2018 Impact factor 4.843
Particles and Fields
Eur. Phys. J. C 14, 91-101
DOI 10.1007/s100520000310

Yukawa corrections to the charged Higgs boson production in association with the top quark at hadron colliders

L.G. Jin1 - C.S. Li1 - R.J. Oakes2 - S.H. Zhu3,4

1 Department of Physics, Peking University, Beijing 100871, P.R. China
2 Department of Physics and Astronomy, Northwestern University, Evanston, IL 60208-3112, USA
3 CCAST (World Laboratory), Beijing 100080, P.R. China
4 Institute of Theoretical Physics, Academia Sinica, Beijing 100080, P.R. China

Received: 12 October 1999 / Revised version: 3 December 1999 /
Published online: 6 April 2000 - © Springer-Verlag 2000

Abstract
We calculate the Yukawa corrections of order $O(\alpha_{{\mathrm {ew}}}m_{t(b)}^{2}/m_{W}^{2})$ to charged Higgs boson production in association with a top quark at the Tevatron and the LHC. The corrections are not very sensitive to the mass of the charged Higgs boson and can exceed $-20\%$ for low values of $\tan\beta$, where the contribution of the top quark is large, and high values of $\tan\beta$ where the contribution of the bottom quark becomes large. These Yukawa corrections could be significant for charged Higgs boson searches based on this production process, particularly at the LHC where the cross section is relatively large.


Copyright Società Italiana di Fisica, Springer-Verlag 2000