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arXiv 1210.6345hep-ph
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具有强子初态的天线簇射

Antenna Showers with Hadronic Initial States

M. Ritzmann, D. A. Kosower, P. Skands

摘要:

我们提出了一个天线簇射形式主义,包括从初始状态部分子和相应的向后演化的贡献。我们给出了一组无质量部分子的相空间映射和天线函数,它们定义了一个完整的簇射形式,适用于计算强子初态的可观测量。我们专注于初始状态组件:初始初始和初始最终天线配置。形式主义包括全面的不确定性估计的可能性。我们报告的一些初步结果与实施Vincia天线淋浴框架。

英文摘要:

We present an antenna shower formalism including contributions from initial-state partons and corresponding backwards evolution. We give a set of phase-space maps and antenna functions for massless partons which define a complete shower formalism suitable for computing observables with hadronic initial states. We focus on the initial-state components: initial-initial and initial-final antenna configurations. The formalism includes comprehensive possibilities for uncertainty estimates. We report on some preliminary results obtained with an implementation in the Vincia antenna-shower framework.

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