Journal
PHYSICAL REVIEW D
Volume 98, Issue 7, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.98.072003
Keywords
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Funding
- National Key Basic Research Program of China [2015CB856700]
- National Natural Science Foundation of China (NSFC) [11235011, 11335008, 11425524, 11625523, 11635010, 11675183, 11735014]
- National Key' Research and Development Program of China [2017YFB0203200]
- Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program
- CAS Center for Excellence in Particle Physics (CCEPP)
- Joint Large-Scale Scientific Facility Fund of the NSFC [U1332201, U1532257, U1532258]
- Joint Large-Scale Scientific Facility Fund of the CAS [U1332201, U1532257, U1532258]
- CAS [KJCX2-YW-N29, KJCX2-YW-N45, QYZDJ-SSW-SLH003]
- 100 Talents Program of CAS
- National 1000 Talents Program of China
- INPAC and Shanghai Key Laboratory for Particle Physics and Cosmology
- German Research Foundation (DFG) [CRC 1044, FOR 2359]
- Istituto Nazionale di Fisica Nucleare, Italy
- Koninklijke Nederlandse Akademie van Wetenschappen (KNAW) [530-4CDP03]
- Ministry of Development of Turkey [DPT2006K-120470]
- NSFC [11505034, 11575077]
- National Science and Technology fund
- Swedish Research Council
- U.S. Department of Energy [DE-FG02-05ER41374, DE-SC-0010118, DE-SC-0010504, DE-SC-0012069]
- University of Groningen (RuG)
- Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt
- World Class University (WCU) Program of National Research Foundation of Korea [R32-2008-000-10155-0]
- Ministry of Education, Science & Technology (MoST), Republic of Korea [R32-2008-000-10155-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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An amplitude analysis of the KSKS system produced in radiative J/psi decays is performed using the (1310.6 +/- 7.0) x 10(6) nip decays collected by the BESIII detector. Two approaches are presented. A mass-dependent analysis is performed by parametrizing the KSKS invariant mass spectrum as a sum of Breit-aligner line shapes. Additionally, a mass-independent analysis is performed to extract a piecewise function that describes the dynamics of the KSKS system while making minimal assumptions about the properties and number of poles in the amplitude. The dominant amplitudes in the mass-dependent analysis include the f(0)(1710), f(0)(2200), and f(2)'(1525). The mass-independent results, which are made available as input for further studies, are consistent with those of the mass-dependent analysis and are useful for a systematic study of hadronic interactions. The branching fraction of radiative J/psi decays to KSKS is measured to be (8.1 +/- 0.4) x 10(-4), where the uncertainty is systematic and the statistical uncertainty is negligible.
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