[Halld-cal] Eta fit

Elton Smith elton at jlab.org
Thu Sep 17 14:52:54 EDT 2015


Hi Tegan,

Thanks for posting these. I assume the label with the run numbers covers 
the entire data set used?

Thanks, Elton.

Elton Smith
Jefferson Lab MS 12H3
12000 Jefferson Ave STE 4
Newport News, VA 23606
(757) 269-7625
(757) 269-6331 fax

On 9/17/15 1:13 PM, beattite wrote:
> I guess here also are the fits for the amorphous radiator runs 
> (ARDATA.pdf) and for the diamond radiator runs (DRDATA.pdf).  the AR 
> runs alone give a bit wider of a fit (~ 39 MeV) and a bit lower mean.  
> About 3/4 of the statistics of the total fit from last message come 
> from the DR runs.
>
>
> On 17.09.2015 10:56, beattite wrote:
>> Here's a fit to the eta mass.  It's a Gaussian plus 5th degree 
>> polynomial.
>>
>> Mean ~ 537 MeV, Width ~ 33.5 MeV.
>
>
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