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Published May 1, 2017 | Published + Submitted
Journal Article Open

Measurement of the e^+e^− → K^0_sK^±π^∓π^0 and K^0_sK^±π^∓η cross sections using initial-state radiation


The processes e^+e^− → K^0_SK^±π^∓π^0 and e^+e^− → K^0_SK^±π^∓η are studied over a continuum of energies from threshold to 4 GeV with the initial-state photon radiation method. Using 454  fb^(-1) of data collected with the BABAR detector at the SLAC PEP-II storage ring, the first measurements of the cross sections for these processes are obtained. The intermediate resonance structures from K^(*0)(Kπ)^0, K^∗(892)^±(Kπ)^∓ , and K^0_SK^±ρ^∓ are studied. The J/ψ is observed in all of these channels, and corresponding branching fractions are measured.

Additional Information

© 2017 American Physical Society. Received 19 April 2017; published 30 May 2017. We are grateful for the extraordinary contributions of our PEP-II2 colleagues in achieving the excellent luminosity and machine conditions that have made this work possible. The success of this project also relies critically on the expertise and dedication of the computing organizations that support BABAR. The collaborating institutions wish to thank SLAC for its support and the kind hospitality extended to them. This work is supported by the US Department of Energy and National Science Foundation, the Natural Sciences and Engineering Research Council (Canada), the Commissariat à l'Energie Atomique and Institut National de Physique Nucléaire et de Physique des Particules (France), the Bundesministerium für Bildung und Forschung and Deutsche Forschungsgemeinschaft (Germany), the Istituto Nazionale di Fisica Nucleare (Italy), the Foundation for Fundamental Research on Matter (Netherlands), the Research Council of Norway, the Ministry of Education and Science of the Russian Federation, Ministerio de Economía y Competitividad (Spain), the Science and Technology Facilities Council (United Kingdom), and the Binational Science Foundation (U.S. and Israel). Individuals have received support from the Marie-Curie IEF program (European Union) and the A. P. Sloan Foundation (USA).

Attached Files

Published - PhysRevD.95.092005.pdf

Submitted - 1704.05009.pdf


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