Proceeding of the Journ{e}es de Rencontre Jeunes Chercheurs 2013. Measuring the depolarization rate of a $^3$He hyperpolarized gas is a sensitive method to probe hypothetical short-range spin-dependent forces. A dedicated experiment is being set up at the Institute Laue Langevin in Grenoble to improve the sensitivity. The status of the experiment is detailed in this paper.
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