Observation of $e^{+}e^{-} \to \eta h_{c}$ at center-of-mass energies from 4.085 to 4.600 GeV - INSPIRE

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Observation of $e^{+}e^{-} \to \eta h_{c}$ at center-of-mass energies from 4.085 to 4.600 GeV

BESIII

Collaboration

Apr 26, 2017

13 pages

Published in:

Phys.Rev.D 96 (2017) 1, 012001

Published: Jul 10, 2017

e-Print:

1704.08033 [hep-ex]

DOI:

10.1103/PhysRevD.96.012001

PDG:

{{\mathit \psi}{(4160)}}

\rightarrow

{{\mathit h}_{{{c}}}{(1P)}}{{\mathit \eta}}

Experiments:

BEPC-BES-III

View in:

ADS Abstract Service

reference search17 citations

Citations per year

Abstract: (APS)

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.

electron positron: annihilation
electron positron: colliding beams
h/c(3526): electroproduction
channel cross section: measured
channel cross section: upper limit
BES
Beijing Stor
experimental results
electron positron --> eta h/c(3526)
4.226 GeV-cms

References(69)

Figures(9)

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