Amplitude analysis of B0 → D ¯ 0 Ds+ π- and B+ →D- Ds+ π+ decays

LHCb Collaboration

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10 Scopus citations

Abstract

Resonant contributions in B0→D¯D0s+π- and B+→D-Ds+π+ decays are determined with an amplitude analysis, which is performed both separately and simultaneously, where in the latter case isospin symmetry between the decays is assumed. The analysis is based on data collected by the LHCb detector in proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV. The full data sample corresponds to an integrated luminosity of 9 fb-1. A doubly charged spin-0 open-charm tetraquark candidate together with a neutral partner, both with masses near 2.9 GeV, are observed in the Dsπ decay channel.

Original languageEnglish (US)
Article number012017
JournalPhysical Review D
Volume108
Issue number1
DOIs
StatePublished - Jul 1 2023

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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