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粲物理实验研究未来装置的展望

Future prospects of experimental facilities for charm physics studies

  • 摘要: 过去50年,粲物理研究以含粲夸克的粒子(如粲介子、粲重子及粲偶素态)为核心,揭示了强、弱相互作用的深层规律,并为探索新物理提供了独特窗口。粲夸克作为唯一可形成束缚态并研究弱衰变的“上型”夸克,其研究依赖于加速器实验,目前主要依托BESⅢ、BelleⅡ、LHCb等实验。面向未来,粲物理将依托新一代的高亮度实验装置,包括中国超级陶粲装置(STCF)和环形正负电子对撞机(CEPC)。这两个装置将形成互补:STCF深耕低能区的系统性测量,CEPC依托高能扩展相空间,共促强相互作用理论、宇宙正反物质不对称性及奇特强子态本质的突破。文章介绍了这些未来大科学工程的设计概况,以及最新的研究进展。这些未来的大科学装置不仅是粒子物理探索物质起源与基本相互作用的载体,更将引领技术革新,为人类理解宇宙开启新篇章。

     

    Abstract: Over the past 50 years, charm physics studies that focused on particles containing charm quarks (such as charm mesons, charm baryons, and charmonium states), have uncovered profound laws of strong and weak interactions and provided a unique window for exploring new physics. As the only“up-type”quark capable of forming bound states and studying weak decays, charm quarks rely on accelerator experiments, primarily conducted through facilities like BESⅢ, BelleⅡ, and LHCb. Looking ahead, charm physics will leverage next-generation high-luminosity experimental facilities, including China’s Super Tau-Charm Facility (STCF) and the Circular Electron-Positron Collider (CEPC). These two facilities will complement each other: STCF will focus on systematic studies in the low-energy regime, while CEPC will extend the phase space at high energies, jointly advancing breakthroughs in strong interaction theory, matter-antimatter asymmetry, and the nature of exotic states. This article outlines the design concepts of these future large-scale scientific projects and highlights recent progress. These cutting-edge facilities will not only serve as platforms for exploring the origin of matter and fundamental interactions in particle physics but also drive technological innovation, opening new chapters in humanity’s understanding of the universe.

     

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