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

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Research output: Contribution to journalArticlepeer-review

Abstract

We report an amplitude analysis and branching fraction measurement of decay using a data sample of 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 mass region to determine the 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 .

Original languageEnglish (US)
Article number012016
JournalPhysical Review D
Volume104
Issue number1
DOIs
StatePublished - Jul 30 2021

Bibliographical note

Funding Information:
The BESIII Collaboration thanks the staff of BEPCII and the IHEP computing center for their strong support. This work is supported in part by National Key Research and Development Program of China under Contracts No. 2020YFA0406400 and No. 2020YFA0406300; National Natural Science Foundation of China (NSFC) under Contracts No. 11625523, No. 11635010, No. 11735014, No. 11822506, No. 11835012, No. 11935015, No. 11935016, No. 11935018, No. 11961141012; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contracts No. U1732263, No. U1832207; CAS Key Research Program of Frontier Sciences under Contracts No. QYZDJ-SSW-SLH003, No. QYZDJ-SSW-SLH040; 100 Talents Program of CAS; The Institute of Nuclear and Particle Physics and Shanghai Key Laboratory for Particle Physics and Cosmology; ERC under Contract No. 758462; German Research Foundation DFG under Contracts No. 443159800, Collaborative Research Center CRC 1044, FOR 2359, FOR 2359, GRK 214; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey under Contract No. DPT2006K-120470; National Science and Technology fund; Olle Engkvist Foundation under Contract No. 200-0605; STFC (United Kingdom); The Knut and Alice Wallenberg Foundation (Sweden) under Contract No. 2016.0157; The Royal Society, UK under Contracts Nos. DH140054, No. DH160214; The Swedish Research Council; U.S. Department of Energy under Contract No. DE-FG02-05ER41374, No. DE-SC-0012069.

Funding Information:
National Key Research and Development Program of China National Natural Science Foundation of China Joint Fund of Research utilizing Large-scale Scientific Facilities Chinese Academy of Sciences Key Research Program of Frontier Science, Chinese Academy of Sciences 100 Talents Program of CAS Institute of Nuclear and Particle Physics Shanghai Key Laboratory for Particle Physics and Cosmology European Research Council Deutsche Forschungsgemeinschaft Collaborative Research Center Instituto Nazionale di Fisica Nucleare Kalkinma Bakanli?i National Science and Technology fund Stiftelsen Olle Engkvist Byggm?stare Science and Technology Facilities Council Knut och Alice Wallenbergs Stiftelse Royal Society Vetenskapsr?det U.S. Department of Energy

Publisher Copyright:
© 2021 Published by the American Physical Society

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