Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 74, Issue 9, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-014-3041-x
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Funding
- National Natural Science Foundation of China [11475257, 11105222, 11275268]
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The improved light-cone distribution amplitudes (LCDAs) of the Lambda baryon are examined on the basis of the QCD conformal partial wave expansion approach. The calculations are carried out to the next-to-leading order of conformal spin accuracy with consideration of twist 6. The next leading order conformal expansion coefficients are related to the nonperturbative parameters defined by the local three-quark operator matrix elements with different Lorentz structures with a covariant derivative. The nonperturbative parameters are determined with the QCD sum rule method. The explicit expressions of the LCDAs are provided as the main results.
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