AMSB揭秘
AMSB Demystified
摘要：
我们重新解释反常介导的超对称破缺从场论的角度来看，超共形异常耦合到手征补偿或$U(1)_R$矢量超场。当手征补偿F项和/或$U(1)_R$矢量超场D项的非零真空期望值自发破缺隐扇区中的超对称性时，可见扇区中出现超对称性的软破缺。这种方法在物理上比传统的方法更容易理解，在传统的方法中，手征补偿器被视为规范介导的超对称破缺场景中的spurion。
英文摘要：
We reinterpret anomaly-mediated supersymmetry breaking from a field-theoretic perspective in which superconformal anomalies couple to either the chiral compensator or the $U(1)_R$ vector superfield. As supersymmetry in the hidden sector is spontaneously broken by non-vanishing vacuum expectation values of the chiral compensator F-term and/or the $U(1)_R$ vector superfield D-term, the soft breakdown of supersymmetry emerges in the visible sector. This approach is physically more understandable compared with the conventional approach where the chiral compensator is treated on the same footing as a spurion in gauge-mediated supersymmetry breaking scenario.
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