New limits on time-reversal invariance from the hyperfine structure of thallium fluoride

D. Schropp; D. Cho; T. Vold; E. A. Hinds

doi:10.1103/PhysRevLett.59.991

New limits on time-reversal invariance from the hyperfine structure of thallium fluoride

D. Schropp, D. Cho, T. Vold, E. A. Hinds

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

We have made a very precise test of time-reversal invariance using nuclear-spin resonance in a thallium fluoride molecular beam. We searched for a shift of the 120-kHz Tl resonance when an external electric field was reversed relative to the nuclear spin and found it to be (-2.2±2.1)×10-3 Hz, less than 0.02 ppm and a fivefold improvement over any previous measurement. Our result imposes new constraints on the proton electric dipole moment and on CP nonconservation in strong and weak interactions.

Original language	English
Pages (from-to)	991-994
Number of pages	4
Journal	Physical review letters
Volume	59
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.59.991
Publication status	Published - 1987
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.59.991

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AU - Cho, D.

AU - Vold, T.

AU - Hinds, E. A.

PY - 1987

Y1 - 1987

N2 - We have made a very precise test of time-reversal invariance using nuclear-spin resonance in a thallium fluoride molecular beam. We searched for a shift of the 120-kHz Tl resonance when an external electric field was reversed relative to the nuclear spin and found it to be (-2.2±2.1)×10-3 Hz, less than 0.02 ppm and a fivefold improvement over any previous measurement. Our result imposes new constraints on the proton electric dipole moment and on CP nonconservation in strong and weak interactions.

AB - We have made a very precise test of time-reversal invariance using nuclear-spin resonance in a thallium fluoride molecular beam. We searched for a shift of the 120-kHz Tl resonance when an external electric field was reversed relative to the nuclear spin and found it to be (-2.2±2.1)×10-3 Hz, less than 0.02 ppm and a fivefold improvement over any previous measurement. Our result imposes new constraints on the proton electric dipole moment and on CP nonconservation in strong and weak interactions.

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New limits on time-reversal invariance from the hyperfine structure of thallium fluoride

Abstract

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