In this paper a new method is presented for particles in storage rings which
could reach a statistical sensitivity of 10**(-27) e cm for the deuteron EDM.
This implies an improvement of two orders of magnitude over the present best
limits on the T-odd nuclear forces ksi parameter.Comment: 5 pages. Proceedings of a talk presented at CIPANP 2003, May 19-24,
200
HI and D 2 are coexpanded into a vacuum chamber. The photolysis of HI at 212.8 nm initiates the HϩD 2 reaction. The HD͑vϭ4, JЈϭ3͒ velocity distribution is determined by analyzing the time-of-flight profile of HD ϩ ions produced by delayed pulsed field ionization of long-lived Rydberg states. The angular distribution is deduced using the law of cosines ͑photoloc technique͒.
Here we report precision microwave spectroscopy of pure rotational transitions of the 207 Pb 19 F isotopologue. We use these data to make predictions of the sensitivity of the molecule to P-odd, T-even and P-odd, T-odd effects.
We measure and simulate numerically the Hanle effect and non-zero field level crossing signals in 85 Rb and 87 Rb atoms in a magnetic field at room temperature. Diode laser radiation from 4 mW cm −2 to 3.3 W cm −2 tuned to the D 2 absorption line of each isotope excites atoms into all the excited-state hyperfine levels simultaneously inside the unresolved Doppler profile. Polarization fluorescence detection is used to observe dark and bright resonances, as well as non-zero field level crossing resonances, for several excitation lines. A broad spectral line excitation model is applied to analyse the measured signals. The non-linear Zeeman effect is included in the model for both ground and excited states. Although the applied magnetic field does not exceed 80 G, several hyperfine levels of the excited state show a substantial deviation from the linear Zeeman effect.
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