Amplitude analysis of the Λb0→pK−γ decay

The LHCb collaboration

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The resonant structure of the radiative decay Λb0→pKγ in the region of proton-kaon invariant-mass up to 2.5 GeV/c2 is studied using proton-proton collision data recorded at centre-of-mass energies of 7, 8, and 13 TeV collected with the LHCb detector, corresponding to a total integrated luminosity of 9 fb−1. Results are given in terms of fit and interference fractions between the different components contributing to this final state. Only Λ resonances decaying to pK are found to be relevant, where the largest contributions stem from the Λ(1520), Λ(1600), Λ(1800), and Λ(1890) states.

Idioma originalAnglès
Número d’article98
RevistaJournal of High Energy Physics
Estat de la publicacióPublicada - de juny 2024


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