Re: motivation for tracking resolution

["Daniel S. Carman" <carman@jlab.org>]

Elton,

I like the items on the list that you have come up with.  Is the
plan to try to complete this work before the Feb. 1 mini-review?


				Regards,

					Daniel


**********************************************************************
*                                                                    *
* Dr. Daniel S. Carman                   e-mail : carman@jlab.org    *  
* Staff Scientist                        office : (757)-269-5586     *
* Jefferson Laboratory                   web: www.jlab.org/~carman   *  
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On Fri, 11 Jan 2008, Elton Smith wrote:

> 
> This morning Curtis, Alex, Mark and I met to think about what parametric
> studies might be useful to study tradeoffs in resolution for different
> amounts of material and position resolution.
> 
> We have the following suggestion:
> 1. Update the parametric representation for resolution (polynomial
> fits) that currently exists to one that includes parameters that can be
> interpreted physically in terms of material and position resolution.
> 2. Generate a four-pion events with two of the pions representing a narrow
> resonance with variable mass. Scanning this mass can give us two-pion mass
> resolution for charged tracks over a range of masses.
> 3. Generate Phythia events with similar topoly for merging with the
> "signal" events above to study the effect of signal to background and
> resoltuion.
> 4. Alex will start on process 2&3 and Elton and Mark will develop 1 for
> input into the simulation.
> 5. CMU will use 1 to generate an error matrix that can be used for
> kinematic fitting of the same events, and repeat the exercise 3 using
> kinematic fitting.
> 
> From there we can work toward including neutrals in the sample to study
> reconstruction of events with pi+pi-pi0 such as omegas.
> 
> Comments/suggestions?
> 
> Elton Smith
> Jefferson Lab MS 12H5
> 12000 Jefferson Ave
> Suite # 16
> Newport News, VA 23606
> elton@jlab.org
> (757) 269-7625
>