Regular Article - Experimental Physics
Study of the process in the energy range GeV with the SND detector
Budker Institute of Nuclear Physics, SB RAS, 630090, Novosibirsk, Russia
2 Novosibirsk State University, 630090, Novosibirsk, Russia
Accepted: 5 February 2022
Published online: 23 February 2022
The process is studied in the center-of-mass energy range 1.17–2.00 GeV using data with an integrated luminosity of 201 pb collected by the SND detector at the VEPP-2000 collider. The cross section is measured for the first time. It is shown that the dominant mechanism of this reaction is the transition through the intermediate state. Our result on the cross section is consistent with the measurement in the mode. The search for radiative processes contributing to the cross section is performed, and no significant signal is observed.
© The Author(s) 2022
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