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Search for Time-Reversal Violation in theβDecay of PolarizedLi8Nuclei
2003
Physical Review Letters
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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, m_LQ > 560 GeV/c^2 (90
doi:10.1103/physrevlett.90.202301
pmid:12785884
fatcat:vg63tq6a7ra6hov4occrzufuhi