Search for $\Upsilon(1S,2S) \to Z^{+}_{c}Z^{(\prime) -}_{c}$ and $e^{+}e^{-} \to Z^{+}_{c}Z^{(\prime) -}_{c}$ at $\sqrt{s}$ = 10.52, 10.58, and 10.867 GeV - INSPIRE

DataBETA

Search for $\Upsilon(1S,2S) \to Z^{+}_{c}Z^{(\prime) -}_{c}$ and $e^{+}e^{-} \to Z^{+}_{c}Z^{(\prime) -}_{c}$ at $\sqrt{s}$ = 10.52, 10.58, and 10.867 GeV

Belle

Collaboration

•

S. Jia
(
- Beihang U.
)

May 6, 2018

16 pages

Published in:

Phys.Rev.D 97 (2018) 11, 112004

Published: Jun 15, 2018

e-Print:

1805.02308 [hep-ex]

DOI:

10.1103/PhysRevD.97.112004

PDG:

{{\mathit \Upsilon}{(1S)}}

\rightarrow

{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4200)}^{+}}{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4200)}^{-}}

Report number:

BELLE-PREPRINT-2018-02,
KEK-PREPRINT-2017-65,
BELLE-PREPRINT-#-2018-02,
KEK-PREPRINT-#:-2017-65

Experiments:

KEK-BF-BELLE

View in:

reference search5 citations

Citations per year

Abstract: (APS)

The first search for double charged charmoniumlike state production in ϒ(1S) and ϒ(2S) decays and in e+e- annihilation at s=10.52, 10.58, and 10.867 GeV is conducted using data collected with the Belle detector at the KEKB asymmetric energy electron-positron collider. No significant signals are observed in any of the studied modes, and the 90% credibility level upper limits on their product branching fractions in ϒ(1S) and ϒ(2S) decays [B(ϒ(1S,2S)→Zc+Zc(′)-)×B(Zc+→π++cc¯) (cc¯=J/ψ, χc1(1P), ψ(2S))] and the product of Born cross section and branching fraction for e+e-→Zc+Zc(′)- (σ(e+e-→Zc+Zc(′)-)×B(Zc+→π++cc¯)) at s=10.52, 10.58, and 10.867 GeV are determined. Here, Zc refers to the Zc(3900) and Zc(4200) observed in the πJ/ψ final state, the Zc1(4050) and Zc2(4250) in the πχc1(1P) final state, and the Zc(4050) and Zc(4430) in the πψ(2S) final state.

Note:

16 pages, 10 figures, 6 tables

electron positron: energy
energy: asymmetry
branching ratio: (measured)
Upsilon(10020): decay
Upsilon(9460): decay
psi(3685): production
J/psi(3100): production
chi/c0(3415): production
charmonium: pair production
electron positron: annihilation

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