A direct experimental limit on neutron -- mirror neutron oscillations

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dc.creatorBan, G.
dc.creatorBodek, K.
dc.creatorDaum, M.
dc.creatorHenneck, R.
dc.creatorHeule, S.
dc.creatorKasprzak, M.
dc.creatorKhomutov, N.
dc.creatorKirch, K.
dc.creatorKistryn, S.
dc.creatorKnecht, A.
dc.creatorKnowles, P.
dc.creatorKuzniak, M.
dc.creatorLefort, T.
dc.creatorMtchedlishvili, A.
dc.creatorNaviliat-Cuncic, O.
dc.creatorPlonka, C.
dc.creatorQuemener, G.
dc.creatorRebetez, M.
dc.creatorRebreyend, D.
dc.creatorRoccia, S.
dc.creatorRogel, G.
dc.creatorTur, M.
dc.creatorWeis, A.
dc.creatorZejma, J.
dc.creatorZsigmond, G.
dc.date2007-05-16
dc.date2007-09-13
dc.date.accessioned2026-07-07T11:16:10Z
dc.date.available2026-07-07T11:16:10Z
dc.descriptionIn case a mirror world with a copy of our ordinary particle spectrum would exist, the neutron n and its degenerate partner, the mirror neutron ${\rm n'}$, could potentially mix and undergo ${\rm nn'}$ oscillations. The interaction of an ordinary magnetic field with the ordinary neutron would lift the degeneracy between the mirror partners, diminish the ${\rm n'}$-amplitude in the n-wavefunction and, thus, suppress its observability. We report an experimental comparison of ultracold neutron storage in a trap with and without superimposed magnetic field. No influence of the magnetic field is found and, assuming negligible mirror magnetic fields, a limit on the oscillation time $τ_{\rm nn'} > 103$ s (95% C.L.) is derived.
dc.description4 pages, 1 figure. accepted for publication in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/0705.2336
dc.identifierhttp://arxiv.org/abs/0705.2336
dc.identifierPhys.Rev.Lett.99:161603,2007
dc.identifierdoi:10.1103/PhysRevLett.99.161603
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/192580
dc.subjectNuclear Experiment
dc.titleA direct experimental limit on neutron -- mirror neutron oscillations
dc.typetext

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