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q_{T} 用多个喷气流切片

Rong-Jun Fu1, Rudi Rahn2, Ding Yu Shao1,3,4

  • 1Fudan University, Department of Physics and Center for Field Theory and Particle Physics, Shanghai 200433, China.

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概括
此摘要是机器生成的。

这项研究引入了新的q_{T}切片变量,用于高精度量子色态动力学 (QCD) 涉及喷射的计算. 这些方法可以准确地进行理论预测,以下一个到下一个到领先的顺序对复杂的多喷气最终状态进行预测.

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科学领域:

  • 高能物理 高能物理
  • 量子色态动力学 (QCD) 是一个
  • 碰撞器的现象学

背景情况:

  • 精确的理论预测对于现代碰撞机现象学至关重要.
  • 切片技术对于实现下一个到下一个到领先的顺序 (NNLO) 精度至关重要.
  • 对于喷气过程来说,将横动量 (q_{T}) 切片变量概括为具有挑战性.

研究的目的:

  • 为喷气过程提出和验证q_{T}切片变量的新概括.
  • 为了使多喷气式最终状态的高精度QCD计算成为可能.
  • 为了促进NNLO在碰撞器现象学中的预测.

主要方法:

  • 为喷气过程开发两个概括的q_{T}变量.
  • 对于pp→2喷气的概念验证NLO切片.
  • 计算NNLO对线软函数的计算.
  • 对e^{+}e^{-}→2喷气进行NNLO切片的演示.

主要成果:

  • 成功地将q_{T}切片用于喷射过程的概括.
  • 提出了使NNLO方法成为可能的因子化公式.
  • 计算了NNLO对直线软函数.
  • 在NNLO展示了对e^{+}e^{-}→2喷气的切片.
  • 确定了平面Born过程的简化软函数.

结论:

  • 拟议的q_{T}概括为NNLO QCD计算提供了一个可行的路径,使用多喷气式最终状态.
  • 这些方法可以扩展到预测哈德龙碎片化.
  • 这项工作推动了粒子物理学中的高精度计算.