Theoretical analysis of antineutron-nucleus data needed for antineutron mirrors in neutron-antineutron oscillation experiments
The values of the antineutron-nucleus scattering lengths, and, in particular, their imaginary parts, are needed to evaluate the feasibility of using neutron mirrors in laboratory experiments to search for neutronantineutron oscillations. We analyze existing experimental and theoretical constraints o...
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| Veröffentlicht in: | Physical review. D 2020-10, Vol.102 (7), p.075025-1, Article 075025 |
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| container_title | Physical review. D |
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| creator | Protasov, K. V. Gudkov, V. Kupriyanova, E. A. Nesvizhevsky, V. V. Snow, W. M. Voronin, A. Yu |
| description | The values of the antineutron-nucleus scattering lengths, and, in particular, their imaginary parts, are needed to evaluate the feasibility of using neutron mirrors in laboratory experiments to search for neutronantineutron oscillations. We analyze existing experimental and theoretical constraints on these values with emphasis on low-A nuclei and use the results to suggest materials for the neutron-antineutron guide and to evaluate the systematic uncertainties in estimating the neutron-antineutron oscillation time. As an example, we discuss a scenario for a future neutron-antineutron oscillation experiment proposed for the European Spallation Source. We also suggest future experiments which can provide a better determination of the values of antineutron-nuclei scattering lengths. |
| doi_str_mv | 10.1103/PhysRevD.102.075025 |
| format | Article |
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| subjects | Antiparticles Experiments High Energy Physics - Phenomenology Neutrons Nuclear Experiment NUCLEAR PHYSICS AND RADIATION PHYSICS Nuclear Theory particle mixing & oscillations Physics Scattering Spallation |
| title | Theoretical analysis of antineutron-nucleus data needed for antineutron mirrors in neutron-antineutron oscillation experiments |
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