Abstract
A search for the rare decay is performed using the inverse process in the decay mode . We analyze data with an integrated luminosity of accumulated at the VEPP-2000 collider with the SND detector at the center-of-mass energy , and set the upper limit at the 90% confidence level.
- Received 20 June 2018
DOI:https://doi.org/10.1103/PhysRevD.98.052007
Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
Published by the American Physical Society