The discovery of a heavy Higgs boson with mass up to m H = 1 TeV at the CERN LHC is possible in the H → W + W − → lνjj decay mode. The weak boson scattering signal and backgrounds from t ¯ tjj and from W +jets production are analyzed with parton level Monte Carlo programs which are built on full tree level amplitudes for all subprocesses. The use of double jet tagging and the reconstruction of ...

We present a Monte Carlo generator for exclusive vector meson production in charged lepton-proton interactions, l + p → l + p + V , based on a QCD leading logarithm model calculation according to which the cross section for this process is proportional to the square of the gluon momentum density in the proton. The generator can be used for both fixed target and collider kinematics. Each event i...

We explore the CP violation in the charged Higgs production associated with a top quark at the LHC in the MSSM. The supersymmetric phases of gaugino masses and trilinear A terms lead to a CP violating asymmetry of the cross section in the pp → gb → tH process through loop corrections to the tbH vertex. We find that a CP violation more than 10 % is possible if the charged Higgs boson is heavy en...

We present the calculation of Next-to-Leading-Order Quantum Chromo Dynamics corrections for the production of a W or Z weak boson associated with a bottom anti-bottom quark pair at hadron colliders (pp̄, pp → W/Z bb̄), including the effects of a non-zero bottomquark mass. We find a considerable reduction of the renormalization and factorization scale dependence of our results with respect to Lead...

We investigate the minimal supergravity (mSUGRA) signals at the LHC in the context of supercritical string cosmology (SSC). In this theory, the presence of a time dependent dilaton provides us with a smoothly evolving dark energy and modifies the dark matter allowed region of the mSUGRA model with standard cosmology. Such a dilaton dilutes the supersymmetric dark matter density (of neutralinos)...

The contributions of virtual corrections and soft gluon emission to the inclusive Higgs boson production cross section pp → H +X are computed at next-to-next-to-leading order in the heavy top quark limit. We show that this part of the total cross section is well behaved in the sense of perturbative convergence, with the NNLO corrections amounting to an enhancement of the NLO cross section by ∼ ...

I present a calculation of QCD radiative corrections to charged Higgs production via the process bg −→ tH. I show that the cross section is dominated by soft-gluon corrections, which are computed through next-to-next-to-leading order. Results for charged Higgs production at the LHC are presented, including the dependence of the cross section on the charged Higgs mass, the top quark mass, the fa...

We report on a calculation of the full one-loop weak corrections through the order αSαW to parton-parton scattering in all possible channels at the Relativistic Heavy Ion Collider (RHIC) running with polarised pp beams (RHIC-Spin). This study extends the analysis previously carried out for the case of 2 → 2 subprocesses with two external gluons, by including all possible four-quark modes with a...

For the cooling experiment currently under investigation, it is necessary to track muons in a magnetic field with a precision of at least 0.2mm. A minimum of multiple scattering should be introduced by the measurement process. We investigate a detector made of three layers of 0.5mm square cross section scintillating fibres, which contributes only 0.4% of a radiation length to multiple scatterin...

Article history: Received 2 October 2017 Received in revised form 19 October 2017 Accepted 19 October 2017 Available online 27 October 2017 Editor: W.-D. Schlatter The cross-section for the production of two jets in association with a leptonically decaying Z boson (Z j j) is measured in proton–proton collisions at a centre-of-mass energy of 13 TeV, using data recorded with the ATLAS detector at...