Observation of e+e-→ηhc at center-of-mass energies from 4.085 to 4.600 GeV

Observation of e+e-→ηhc at center-of-mass energies from 4.085 to 4.600 GeV We observe for the first time the process e+e-→ηhc with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy s=4.226  GeV, and the Born cross section is measured to be (9.5-2.0+2.2±2.7)  pb. Evidence for ηhc is observed at s=4.358  GeV with a Born cross section of (10.0-2.7+3.1±2.6)  pb, and upper limits on the production cross section at other center-of-mass energies between 4.085 and 4.600 GeV are determined. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review D American Physical Society (APS)

Observation of e+e-→ηhc at center-of-mass energies from 4.085 to 4.600 GeV

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Physical Review D , Volume 96 (1) – Jul 1, 2017
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Observation of e+e-→ηhc at center-of-mass energies from 4.085 to 4.600 GeV

Abstract

We observe for the first time the process e+e-→ηhc with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy s=4.226  GeV, and the Born cross section is measured to be (9.5-2.0+2.2±2.7)  pb. Evidence for ηhc is observed at s=4.358  GeV with a Born cross section of (10.0-2.7+3.1±2.6)  pb, and upper limits on the production cross section at other center-of-mass energies between 4.085 and 4.600 GeV are determined.
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Publisher
The American Physical Society
Copyright
Copyright © © 2017 American Physical Society
ISSN
1550-7998
eISSN
1550-2368
D.O.I.
10.1103/PhysRevD.96.012001
Publisher site
See Article on Publisher Site

Abstract

We observe for the first time the process e+e-→ηhc with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy s=4.226  GeV, and the Born cross section is measured to be (9.5-2.0+2.2±2.7)  pb. Evidence for ηhc is observed at s=4.358  GeV with a Born cross section of (10.0-2.7+3.1±2.6)  pb, and upper limits on the production cross section at other center-of-mass energies between 4.085 and 4.600 GeV are determined.

Journal

Physical Review DAmerican Physical Society (APS)

Published: Jul 1, 2017

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