Amplitude analysis and branching-fraction measurement of Ds+ → KS0 K-π+π+

(BESIII Collaboration)

doi:10.1103/PhysRevD.103.092006

Amplitude analysis and branching-fraction measurement of Ds+ → KS0 K-π+π+

(BESIII Collaboration)

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Abstract

Using 6.32 fb-1 of e+e- collision data collected by the BESIII detector at the center-of-mass energies between 4.178 and 4.226 GeV, an amplitude analysis of the Ds+→KS0K-π+π+ decays is performed for the first time to determine the intermediate-resonant contributions. The dominant component is the Ds+→K∗(892)+K̄∗(892)0 decay with a fraction of (40.6±2.9stat±4.9sys)%. Our results of the amplitude analysis are used to obtain a more precise measurement of the branching fraction of the Ds+→KS0K-π+π+ decay, which is determined to be (1.46±0.05stat±0.05sys)%.

Original language	English (US)
Article number	092006
Journal	Physical Review D
Volume	103
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevD.103.092006
State	Published - May 24 2021
Externally published	Yes

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© 2021 authors. Published by the American Physical Society.

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10.1103/PhysRevD.103.092006

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@article{b0d246ec62ba4f90b939cad9dba746d0,

title = "Amplitude analysis and branching-fraction measurement of Ds+ → KS0 K-π+π+",

abstract = "Using 6.32 fb-1 of e+e- collision data collected by the BESIII detector at the center-of-mass energies between 4.178 and 4.226 GeV, an amplitude analysis of the Ds+→KS0K-π+π+ decays is performed for the first time to determine the intermediate-resonant contributions. The dominant component is the Ds+→K∗(892)+{\=K}∗(892)0 decay with a fraction of (40.6±2.9stat±4.9sys)\%. Our results of the amplitude analysis are used to obtain a more precise measurement of the branching fraction of the Ds+→KS0K-π+π+ decay, which is determined to be (1.46±0.05stat±0.05sys)\%.",

author = "\{(BESIII Collaboration)\} and M. Ablikim and Achasov, \{M. N.\} and P. Adlarson and S. Ahmed and M. Albrecht and R. Aliberti and A. Amoroso and An, \{M. R.\} and Q. An and Bai, \{X. H.\} and Y. Bai and O. Bakina and \{Baldini Ferroli\}, R. and I. Balossino and Y. Ban and K. Begzsuren and N. Berger and M. Bertani and D. Bettoni and F. Bianchi and J. Bloms and A. Bortone and I. Boyko and Briere, \{R. A.\} and H. Cai and X. Cai and A. Calcaterra and Cao, \{G. F.\} and N. Cao and Cetin, \{S. A.\} and Chang, \{J. F.\} and Chang, \{W. L.\} and G. Chelkov and Chen, \{D. Y.\} and G. Chen and Chen, \{H. S.\} and Chen, \{M. L.\} and Chen, \{S. J.\} and Chen, \{X. R.\} and Chen, \{Y. B.\} and Chen, \{Z. J.\} and Cheng, \{W. S.\} and G. Cibinetto and F. Cossio and Cui, \{X. F.\} and Dai, \{H. L.\} and Dai, \{X. C.\} and A. Dbeyssi and H. Muramatsu and R. Poling",

note = "Publisher Copyright: {\textcopyright} 2021 authors. Published by the American Physical Society.",

year = "2021",

month = may,

day = "24",

doi = "10.1103/PhysRevD.103.092006",

language = "English (US)",

volume = "103",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "9",

}

TY - JOUR

T1 - Amplitude analysis and branching-fraction measurement of Ds+ → KS0 K-π+π+

AU - (BESIII Collaboration)

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Adlarson, P.

AU - Ahmed, S.

AU - Albrecht, M.

AU - Aliberti, R.

AU - Amoroso, A.

AU - An, M. R.

AU - An, Q.

AU - Bai, X. H.

AU - Bai, Y.

AU - Bakina, O.

AU - Baldini Ferroli, R.

AU - Balossino, I.

AU - Ban, Y.

AU - Begzsuren, K.

AU - Berger, N.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bianchi, F.

AU - Bloms, J.

AU - Bortone, A.

AU - Boyko, I.

AU - Briere, R. A.

AU - Cai, H.

AU - Cai, X.

AU - Calcaterra, A.

AU - Cao, G. F.

AU - Cao, N.

AU - Cetin, S. A.

AU - Chang, J. F.

AU - Chang, W. L.

AU - Chelkov, G.

AU - Chen, D. Y.

AU - Chen, G.

AU - Chen, H. S.

AU - Chen, M. L.

AU - Chen, S. J.

AU - Chen, X. R.

AU - Chen, Y. B.

AU - Chen, Z. J.

AU - Cheng, W. S.

AU - Cibinetto, G.

AU - Cossio, F.

AU - Cui, X. F.

AU - Dai, H. L.

AU - Dai, X. C.

AU - Dbeyssi, A.

AU - Muramatsu, H.

AU - Poling, R.

PY - 2021/5/24

Y1 - 2021/5/24

N2 - Using 6.32 fb-1 of e+e- collision data collected by the BESIII detector at the center-of-mass energies between 4.178 and 4.226 GeV, an amplitude analysis of the Ds+→KS0K-π+π+ decays is performed for the first time to determine the intermediate-resonant contributions. The dominant component is the Ds+→K∗(892)+K̄∗(892)0 decay with a fraction of (40.6±2.9stat±4.9sys)%. Our results of the amplitude analysis are used to obtain a more precise measurement of the branching fraction of the Ds+→KS0K-π+π+ decay, which is determined to be (1.46±0.05stat±0.05sys)%.

AB - Using 6.32 fb-1 of e+e- collision data collected by the BESIII detector at the center-of-mass energies between 4.178 and 4.226 GeV, an amplitude analysis of the Ds+→KS0K-π+π+ decays is performed for the first time to determine the intermediate-resonant contributions. The dominant component is the Ds+→K∗(892)+K̄∗(892)0 decay with a fraction of (40.6±2.9stat±4.9sys)%. Our results of the amplitude analysis are used to obtain a more precise measurement of the branching fraction of the Ds+→KS0K-π+π+ decay, which is determined to be (1.46±0.05stat±0.05sys)%.

UR - https://www.scopus.com/pages/publications/85107280729

UR - https://www.scopus.com/pages/publications/85107280729#tab=citedBy

U2 - 10.1103/PhysRevD.103.092006

DO - 10.1103/PhysRevD.103.092006

M3 - Article

AN - SCOPUS:85107280729

SN - 2470-0010

VL - 103

JO - Physical Review D

JF - Physical Review D

IS - 9

M1 - 092006

ER -

Amplitude analysis and branching-fraction measurement of Ds+ → KS0 K-π+π+

Abstract

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