[Hps-analysis] mad5VSdata!

[Luca Colaneri]

I removed all info from Ecal, now it's just |p| everywhere....now 
everything looks wierder..


Il 26/07/16 17:44, Sho Uemura ha scritto:
> Yes, the comparison is consistent. But changing to SVT momentum (and 
> getting rid of the E(e-)+E(e+)<1.05 cut you have) will make the plots 
> consistent with everyone else's.
>
> Luca: The ECal energy is not completely corrected for edge effects 
> (that is impossible). So the (large) fraction of pair events near the 
> edges of the ECal often have ECal energies that are lower than the SVT 
> momenta, so an Esum distribution made with the ECal will always be 
> missing a lot of stuff at high Esum.
>
> Maurik: Luca's plots do not have a tight fiducial cut. It is 55 mrad 
> >= |theta_y| >= 15 mrad.
>
> On Tue, 26 Jul 2016, Luca Colaneri wrote:
>
>> ok, good to know. Still, I did the same on MC, so at least the 
>> comparison is consistent.
>>
>> Why using Ecal rather tha svt makes it so different?
>>
>>
>> Il 26/07/16 16:10, Sho Uemura ha scritto:
>>> I think I see a problem - you're histogramming the electron and 
>>> positron energies (which come from the ECal) instead of the momentum 
>>> magnitude. That explains why your esum distribution for data looks 
>>> funny.
>>>
>>> On Tue, 26 Jul 2016, Luca Colaneri wrote:
>>>
>>>>
>>>> Good news everyone!
>>>>
>>>> mad5 recon data looks good! pdf in attachment
>>>>
>>>> I also attach the piece of code I've been using so far to read 
>>>> recon data (both exp and MC)  using the slcio c++ api.
>>>>
>>>>
>>>> Bests
>>>>
>>>> L.
>>>>
>>>>
>>>>
>>>>
>>
>> -- 
>> Luca Colaneri, PhD
>> Post-doctorant/ Computational Platforms Consultant
>> Institut de Physique Nucléaire d'Orsay / University of Connecticut
>> Contacts: luca.colaneri at roma2.infn.it
>>          colaneri at jlab.org
>>          colaneri at ipno.i2p3.fr
>>

-- 
Luca Colaneri, PhD
Post-doctorant/ Computational Platforms Consultant
Institut de Physique Nucléaire d'Orsay / University of Connecticut
Contacts: luca.colaneri at roma2.infn.it
           colaneri at jlab.org
           colaneri at ipno.i2p3.fr

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