We present the result of our most recent search for T violation in ²⁰⁵Tl, which is interpreted in terms of an electric dipole moment of the electron dₑ. We find dₑ0ex0ex=0ex0ex(6.9±7.4)×10^-28ecm, which yields an upper limit |dₑ|≤1.6×10^-27ecm with $90%$ confidence. The present apparatus is a major upgrade of the atomic beam magnetic-resonance device used to set the previous limit on dₑ.
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Regan et al. (2002) studied this question.
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