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Title: Search for the process e + e $$-$$ J / ψ X ( 1835 ) at s 10.6 GeV

Journal Article · · Physical Review. D, Particles, Fields, Gravitation and Cosmology
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We report the results of a search for the X(1835) state in the process e+e-→J/ψX(1835) using a data sample of 672 fb-1 collected with the Belle detector at and near the Υ(4S) resonance at the KEKB asymmetric-energy e+e- collider. No significant evidence is found for this process, and an upper limit is set on its cross section times the branching fraction: σBorn(e+e-→J/ψX(1835))•B(X(1835)→≥3 charged tracks)<1.3 fb at 90% confidence level.

Research Organization:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)
Sponsoring Organization:
USDOE
Contributing Organization:
Belle Collaboration
DOE Contract Number:
AC05-76RL01830
OSTI ID:
1314419
Report Number(s):
PNNL-SA-100457; 45392; KA2201020
Journal Information:
Physical Review. D, Particles, Fields, Gravitation and Cosmology, Vol. 89, Issue 3; ISSN 1550-7998
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English