Aug 23 – 28, 2010
Bonn
Europe/Berlin timezone

NLO-QCD bottom corrections to Higgs boson production in the MSSM

Aug 27, 2010, 2:17 PM
15m
Gr. Hörsaal Mathematik (Bonn)

Gr. Hörsaal Mathematik

Bonn

Nussallee 12

Speaker

Prof. Giuseppe Degrassi (Università di Roma Tre, INFN Roma Tre)

Description

We present a calculation of the two-loop bottom-sbottom-gluino contributions to Higgs boson production via gluon fusion in the MSSM. The calculation is based on an asymptotic expansion in the masses of the supersymmetric particles, which are assumed to be much heavier than the bottom quark and the Higgs bosons. We obtain explicit analytic results that allow for a straightforward identification of the dominant contributions in the NLO bottom corrections. We emphasize the interplay between the calculations of the mass and the production cross section of the Higgs bosons, discussing sensible choices of renormalization scheme for the parameters in the bottom/sbottom sector.

Primary authors

Prof. Giuseppe Degrassi (Università di Roma Tre, INFN Roma Tre) Dr Pietro Slavich (LPTHE Paris)

Presentation materials