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arXiv 1006.4375hep-phhep-exhep-lat
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行走规范理论中的一个轻膨胀

A Light Dilaton in Walking Gauge Theories

Thomas Appelquist, Yang Bai

摘要:

我们分析了近似红外共形对称的规范理论中的声子的存在性。在一定程度上,这些理论是由一个近似的固定点(步行)在红外线,明确破坏的共形对称性在这些尺度是微不足道的小。如果禁闭和自发的手征对称性破缺在某个红外尺度下发生,近似共形对称性的破缺会导致一个质量参数小于禁闭尺度的介子的存在,并且可能在大型强子对撞机上被观测到。

英文摘要:

We analyze the existence of a dilaton in gauge theories with approximate infrared conformal symmetry. To the extent that these theories are governed in the infrared by an approximate fixed point (walking), the explicit breaking of the conformal symmetry at these scales is vanishingly small. If confinement and spontaneous chiral-symmetry breaking set in at some infrared scale, the resultant breaking of the approximate conformal symmetry can lead to the existence of a dilaton with mass parametrically small compared to the confinement scale, and potentially observable at the LHC.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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