NLO corrections to $\chi_{bJ}$ to two-$J/\psi$ exclusive decay processes - INSPIRE

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NLO corrections to $\chi_{bJ}$ to two- $J/\psi$ exclusive decay processes

Long-Bin Chen
(
- Beijing, GUCAS
)
,
Cong-Feng Qiao
(
- Beijing, GUCAS and
- Hefei, CUST
)

Jan 24, 2014

7 pages

Published in:

Phys.Rev.D 89 (2014) 7, 074004

Published: Mar 31, 2014

e-Print:

1401.6323 [hep-ph]

DOI:

10.1103/PhysRevD.89.074004

View in:

ADS Abstract Service

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Abstract: (APS)

The next-to-leading order QCD corrections for χbJ, the p-wave bottomonium, to J/ψ pair decay processes are evaluated utilizing NRQCD factorization formalism. The scale dependence of the χb2→J/ψJ/ψ process is depressed with NLO corrections, and hence the uncertainties in the leading-order results are greatly reduced. The total branch ratios are found to be the order of 10-5 for all three χbJ→J/ψJ/ψ processes, indicating that they are observable in the LHC and SuperB experiments.

Note:

To appear in PRD

12.38.Bx
13.25.Gv
14.40.Be
quantum chromodynamics: correction
quantum chromodynamics: nonrelativistic
higher-order: 1
higher-order: 0
CERN LHC Coll
bottomonium: decay
chi mesons --> J/psi(3100) J/psi(3100)

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Figures(3)

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