Model-independent measurement of charm mixing parameters in B ¯ →d0 (→ KS0 π+π-)μ- ν ¯ μx decays

(LHCb Collaboration)

Research output: Contribution to journalArticlepeer-review

Abstract

A measurement of charm mixing and CP-violating parameters is reported, using B¯→D0(→KS0π+π-)⁢μ-ν¯μX decays reconstructed in proton-proton collisions collected by the LHCb experiment during the years 2016 to 2018, corresponding to an integrated luminosity of 5.4 fb-1. The measured mixing and CP-violating parameters are xCP=[4.29±1.48(stat)±0.26(syst)]×10-3, yCP=[12.61±3.12(stat)±0.83(syst)]×10-3, Δx=[-0.77±0.93(stat)±0.28(syst)]×10-3, Δy=[3.01±1.92(stat)±0.26(syst)]×10-3. The results are complementary to and consistent with previous measurements. A combination with the recent LHCb analysis of D∗+→D0(→KS0π+π-)π+ decays is reported.

Original languageEnglish (US)
Article number052005
JournalPhysical Review D
Volume108
Issue number5
DOIs
StatePublished - Sep 1 2023

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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