Abstract
In this contribution a brief review about the status of higher order corrections to Higgs boson production within the Minimal Supersymmetric Standard Model (MSSM) is given. Furthermore the first activities towards third-order corrections in the Standard Model (SM) are discussed.
Highlights
The discovery of a new Higgs boson-like particle at LHC [1, 2] has triggered plenty activities with the aim to pin down its properties like couplings and decay rates
The theoretical framework of our calculations is the effective theory where all particles which are heavier than the Higgs boson are integrated out
In the Minimal Supersymmetric Standard Model (MSSM), C1 becomes a complicated function of all heavy mass scales and μ
Summary
The discovery of a new Higgs boson-like particle at LHC [1, 2] has triggered plenty activities with the aim to pin down its properties like couplings and decay rates. In this contribution we consider the production cross section of a Higgs boson in the gluon-fusion channel and discuss the status both for the SM and the MSSM. [3,4,5,6] it has been demonstrated that at nextto-next-to-leading order (NNLO) the effective-theory approach of Eq (1) approximates the exact SM result with an accuracy below 1%, in particular for Higgs boson masses around 126 GeV.
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