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hep-ex2008★ 1 cited
Precise Measurement of pi+ -> e+ nu Branching Ratio
E. Frlež, L. P. Alonzi, V. A. Baranov +23
The PEN Collaboration is conducting a new measurement of the pi+ -> e+ nu branching ratio at the Paul Scherrer Institute, with the goal uncertainty of delta B/B(pie2)=5E-4 or lower…
hep-ex2008★ 74 cited
New Precise Measurement of the Pion Weak Form Factors in the Pi+ -> e+ nu gamma Decay
M. Bychkov, D. Počanić, B. A. VanDevender +29
We have measured the branching ratio over a wide region of phase space, based on a total of 65,460 events acquired using the PIBETA detector. Minimum- fit…