Full one-loop supersymmetric electroweak corrections to t t ¯ h 0 associated production in e + e − annihilation
Liu Jing-Jing, Ma Wen-Gan, Han Liang, Zhang Ren-You, Jiang Yi, Wu Peng
Abstract
We present a precise calculation of the lightest neutral Higgs boson production associated with top quark pair at a linear collider. The full one-loop electroweak
O(
α
ew
)
contributions to the process
e
+
e
−
→t
t
¯
h
0
within the minimal supersymmetric standard model (MSSM) are included. We analyze the dependence of the electroweak corrections on the MSSM parameters such as
M
A
0
,
tanβ
,
M
2
,
A
f
,
M
SUSY
and
μ
. The results show that the full one-loop electroweak radiative corrections turn out to be about -20% quantitatively and thus are important for future
e
+
e
−
linear colliders.