Kia Boon Ng
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View article: High-efficiency quantum-state detection of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mrow> <mml:mi>ThF</mml:mi> </mml:mrow> <mml:mo>+</mml:mo> </mml:msup> </mml:math> with resonance-enhanced multiphoton asymmetric dissociation
High-efficiency quantum-state detection of with resonance-enhanced multiphoton asymmetric dissociation Open
Efficient quantum-state detection is crucial for many precision control experiments, such as the ongoing effort to probe the electron's electric dipole moment using trapped molecular ThF + 232 ions at JILA. While quantum-state detec…
View article: Nuclear Schiff moment of fluorine isotope $^{19}$F
Nuclear Schiff moment of fluorine isotope $^{19}$F Open
Nuclear Schiff moments (NSMs) are sensitive probes for physics beyond the Standard Model of particle physics, signaling violations of time-reversal and parity-inversion symmetries in atomic nuclei. In this Letter, we report the first-ever …
View article: Relativistic Exact Two-Component Coupled-Cluster Study of Molecular Sensitivity Factors for Nuclear Schiff Moments
Relativistic Exact Two-Component Coupled-Cluster Study of Molecular Sensitivity Factors for Nuclear Schiff Moments Open
Relativistic exact two-component coupled-cluster calculations of molecular sensitivity factors for nuclear Schiff moments (NSMs) are reported. We focus on molecules containing heavy nuclei, especially octupole-deformed nuclei. Analytic rel…
View article: Data presented in "An improved bound on the electron's electric dipole moment"
Data presented in "An improved bound on the electron's electric dipole moment" Open
Data presented in our paper "A new bound on the electron's electric dipole moment" Fig2.txt, Fig3A.txt and Fig3B.txt: x,y points for data plotted in Figures 2 and 3 of paper. dataset.mat: MAT-file containing all data in our eEDM dataset. O…
View article: A new bound on the electron's electric dipole moment
A new bound on the electron's electric dipole moment Open
The Standard Model cannot explain the dominance of matter over anti-matter in our universe. This imbalance indicates undiscovered physics that violates combined CP symmetry. Many extensions to the Standard Model seek to explain the imbalan…
View article: Systematic and statistical uncertainty evaluation of the HfF$^+$ electron electric dipole moment experiment
Systematic and statistical uncertainty evaluation of the HfF$^+$ electron electric dipole moment experiment Open
We have completed a new precision measurement of the electron's electric dipole moment using trapped HfF$^+$ in rotating bias fields. We report on the accuracy evaluation of this measurement, describing the mechanisms behind our systematic…
View article: Experimental Constraint on Axionlike Particles over Seven Orders of Magnitude in Mass
Experimental Constraint on Axionlike Particles over Seven Orders of Magnitude in Mass Open
We use our recent electric dipole moment (EDM) measurement data to constrain the possibility that the HfF^{+} EDM oscillates in time due to interactions with candidate dark matter axionlike particles (ALPs). We employ a Bayesian analysis m…
View article: Second-Scale Coherence Measured at the Quantum Projection Noise Limit with Hundreds of Molecular Ions
Second-Scale Coherence Measured at the Quantum Projection Noise Limit with Hundreds of Molecular Ions Open
Cold molecules provide an excellent platform for quantum information, cold chemistry, and precision measurement. Certain molecules have enhanced sensitivity to beyond standard model physics, such as the electron's electric dipole moment (e…
View article: Control and imaging of molecular quantum states with second-scale coherence
Control and imaging of molecular quantum states with second-scale coherence Open
Cold molecules provide a platform for a variety of scientific applications such as quantum computation, simulation, cold chemistry, and searches for physics beyond the Standard Model. Mastering quantum state control and measurement of dive…
View article: Data for: Visible and Ultraviolet Laser Spectroscopy of ThF
Data for: Visible and Ultraviolet Laser Spectroscopy of ThF Open
LIF data with SF6.csv, all low resolution LIF raw data, including ThF and ThO LIF data without SF6.csv, all low resolution LIF raw data, including ThO only REMPI data.csv: all low resolution REMPI raw data High resolution data.csv: all hig…