Papers › Λ^+_c polarimetry using the dominant hadronic mode
Λ^+_c polarimetry using the dominant hadronic mode
LHCb collaboration
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The polarimeter vector field for multibody decays of a spin-half baryon is introduced as a generalisation of the baryon asymmetry parameters. Using a recent amplitude analysis of the Λ^+_c →p K^- π^+ decay performed at the LHCb experiment, we compute the distribution of the kinematic-dependent polarimeter vector for this process in the space of Mandelstam variables to express the polarised decay rate in a model-agnostic form. The obtained representation can facilitate polarisation measurements of the Λ^+_c baryon and eases inclusion of the Λ^+_c →p K^- π^+ decay mode in hadronic amplitude analyses.
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