[Hps-analysis] New WABs

[Sho Uemura]

New SLIC is 10.01.p03. I don't know what validation has been done or is 
planned to make sure none of the physics we care about has changed.

On Thu, 4 Aug 2016, Maurik Holtrop wrote:

> Has the version of GEANT4 changed between the old and new SLIC?
>
> If it has, then I think there is a big reason to have enough data with both versions to make a meaningful comparison.
> We can discuss if this would also be needed as well if only the target thickness changed. I would think probably not?
>
> - Maurik
>
>> On Aug 4, 2016, at 9:40 AM, Bradley T Yale <btu29 at wildcats.unh.edu> wrote:
>>
>> Sure.
>> The old SLIC is still around, but it should be up-to-date with this one though.
>> I think it was just future stability that led to moving away from the HEAD revision (hopefully Jeremy can comment).
>> From: Sho Uemura <meeg at slac.stanford.edu>
>> Sent: Thursday, August 4, 2016 1:02:54 AM
>> To: Bradley T Yale
>> Cc: hps-analysis at jlab.org; Takashi Maruyama
>> Subject: Re: New WABs
>>
>> Is it possible to do this with both the old and new SLIC?
>>
>> On Thu, 4 Aug 2016, Bradley T Yale wrote:
>>
>>> It's no problem.
>>>
>>> I'll go ahead and make them with the updated target thickness (0.0004062 vs. 0.0004375 cm).
>>>
>>> ________________________________
>>> From: Sho Uemura <meeg at slac.stanford.edu>
>>> Sent: Wednesday, August 3, 2016 8:24:02 PM
>>> To: Bradley T Yale
>>> Cc: hps-analysis at jlab.org; Takashi Maruyama
>>> Subject: Re: New WABs
>>>
>>> The events look fine. Normalization hasn't changed much (Rafo's a and b
>>> factors are about the same). Distribution shapes don't look significantly
>>> different.
>>>
>>> Would be good to have a factor of 10 more of the pure WABs, if it's easy.
>>> I don't expect it to tell us anything new but it will make things clearer.
>>>
>>> On Mon, 1 Aug 2016, Bradley T Yale wrote:
>>>
>>>> Unweighted WAB events using the v2 generator have finished recon. Everything that contains them are labelled 'wabv2':
>>>>
>>>>
>>>> Pure WAB:
>>>>
>>>> /mss/hallb/hps/production/pass6/recon/wab/1pt05/wabv2_10to1_HPS-EngRun2015-Nominal-v4-4-fieldmap_3.8-fix_pairs1_*
>>>>
>>>>
>>>> WAB with background:
>>>>
>>>> /mss/hallb/hps/production/pass6/recon/tritrig-wab-beam-tri/1pt05/tritrigv1_NOSUMCUT-wabv2-egsv3-triv2-g4v1_HPS-EngRun2015-Nominal-v4-4-fieldmap_3.8-fix_pairs1_*
>>>>
>>>>
>>>> The ones with background also contain tritrig without an ESum generator cut, to eliminate possible errors from it.
>>>>
>>>> Once Takashi finishes tweaking the egs5 procedure to eliminate WAB double-counting, I'll rerun everything along with an updated target thickness as well, probably in a fresh directory.
>>>>
>>>>
>>>> -Bradley
>>>>
>>>
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>
>