Project Grant 2309195

Award Date 8/1/23
Completion Date 7/31/26
Dollars Obligated $1.1M
Federal Agency
Division of Physics
Federal Grant Program
47.049
Assistance Type
Project Grant
Place of Performance
Seattle, WA 98105, USA
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The National Science Foundation (NSF) awarded a $1,050,000 Project Grant under the Mathematical and Physical Sciences program (CFDA 47.049) to the University of Washington. The grant supports research at the University of Washington's gravity laboratory (E?T-WASH group) to probe fundamental physics through precision gravitational experiments. Specific activities include:

  1. Testing the equivalence principle by conducting highly sensitive laboratory tests to search for deviations from general relativity, with the goal of improving on previous measurements by up to 15 times.

  2. Testing Newton's inverse-square law of gravity at short distances down to 20 micrometers.

  3. Searching for ultra-light dark matter using torsion balance measurements.

  4. Advancing low-frequency, ultra-small-force measurement technologies to enable these gravitational physics experiments.

The research aims to connect general relativity with particle physics and investigate gravitational phenomena beyond the current theories of dark matter and dark energy. The award period is from August 1, 2023 to July 31, 2026.

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