A search for T-violating transverse muon polarization (P(T)) in the K+-->pi(0)mu(+)nu decay was performed using kaon decays at rest. A new improved value P(T)=-0.0017+/-0.0023(stat)+/-0.0011(syst) was obtained giving an upper limit |P(T)|<0.0050. The T-violation parameter was determined to be Imxi=-0.0053+/-0.0071(stat)+/-0.0036(syst) giving an upper limit |Imxi|<0.016.
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| http://dx.doi.org/10.1103/PhysRevLett.93.131601 | DOI Listing |
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New limit on the T-violating transverse muon polarization in K+-->pi0mu+nu decays.
Phys Rev Lett
September 2004
Institute of Applied Physics, University of Tsukuba, Ibaraki 305-0006, Japan.
A search for T-violating transverse muon polarization (P(T)) in the K+-->pi(0)mu(+)nu decay was performed using kaon decays at rest. A new improved value P(T)=-0.0017+/-0.
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