D. Adhikari
A5006486924- Nuclear physics research studies
- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Particle Detector Development and Performance
- Advanced NMR Techniques and Applications
- Nuclear Physics and Applications
- Particle accelerators and beam dynamics
- Ultrasound and Cavitation Phenomena
- Pulsars and Gravitational Waves Research
- Particle Accelerators and Free-Electron Lasers
- Water Treatment and Disinfection
- Atomic and Subatomic Physics Research
- Magnetic confinement fusion research
- Medicinal Plant Studies
- Adsorption and biosorption for pollutant removal
- Crystallography and Radiation Phenomena
- Atomic and Molecular Physics
- High-pressure geophysics and materials
Virginia Tech
2023-2024
Idaho State University
2021-2022
Thomas Jefferson National Accelerator Facility
2021
Tribhuvan University
2012-2017
We report a precision measurement of the parity-violating asymmetry $A_{PV}$ in elastic scattering longitudinally polarized electrons from $^{208}$Pb. measure $A_{PV}=550\pm 16 {\rm (stat)}\pm 8\ (syst)}$ parts per billion, leading to an extraction neutral weak form factor $F_W(Q^2 = 0.00616\ GeV}^2) 0.368 \pm 0.013$. Combined with our previous measurement, extracted neutron skin thickness is $R_n-R_p=0.283 0.071$~fm. The result also yields first significant direct interior density...
We report a precise measurement of the parity-violating (PV) asymmetry A_{PV} in elastic scattering longitudinally polarized electrons from ^{48}Ca. measure A_{PV}=2668±106(stat)±40(syst) parts per billion, leading to an extraction neutral weak form factor F_{W}(q=0.8733 fm^{-1})=0.1304±0.0052(stat)±0.0020(syst) and charge minus F_{ch}-F_{W}=0.0277±0.0055. The resulting neutron skin thickness R_{n}-R_{p}=0.121±0.026(exp)±0.024(model) fm is relatively thin yet consistent with many model...
This White Paper presents an overview of the current status and future perspective QCD research, based on community inputs scientific conclusions from 2022 Hot Cold Town Meeting. We present progress made in last decade toward a deep understanding both fundamental structure sub-atomic matter nucleon nucleus cold QCD, hot heavy ion collisions. identify key questions research plausible paths to obtaining answers those near future, hence defining priorities our over coming decades.
This document presents the initial scientific case for upgrading Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson Lab (JLab) to 22 GeV. It is result of a community effort, incorporating insights from series workshops conducted between March 2022 and April 2023. With track record over 25 years in delivering world's most intense precise multi-GeV electron beams, CEBAF's potential higher energy upgrade unique opportunity an innovative nuclear physics program, which seamlessly...
We report precision determinations of the beam-normal single spin asymmetries (A_{n}) in elastic scattering 0.95 and 2.18 GeV electrons off ^{12}C, ^{40}Ca, ^{48}Ca, ^{208}Pb at very forward angles where most detailed theoretical calculations have been performed. The first measurements A_{n} for ^{40}Ca ^{48}Ca are found to be similar that consistent with expectations thus demonstrating validity nuclei Z≤20. also two new momentum transfers (Q^{2}) extending previous measurement. Our data...
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This White Paper presents the community inputs and scientific conclusions from Hot Cold QCD Town Meeting that took place September 23-25, 2022 at MIT, as part of Nuclear Science Advisory Committee (NSAC) 2023 Long Range Planning process. A total 424 physicists registered for meeting. The meeting highlighted progress in Quantum Chromodynamics (QCD) nuclear physics since 2015 LRP (LRP15) identified key questions plausible paths to obtaining answers those questions, defining priorities our...
Photolysis and sonolysis of trichloroethylene (TCE) in water was investigated using a cup-horn, flow-through reactor system. Water containing titanium dioxide deliberately contaminated with TCE. These solutions were irradiated ultraviolet light (UV) ultrasonic waves (US). The decrease the TCE concentration observed under both US UV treatments. Present findings declare that use decreased concentration. With specifications used, photolysis processes can produce meeting drinking standard (MCLs...
We propose to measure the beam normal single spin asymmetry in elastic scattering of transversely polarized electron from target nuclei with 12 $\leq Z \leq$ 90 at Q$^2$ = 0.0092 GeV$^2$ study its nuclear dependence. While theoretical calculations based on two-photon exchange suggest no dependence this kinematics, results 208Pb Jefferson Lab show a striking disagreement both predictions and light measurements. The proposed measurements will provide new data for intermediate heavy where...