Cross sections for the reactions e<SUP>+</SUP>e<SUP>-</SUP> → K<SUP>0</SUP><sub>S</sub>K<SUP>0</SUP><sub>L</sub>π<SUP>0</SUP>, K<SUP>0</SUP><sub>S</sub>K<SUP>0</SUP><sub>L</sub>η, and K<SUP>0</SUP><sub>S</sub>K<SUP>0</SUP><sub>L</sub>π<SUP>0</SUP>π<SUP>0</SUP> from events with initial-state radiation



Lees, JP, Poireau, V, Tisserand, V, Grauges, E, Palano, A, Eigen, G, Brown, DN, Kolomensky, Yu G, Fritsch, M, Koch, H
et al (show 224 more authors) (2017) Cross sections for the reactions e<SUP>+</SUP>e<SUP>-</SUP> → K<SUP>0</SUP><sub>S</sub>K<SUP>0</SUP><sub>L</sub>π<SUP>0</SUP>, K<SUP>0</SUP><sub>S</sub>K<SUP>0</SUP><sub>L</sub>η, and K<SUP>0</SUP><sub>S</sub>K<SUP>0</SUP><sub>L</sub>π<SUP>0</SUP>π<SUP>0</SUP> from events with initial-state radiation. PHYSICAL REVIEW D, 95 (5). 052001-.

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Abstract

We study the processes e+e-→KS0KL0π0γ, KS0KL0ηγ, and KS0KL0π0π0γ, where the photon is radiated from the initial state, providing cross section measurements for the hadronic final states over a continuum of center-of-mass energies. The results are based on 469 fb-1 of data collected at or near the ϒ(4S) resonance with the BABAR detector at SLAC. We present the first measurements of the e+e-→KS0KL0π0, KS0KL0η, and KS0KL0π0π0 cross sections up to a center-of-mass energy of 4 GeV and study their intermediate resonance structures. We observe J/ψ decays to all of these final states for the first time, present measurements of their J/ψ branching fractions, and search for ψ(2S) decays.

Item Type: Article
Depositing User: Symplectic Admin
Date Deposited: 24 Apr 2017 07:46
Last Modified: 14 Mar 2024 21:49
DOI: 10.1103/PhysRevD.95.052001
Open Access URL: https://arxiv.org/pdf/1701.08297
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3007094