FWD Software

[Akio Ogawa <akio AT bnl.gov>]

Hello

PR630 https://github.com/star-bnl/star-sw/pull/630

is now merged to main GitHub with additional change in 
StFcsDbMaker::InitRun(), moving calling StFcsDb::InitRun()
outside if(mDbAccess). Manny tested this and now it should
work with both StFcsDbMaker::setDbAccess() to 0 and 1.

OGAWA, akio                 Email : akio AT bnl.gov
BrookHaven National Lab. Physics Dep. 510A 2-235
Upton, NY, 11973-5000          Tel. 631-344-5293

On Tue, 21 Nov 2023, Akio Ogawa wrote:

> Hello
>
> Okey. I finally found the cause of the problem Manny was seeing in
> StFcsTriggerSimMaker. Please see
>
> https://github.com/star-bnl/star-sw/pull/630
>
> or
>
> /star/u/akio/fcs20231121/star-sw/StRoot/StFcsDbMaker/StFcsDb.cxx
>
> Some of init code in StFcsDb had to be moveed from Init() to InitRun() since 
> it requires offset tables loaded first from DB in InitRun() of StFcsDbMaker. 
> ET gain from ET gainfile were overwrittenb by one with
> wrong detector offsets, getting crazy high gain factors (x5~x10), thus most 
> of MB events were triggering.
>
> "ET gain" calc needs xyz offsets of the detector. This ET gains are not 
> really used in analysis since recorded data is E matched. ET gain calculated 
> here are installed on DEP, and used in trigger algo. I think only offline 
> code using ET gain is the StFcsTiggerSimMaker.
>
> Please teke this and see if this now make sense.
>
> OGAWA, akio                 Email : akio AT bnl.gov
> BrookHaven National Lab. Physics Dep. 510A 2-235
> Upton, NY, 11973-5000          Tel. 631-344-5293
>
> On Wed, 1 Nov 2023, Akio Ogawa wrote:
>
> >  Hello
> >
> >  I promised to look at StFcsTriggerSimMaker for MC. I think I made
> >  it work at
> >
> >    rcas60xx:/star/u/akio/fcsmc202311/star-sw/
> >      runSimBfc.C
> >      StRoot/StSpinPool/StFcsTriggerSimMaker/*.*
> >      StRoot/StSpinPool/StFcsTriggerSimMaker/files/*.txt
> >
> >  which has updated code as well as needed text files.
> >
> >  Please use TrgVersion = 202209 for run22 and beyond.
> >
> >    fcsTrgSim->setTrigger(202209);
> >
> >  My old instruction
> >
> >   https://www.star.bnl.gov/protected/spin/akio/fcs/howto_MC_github.html
> >
> >  seems to still wrok fine with a bit of addition of copying files
> >  into your working dir
> >
> >    cp StRoot/StSpinPool/StFcsTriggerSimMaker/files/*.txt .
> >
> >  PR#618 is up with all changes
> >
> >    https://github.com/star-bnl/star-sw/pull/618
> >
> >  So until this goes through, you need to copy the code from my dir
> >  or my github repo for the PR above.
> >
> >  I checked basics, but I have not run it with large statistics and
> >  saw dostributions from QA. Please let me know if this make sense
> >  or not!
> >
> >  OGAWA, akio                Email : akio AT bnl.gov
> >  BrookHaven National Lab. Physics Dep. 510A 2-235
> >  Upton, NY, 11973-5000         Tel. 631-344-5293