Amplitude Analysis and Branching Fraction Measurement of D0→K−π+π0π0

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https://doi.org/10.1103/PhysRevD.99.092008
https://journals.aps.org/prd/abstract/10.1103/PhysRevD.99.092008

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2019-05-31

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https://hdl.handle.net/2022/31805

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Utilizing the dataset corresponding to an integrated luminosity of 2.93 fb−1 at s=3.773 GeV collected by the BESIII detector, we report the first amplitude analysis and branching fraction measurement of the D0→K−π+π0π0 decay. We investigate the sub-structures and determine the relative fractions and the phases among the different intermediate processes. Our results are used to provide an accurate detection efficiency and allow measurement of B(D0→K−π+π0π0)=(8.86±0.13(stat)±0.19(syst))%.

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M., Ablikim,, and al., Mitchell, R. E., et. "Amplitude Analysis and Branching Fraction Measurement of D0→K−π+π0π0." Physical Review D, vol. D99, no. 9, 2019-05-31, https://doi.org/10.1103/PhysRevD.99.092008.

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Physical Review D

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