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Related papers: Gluino Pair Production at Linear e^+e^- Colliders

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We discuss the associated production of a light Higgs boson and a light chargino pair in the process e+e- -> h chi+ chi- in the Minimal Supersymmetric Standard Model (MSSM) at linear colliders (LC) with \sqrt s=500 GeV. This process gives…

High Energy Physics - Phenomenology · Physics 2016-09-06 Giancarlo Ferrera , Barbara Mele

The pair production of tau sneutrinos in $e^{+}e^{-}$ collisions and their subsequent decays are studied in a framework of the supersymmetric extension of the standard model. We present an analysis for the parameter space (BR vs. mass)…

High Energy Physics - Phenomenology · Physics 2011-08-11 V. Ari , O. Cakir

We investigate the chargino production process $\gamma\gamma\rightarrow\tilde{W}^{+}\tilde{W}^{-}$ at high energy $\gamma\gamma$ colliders in the framework of the minimal supersymmetric standard model (MSSM). Here the high energy $\gamma$…

High Energy Physics - Phenomenology · Physics 2019-08-15 Masayuki Koike , Toshihiko Nonaka , Tadashi Kon

For the search for additional Higgs bosons in the Minimal Supersymmetric Standard Model (MSSM) as well as for future precision analyses in the Higgs sector precise knowledge of their production properties is mandatory. We evaluate the cross…

High Energy Physics - Phenomenology · Physics 2016-11-03 S. Heinemeyer , C. Schappacher

For the search for additional Higgs bosons in the Minimal Supersymmetric Standard Model (MSSM) as well as for future precision analyses in the Higgs sector a precise knowledge of their production properties is mandatory. We review the…

High Energy Physics - Phenomenology · Physics 2020-02-18 F. Arco , S. Heinemeyer , C. Schappacher

The production of pairs of charged Higgs bosons as predicted by the minimal supersymmetric standard model (MSSM) via the gluon fusion mechanism is investigated. The amplitudes at the leading one-loop order for the parton process gg -> H+ H-…

High Energy Physics - Phenomenology · Physics 2011-09-13 O. Brein , W. Hollik

The production of the lightest chargino pair from gluon-gluon fusion is studied in the minimal supersymmetric model(MSSM) at proton-proton colliders. We find that with the chosen parameters, the production rate of the subprocess can be over…

High Energy Physics - Phenomenology · Physics 2009-10-31 Ma Wen-Gan , Du Fei , Zhou Mian-Lai , Jiang Yi , Han Liang , Zhou Hong

We study the production of the lightest neutralinos in the radiative process $e^+e^- \to \tilde\chi^0_1 \tilde\chi^0_1\gamma$ in supersymmetric models with grand unification. We consider models wherein the standard model gauge group…

High Energy Physics - Phenomenology · Physics 2015-06-11 P. N. Pandita , Monalisa Patra

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 study the associated production of the A^0 neutral CP-odd Higgs boson with a neutral gauge boson Z in high energy e^+ e^- collisions at the one loop level. We present a detailed discussion for the total cross-section predicted in the…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. G. Akeroyd , A. Arhrib , M. Capdequi Peyranère

We study the associated production of the $A^0$ neutral CP--odd Higgs boson with a neutral gauge boson $Z$ as well as single production of $A^0$ via $e^+e^- \to \nu_e {\bar\nu}_e A^0$ at the one loop level in the Minimal Supersymmetric…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andrew Akeroyd , Abdesslam Arhrib

We studied the one-loop contributions of the gaugino-Higgsino-sector to the process of top-pair production via $\gamma \gamma$ fusion at NLC in frame of the Minimal Supersymmetric Model(MSSM). We find that the corrections to $\gamma \gamma…

High Energy Physics - Phenomenology · Physics 2009-10-31 Zhou Mian-Lai , Ma Wen-Gan , Han Liang , Jiang Yi , Zhou Hong

The production mechanisms and decay modes of the heavy neutral and charged Higgs bosons in the Minimal Supersymmetric Standard Model are investigated at future $e^+ e^-$ colliders in the TeV energy regime. We generate supersymmetric…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Djouadi , J. Kalinowski , P. Ohmann , P. M. Zerwas

If a light gluino, with a mass of the order of GeV, exists in the minimal supersymmetric extension of the Standard Model, then it can contribute to the production rate of the top quark pairs at hadron colliders via the process gluino +…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chong Sheng Li , P. Nadolsky , C. -P. Yuan , Hong-Yi Zhou

We present an updated overview on the phenomenology of one-loop Higgs boson production at Linear Colliders within the general Two-Higgs-Doublet Model (2HDM). First we report on the Higgs boson pair production, and associated Higgs-Z boson…

High Energy Physics - Phenomenology · Physics 2022-03-02 Joan Sola , David Lopez-Val

We study the production of the lightest neutralinos in the radiative process $e^+e^- \to \tilde\chi^0_1 \tilde\chi^0_1\gamma$ in low energy supersymmetric models for the International Linear Collider energies with longitudinally polarized…

High Energy Physics - Phenomenology · Physics 2015-06-03 P. N. Pandita , Chandradew Sharma

We study the phenomenology of a Standard Model (SM) extension with two charged singlet scalars and three right handed (RH) neutrinos at an electron-positron collider. In this model, the neutrino mass is generated radiatively at three-loop,…

High Energy Physics - Phenomenology · Physics 2014-05-13 Amine Ahriche , Salah Nasri , Rachik Soualah

We study polarization and spin correlation effects in the MSSM and in extended supersymmetric models at an e^+e^- linear collider with polarized beams. The production of light neutralinos e^+ e^- --> \tilde\chi^0_1 \tilde\chi^0_2 and the…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Moortgat-Pick , S. Hesselbach , F. Franke , H. Fraas

In a previous paper, we studied the Higgs pair production in the standard model with the reaction $e^{+}e^{-}\to t \bar t HH$. Based on this, we study the Higgs pair production via $e^{+}e^{-}\to b \bar b HH$. We evaluate the total cross…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. Gutierrez-Rodriguez , M. A. Hernandez-Ruiz , O. A. Sampayo

We discuss the production, at high--energy e$^+$e$^-$ linear colliders, of new heavy fermions predicted by extensions of the Standard Model. We analyze in great details the various signals and the corresponding backgrounds for both pair…

High Energy Physics - Phenomenology · Physics 2009-10-22 G. Azuelos , A. Djouadi