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Measuring ψ″ → K0SK0L as a test of the S- and D-wave mixing of charmonia

Submit Time: 2017-03-26
Author: P. Wang 1 ; X. H. Mo 1 ; C. Z. Yuan 1 ;
Institute: 1.Institute of High Energy Physics, CAS, Beijing 100039, China;


Adding to the long standing “ρπ puzzle” in ψ′and J/ψ decays, recently BEijing Spectrometer (BES) reported B(ψ′→ K0SK0L) which is enhanced relative to the pQCD “12% rule” expectation from B(J/ψ → K0SK0L). If the enhancement is due to the mixing of the S- and D-wave charmonium states as in the ρπ case, the newly measured B(ψ′ → K0SK0L) gives a constraint on B(ψ″ → K0SK0L).It erves as a good test for the scenario of the S- and D-wave mixing in the ψ′and ψ″.
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Recommended references: P. Wang,X. H. Mo,C. Z. Yuan.(2017).Measuring ψ″ → K0SK0L as a test of the S- and D-wave mixing of charmonia.[ChinaXiv:201703.00598] (Click&Copy)
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[V1] 2017-03-26 19:36:59 chinaXiv:201703.00598V1 Download
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