger energy study (motivated by Craig's beam energy spectrum shown
> here)
>           o Plots from before (56410) and after (56490) the `major'
> trigger change. Plots are from a skim of pi+pi+pi- events. The
> notch seems to be at the same place where the paddle sizes
> change (t_id == 19).
>     * Other items
> 
> 
> Minutes
> 
>     * Attending: Valery, Dennis, Johann, Mike, Diane, Craig, Paul, Mukesh,
> Ben
>     * We are approaching the 50% mark in pass1 cooking at JLab.
>     * Discussion on the tagger energy distribution was inconclusive --
> Dennis would like to see a beam energy plot normalized for counter
> size; it would also be nice to get Eugene Pasyuk involved to hear what
> he thinks about what's going on. We would also like to look at the
> output from g12_monitor to confirm this is a global problem. Valery
> thinks it make be a bug in the software.
>     * Mike is working on benchmarking 32 vs 64 bit builds on a 64 bit
> platform -- currently a1c is giving only the HEAD, EPIC, and TESC
> banks.
> 
> 
> 
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