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New Terms for Compact Form of Electroweak Chiral Lagrangian |
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| Authors: | ZHANG Hong-Hao YAN Wen-Bin J.K. Parry LI Xue-Song |
| Affiliation: | 1. School of Physics and Engineering, Sun Yet-Sen University,Gunagzhou 510275, China;2. Center for High Energy Physics & Department of Physics, Tsinghua University, Beijing 100084, China;3. Science College, Hunan Agricultural University, Changsha 410128, China;4. Department of Physics and Astronomy, State University of New York at Stony Brook, New York 11794, USA |
| Abstract: | 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 forrelating the information of underlying theories to the coefficientsof 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 thecontributions of these terms to the original electroweak chiral Lagrangian. |
| Keywords: | electroweak chiral Lagrangian beyond standard model |
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