[Halld-cal] Preshower information in BCAL showers

[Zisis Papandreou]

sounds like a good idea to me, for the reasons already mentioned.  Cheers…

> On Aug 25, 2016, at 12:23 PM, Mark Macrae Dalton <dalton at jlab.org> wrote:
> 
> Hi all,
> 
> There is a proposal to alter the DBCALShower object to add an additional piece of information for each shower, this being the energy deposited in the first layer.  The idea is to use this energy as “preshower" information to help with particle identification.  The proponents desire to have this included in the next analysis launch which goes next week.  No specific studies have yet been done to predict the effectiveness of this in our case, but in general it is a useful technique.
> 
> Implementing this would require a change to the REST data format to accommodate the new data member.  This would essentially be a permanent change for reasons of backwards compatibility.  These kinds of changes therefore require some amount of consensus.  So, here is your opportunity to comment.
> 
> Best,
> Mark Macrae Dalton
> 
> 
> 
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Dr. Zisis Papandreou
Professor of Physics, Ph.D., P.Phys.
---------------------------------------------------------
Department of Physics   
University of Regina	    
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Regina, SK  S4S 0A2	 CANADA

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