Bounds on {Delta}B = 1 couplings in the supersymmetric standard model

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The most general supersymmetric model contains baryon number violating terms of the form {lambda}{sub ijk} {bar D}{sub i}{bar D}{sub j}{bar U}{sub k} in the superpotential. The authors reconsider the bounds on these couplings, assuming that lepton number conservation ensures proton stability. These operators can mediate n-{anti n} oscillations and double nucleon decay. They show that neutron oscillations do not, as previously claimed, constrain the {lambda}{sub dsu} coupling; they do provide a bound on the {lambda}{sub dbu} coupling, which they calculate. They find that the best bound on {lambda}{sub dsu} arises from double nucleon decay into two kaons; the calculation is ... continued below

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215 Kilobytes pages

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Goity, J.L. & Sher, Marc December 1, 1994.

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The most general supersymmetric model contains baryon number violating terms of the form {lambda}{sub ijk} {bar D}{sub i}{bar D}{sub j}{bar U}{sub k} in the superpotential. The authors reconsider the bounds on these couplings, assuming that lepton number conservation ensures proton stability. These operators can mediate n-{anti n} oscillations and double nucleon decay. They show that neutron oscillations do not, as previously claimed, constrain the {lambda}{sub dsu} coupling; they do provide a bound on the {lambda}{sub dbu} coupling, which they calculate. They find that the best bound on {lambda}{sub dsu} arises from double nucleon decay into two kaons; the calculation is discussed in detail. There are no published limits on this process; experimenters are urged to examine this nuclear decay mode. Finally, the other couplings can be bounded by the requirement of perturbative unification.

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215 Kilobytes pages

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  • Journal Name: Phys.Lett. B346 (1995) 69-74; Erratum-ibid. B385 (1996) 500; Other Information: Submitted to Phys.Lett. B346 (1995) 69-74; Erratum-ibid. B385 (1996) 500

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  • Report No.: CEBAF-TH-94-24
  • Report No.: DOE/ER/40150-1667
  • Report No.: hep-ph/9412208
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 756926
  • Archival Resource Key: ark:/67531/metadc711357

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • December 1, 1994

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 5, 2016, 7:53 p.m.

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Goity, J.L. & Sher, Marc. Bounds on {Delta}B = 1 couplings in the supersymmetric standard model, article, December 1, 1994; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc711357/: accessed October 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.