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A proposed search for new light bosons using a table-top neutron Ramsey apparatus

Abstract : If a new light boson existed, it would mediate a new force between ordinary fermions, like neutrons. In general such a new force is described by the Compton wavelength $\lambda_c$ of the associated boson and a set of dimensionless coupling constants. For light boson masses of about $10^-4$ eV, $\lambda_c$ is of the order millimeters. Here, we propose a table-top particle physics experiment which provides the possibility to set limits on the strength of the coupling constants of light bosons with spin-velocity coupling. It utilises Ramsey's technique of separated oscillating fields to measure the pseudo-magnetic effect on neutron spins passing by a massive sample.
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http://hal.in2p3.fr/in2p3-00639398
Contributor : Emmanuelle Vernay <>
Submitted on : Wednesday, November 9, 2011 - 8:38:37 AM
Last modification on : Monday, July 20, 2020 - 9:18:25 AM

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F. M. Piegsa, G. Pignol. A proposed search for new light bosons using a table-top neutron Ramsey apparatus. 5th European Conference on Neutron Scattering (ECNS 2011), Jul 2011, Prague, Czech Republic. pp.012043, ⟨10.1088/1742-6596/340/1/012043⟩. ⟨in2p3-00639398⟩

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