[Hps-analysis] mad5VSdata!

[Luca Colaneri]

Yes, Ecal and SVT shouldn't be that inconsistent.

Here's what happens if I use |p| rather than E.

Also, notice that in reading the data there is still a (Ep + Em)<1.05 
GeV cut, but...

I'm sending both pdfs with different names.

L.


Il 26/07/16 17:07, Maurik Holtrop ha scritto:
> Hello Sho,
>
> Sorry for my ignorance here, but shouldn’t the E and |p| be very close for an electron or positron, given that m~0 ?
>
> So if the ECal energy is far off from the tracking absolute momentum, this would indicate that either the fiducial cuts are not working, or the tracking is giving incorrect momenta, or the ECal is giving incorrect energies?  I am probably missing something here.
>
> Thanks,
> 	Maurik
>
>
>> On Jul 26, 2016, at 10:10 AM, Sho Uemura <meeg at slac.stanford.edu> wrote:
>>
>> 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.
>>>
>>>
>>>
>>>
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-- 
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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