In:
Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2024, No. 7 ( 2024-07-10)
Abstract:
We measured the Born cross sections for the process e + e − → ωη ′ at 22 center-of-mass energies from 2.000 to 3.080 GeV with the BESIII detector at the BEPCII collider. We observed a resonant structure with a statistical significance of 9.6 σ . A Breit-Wigner fit determines its mass to be M R = (2153 ± 30 ± 31) MeV /c 2 and its width to be Γ R = (167 ± 77 ± 7) MeV, where the first uncertainties are statistical and the second are systematic.
Type of Medium:
Online Resource
ISSN:
1029-8479
DOI:
10.1007/JHEP07(2024)093
Language:
English
Publisher:
Springer Science and Business Media LLC
Publication Date:
2024
detail.hit.zdb_id:
2027350-2