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A Precision Measurement of the Neutral Pion Lifetime via the Primakoff EffectJefferson Lab Experiment E99-014PrimEx Collaboration
Eric R. I. Clinton
Rory Miskimen, PhD., Advisor
Given at NNPSS, June 15, 2005
Agg = aNc / ( 3pfp )
GCL= mp3|Agg|2 / ( 64p ) = 7.725 +- 0.044eV
GCL = 7.725 +- 0.044eV
GPDG = 7.84 ± 0.556eV
-There are three reactions that allow us to conveniently measure the po decay width.
q ~ mp 2/(2Ep 2)