2017/08/30 by S. Dobbs, Kamal K. Seth, A. Tomaradze +3 · 65 citations
Physics and Astronomy · #Baryon #Black Holes and Theoretical Physics #Diquark #Form factor (electronics) #Hyperon #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #hep-ex #hep-ph
paper · pdf · doi:10.1103/physrevd.96.092004
published in Physical review. D/Physical review. D. 96(9) (American Physical Society) · 10 pages, 9 figures, submitted to Phys. Rev. D
arxiv created 2017/08/30 · openalex created_date 2017/09/15 · openalex publication_date 2017/11/17 · arxiv updated 2017/11/22 · openalex updated_date 2026/08/05
Using e+e^\ensuremath- annihilation data taken at the CESR collider with the CLEO-c detector, measurements of hyperon pair production cross sections and elastic and transition electromagnetic form factors have been made at the charmonium resonances: \ensuremathψ(2S), √(s)=3.69 GeV, |Q2|=13.6 GeV2, L=48 pb^\ensuremath-1; \ensuremathψ(3770), √(s)=3.77 GeV, |Q2|=14.2 GeV2, L=805 pb^\ensuremath-1; and \ensuremathψ(4170), √(s)=4.17 GeV, |Q2|=17.4 GeV2, L=586 pb^\ensuremath-1. Results with good statistical precision are obtained with high efficiency particle identification. Systematics of pair production cross sections, and form factors with respect to the number of strange quarks in the hyperons are studied, and evidence is presented for the effects of diquark correlations in comparative results for \mathrm\ensuremathΛ0 and \mathrm\ensuremathΣ0, both of which have the same uds quark content but different isospin.