Supersymmetric Electroweak Corrections to $W^{\pm}H^{\mp}$ Associated Production at the CERN Large Hadron Collider

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

49 pages, 7 eps figures, using Axodraw.sty, minor changes in the abstract and the discussion, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.62.095012

The $O(\alpha_{ew}m_{t(b)}^{2}/m_{W}^{2})$ and $O(\alpha_{ew} m_{t(b)}^4/m_W^4)$ supersymmetric electroweak corrections to the cross section for $W^{\pm}H^{\mp}$ associated production at the LHC are calculated in the minimal supersymmetric standard model. Those corrections arise from the quantum effects which are induced by the Yukawa couplings from the Higgs sector and the genuine supersymmetric electroweak couplings involving supersymmetric particles, i.e. chargino-top(bottom)-sbottom(stop) couplings, neutralino-top(bottom)-stop(sbottom) couplings and charged Higgs-stop-sbottom couplings. The Yukawa corrections can decrease the total cross sections significantly for low $\tan\beta(<4)$ when $m_{H^+}<300$GeV, which exceed -12%. For high $\tan\beta$ the Yukawa corrections become negligibly small. The genuine supersymmetric electroweak corrections can increase or decrease the total cross sections depending on the supersymmetric parameters, which are at most a few percent, except the region near the threshold. We also show that the genuine supersymmetric electroweak corrections depend strongly on the choice of $\tan\beta$, $A_t$, $M_{\tilde Q}$ and $\mu$. For large values of $A_t$, or large values of $\mu$ and $\tan\beta$, one can get larger corrections. The corrections can become very small, in contrast, for larger values of $M_{\tilde Q}$.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

Supersymmetric Electroweak Corrections to $W^{\pm}H^{\mp}$ Associated Production at the CERN Large Hadron Collider does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Supersymmetric Electroweak Corrections to $W^{\pm}H^{\mp}$ Associated Production at the CERN Large Hadron Collider, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Supersymmetric Electroweak Corrections to $W^{\pm}H^{\mp}$ Associated Production at the CERN Large Hadron Collider will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-80136

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.