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Huaiyu Heather Chen-Mayer (Fed)
Current and past research interest at NIST:
2016 – Present: Physicist, Chemical Process and Nuclear Measurements Group, Chemical Sciences Division, MML
- Prompt Gamma Activation Analysis (PGAA)
- Cold neutron beam activation analysis instrumentation and electronics
- In-neutron beam prompt and decay gamma ray spectrometry
- Prompt and decay gamma ray imaging
- Chloride in concrete analysis by neutron generator based PGAA
- MCNP modeling of PGAA system
2010 – 2016: Physicist, Radioactivity Group, Radiation Physics Division, PML
- Development of CT dose standard, direct determination of absorbed dose to phantom using calorimetry
- Development of CT imaging standard specifically for lung density CT applications and statistical modeling of lung density data
- Finite element modeling for CT dosimetry
2003 - 2010: Physicist, Dosimetry Group, Radiation Physics Division, PML
- Water calorimetry as a primary absorbed dose standard in Cobalt-60 and linear accelerator
- Ultrasound thermometry for radiation dose measurement
- Finite element modeling of conduction and convection heat transfer in water
1995 - 2003: Physicist, Nuclear Methods Group, Analytical Chemistry Division, CSTL
- Neutron beam focusing using capillary optics applied to nuclear analytical techniques, specifically Prompt gamma activation analysis and Neutron depth profiling
1990 - 1995: Guest Researcher, Nuclear Methods Group, Analytical Chemistry Division, CSTL
- Neutron beam focusing using capillary optics