Re: [Brahms-dev-l] Acceptance maps

Hi Ionut,

if you find problems/bugs in the code, you can send me an email about
it, so I can fix it, if you don't want to...

Cheers,
	Truls

On Thu, 2007-01-11 at 11:07 +0100, i.c.arsene_at_fys.uio.no wrote:
>    Hi Hans,
> 
>    I cannot say exactly what is the problem with the new version. I also
> encountered the bug in the error calculation function which returns
> nan. Hongyan actually pointed me to that. I am using an older version
> of banapp which i modified. The weird thing is that i did not modify
> anything in the acceptance code for some time and i remember that i
> could generate maps without problems. Now i can't anymore. Is it
> posible that the problem is generated by something external? like the
> database?
> 
>             Ionut
> 
> 
> > Hi
> >
> > This is indeed surpeising; but it could depend on whatever fiducial cuts
> > have been applied. Did you overwrite the old maps ?
> > The old code certainly had a problem in so far it did not include the dead
> > slats in tofw which is crucial for PID, but this effect
> > would in fact not lower the yeilds, so my gueass it has to do with
> > fiducial cuts.
> > On the FS part I have not tried the new banapp. It sounds we really should
> > compare new/old. I still have the old version around
> > and have generated maps, so this may be feasible.
> > I cc the answer to the list because others may have clues to this, and or
> > comments.
> >
> > Flemming
> >
> > --------------------------------------------
> > Flemming Videbaek
> > Physics Department
> > Bldg 510-D
> > Brookhaven National Laboratory
> > Upton, NY11973
> >
> > phone: 631-344-4106
> > cell:       631-681-1596
> > fax:        631-344-1334
> > e-mail: videbaek @ bnl gov
> >   ----- Original Message -----
> >   From: Hans Hjersing Dalsgaard
> >   To: Flemming Videbaek
> >   Sent: Wednesday, January 10, 2007 7:18 PM
> >   Subject: Acceptance maps
> >
> >
> >   Hi Flemming,
> >
> >   After generating new MRS maps, my yields in the MRS dropped some 20 % !
> > The maps I used before were generated half a year ago or something like
> > that....I must admit I was a little surprised. I do not understand how
> > the MRS maps apparently changed so much in this brief time ?
> >
> >   Furthermore, using the latest version of banapp, I am unable to generate
> > FS maps due to some bug in the error minimization. The calculation gets
> > stuck at "nan %" ...so far I have been unable to track the bug.
> >
> >   Do we have some up-to-date maps for the 62 GeV data somewhere on rcas?
> > Using these would rule out any error I might commit in generating the
> > maps....
> >
> >   Regards,
> >
> >   Hans
> > _______________________________________________
> > Brahms-dev-l mailing list
> > Brahms-dev-l_at_lists.bnl.gov
> > http://lists.bnl.gov/mailman/listinfo/brahms-dev-l
> >
> 
> 
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