TY - JOUR
T1 - Supersymmetric particles and the ΔI = 1 2 rule
AU - Langacker, Paul
AU - Sathiapalan, B.
N1 - Funding Information:
One of us (P.L.) is very grateful to Steve Adler for the hospitality of the Institute for Advanced Study. This work was supported by the Institute and by the Department of Energy Contract no. EY-76-C-02-3071.
PY - 1984/9/6
Y1 - 1984/9/6
N2 - We consider the contributions of new particles in supersymmetric theories to the nonleptonic decays of strange particles. We find that for a wide class of models the dominant new contribution is from purely ΔI = 1 2 penguinlike diagrams involving gluinos and scalar quarks. Detailed calculations suggest that these super-penguins are smaller in magnitude than the ordinary penguins unless the gluinos and scalar quarks are light (e.g. 1 GeV and 30 GeV, respectively), but there are significant uncertainties associated with higher order QCD effects.
AB - We consider the contributions of new particles in supersymmetric theories to the nonleptonic decays of strange particles. We find that for a wide class of models the dominant new contribution is from purely ΔI = 1 2 penguinlike diagrams involving gluinos and scalar quarks. Detailed calculations suggest that these super-penguins are smaller in magnitude than the ordinary penguins unless the gluinos and scalar quarks are light (e.g. 1 GeV and 30 GeV, respectively), but there are significant uncertainties associated with higher order QCD effects.
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U2 - 10.1016/0370-2693(84)91286-3
DO - 10.1016/0370-2693(84)91286-3
M3 - Article
AN - SCOPUS:25044455560
VL - 144
SP - 395
EP - 400
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
SN - 0370-2693
IS - 5-6
ER -