Evaluation of CP-violation in HfF$^+$
A.N. Petrov (1,2), L.V. Skripnikov (1,2), A.V. Titov (1,2), and V. V., Flambaum (3) ((1) B.P.Konstantinov Petersburg Nuclear Physics Institute,, Gatchina, Leningrad district, Russia (2) Dept. of Physics, Saint Petersburg, State University, Saint Petersburg
TL;DR
This paper calculates CP violation effects in HfF$^+$ ions due to various fundamental interactions, analyzing their distinguishability and dependence on hyperfine structure, with implications for understanding CP violation sources.
Contribution
It provides detailed calculations of CP violation effects in HfF$^+$ ions, highlighting how hyperfine interactions can help differentiate between different CP-violating sources.
Findings
MQM shift can be distinguished from electron EDM and SP effects due to hyperfine dependence.
The MQM effect relates to proton EDM, QCD vacuum angle, and quark chromo-EDMs.
Hyperfine interaction plays a significant role in CP violation measurements.
Abstract
CP violation effects produced by the nuclear magnetic quadrupole moment (MQM), electron electric dipole moment (EDM) and scalarpseudoscalar nucleuselectron neutral current (SP) interaction in HfF and HfF are calculated. The role of the hyperfine interaction is investigated. It is shown that the MQM shift can be distinguished from the electron EDM and SP ones due to the implicit dependence of MQM shift on the hyperfine sublevel. The MQM effect is expressed in terms of the proton (EDM), QCD vacuum angle and quark chromo-EDMs.
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