[Frost] Missing EPIC bank in g9a DSTs?

[Stuart Fegan]

Hi Franz,

Now the GlueX meeting is out the way (or at least my talk is) I can find 
a bit of time to look into this.  I'll work out what runs have EPIC 
missing in the DST and see if I can regenerate them from the BOS files.

Cheers,

Stuart


On 18/06/18 16:51, Franz Klein wrote:
> Stuart,
>
> I checked the DSTs of pass1/v2 and found that 'EPIC' was only included for the cohbrems data after run 55804 (1.3GeV edge), only the last 5 runs for 1.3GeV edge and all cohbrems runs aftwerwards have the EPIC bank.
> You are right, something is screwed up here!
> Franz
>   
> ----- Original Message -----
> From: "Stuart Fegan" <s.fegan.glasgow at gmail.com>
> To: "Franz Klein" <fklein at jlab.org>
> Cc: "Chan Kim" <kimchanwook at gwu.edu>, "frost" <frost at jlab.org>
> Sent: Sunday, June 10, 2018 7:12:26 PM
> Subject: Re: [Frost] Missing EPIC bank in g9a DSTs?
>
> Hi Franz,
>
> That would make sense in theory, but here's a counter-example; linpol
> run number 55699 (1.3 GeV) it only exists in v2 and the file on /mss has
> no EPIC bank, although it does in my thesis skim version
>
> Like I say, this may just be a few runs I was unlucky enough to take as
> my first choice, I'll only know for sure if/when I cache everything and
> redo the skim.  I was just hoping to just pull a few raw data files down
> to my laptop and prototype the skims I'm trying locally while I get the
> archaic version of rootbeer I have installed on CUE to play nice with
> the version of ROOT all my GlueX work currently depends on :-)
>
> I'll keep everyone updated if this looks like becoming an actual problem
> and not a possibly imagined one.
>
> Cheers,
>
> Stuart
>
>
> On 09/06/18 23:21, Franz Klein wrote:
>> Stuart, it took a while to get a few files cached. The calibration for
>> pass1/v1 wasn't good for the linear data (and EPIC, etc were missing).
>> You should take the newest version for any run: v2 has EPIC bank and
>> slightly improved calibration (mostly TOF and 1-2 T-counter channels).
>> Sorry I didn't remember the details ... and I only checked out a few
>> files since yesterday afternoon. But I hope my answer is sufficient
>> for now ... Franz ----- Original Message ----- From: Stuart Fegan To:
>> frost at jlab.org Sent: Fri, 08 Jun 2018 09:49:20 -0400 (EDT) Subject:
>> [Frost] Missing EPIC bank in g9a DSTs? Hi FROST, I've been looking at
>> some of the g9a files on tape recently, just a few, but there doesn't
>> seem to be an EPIC bank in any of the ROOT DSTs I've looked at so far
>> (/mss/clas/g9a/production/pass1/v1/ROOT/).  Without an EPIC bank, my
>> current analysis code can't work out diamond orientations, or look up
>> the polarisation tables.  I thought I'd been unlucky and just picked
>> random runs that had no EPIC bank, but I cross-referenced my archives
>> and tried another one I know was in my analysis. Still nothing. Before
>> I spend days figuring this out, I thought I'd check with the rungroup
>> and see if anyone knows/remembers what's going on. Does the EPIC
>> information (at least for diamond orientation and coherent peak
>> position) survive in another bank?  Or should I be going back to the
>> BOS files? If anyone's interested in what I'm trying to do, I'm trying
>> to verify that the strangeness skims I have from my PhD are still
>> valid, as I produced them many years ago primarily as a way to make
>> the data more manageable.  I'm sure I didn't throw any events away at
>> the time, but I decided to make sure before producing new results.
>> I'm also looking to duplicate Hideko's pi0 analysis as a sanity check
>> for some work one of the GW grad students (Chan Kim) is currently
>> doing on the same channel, so a skim for that would be useful too.
>> Hope someone can help, and that it's something really stupidly easy
>> that I should have worked out myself with a little thought... Cheers,
>> Stuart -- Dr Stuart Fegan Honorary Research Associate Nuclear Physics
>> Group University of Glasgow (Currently at George Washington
>> University) E-mail: s.fegan.glasgow at gmail.com
>> _______________________________________________ Frost mailing list
>> Frost at jlab.org https://mailman.jlab.org/mailman/listinfo/frost

-- 
Dr Stuart Fegan
Honorary Research Associate
Nuclear Physics Group
University of Glasgow
(Currently at George Washington University)

E-mail: s.fegan.glasgow at gmail.com