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The cross sections for the lightest neutral Higgs pair production at the one-loop level in photon-photon collisions are calculated in the Minimal Supersymmetric Standard Model(MSSM). We find that the contributions to the lightest Higgs…

High Energy Physics - Phenomenology · Physics 2009-10-30 Shou Hua Zhu , Chong Sheng Li , Chong Shou Gao

We investigate the potential of single Higgs boson production at the LHC and at egamma mode of future linear electron-positron collider to probe non-standard HZgamma and Hgammagamma couplings. We consider the semi-elastic production process…

High Energy Physics - Phenomenology · Physics 2017-10-25 G. Akkaya Selcin , I. Sahin

We compute the inclusive and differential cross sections for the associated production of a top quark along with a charged Higgs boson at hadron colliders to next-to-leading order (NLO) in perturbative quantum chromodynamics (QCD) and in…

High Energy Physics - Phenomenology · Physics 2009-11-10 Edmond L Berger , Tao Han , Jing Jiang , Tilman Plehn

The processes of six-quark production with one $b\bar b$ pair are studied by means of a complete tree-level electroweak calculation. The top-quark signal is examined: the importance of electroweak backgrounds, of the order of 10% above the…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. Gangemi , G. Montagna , M. Moretti , O. Nicrosini , F. Piccinini

The violation of CP symmetry at the electro-weak scale is one of the essential ingredients for electro-weak baryogenesis. It is therefore of great interest to map the CP properties of the Higgs sector in as much detail as possible. A linear…

High Energy Physics - Experiment · Physics 2022-03-15 I. Božović-Jelisavucić , N. Vukausinović , D. Jeans

Recent measurements of Higgs boson cross-section and properties are presented using up to $139~\text{fb}^{-1}$ of proton-proton collision data delivered by the Large Hadron Collider at $\sqrt{s}~=~13~\text{TeV}$ and recorded by the ATLAS…

High Energy Physics - Experiment · Physics 2021-05-12 Sebastien Rettie

We present results for the lowest order cross sections, calculated with the complete set of the standard model Feynman diagrams, of all possible detection channels of the associated production of the top quark pair and the light Higgs…

High Energy Physics - Phenomenology · Physics 2009-12-04 Karol Kolodziej , Szymon Szczypinski

We summarise the prospects for Higgs boson physics at future proton-proton colliders with centre of mass (c.m.) energies up to 100 TeV. We first provide the production cross sections for the Higgs boson of the Standard Model from 13 TeV to…

High Energy Physics - Phenomenology · Physics 2016-10-11 Julien Baglio , Abdelhak Djouadi , Jérémie Quevillon

Cross sections are calculated for single and double photon exchange in ultraperipheral Pb+Pb collisions at the LHC. The particle production is simulated with the DPMJET event generator. Large cross sections are found for particle production…

High Energy Physics - Phenomenology · Physics 2011-05-13 Oystein Djuvsland , Joakim Nystrand

The class of six-fermion production processes at e+e- colliders comprises very interesting particle reactions, such as the production of top-quark pairs and of Higgs bosons in the intermediate Higgs mass range, the scattering of massive…

High Energy Physics - Phenomenology · Physics 2009-11-07 Stefan Dittmaier , Markus Roth

We present a calculation of the cross section for the process e+ e- --> W+/- H-/+ in the minimal supersymmetric standard model (MSSM) and the Two Higgs Doublet Model (THDM). We study the basic features of the MSSM prediction for some…

High Energy Physics - Phenomenology · Physics 2010-10-27 Oliver Brein , Thomas Hahn

We present a short review of theoretical results (mainly for experimentalists) published in many different papers. The formulae are presented for the different integrated cross sections, the number of interacting nucleons, multiplicities of…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Dias de Deus , Yu. M. Shabelski

The updated version of the Helac-Phegas event generator is presented. The matrix elements are calculated through Dyson-Schwinger recursive equations. Helac-Phegas generates parton-level events with all necessary information, in the most…

High Energy Physics - Phenomenology · Physics 2009-09-04 Alessandro Cafarella , Costas G. Papadopoulos , Malgorzata Worek

In a more general electroweak theory, there could be Higgs particles that are odd under $CP$. Correlations among momenta of the initial electron and final-state fermions are in the Bjorken process sensitive to the $CP$ parity. Monte Carlo…

High Energy Physics - Phenomenology · Physics 2007-05-23 Arild Skjold , Per Osland

The total and differential cross sections for the production of $\Omega_{scb}$ baryons in electron-positron collisions are calculated at the $Z$-boson pole.

High Energy Physics - Phenomenology · Physics 2009-11-11 S. P. Baranov , V. L. Slad

Some general considerations on a future linear collider and selected topics of two photon physics measurements which can be performed at such a collider are presented. This review discusses the total photon-photon cross section, jet cross…

High Energy Physics - Experiment · Physics 2016-08-31 Richard Nisius

The physics at an e+e- linear collider with a center of mass energy of 3-5 TeV is reviewed. The following topics are covered: experimental environment, Higgs physics, supersymmetry, fermion pair-production, WW scattering, extra dimensions,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Timothy L. Barklow , Albert De Roeck

We present a calculation of higher order effects for the impact parameter dependent probability for single and multiple electron-positron pairs in (peripheral) relativistic heavy ion collisions. Also total cross sections are given for SPS…

Nuclear Theory · Physics 2009-10-31 Kai Hencken , Dirk Trautmann , Gerhard Baur

We present an analytic computation of the Higgs production cross section in the gluon fusion channel, which is differential in the components of the Higgs momentum and inclusive in the associated partonic radiation through NNLO in…

High Energy Physics - Phenomenology · Physics 2017-08-02 Falko Dulat , Simone Lionetti , Bernhard Mistlberger , Andrea Pelloni , Caterina Specchia

Boson boson scattering and Higgs production in boson boson fusion will be actively investigated at the LHC. We have performed a parton level study of all processes of the type $q_1 q_2 \to q_3 q_4 q_5 q_6 l^+l^-$ using for the first time a…

High Energy Physics - Phenomenology · Physics 2009-09-29 E. Accomando , A. Ballestrero , A. Belhouari , E. Maina