[Halla_pi0] pi0 meeting

[Richard A. Lindgren]

okay we meet at 11:00 AM Today.
Richard


On Thu, 16 Aug 2012 07:24:29 -0400 (EDT)
  Cole Smith <lcs1h at imap.phys.virginia.edu> wrote:
> 
> 
> Can we make it 11 am?  I have a meeting at JLAB at 9-10.
> 
> 
> 
> On Wed, 15 Aug 2012, richard lindgren wrote:
> 
>> Hi,
>> I missed the important point that the kinematics below where the signal is 
>>so poor correspond to those kinematics where the cone for the range of W 
>>given is outside the coverage by HRS and BigBite. A,B,C, and D all 
>>correspond to BigBite at -54 degrees where
>>
>>
>> I plotted out Coles plots on my printer for all kinematics A-I for two 
>>W=1.07375 MeV and 1.07875 MeV above threshold. It is quite obvious we 
>>should toss out some runs due to poor signal to noise. In most of these 
>>cases the early runs are the bad ones A,B C and D kinematics. but not all. 
>>There are some exceptions. Look at the ones I tabulated below. We will not 
>>lose much in  statistics in doing this, but we might reduce the 
>>fluctuations in the data.
>> We can discuss this at the meeting.
>>
>> For W=1.07375
>> Neglect J1 and B1 compared to G1
>> Neglect C1 compared to F1 and K1
>> Neglect D1 compared to E1 and L1
>> Neglect I1 compared to H1 and A1
>>
>> For W= 1.07875
>> Neglect B1 compared to J1 and G1
>> Neglect C1 compared to F1 and K1
>> Neglect D1 compared to E1 and L1
>> Neglect A1compared to H1 and I1
>>
>> Richard
>>
>> Dr. Richard A Lindgren
>> Research Professor of Physics
>> Department of Physics
>> University of Virginia
>> 382 McCormick Rd
>> Charlottesville, VA 22904
>> ral5q at virginia.edu
>>
>>
>>
>>
>>
>>
>>
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Dr. Richard A. Lindgren
Research Professor of Physics and
Director of Masters of Arts in Physics Education Program
Institute of Nuclear and Particle Physics
Department of Physics
University of Virginia
P.O. Box 400714
Charlottesville, VA 22904-4714
UVa Office 434-982-2691
JLab Office 757-269-6233
Cell           434-227-0884
Home        434-977-2825
Fax           434-924-4576
email  ral5q at virginia.edu