Amplitude analysis and branching fraction measurement of $D_{s}^{+} \rightarrow K^{+}K^{-}\pi^{+}$

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}^{+} \to K^{+} K^{-} π^{+}) = (5.47 \pm 0.0 8_{stat} \pm 0.1 3_{sys}) %

.

Note:

19 pages, 9 figures

electron positron: annihilation
electron positron: colliding beams
D/s+: hadronic decay
amplitude analysis
D/s+: branching ratio: measured
partial wave analysis
efficiency
mass spectrum: (K+ K-)
Beijing Stor
BES

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Amplitude analysis and branching fraction measurement of Ds+→K+K−π+D_{s}^{+} \rightarrow K^{+}K^{-}\pi^{+}Ds+​→K+K−π+

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Amplitude analysis and branching fraction measurement of $D_{s}^{+} \rightarrow K^{+}K^{-}\pi^{+}$