Measurement of the $e^+e^- \to \omega\eta$ cross section below $\sqrt{s}=2$ GeV

A. A. Botov; A. A. Korol; A. E. Obrazovsky; A. G. Bogdanchikov; A. G. Kharlamov; A. I. Senchenko; A. N. Kirpotin; A. N. Skrinsky; A. S. Kasaev; A. S. Kupich

arxiv: 1607.00371 · v1 · pith:Z6SDZB4Anew · submitted 2016-07-01 · ✦ hep-ex

Measurement of the e^+e^- to ωη cross section below sqrt{s}=2 GeV

M. N. Achasov , A. Yu. Barnyakov , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , A. A. Botov , T. V. Dimova , V. P. Druzhinin

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V. B. Golubev L. V. Kardapoltsev A. S. Kasaev A. G. Kharlamov A. N. Kirpotin D. P. Kovrizhin I. A. Koop A. A. Korol S. V. Koshuba A. S. Kupich K. A. Martin N. A. Melnikova A. E. Obrazovsky E. V. Pakhtusova A. I. Senchenko S. I. Serednyakov Z. K. Silagadze Yu. M. Shatunov D. A. Shtol D. B. Shwartz A. N. Skrinsky I. K. Surin Yu. A. Tikhonov A. V. Vasiljev

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keywords crossomegasectiondatameasuredmeasurementaccurateanalysis

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The cross section for the process $e^+e^- \to \omega\eta$ is measured in the center-of-mass energy range 1.34--2.00 GeV. The analysis is based on data collected with the SND detector at the VEPP-2000 $e^+e^-$ collider. The measured $e^+e^- \to \omega\eta$ cross section is the most accurate to date. A significant discrepancy is observed between our data and previous BABAR measurement.

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