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hep-ex2003★ 43 cited
Design, Commissioning and Performance of the PIBETA Detector at PSI
E. Frlez, D. Pocanic, K. A. Assamagan +41
We describe the design, construction and performance of the PIBETA detector built for the precise measurement of the branching ratio of pion beta decay, pi+ -> pi0 e+ nu, at the Pa…
hep-ex2003★ 128 cited
Precise Measurement of the Pi+ -> Pi0 e+ nu Branching Ratio
D. Pocanic, E. Frlez, V. A. Baranov +25
Using a large acceptance calorimeter and a stopped pion beam we have made a precise measurement of the rare Pi+ -> Pi0 e+ Nu,(pi_beta) decay branching ratio. We have evaluated the…