Primary liaison for neutron imaging projects at LANSCE
Leading & supporting all neutron imaging measurements on FP4, FP05, FP11, and FP60R beamlines
Enabling world-class advanced neutron imaging capabilities through developing and commissioning several novel neutron imaging detectors, sample environments, and data analysis codes.
Fostering growth of neutron imaging as LANSCE through collaboration meetings, invited talks and seminars.
Actively developing new neutron imaging techniques to meet LANL’s scientific missions.
Developed Energy Resolved Neutron Imaging (ERNI) capabilities on FP5/ERNI
Developed ERNI techniques such as neutron resonance imaging (NRI) and Bragg-edge imaging (BEI) on FP5.
Mentoring grad students in developing a new state-of-the-art neutron resonance imaging analysis code TRINIDI.
Led the execution of first-of-a-kind NRI measurements on irradiated nuclear fuel pellet.
Developing open-sourced user-friendly python package PLEIADES for neutron resonance imaging analysis with SAMMY.
Developed ERNI capabilities with photon-counting neutron imaging technology at LANSCE
Led effort to bring photon-counting TPX3Cams to Lujan Center and WNR. Now have three TPX3Cam based systems that can operate on four different flight paths.
Lead scientist in developing TPX3Cam data acquisition and analysis code HERMES
Developing machine learning algorithms to enable more advanced and robust neutron imaging analysis of TPX3 data.
Developed novel neutron imaging technique to measure thermophysical properties of molten salts and uranium metals
Developed density measurement technique called Density via Neutron Radiography (DvNR)
Successfully applied and published use of DvNR technique to measure densities of Uranium and Plutonium based salts
Part of team to bring first-of-a-kind DOE-NE GAIN funding to LANL in collaborations with TerraPower
Lead scientist in applying DvNR to measure densities of molten uranium and uranium-niobium metals
Developed hydrogen mapping capabilities using neutron imaging techniques
Developed neutron imaging capabilities at Lujan Center to probe temperature driven hydrogen diffusion in metal hydrides.
Successfully published reports and publications for DOE-NE Microreactor program.
Led design and commissioning of state-of-the-art compact dual zone furnace.
Lead scientist in applying DvNR to measure densities of molten uranium and uranium-niobium metals
Development of the Low Energy (N,Z) (LENZ) experimental program at WNR/LANSCE.
Developing digital data acquisition systems, along with unpacking and analysis codes, for the LENZ experimental program
Investigation of the H production reaction 55Mn(n,p) for core structural materials to be used in future nuclear reactor designs.
Performed cross-section measurements on the 55Mn(n,p) reaction using LENZ to investigate the influence of this reaction as a source of neutron irradiation damage in structural materials in future fission and fusion devices
Investigations of neutron irradiation damage in F-M steels through precision measurements of the He gas production reactions
Performed 56Fe(n,a) reaction cross-section measurements using LENZ to better understand He production rates in various F-M steels materials to be used in future reactor core designs
Investigation of uncertainties in the 35Cl(n,p) reaction as a neutron energy probe in CLYC detectors.
Performed 35Cl(n,p) reaction measurements with LENZ to better constrain resonance region cross-sections to improve uncertainties in this reaction as a neutron energy probe in CLYC detectors
Investigation of (α,p) reaction rates along the αp-process path in Type 1 X-ray Bursts
Measurements of α-capture resonance states in 18Ne, 30S, and 38Ca through the (p,t) reaction with the K600 spectrometer to indirectly calculate 14O(α,p)17F, 26Si(α,p)30S, and 34Ar(α,p)38Ca reaction rates, respectively
Investigation of 44Ti synthesis in core collapse super novae through the indirect measurement of the 44Ti(α,p)47V reaction rate.
Coincidence measurements of α-capture resonance states in 48Cr using the 50Cr(p,t)48Cr reaction with the K600 spectrometer and CAKE Si array system to indirectly measure the 44Ti(α,p)47V reaction rate at relevant stellar temperatures.
Study of 44Ti synthesis in core collapse super novae through the indirect measurement of the 45V(p,γ)46Cr reaction rate
Performed 50Cr(α,8He)46Cr reaction measurements using the Grand Raiden spectrograph in order to probe (p,γ) resonances in 46Cr. By studying resonance properties in 46Cr, the 45V(p,γ)46Cr reaction rate can be indirectly determined
Performed indirect measurements of the 38Ca(α,p)41Sc reaction rate at explosive burning temperatures in XRB’s
Performed measurements of α-unbound states in 42Ti through the 46Ti(α,8He) reactions using the Grand Raiden magnetic spectrometer to calculate the 38Ca(α,p)41Sc reaction rate at explosive burning temperatures in XRB’s
Investigation of the 22Ne(α,n)25Mg reaction as an effective neutron source for the s-process during core helium burning in Red Giant stars and helium shell burning in AGB stars.
Performed experiments probing sub and near neutron-threshold levels in 26Mg through the 22Ne(α,α’), 22Ne(6Li,d), and 25Mg(d,p) reactions using the Grand Raiden magnetic spectrometer to indirectly measure 22Ne(α,γ) and 22Ne(α,n) reaction rates at relevant stellar temperatures.
Investigation of neutron background at potential sites for the DIANA project (now called CASPER).
Participated in neutron background measurements at two potential sites for the underground accelerator project DIANA, Sanford Underground Research Facility (SURF) and the Waste Isolation Pilot Plant (WIPP). Neutron Background measurements were made using 3He proportional counters
Reconstruction of the HIgh Pressure POint like gas target (HIPPO) with implementation of gas recirculation capabilities
Worked in collaboration on the reconstruction of the supersonic helium jet gas target system, HIPPO, at the NSL with newly upgraded pumping lines and roots blower pumps, along with the implementation of a recirculation gas system.
Auxiliary research assistant at the Nuclear Science Laboratory for outside users
Operation of the 10.6 MV FN Tandem and 5 MV Van der Graaf accelerators.
Operation of MC-SNICS Sputter Ion Source, Helium ion source (HIS), and Electron Cyclotron Resonance ion source.
Participated in an experiment measuring the 19F(α,n) reaction cross section for safeguard purposes using the neutron detector array, VANDLE.
Participated in three commissioning experiments for a the 4π summing NaI(Tl) detector, SuN.