Amplitude analysis of Ds+ →π+π-π+

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Utilizing the data set corresponding to an integrated luminosity of 3.19 fb-1 collected by the BESIII detector at a center-of-mass energy of 4.178 GeV, we perform an amplitude analysis of the Ds+→π+π-π+ decay. The sample contains 13,797 candidates with a signal purity of ∼80%. The amplitude and phase of the contributing ππS wave are measured based on a quasi-model-independent approach, along with the amplitudes and phases of the P and D waves parametrized by Breit-Wigner models. The fit fractions of different intermediate decay channels are also reported.
Originele taal-2English
Artikelnummer112006
TijdschriftPhysical Review D
Volume106
Nummer van het tijdschrift11
DOI's
StatusPublished - 1-dec.-2022

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