Light Stop Decays
Abstract
If the stop is the next-to-lightest supersymmetric particle (NLSP) and the mass difference to the neutralino is smaller than the top mass, it can decay via flavour-violating decay modes to c01/u01 or a four-body decay to b10ff', which above the W boson threshold corresponds to the decay to b10W. Improving on existing calculations for these decay modes, we analyse the branching ratios (BRs) for the respective decays and show that they can significantly deviate from one.
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