New Terms for Compact Form of Electroweak Chiral Lagrangian
New Terms for Compact Form of Electroweak Chiral Lagrangian
摘要
The compact form of the electroweak chiral Lagrangian is a reformulation of its original form and is expressed in terms of chiral rotated electroweak gauge fields, which is crucial for relating the information of underlying theories to the coefficients of the low-energy effective Lagrangian. However the compact form obtained in previous works is not complete. In this letter we add several new chiral invariant terms to it and discuss the contributions of these terms to the original electroweak chiral Lagrangian.
基金
supported by National Natural Science Foundation of China and the Science Foundation of Sun Yet-Sen University
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