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Particles and interactions

Particles and interactions

Neutron experiment tightens the net around possible fifth force

17 Sep 2021
NIST Center for Neutron Research
Fifth force experiment: the cold neutron guide hall at NIST’s Center for Neutron Research in Maryland. (Courtesy: NIST/Yiming Qiu)
An improved search for a potential fifth force of nature is one of a trio of new results gleaned fro

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Edwin Cartlidge is a science writer based in Rome
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