Observation of e+e−→ηhc at center-of-mass energies from 4.085 to 4.600 GeV
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DOI: 10.1103/physrevd.96.012001
Abstract: We observe for the first time the process e(+) e(-) -> eta h(c) with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy root s = 4.226 GeV, and the… read more here.
Keywords: 600 gev; center mass; mass; 085 600 ... See more keywords
Evidence for e+e−→γηc(1S) at center-of-mass energies between 4.01 and 4.60 GeV
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DOI: 10.1103/physrevd.96.051101
Abstract: We present first evidence for the process e(+)e(-) -> gamma eta(c)(1S) at six center-of-mass energies between 4.01 and 4.60 GeV using data collected by the BESIII experiment operating at BEPCII. We measure the Born cross… read more here.
Keywords: center mass; energies gev; evidence; mass energies ... See more keywords
Study of the reactions e+e−→π+π−π0π0π0 and π+π−π0π0η at center-of-mass energies from threshold to 4.35 GeV using initial-state radiation
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DOI: 10.1103/physrevd.98.112015
Abstract: Author(s): Lees, JP; Poireau, V; Tisserand, V; Grauges, E; Palano, A; Eigen, G; Brown, DN; Kolomensky, YG; Fritsch, M; Koch, H; Schroeder, T; Hearty, C; Mattison, TS; McKenna, JA; So, RY; Blinov, VE; Buzykaev, AR;… read more here.
Keywords: center mass; mass; threshold gev; initial state ... See more keywords