Amplitude Analysis and Branching Fraction Measurement of D-s(+) -> K+K-pi(+)
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2021Metadata
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Ablikim, M., Achasov, M. N., Adlarson, P., Ahmed, S., Albrecht, M., Amoroso, A., ... & Lane, J. J. (2021). Amplitude analysis and branching fraction measurement of D s+→ K+ K− π+. Physical Review D, 104(1), 012016.Abstract
We report an amplitude analysis and branching fraction measurement of D-s(+) -> K+K-pi(+) decay using a data sample of 3.19 fb(-1) recorded with BESIII detector at a center-of-mass energy of 4.178 GeV. We perform a model-independent partial wave analysis in the low K+K- mass region to determine the K+K- S-wave line shape, followed by an amplitude analysis of our very pure high-statistics sample. With the detection efficiency based on the amplitude analysis results, the absolute branching fraction is measured to be B(D-s(+) -> K+K-pi(+)) = (5.47 +/- 0.08(stat) +/- 0.13(sys))%.
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Physical Review DVolume
104Issue
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