Wiki source code of Richard Williams

Last modified by Ricardo Julio Rodríguez Fernández on 2026/06/15 19:48

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Ricardo Julio Rodríguez Fernández 10.1 1 === Background Rejection in the Search for Λb⁰ → pKτ⁺τ⁻ at LHCb ===
Ricardo Julio Rodríguez Fernández 13.1 2 ==== Titor: Richard Williams ====
Ricardo Julio Rodríguez Fernández 10.1 3 ==== Supervisor: Richard Williams
Ricardo Julio Rodríguez Fernández 1.1 4 ====
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Ricardo Julio Rodríguez Fernández 10.1 6 The unobserved transition b → sττ is a promising probe to perform Lepton Flavour Universality tests and search for possible New Physics effects. In this project, the selected student will investigate signal and background characteristics in the decay Λb⁰ → pKτ⁺τ⁻ and develop strategies to maximize background rejection while preserving signal efficiency. The work will involve the use of modern machine-learning techniques, including BDTs, Neural Networks, and hyperparameter optimization tools such as Optuna, applied to realistic LHCb datasets.