Precision Calculations in Supersymmetric Theories

Figure 3

Sample diagrams contributing to Σ₁₁ at one, two, and three loops. The symbols 𝑡, 𝑡_𝑖̃, 𝑔, 𝑔, and 𝜖 denote top quarks, top squarks, gluons, gluinos, and 𝜖-scalars, respectively.

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