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

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The electroweak corrections of order ${\cal O}(\alpha_{\rm em} m^2_{t,b}/m^2_w)$ and ${\cal O}(\alpha_{\rm em} m^3_{t,b}/m^3_w)$ to Higgs boson associated production with top quark pair are calculated at $e^+e^-$ colliders in the standard…

High Energy Physics - Phenomenology · Physics 2007-05-23 Xiao-Hong Wu , Chong Sheng Li , Jian Jun Liu

We analyse relevant signals expected at the LHC, assuming that the gluino is the lightest supersymmetric particle (LSP) in the framework of the $\mu\nu$SSM. In this $R$-parity violating model, the presence of couplings involving…

High Energy Physics - Phenomenology · Physics 2025-05-27 Paulina Knees , Essodjolo Kpatcha , Iñaki Lara , Daniel E. López-Fogliani , Carlos Muñoz , Natsumi Nagata , Hidetoshi Otono

In this paper we compare $H^+H^-$ and $W^+W^-$ into four-fermion production at centre-of-mass energies typical of LEP2 and somewhat larger. The theoretical framework considered is the Minimal Supersymmetric Standard Model. The interest in…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Moretti , K. Odagiri

We investigate the production of the lightest neutral Higgs boson in association with tau sleptons in the CP violating minimal supersymmetric standard model (MSSM) at future high-energy $e^{+}e^{-}$ linear colliders. In parameter space of…

High Energy Physics - Phenomenology · Physics 2014-01-17 Wei Min Yang , Dong Sheng Du

Using the GAMBIT global fitting framework, we constrain the MSSM with an eV-scale gravitino as the lightest supersymmetric particle, and the six electroweakinos (neutralinos and charginos) as the only other light new states. We combine 15…

Radiative one-loop corrections to fermion pair production in $e^+e^-$ annihilation are calculated in the Minimal Supersymmetric Standard Model (MSSM). The size of the non-standard corrections is discussed for the process e^+e^- to mu^+mu^-…

High Energy Physics - Phenomenology · Physics 2009-10-31 W. Hollik , C. Schappacher

The physics prospect at future linear $e^{+}e^{-}$ colliders for the study of the Higgs triple self-coupling via the process of $e^{+}e^{-}\to ZHH$ is investigated. In this paper, we calculate the contribution of the new particles predicted…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yao-Bei Liu , Lin-Lin Du , Xue-Lei Wang

Processes of the form $pp\to anything \to X_i X_j \to x\bar{x} + y\bar{y} (+ \slashchar{E})$ are studied via a technique that may be viewed as an adaptation of time-honoured Dalitz plot analyses. $X_i$ and $X_j$ are new heavy states (with…

High Energy Physics - Phenomenology · Physics 2009-01-07 M. Bisset , N. Kersting , J. Li , ; F. Moortgat , S. Moretti , Q. L. Xie

The discovery potential for detecting new heavy Majorana and Dirac neutrinos at some recently proposed high energy $e^+e^-$ colliders is discussed. These new particles are suggested by grand unified theories and superstring-inspired models.…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. M. L. Almeida , Y. A. Coutinho , J. A. Martins Simoes , M. A. B. do Vale

We consider the Higgs boson production in the gluon-fusion channel to next-to-next-to-leading order within the Minimal Supersymmetric Standard Model. In particular, we present analytical results for the matching coefficient of the effective…

High Energy Physics - Phenomenology · Physics 2012-06-29 Alexey Pak , Matthias Steinhauser , Nikolai Zerf

We study the single production of charged Higgs bosons in e+e- collisions, chiefly in the Minimal Supersymmetric Standard Model. Our analysis complements foregoing studies of the pair production channel especially in regions where the…

High Energy Physics - Phenomenology · Physics 2016-09-06 S. Kanemura , S. Moretti , K. Odagiri

We explore the potential of electron-photon colliders to measure fundamental supersymmetry parameters via the processes $e\gamma \to \tilde e \tilde\chi^0$ (selectron-neutralino) and $e\gamma\to \tilde\nu \tilde\chi^-$ (sneutrino-chargino).…

High Energy Physics - Phenomenology · Physics 2009-09-25 V. Barger , T. Han , J. Kelly

We study the production of gauge boson pairs at the next generation of linear $e^+e^-$ colliders operating in the $e\gamma$ mode. The processes $e\gamma \rightarrow VV^\prime F$ ($V,V^\prime =W$, $Z$, or $\gamma$ and $F=e$ or $\nu$) can…

High Energy Physics - Phenomenology · Physics 2009-10-22 O. J. P. Eboli , M. C. Gonzalez-Garcia , S. F. Novaes

Within the Minimal Supersymmetric Standard Model (MSSM), we study the production of the neutral scalar and pseudoscalar as well as the charged Higgs bosons together with fermions or sfermions in deep inelastic $ep$ scattering at…

High Energy Physics - Phenomenology · Physics 2009-10-28 F. Franke , T. Woehrmann

In supersymmetric extensions of the Standard Model with a very light gravitino, the effective theory at the weak scale should contain not only the goldstino G, but also its supersymmetric partners, the sgoldstinos. In the simplest case, the…

High Energy Physics - Phenomenology · Physics 2011-07-19 Elena Perazzi , Giovanni Ridolfi , Fabio Zwirner

We investigate in detail the effects of the R-parity lepton number violation in the minimal supersymmetric standard model (MSSM) on the top-quark pair production via both $e^--e^+$ and $\gamma-\gamma$ collision modes at the linear…

High Energy Physics - Phenomenology · Physics 2009-11-10 Wang Lei , Ma Wen-Gan , Hou Hong-Sheng , Zhang Ren-You , Sun Yan-Bin

The chargino $\tilde{\chi}^\pm_{1,2}$ system can be reconstructed completely in $e^+e^-$ collisions. By measuring the total cross sections and the asymmetries with polarized beams in $e^+e^-\to\tilde{\chi}_i^+ \tilde{\chi}_j^- [i,j=1,2]$,…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Y. Choi , M. Guchait , J. Kalinowski , P. M. Zerwas

We consider the production of neutralino, chargino, and charged Higgs boson pairs in the MSSM framework at future $e^+e^-$ colliders. We show that, for c.m. energies in the one TeV range and in a ``moderately'' light SUSY scenario, a…

High Energy Physics - Phenomenology · Physics 2009-11-10 M. Beccaria , H. Eberl , F. M. Renard , C. Verzegnassi

We investigate the charged scalar lepton production processes $\gamma\gamma\to{\widetilde{\ell}}^{+}{\widetilde{\ell}}^{-}$ at high energy $\gamma\gamma$ colliders in the framework of the minimal supersymmetric standard model (MSSM). Here…

High Energy Physics - Phenomenology · Physics 2009-10-22 Tadashi Kon

We consider the production of chargino, neutralino and charged Higgs boson pairs at future linear colliders for c. m. energies in the one TeV range within the MSSM. We compute the leading (double) and next-to leading (linear) supersymmetric…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. Eberl , M. Beccaria , F. M. Renard , C. Verzegnassi