Nov, 2023
ORNL Report
Publications
Showing 32 results for Author: Jake D. Daughhetee
Nov, 2023
ORNL Report
Cell G 7606A Mockup Measurement Analysis Methods and Results
The production of research isotopes at the Radiochemical Engineering Development Center (REDC) invariably leads to the accumulation of radioactive waste. Storage of this waste onsite at ORNL serves as an interim solution prior to shipment to long term storage facilities, however onsite capacity is limited. Proper characterization of the activity of waste products is essent…
Nov, 2023
ORNL Report
Gantryless Associated-Particle Neutron Radiography
The present work reports on the development of techniques for in-field fast-neutron radiography measurements using the associated-particle imaging (API) method. The API method employs alpha-neutron coincidences from the d+t→α+n reaction to enable fast neutron transmission imaging with excellent contrast using a wide cone beam. However, for field radiography applications, t…
Nov, 2023
ORNL Report
2022 Annual Report: Multimodal Data Fusion with 3D Gamma-Ray imaging for Safeguards
Nov, 2023
Journal
First constraint on coherent elastic neutrino-nucleus scattering in argon
Coherent elastic neutrino-nucleus scattering (CEvNS) is calculated to be the dominant neutrino scattering channel for neutrinos of energy Eν
Sep, 2022
Journal
COHERENT constraint on leptophobic dark matter using CsI data
We use data from the COHERENT CsI[Na] scintillation detector to constrain sub-GeV leptophobic dark matter models. This detector was built to observe low-energy nuclear recoils from coherent elastic neutrino-nucleus scattering. These capabilities enable searches for dark matter particles produced at the Spallation Neutron Source mediated by a vector portal particle with mas…