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Color-octet quarkonium production at the Z pole

机译:Z极上的彩色八分圆夸克产

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摘要

The direct production rate of J/(psi) via the color-octet mechanism is calculated at the Z resonance. The color-octet production process Z (r arrow) J/(psi)q(anti q) is shown to have a substantial branching ratio as well as a distinctive energy spectrum, which can be used as a powerful tool to distinguish from the color-singlet direct production of the J/(psi).

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