Single top partner production in the tZ channel at eγ collision in the littlest Higgs model with T-parity

Bingfang Yang(杨炳方),Hengheng Bi(毕恒恒),Biaofeng Hou(侯镖锋),Bingjie Wu(武冰洁)

Table 1. The processes of signals (S) and backgrounds (B) for two modes.

Process Mode A Mode B S ${e}^{-}\gamma \to {\bar{T}}_{+}b{\nu }_{e}$ ${\bar{T}}_{+}\to \bar{t}Z$, $\bar{t}\to {jj}\bar{b}$, $Z\to {l}^{+}{l}^{-}$ ${\bar{T}}_{+}\to \bar{t}Z$, $\bar{t}\to {l}^{-}\bar{{\nu }_{l}}\bar{b}$, $Z\to {jj}$ B1 ${e}^{-}\gamma \to {W}^{-}{ZZ}{\nu }_{e}$ ${W}^{-}\to {jj}$, ${Z}_{1}\to {l}^{+}{l}^{-}$, ${Z}_{2}\to b\bar{b}$ ${W}^{-}\to {l}^{-}\bar{{\nu }_{l}}$, ${Z}_{1}\to {jj}$, ${Z}_{2}\to b\bar{b}$ B2 ${e}^{-}\gamma \to t\bar{t}{W}^{-}{\nu }_{e}$ $t\to {l}^{+}{\nu }_{l}b$, $\bar{t}\to {W}^{-}\bar{b}$ ${W}_{1}^{-}\to {l}^{-}{\bar{\nu }}_{l}$, ${W}_{2}^{-}\to {jj}$ $t\to {jjb}$, $\bar{t}\to {W}^{-}\bar{b}$ ${W}_{1}^{-}\to {l}^{-}{\bar{\nu }}_{l}$, ${W}_{2}^{-}\to {jj}$ B3 ${e}^{-}\gamma \to {{ZW}}^{-}h{\nu }_{e}$ $Z\to {l}^{+}{l}^{-}$, ${W}^{-}\to {jj}$, $h\to b\bar{b}$ $Z\to {jj}$, ${W}^{-}\to {l}^{-}\bar{{\nu }_{l}}$, $h\to b\bar{b}$ B4 ${e}^{-}\gamma \to \bar{t}{bZ}{\nu }_{e}$ $\bar{t}\to {jj}\bar{b}$, $Z\to {l}^{+}{l}^{-}$ $\bar{t}\to {l}^{-}\bar{{\nu }_{l}}\bar{b}$, $Z\to {jj}$