[Frost] eloss update

[Eugene Pasyuk]

Steffen,

It might help to track this down if you use lab angle instead of c.m. 
angle. This way it will be directly related to CLAS geometry.

-Eugene

Steffen Strauch wrote:
> Dear Brian,
> 
> I ran my code (pi+ n channel) with your updated energy-loss routines.  
> The results are now added in the collection at (page 3):
> 
> http://www.jlab.org/Hall-B/secure/g9/g9_strauch/mtg/20091021.pdf
> 
> The latest results are different from the previous ones. It seems that  
> the Delta Missing Mass distributions are more flat over a wider range  
> in angles. That's good. Very nice is the significant improvement of  
> the missing mass resolution. Earlier, the energy-loss correction  
> worsened the missing-mass resolution. This is now fixed. However, at  
> the very backward angles (in c.m.) the neutron missing mass is still  
> substantially off. With 10 MeV - 20 MeV, I wonder if this is energy  
> loss or not something else. Particularly, as these effects are present  
> at all energies.
> 
> Thanks for your work,
> Steffen
> 
> 
> On Oct 29, 2009, at 2:57 PM, Brian Morrison wrote:
> 
>> Hey all,
>>
>> Made some drastic changes to the targets.F function and some tweaks  
>> to the
>> FROST.F and momcor.F functions in the CVS (latest versions should be
>> available).  Let me know if you come across any problems.
>>
>> -Brian
>>
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> 
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