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research article

Measurement of e(+)e(-) -> gamma chi(cJ) via initial state radiation at Belle

Han, Y. L.
•
Wang, X. L.
•
Yuan, C. Z.
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2015
Physical Review D [1970-2015]

The process e(+)e(-) -> gamma chi(cJ) (J = 1, 2) is studied via initial state radiation using 980 fb(-1) of data at and around the Gamma(nS) (n = 1, 2, 3, 4, 5) resonances collected with the Belle detector at the KEKB asymmetricenergy e(+)e(-) collider. No significant signal is observed except from psi(2S) decays. Upper limits on the cross sections between root s = 3.80 and 5.56 GeV are determined at the 90% credibility level, which range from a few pb to a few tens of pb. We also set upper limits on the decay rate of the vector charmonium [psi(4040), psi(4160), and psi(4415)] and charmoniumlike [Y(4260), Y(4360), and Y(4660)] states to gamma chi(cJ).

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Type
research article
DOI
10.1103/PhysRevD.92.012011
Web of Science ID

WOS:000358256700001

Author(s)
Han, Y. L.
Wang, X. L.
Yuan, C. Z.
Shen, C. P.
Wang, P.
Abdesselam, A.
Adachi, I.
Aihara, H.
Al Said, S.
Asner, D. M.
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Corporate authors
Belle Collaboration
Date Issued

2015

Publisher

American Physical Society

Published in
Physical Review D [1970-2015]
Volume

92

Issue

1

Article Number

012011

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LPHE  
Available on Infoscience
September 28, 2015
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/118923
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