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Amplitude analysis and branching fraction measurement of the decay D-s(+) -> K+pi(+)pi(-)

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Date

2022

Author

Ablikim, M.
Achasov, M. N.
Adlarson, P.
Cetin, Serkant Ali
Kolcu, Onur Bugra

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Citation

Ablikim, M., Achasov, M. N., Adlarson, P., Cetin, S. A., Kolcu, O. B. (2022). Amplitude analysis and branching fraction measurement of the decay D-s(+) -> K+pi(+)pi(-). Journal of High Energy Physics, (8).

Abstract

Using 6.32 fb(-1) of e(+)e(-) collision data collected at the center-of-mass energies between 4.178 and 4.226 GeV with the BESIII detector, we perform an amplitude analysis of the decay D-s(+) -> K+pi(+)pi(-) and determine the amplitudes of the various intermediate states. The absolute branching fraction of D-s(+) -> K+pi(+)pi(-) is measured to be (6.11 +/- 0 .18(stat.) +/- 0.11(syst.)) x 10(-3). The branching fractions of the dominant intermediate processes D-s(+) -> K+C+rho(0), rho(0) -> pi(+)pi(-) and D-s(+) -> K*(892)(0)pi(+), K*(892)(0) -> K+pi(-) are determined to be (1.96 +/- 0.19(stat.) +/- 0.23(syst.)) x 10(-3) and (1.85 +/- 0.12(stat.) +/- 0.13(syst.)) x 10(-3), respectively. The intermediate resonances f(0)(500), f(0)(980), and f(0)(1370) are observed for the first time in this channel.

Source

JOURNAL OF HIGH ENERGY PHYSICS

Issue

8

URI

https://doi.org/10.1007/JHEP08(2022)196
https://hdl.handle.net/20.500.12713/3139

Collections

  • Scopus İndeksli Yayınlar Koleksiyonu [1924]
  • WoS İndeksli Yayınlar Koleksiyonu [2043]



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