Search for Time-Reversal Violation in the beta-Decay of Polarized 8Li Nuclei
Abstract
The transverse polarization of electrons emitted in the beta-decay of polarized 8Li nuclei has been measured. For the time reversal violating triple correlation parameter we find R = (0.9 +- 2.2)x10-3. This result is in agreement with the standard model and yields improved constraints on exotic tensor contributions to the weak interaction. It also provides a new limit on the mass of a possible scalar leptoquark, mLQ > 560 GeV/c2 (90% C.L.).
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