Precision Measurement of Parity Violation in Polarized Cold Neutron Capture on the Proton: the Npd Gamma Experiment
AIP conference proceedings(2006)
摘要
The NPD gamma experiment(1) at the Los Alamos Neutron Science Center (LANSCE) is dedicated to measure with high precision the parity violating asymmetry in the emission after capture of spin polarized cold neutrons in para-hydrogen. The measurement will determine unambiguously the weak pion-nucleon-nucleon (pi NN) coupling constant f(pi)(1).
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关键词
hadronic weak interaction,parity violation,gamma asymmetry,pion-nucleon weak coupling
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