格点量子色动力学中的核反应
Nuclear Reactions from Lattice QCD
摘要：
核物理的首要目标之一是直接从强相互作用的基本理论量子色动力学（QCD）出发，严格计算强子系统的性质。特别是，我们希望能够对核反应进行可靠的计算，这将影响我们对大爆炸核合成、恒星和超新星演化以及核反应堆和高能量/密度设施内发生的环境的理解。这样的计算，是真正的从头算，将包括所有的两个核子和三个核子（和更高）的相互作用在一个一致的方式。目前，格点量子色动力学是计算某些低能强子观测量的唯一可靠的选择。为了弥合格点QCD和核多体物理之间的差距，核理论研究所于2013年3月举办了一个关于格点量子色动力学的核反应的研讨会。在这篇评论文章中，我们报告了本次研讨会中讨论的主题以及计划在未来几年内向前推进的路径。
英文摘要：
One of the overarching goals of nuclear physics is to rigorously compute properties of hadronic systems directly from the fundamental theory of strong interactions, Quantum Chromodynamics (QCD). In particular, the hope is to perform reliable calculations of nuclear reactions which will impact our understanding of environments that occur during big bang nucleosynthesis, the evolution of stars and supernovae, and within nuclear reactors and high energy/density facilities. Such calculations, being truly ab initio, would include all two-nucleon and three- nucleon (and higher) interactions in a consistent manner. Currently, lattice QCD provides the only reliable option for performing calculations of some of the low- energy hadronic observables. With the aim of bridging the gap between lattice QCD and nuclear many-body physics, the Institute for Nuclear Theory held a workshop on Nuclear Reactions from Lattice QCD on March 2013. In this review article, we report on the topics discussed in this workshop and the path planned to move forward in the upcoming years.
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