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Measurement of integrated luminosities at BESIII for data samples at center-of-mass energies between 4.0 and 4.6 GeV*

Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Kolcu, O. B. (IOP Publishing Ltd, 2022)

The integrated luminosities of data samples collected in the BESIII experiment in 2016-2017 at center-of-mass energies between 4.19 and 4.28 GeV are measured with a precision better than 1% by analyzing large-angle Bhabha ...
Observation of the Y(4230) and a new structure in e(+)e(-) -> K+ K- J/psi

Ablikim, M; Achasov, MN; Adlarson, P.; Albrecht, M.; Kolcu, Onur Buğra (IOP Publishing Ltd, 2022)

The cross sections of e(+)e(-) -> K+K- J/psi at center-of-mass energies from 4.127 to 4.600 GeV are measured based on 15.6 fb(-1) data collected with the BESIII detector operating at the BEPCII storage ring. Two resonant ...