Measurement of R between 1.84 and 3.05 GeV at the KEDR detector

2016/10/31 by V. V. Anashin, V. M. Aulchenko, E. M. Baldin +75 · 1 citation
Physics and Astronomy · #hep-ex

paper · pdf · doi:10.1016/j.physletb.2017.04.073

arxiv created 2016/11/24 · arxiv updated 2017/05/10

Abstract

Using the KEDR detector at the VEPP-4M e⁺e^- collider, we have determined the values of R at thirteen points of the center-of-mass energy between 1.84 and 3.05 GeV. The achieved accuracy is about or better than 3.9% at most of the energy points with a systematic uncertainty less than 2.4%.

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