Precision Calculations for the T -Odd Quark Pair Production at the CLIC e + e − Linear Collider

Spin Correlations in top quark pair production near threshold at the e−e+ Linear Collider

We investigate the spin correlations in top quark pair production near threshold at the e−e+ linear collider. Comparing with the results above the threshold region, we find that near the threshold region the off-diagonal basis, the optimized decomposition of the top quark spins above the threshold region, does not exist, and the beamline basis is the optimal basis, in which there are the domina...

The e + e − pair production at μ + μ − collider

The littlest Higgs model and Higgs boson associated production with top quark pair at high energy linear e+e− collider

In the parameter space allowed by the electroweak precision measurement data, we consider the contributions of the new particles predicted by the littlest Higgs(LH) model to the Higgs boson associated production with top quark pair in the future high energy linear ee collider(ILC). We find that the contributions mainly come from the new gauge bosons ZH and BH . For reasonable values of the free...

Single Heavy MSSM Higgs Production at e+e− Linear Collider

The measurement of the properties of the heavy Higgs bosons H, A and H± of Minimal Supersymmetric Standard Model (MSSM) could tell us a lot about the MSSM parameters. The mass of the heavy Higgses are related to the overall scale mA0 (CP-odd Higgs mass), with a distinctive mass relation between mA0 , mH0 andmH± in MSSM. The heavy Higgs couplings to the fermions are sensitive to tanβ (the ratio ...

Precision Supersymmetry Measurements at the e−e− Collider

Measurements of supersymmetric particle couplings provide important verification of supersymmetry. If some of the superpartners are at the multi-TeV scale, they will escape direct detection at planned future colliders. However, such particles induce nondecoupling corrections in processes involving the accessible superparticles through violations of the supersymmetric equivalence between gauge b...