Looking Inside a Prototype Compact X-Ray Tube Comprising CNT-Based Cold Cathode and Transmission-Type Anode

Ashish V Avachat , Wesley W Tucker , Carlos HC Giraldo , David Pommerenke
Radiation Research 193 ( 5) 497 -504

1
2020
Particle-In-Cell Simulations of Electron Focusing for a Compact X-Ray Tube Comprising CNT-Based Electron Source and Transmission Type Anode

Ashish V Avachat , Wesley W Tucker , Carlos HC Giraldo , Hyoung K Lee
IEEE Transactions on Electron Devices 66 ( 3) 1525 -1532

2
2019
Positron annihilation lifetime spectroscopy of adipose, hepatic, and muscle tissues

Ashish V Avachat , Anthony G Leja , Kholod H Mahmoud , Mark A Anastasio

2
2022
Ortho-positronium lifetime for soft-tissue classification

Ashish V Avachat , Kholod H Mahmoud , Anthony G Leja , Jiajie J Xu
Scientific Reports 14 ( 1) 21155 -21155

2024
Thermal analysis and electron beam optics for a rotating cylindrical anode based distributed x-ray source

Ashish V Avachat , Jordan Fox , Wesley Tucker , Hyoung K Lee
Medical Imaging 2023: Physics of Medical Imaging 12463 124633T -124633T

2023
A comparative study of machine learning methods for automated identification of radioisotopes using NaI gamma-ray spectra

SM Galib , PK Bhowmik , AV Avachat , HK Lee
Nuclear Engineering and Technology 53 ( 12) 4072 -4079

33
2021
Fluid-cooled compact x-ray tube and system including the same

Hyoung Koo Lee , V Ashish Avachat , Wesley William Tucker

2021
Comparison of a semi-analytic variance reduction technique to classical Monte Carlo variance reduction techniques for high aspect ratio pencil beam collimators for emission tomography applications

Nicolas Woolstenhulme , Hyoung K. Lee , Devin Imholte , Ashish Avachat
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment 1001 165236

2021
A source biasing and variance reduction technique for Monte Carlo radiation transport modeling of emission tomography problems

Seth Kilby , Zhongmin Jin , Ashish Avachat , Bryant Kanies
Journal of Radioanalytical and Nuclear Chemistry 320 ( 1) 37 -45

3
2019
Correction to: A source biasing and variance reduction technique for Monte Carlo radiation transport modeling of emission tomography problems

Seth Kilby , Zhongmin Jin , Ashish Avachat , Bryant Kanies
Journal of Radioanalytical and Nuclear Chemistry 324 ( 1) 445 -446

2020
Multi-modal tomographic imaging system for poolside characterization of nuclear test fuels: Design considerations and studies

Seth Kilby , Jack Fletcher , Ashish Avachat , Zhongmin Jin
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1045 167553 -167553

3
2023
Accelerated radiation transport modeling techniques for pencil beam computed tomography using gamma rays

Zhongmin Jin , Seth Kilby , Ashish Avachat , Bryant Kanies
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1039 167165 -167165

3
2022
Investigating the robustness of a deep learning-based method for quantitative phase retrieval from propagation-based x-ray phase contrast measurements under laboratory conditions

Rucha Deshpande , Ashish Avachat , Frank J Brooks , Mark A Anastasio
Physics in Medicine & Biology 68 ( 8) 085005 -085005

3
2023
Assessing the applicability of a learning-based method for quantitative phase retrieval from propagation-based x-ray phase contrast images under benchtop conditions

Rucha Deshpande , Ashish Avachat , Frank J Brooks , Mark A Anastasio
Medical Imaging 2023: Physics of Medical Imaging 12463 124632T -124632T

2023
Simulation study of electron beam optics for a distributed X-ray source toward stationary CT architecture

Jordan Fox , Hyoung K Lee , Ayodeji B Alajo , Ashish Avachat
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1062 169149 -169149

2024
Simulation Study on Electron Focusing for the First Prototype of a Compact X-Ray Tube

Vaibhav Sinha , Hyoung-Koo Lee , Ashish V. Avachat
Transactions of the American Nuclear Society 117 499 -499

2017
Design and development of a neutron/X-ray combined computed tomography system at Missouri S&T

Vaibhav Sinha , Ashish V. Avachat , Hyoung K. Lee
Journal of Radioanalytical and Nuclear Chemistry 296 ( 2) 799 -806

12
2013