Qian Wang, Zhirui Xu, Aurelio Bay, Liang Sun, Horst Arthur Vogel, Jian Zhao, Eduardo Sanchez
The evolution of the electromagnetic coupling, α, in the momentum-transfer range 1800 GeV2 < -Q2 < 21600 GeV2 is studied with about 40 000 Bhabha-scattering events collected with the L3 detector at LEP at centre-of-mass energies √s = 189-209 GeV. The runni ...
2005
