We report an amplitude analysis and branching fraction measurement of D+- s → K+K−π+- 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 KþK− 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−π+-) = (5.47 pm 0.08stat pm 0.13sys)%

Amplitude analysis and branching fraction measurement of D+s → K+K− π +

I. Garzia;
2021

Abstract

We report an amplitude analysis and branching fraction measurement of D+- s → K+K−π+- 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 KþK− 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−π+-) = (5.47 pm 0.08stat pm 0.13sys)%
2021
Ablikim, M.; Achasov, M. ???N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Amoroso, A.; An, Q.; Anita, ; Bai, Y.; Bakina, O.; Baldini Ferroli, R.; Balossi...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/2506017
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