Research
Radiography
Under construction.
Exotic spin-dependent interactions
Exotic spin-dependent interactions act like an effective magnetic field on spins, which can be measured by sensitive magnetometers.
"Preliminary searches for spin-dependent interactions using sidebands of nuclear spin-precession signals", https://doi.org/10.1063/5.0174672
"Proposal for the search for new spin interactions at the micrometer scale using diamond quantum sensors", https://doi.org/10.1103/PhysRevResearch.4.023162
"Experimental search for an exotic spin-spin-velocity-dependent interaction using an optically polarized vapor and a rare-earth iron garnet", https://arxiv.org/abs/2009.12292
"Sensitivity estimate of proposed searches for exotic spin-dependent interactions using polarized helium", https://arxiv.org/abs/2002.02495
"New limit on an exotic parity-odd spin- and velocity-dependent interaction using an optically polarized vapor", https://doi.org/10.1038/s41467-019-10169-1
"Experimental Constraint on an Exotic Spin- and Velocity-Dependent Interaction in the Sub-meV Range of Axion Mass with a Spin-Exchange Relaxation-Free Magnetometer", https://doi.org/10.1103/PhysRevLett.121.091802
"Search for exotic spin-dependent interactions with a spin-exchange relaxation-free magnetometer", https://doi.org/10.1103/PhysRevD.94.036002
"Search for exotic short-range interactions using paramagnetic insulators", https://doi.org/10.1103/PhysRevD.91.102006
"Laboratory Search for Spin-dependent Short-range Force from Axion-Like-Particles using Optically Polarized 3He gas", https://doi.org/10.1103/PhysRevD.87.011105
Neutrinoless Double beta decay
We searched for neutrinoless double beta decay in 76Ge.
"Energy calibration of germanium detectors for the Majorana Demonstrator", https://doi.org/10.1088/1748-0221/18/09/P09023
"Charge Trapping and Energy Performance of the MAJORANA DEMONSTRATOR", https://doi.org/10.1103/PhysRevC.107.045503
"Experimental study of 13C (α , n)16O reactions in the Majorana Demonstrator calibration data", https://doi.org/10.1103/PhysRevC.105.064610
"Axion emission from nuclear magnetic dipole transition", https://doi.org/10.1103/PhysRevD.105.015031
"ADC Nonlinearity Correction for the MAJORANA DEMONSTRATOR", https://doi.org/10.1109/TNS.2020.3043671
"Signatures of muonic activation in the Majorana Demonstrator", https://doi.org/10.1103/PhysRevC.105.014617
"Search for Tri-Nucleon Decay in the MAJORANA DEMONSTRATOR", https://doi.org/10.1103/PhysRevD.99.072004
The publication list of the collaboration, https://www.npl.washington.edu/majorana/publications
Axion Searches
We used a LC circuit to search for axions of mass ~1e-7 eV.
"Sensitivity of Proposed Search for Axion-induced Magnetic Field using Optically Pumped Magnetometers", https://doi.org/10.1103/PhysRevD.97.072011
"Sensitivity of ultralight axion dark matter search with optical quantum sensors", https://doi.org/10.1103/PhysRevD.108.052007; arXiv:2304.03418
Neutron electric dipole moment
The electric dipole moment of neutrons is extremely small and violates both P and T symmetry.
"Simultaneous π/2 rotation of two spin species of different gyromagnetic ratios", https://doi.org/10.1016/j.nima.2015.05.062
"Dressed Spin of Polarized 3He in a Cell", https://doi.org/10.1103/PhysRevC.84.022501
Cellular automata simulation for virus
Use cellular automata to simulate virus dynamics.
"A simple model of COVID-19 explains disease severity and the effect of treatments", https://doi.org/10.1038/s41598-022-18244-2
Quantum material for dark matter detectors
The extremely small band gap of the quantum material is suitable for the searches of eV dark matter.
Detector development
Simulated the performance of different detectors.
"Efficiency Studies of Fast Neutron Tracking Using MCNP", https://doi.org/10.3390/jne3020007
"Experimental demonstration of time lens photon Doppler velocimetry (TLPDV)", doi:10.1117/12.2647486
"Time-lens photon Doppler velocimetry (TL-PDV)", https://doi.org/10.1063/5.0043079
"Feasibility of hard X-ray imaging using monolithic active pixel sensors (MAPS)", https://doi.org/10.1016/j.nima.2018.09.078
"Initial assessment of multilayer silicon detectors for hard X-ray imaging", https://doi.org/10.1016/j.nima.2019.162414
"Unsupervised learning about 4D features of microparticle motion", https://doi.org/10.1063/1.5037462
"Measurement of incandescent microparticle acceleration using stereoscopic imaging", https://doi.org/10.1063/1.5034311
"Measurement of the Doubly-Polarized ~3He(~γ, n)pp Reaction at 16.5 MeV and Its Implications for the GDH Sum Rule", https://doi.org/10.1016/j.physletb.2015.09.065
Particle physics
Worked on the analysis of the rare B meson decays with BELLE
"Observation of B+ → p ̄pπ+, B0 → p ̄pK0 and B+ → p ̄pK∗+", https://doi.org/10.1103/PhysRevLett.92.131801