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arXiv 1608.04539hep-ph
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激发P波重夸克偶素的光锥分布振幅

Light Cone Distribution Amplitudes of Excited P-Wave Heavy Quarkonia at the Leading Twist

M. A. Olpak, A. Ozpineci, V. Tanriverdi

摘要:

在利用光锥QCD求和规则计算各种强子振幅时,超前扭转光锥分布振幅(LCDAs)是一个重要的组成部分。本工作主要研究P波重夸克偶素的主导扭转液晶态密度分布。计算了P波粲夸克偶素和底夸克偶素的基态、第一和第二激发态的夸克模型波函数,并用于计算相应的LCDAs和轻子衰变常数。

英文摘要:

Leading twist light cone distribution amplitudes (LCDAs) are key ingredients in calculating various hadronic amplitudes using light cone QCD sum rules. This work concentrates on calculating the leading twist LCDAs of P-wave heavy quarkonia. Quark model wavefunctions for the ground, first and second excited states of P-wave charmonia and bottomonia have been calculated, and are used for calculating the relevant LCDAs and leptonic decay constants.

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