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Lepton flavor violating signals of the neutral top-pion in future lepton colliders | | Chong-Xing Yue
; Zheng-Jun Zong
; Li Zhou
; Shuo Yang
; | | Date: |
7 Jun 2005 | | Journal: | Phys.Rev. D71 (2005) 115011 | | Subject: | hep-ph | | Abstract: | The presence of the top-pions $pi_{t}^{0,pm}$ in the low-energy spectrum is an inevitable feature of the topcolor scenario. Taking into account the constraints of the present experimental limit of the lepton flavor violating($LFV$) process $mu o egamma$ on the free parameters of topcolor-assisted techicolor(TC2) models, we study the contributions of the neutral top-pion $pi^{0}_{t}$ to the $LFV$ processes $mu^{+}mu^{-} o au mu$ (or $ au e$), $ gamma gamma o au mu$ (or $ au e$), $e^{+} e^{-} o au mu $, and $e gamma o e pi_{t}^{0} o e au mu(e)$ via the flavor changing ($FC$) couplings $pi_{t}^{0}l_{i}l_{j}$ and discuss the possibility of searching for the $LFV$ signals via these processes in future lepton colliders. | | Source: | arXiv, hep-ph/0506070 | | Services: | Forum | Review | PDF | Favorites | |
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