Probing braneworld hypothesis with a neutron-shining-through-a-wall experiment

Abstract : The possibility for our visible world to be a 3-brane embedded in a multidimensional bulk is at the heart of many theoretical edifices in high energy physics. Probing the braneworld hypothesis is then a major experimental challenge. Following recent theoretical works showing that matter swapping can occur between braneworlds, we propose a "neutron-shining-through-a-wall" experiment. We first show that an intense neutron source such as a nuclear reactor core can induce a hidden neutron flux in an adjacent hidden braneworld. We then describe how a low background detector can detect neutrons arising from the hidden world and we quantify the expected sensitivity to the swapping probability. As a proof of concept, a constraint is derived from previous experiments.
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Contributeur : Emmanuelle Vernay <>
Soumis le : lundi 2 février 2015 - 16:27:00
Dernière modification le : jeudi 11 janvier 2018 - 06:13:08

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M. Sarrazin, G. Pignol, J. Lamblin, F. Petit, G. Terwagne, et al.. Probing braneworld hypothesis with a neutron-shining-through-a-wall experiment. Physical Review D, American Physical Society, 2015, 91, pp.075013. 〈10.1103/PhysRevD.91.075013〉. 〈in2p3-01112331〉



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