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Abstract
The only anticipated resonant contributions to B+→D+D−K+ decays are charmonium states in the D+D− channel. A model-independent analysis, using LHCb proton-proton collision data taken at center-of-mass energies of √s=7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb−1, is carried out to test this hypothesis. The description of the data assuming that resonances only manifest in decays to the D+D− pair is shown to be incomplete. This constitutes evidence for a new contribution to the decay, potentially one or more new charm-strange resonances in the D−K+ channel with masses around 2.9 GeV/c2.
Original language | English |
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Article number | 242001 |
Number of pages | 10 |
Journal | Physical Review Letters |
Volume | 125 |
Issue number | 24 |
DOIs | |
Publication status | Published - 7 Dec 2020 |
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