QCD sum rules are used to obtain all ten Lambda_c to p form factors, which then yield branching fractions and angular observables for Lambda_c and Xi_c rare decays, plus an exploratory new physics scan.
Meinel, Λ c → N form factors from lattice QCD and phenomenology of Λ c → nℓ+νℓ and Λc → pµ+µ− decays, Phys
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Rare $ \Lambda_c $ decays and new physics effects
QCD sum rules are used to obtain all ten Lambda_c to p form factors, which then yield branching fractions and angular observables for Lambda_c and Xi_c rare decays, plus an exploratory new physics scan.