Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-08-08
Phys.Rev. D66 (2002) 075013
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, 4 figures, The paper has been accepted by Phys.Rev.D
Scientific paper
10.1103/PhysRevD.66.075013
In the framework of topcolor-assisted technicolor(TC2) model, we study a neutral toppion production process $e^{-}\gamma\to e^{-}\Pi^{0}_{t}$ in this paper. Our results show that the production cross section of $e^{-}\gamma\to e^{-}\Pi^{0}_{t}$ can reach the level of several tens fb, and over $10^{3}$ neutral toppion events can be produced in the planned $e^+e^-$ linear colliders each year. Therefore, such a toppion production process provides us a unique chance to detect toppion events and test the TC2 model. On the other hand, the cross section of $e^{-}\gamma\to e^{-}\Pi^{0}_{t}$ is about one order of magnitude larger than those of some similar processes in SM and MSSM(i.e., $e^{-}\gamma\to e^{-}H$ in SM and $e^{-}\gamma\to e^{-}H^{0}(A^0,h^0)$ in MSSM). So, we can easily distinguish the neutral toppion from other neutral Higgs bosons in SM and MSSM.
Li Bingzhong
Wan Lingde
Wang Xuelei
Yang Yueling
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