Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
1998-01-26
Physics
High Energy Physics
High Energy Physics - Experiment
Presentation at the International Workshop on Kaon, Muon, and Neutrino Physics and the Future at KEK, Japan, October 31-Novemb
Scientific paper
We have designed a new experiment (E923) at the BNL-AGS to search for the T-violating polarization of the muon normal to the decay plane of the KMU3 decay. The experiment aims to search for T-violation beyond the Standard Model; such a search is motivated by the need for a stronger CP violation source to account for the baryon asymmetry of the Universe. The experiment will be performed with in-flight decays from an intense (2.10e7 K/sec) 2 GeV/c separated K+ beam in an existing beam-line at the AGS. We expect to analyze more than 10e9 events to obtain the sensitivity of (delta P_t = +-0.00013) at 1 sigma, corresponding to the sensitivity of +-0.0007 to Im(xi), an improvement by 40 over the present limit on the same measurement. This paper describes the motivation for this experiment as well as other measurements of the same type. The experimental technique and the sensitivity is also described.
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