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arXiv 0901.0770hep-ph
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光阵面全息和振幅级的QCD强子化

Light-Front Holography and QCD Hadronization at the Amplitude Level

Stanley J. Brodsky, Guy de Teramond

摘要:

光阵面全息术可以将AdS/QCD第五维中的强子振幅映射到物理时空中强子的与标架无关的光阵面波函数,从而在振幅水平上提供了强子的相对论描述。AdS坐标z与不变的光阵面坐标zeta相对应,zeta将夸克和胶子结合的动力学与组分自旋和内轨道角动量的运动学分开。结果是一个单变量的QCD光阵面薛定谔方程,它确定了强子的本征谱和光阵面波函数,一般的自旋和轨道角动量。本文提出了一种用AdS/QCD波前波函数计算夸克喷注和胶子喷注在振幅水平上强子化的新方法。

英文摘要:

Light-front holography allows hadronic amplitudes in the AdS/QCD fifth dimension to be mapped to frame-independent light-front wavefunctions of hadrons in physical space-time, thus providing a relativistic description of hadrons at the amplitude level. The AdS coordinate z is identified with an invariant light-front coordinate zeta which separates the dynamics of quark and gluon binding from the kinematics of constituent spin and internal orbital angular momentum. The result is a single-variable light-front Schrodinger equation for QCD which determines the eigenspectrum and the light-front wavefunctions of hadrons for general spin and orbital angular momentum. A new method for computing the hadronization of quark and gluon jets at the amplitude level using AdS/QCD light-front wavefunctions is outlined.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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