File:PhysRevLett.122.172501.pdf
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[edit]DescriptionPhysRevLett.122.172501.pdf |
English: We calculate the lifetime of the deuteron with dimension-nine quark operators that violate baryon number by two units. We construct an effective field theory for |ΔB|=2 interactions that give rise to neutron-antineutron (n−¯n) oscillations and dinucleon decay within a consistent power counting. We calculate the ratio of the deuteron lifetime to the square of the n−¯n oscillation time up to next-to-leading order. Our result, which is analytical and has a quantified uncertainty, is smaller by a factor ≃2.5 than earlier estimates based on nuclear models, which impacts the indirect bound on the n−¯n oscillation time and future experiments. We discuss how combined measurements of n−¯n oscillations and deuteron decay can help to identify the sources of baryon-number violation. |
Date | |
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https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.122.172501 https://doi.org/10.1103/PhysRevLett.122.172501 |
Author | F. Oosterhof, B. Long, J. de Vries, R. G. E. Timmermans, and U. van Kolck |
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Short title | Baryon-Number Violation by Two Units and the Deuteron Lifetime |
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Image title | doi:10.1103/PhysRevLett.122.172501 url:https://doi.org/10.1103/PhysRevLett.122.172501 |
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Software used | © 2019 American Physical Society |
Conversion program | Acrobat Distiller 10.1.16 (Windows) |
Encrypted | no |
Page size | 612 x 792 pts (letter) |
Version of PDF format | 1.4 |
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