格点量子色动力学的无中子双β衰变
Neutrinoless double beta decay from lattice QCD
摘要：
虽然发现非零中微子质量是物理学家在过去一个世纪中最重要的成就之一，但这些质量是如何以及以什么形式产生的仍然是未知的。轻子数破坏的无中微子双β衰变是Majorana中微子和许多BSM理论的自然结果，许多实验工作都参与了对这些过程的研究。了解无中微子双β衰变在核环境中的表现是理解任何观测到的信号的关键。在这些会议记录中，我们提出了一套一个概述的一个和两个身体的矩阵元素相关的实验搜索中微子双β衰变，描述的作用格点量子色动力学计算，并提出初步的格点量子色动力学的结果。
英文摘要：
While the discovery of non-zero neutrino masses is one of the most important accomplishments by physicists in the past century, it is still unknown how and in what form these masses arise. Lepton number-violating neutrinoless double beta decay is a natural consequence of Majorana neutrinos and many BSM theories, and many experimental efforts are involved in the search for these processes. Understanding how neutrinoless double beta decay would manifest in nuclear environments is key for understanding any observed signals. In these proceedings we present an overview of a set of one- and two-body matrix elements relevant for experimental searches for neutrinoless double beta decay, describe the role of lattice QCD calculations, and present preliminary lattice QCD results.
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