Çakır, Orhan2020-02-202020-02-202015093001https://doi.org/10.1088/1674-1137/39/9/093001http://hdl.handle.net/20.500.12575/69913From December 2011 to May 2014, about 5 fb-1 of data were taken with the BESIII detector at center-of-mass energies between 3.810 GeV and 4.600 GeV to study the charmonium-like states and higher excited charmonium states. The time-integrated luminosity of the collected data sample is measured to a precision of 1% by analyzing events produced by the large-angle Bhabha scattering process.enCC0 1.0 UniversalBhabha scatteringcharmoniumluminosityprecision measurementArticle39901081674-1137