Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Kevin J. Coakley

Kevin J. Coakley earned a B.S. in Physics from Yale University, an M.S. in Physics from the University of Washington (Seattle), and a Ph.D. in Statistics from Stanford University. He joined the Statistical Engineering Division at NIST in 1989. Current research interests include aerosol physics; neutron physics; fast neutron spectroscopy; neutron imaging; astroparticle physics; and computational biology.

Technical Areas of Research and Consulting:

  • Planning and analysis of experiments in physical science and engineering
  • Stochastic and empirical model building
  • Computer intensive statistical methods
  • Bootstrap resampling methods
  • Statistical signal processing
  • Statistical algorithms for imaging

Professional Activities and Societies and Standards Activities:


A Boltzmann Constant Determination Based on Johnson Noise Thermometry

Nathan E. Flowers-Jacobs, Alessio Pollarolo, Kevin J. Coakley, Anna E. Fox, Horst Rogalla, Weston L. Tew, Samuel P. Benz
A value for the Boltzmann constant was measured electronically using an improved version of the Johnson Noise Thermometry (JNT) system at the National Institute

Precision measurement of the radiative beta decay of the free neutron

Christopher D. Bass, Maynard S. Dewey, Thomas R. Gentile, Hans P. Mumm, Alan Keith Thompson, M J. Bales, R. Alarcon, E J. Beise, H Breuer, Jim Byrne, T E. Chupp, Kevin J. Coakley, R L. Cooper, B. O'Neill, F E. Wietfeldt
The theory of quantum electrodynamics predicts that a continuous spectrum of photons is emitted in the beta decay of the free neutron in addition to a proton
Created October 9, 2019, Updated February 7, 2020