Skip to main content

NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.

Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.

U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Addison Hartman (Assoc)

Graduate student

Addison is a graduate student on the Al+ clock project. She received her bachelor's degree in physics and mathematics from Amherst College in 2022, where she was first introduced to AMO and precision measurement. Before joining the Ion Storage Group, she worked on experiments to measure the proton-to-electron mass ratio with O2+ and the electron's electric dipole moment with ThF+

Created June 7, 2025, Updated September 25, 2025
Was this page helpful?