[G14_run] CLAS CVS: packages/eloss HDICE.F HDICEupstream.F

Eugene Pasyuk pasyuk at jlab.org
Fri Apr 11 18:28:31 EDT 2014


Hi Peng, 

A couple of things. 
Your pions are contaminated with electrons/positrons. You should clean this up. 
What do you use as a vertex? Is it vertex from MVRT bank or something else? 
Those low losses bands look like the "vertex" might be out of the target or may be even out of the IBC. Take a look at x-y distribution of your vertices. 

-Eugene 

----- Original Message -----

> From: "Peng Peng" <pp9e at virginia.edu>
> To: "Dr. A.M. Sandorfi" <sandorfi at jlab.org>, "g14 run"
> <g14_run at jlab.org>
> Sent: Friday, April 11, 2014 5:11:12 PM
> Subject: Re: [G14_run] CLAS CVS: packages/eloss HDICE.F
> HDICEupstream.F

> Dear All,

> I did some eloss study with the new compiled eloss package as Franz
> suggested. The results showed two bands in the E_loss vs |P| plots
> for all three particles as shown in the following file,
> https://userweb.jlab.org/~peng/eloss_4_11.pdf

> Best,
> Peng

> On Apr 11, 2014, at 1:44 PM, Dr. A.M. Sandorfi wrote:

> > FW: [G14_run] Fwd: CLAS CVS: packages/eloss HDICE.F HDICEupstream.F
> 
> > Peng,
> 
> > Could you rerun your eloss tests as well?
> 
> > Thanks,...Andy
> 

> > ------ Forwarded Message
> 
> > From: Franz Klein < fklein at jlab.org >
> 
> > Date: Thu, 10 Apr 2014 21:27:45 -0400
> 
> > To: g14 run < g14_run at jlab.org >
> 
> > Subject: [G14_run] Fwd: CLAS CVS: packages/eloss HDICE.F
> > HDICEupstream.F
> 

> > Folks,
> 
> > when I corrected the target position based on our reconstructed
> > data
> > (-0.8cm upstream from the drawing), I used a simple loop to correct
> > all positions ... BUT this loop was executed every time the routine
> > was called (i.e. as Eugene pointed out: the target moved slowly
> > backward out of CLAS - which obviously did not happen).
> 
> > I corrected this stupid mistake ...
> 

> > Please redo the eloss shared lib again (the code in /home/clasg14
> > is
> > corrected):
> 
> > cd rootbeer2.1
> 
> > make eloss_clean
> 
> > make eloss
> 

> > And Dao and Haiyun, please do your eloss tests again.
> 

> > Franz
> 

> > -------- Original Message --------
> 
> > Subject: CLAS CVS: packages/eloss HDICE.F HDICEupstream.F
> 
> > Date: Thu, 10 Apr 2014 21:15:22 -0400
> 
> > From: fklein at jlab.org (Franz Klein)
> 
> > To: ungaro at jlab.org , juengst at jlab.org , fklein at jlab.org ,
> > lcsmith at jlab.org , pasyuk at jlab.org
> 

> > fklein
> 
> > Thu Apr 10 21:15:22 EDT 2014
> 
> > Update of /group/clas/clas_cvs/packages/eloss
> 
> > In directory ifarm1102:/u/home/fklein/offline/packages/eloss
> 

> > Modified Files:
> 
> > HDICE.F HDICEupstream.F
> 
> > Log Message:
> 
> > correct a very stupid mistake of mine!
> 

> > _______________________________________________
> 
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> 
> > G14_run at jlab.org
> 
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> 

> > ------ End of Forwarded Message
> 

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