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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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Contributor : Emmanuelle Vernay Connect in order to contact the contributor
Submitted on : Monday, February 2, 2015 - 4:27:00 PM
Last modification on : Wednesday, November 10, 2021 - 9:28:02 PM

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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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