Neutron to mirror-neutron oscillations in the presence of mirror magnetic fields

Altarev, I.; Baker, C.A.; Ban, G.; Bodek, K.; Daum, M.; Fierlinger, P.; Geltenbort, P.; Green, K.; Grinten, M. G. D. van der; Gutsmiedl, E.; Harris, Philip; Henneck, R.; Horras, M.; Iaydjiev, P.; Иванов, С. Н.; Khomutov, N. V.; Kirch, K.; Kistryn, S.; Knecht, A.; Knowles, P.; Kozela, A.; Kuchler, F.; Kuźniak, M.; Lauer, T.; Lauss, B.; Lefort, T.; Mtchedlishvili, A.; Naviliat‐Cuncic, O.; Paul, S.; Pazgalev, A. S.; Pendlebury, J.M.; Petzoldt, G.; Pierre, E.; Plonka-Spehr, C.; Qúeḿener, G.; Rebreyend, D.; Roccia, S.; Rogel, G.; Severijns, N.; Shiers, D.; Sobolev, Yu.; Stoepler, R.; Weis, A.; Zejma, J.; Zenner, J.; Zsigmond, G.

doi:10.1103/physrevd.80.032003

Cited by 69 publications

(101 citation statements)

References 21 publications

(24 reference statements)

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“…The emergent discussion for dark matter and dark energy triggered further use of UCNs to search for exotic physics beyond the Standard Model of particle physics, like searches for mirror matter [34][35][36], for Lorentz violation effects [37], for exotic interactions induced by axionlike particles [38][39][40][41][42], dark matter [43,44], or probing dark energy [45][46][47]. The sensitivities of all such UCN experiments depend directly on the total UCN statistics available in the measurement, hence on high UCN densities in sizeable storage vessels.…”

Section: Introductionmentioning

confidence: 99%

Comparison of ultracold neutron sources for fundamental physics measurements

et al. 2017

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Ultracold neutrons (UCNs) are key for precision studies of fundamental parameters of the neutron and in searches for new CP violating processes or exotic interactions beyond the Standard Model of particle physics. The most prominent example is the search for a permanent electric dipole moment of the neutron (nEDM). We have performed an experimental comparison of the leading UCN sources currently operating. We have used a 'standard' UCN storage bottle with a volume of 32 liters, comparable in size to nEDM experiments, which allows us to compare the UCN density available at a given beam port.

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Section: Introductionmentioning

confidence: 99%

Comparison of ultracold neutron sources for fundamental physics measurements

et al. 2017

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“…In the present work, we investigate further this effect by reconsidering it from a more realistic experimental point of view. To that end, a simple and inexpensive experimental setup is proposed, inspired from designs used in neutron physics investigations [10][11][12][13] and in spectroscopy [14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Laser frequency combs and ultracold neutrons to probe braneworlds through induced matter swapping between branes

Sarrazin

Petit

2011

Phys. Rev. D

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This paper investigates a new experimental framework to test the braneworld hypothesis. Recent theoretical results have shown the possibility of matter exchange between branes under the influence of suitable magnetic vector potentials. It is shown that the required conditions might be achieved with present-day technology. The experiment uses a source of pulsed and coherent electromagnetic radiation and relies on the Hänsch frequency comb technique well-known in ultrahigh-precision spectroscopy. A good matter candidate for testing the hypothesis is a polarized ultracold neutron gas for which the number of swapped neutrons is measured.

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“…The limits on neutron oscillations in invisible channels are only τ n−inv > 414 s at 90% CL in suppressed magnetic field [101][102][103][104][105]. 12 So, there is no phenomenological problem with neutrons oscillating into the stable lightest neutralini or stable axini.…”

Section: Jhep12(2014)089mentioning

confidence: 99%

Neutron Majorana mass from exotic instantons

Addazi

Bianchi

2014

J. High Energ. Phys.

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We show how a Majorana mass for the neutron could result from nonperturbative quantum gravity effects peculiar to string theory. In particular, "exotic instantons" in un-oriented string compactifications with D-branes extending the (supersymmetric) standard model could indirectly produce an effective operator δm n t n + h.c.. In a specific model with an extra vector-like pair of 'quarks', acquiring a large mass proportional to the string mass scale (exponentially suppressed by a function of the string moduli fields), δm can turn out to be as low as 10 −24 -10 −25 eV.The induced neutron-antineutron oscillations could take place with a time scale τ nn > 10 8 s that could be tested by the next generation of experiments. On the other hand, proton decay and FCNC's are automatically strongly suppressed and are compatible with the current experimental limits.Depending on the number of brane intersections, the model may also lead to the generation of Majorana masses for R-handed neutrini. Our proposal could also suggest neutron-neutralino or neutron-axino oscillations, with implications in UCN, Dark Matter Direct Detection, UHECR and Neutron-Antineutron oscillations.This suggests to improve the limits on neutron-antineutron oscillations, as a possible test of string theory and quantum gravity.

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Neutron to mirror-neutron oscillations in the presence of mirror magnetic fields

Cited by 69 publications

References 21 publications

Comparison of ultracold neutron sources for fundamental physics measurements

Comparison of ultracold neutron sources for fundamental physics measurements

Laser frequency combs and ultracold neutrons to probe braneworlds through induced matter swapping between branes

Neutron Majorana mass from exotic instantons

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