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We have calculated the complete one-loop corrections to the sfermion pair production process e+e- -> sf_i sf_j (f = t, b, tau, tau-neutrino) in the Minimal Supersymmetric Standard Model. Our results also include the previously calculated…

High Energy Physics - Phenomenology · Physics 2010-04-05 K. Kovarik , C. Weber , H. Eberl , W. Majerotto

We present a complete precision analysis of the sfermion pair production process e+e- -> sf_i sf_j (f = t, b, tau, nu_tau) in the Minimal Supersymmetric Standard Model. Our results extend the previously calculated weak corrections by…

High Energy Physics - Phenomenology · Physics 2009-11-11 K. Kovarik , C. Weber , H. Eberl , W. Majerotto

We have calculated the full one-loop electroweak (EW) and QCD corrections to the third generation scalar-fermion pair production processes $e^+e^- \to \gamma \gamma \to \tilde{f_i}\bar{\tilde{f_i}} (f=t,b,\tau)$ at an electron-positron…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xing Li-Rong , Ma Wen-Gan , Zhang Ren-You , Jiang Yi , Han Liang , Li Gang

We study the one-loop radiative corrections to pair production of the supersymmetric scalar partners of the standard fermions in e+e- annihilation. Both electroweak and SUSY-QCD corrections are considered. Applications are for production of…

High Energy Physics - Phenomenology · Physics 2011-03-23 Abdesslam Arhrib , Wolfgang Hollik

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

We discuss pair production of stops, sbottoms, staus and tau--sneutrinos at a $\mu^+ \mu^-$ collider. We present the formulae for the production cross sections and perform a detailed numerical analysis within the Minimal Supersymmetric…

High Energy Physics - Phenomenology · Physics 2011-01-27 A. Bartl , H. Eberl , S. Kraml , W. Majerotto , W. Porod

We present the full one-loop radiative corrections to pair production of neutralinos in e+e- collisions within the Minimal Supersymmetric Standard Model. Particular attention is paid to the definition of weak and QED corrections. The…

High Energy Physics - Phenomenology · Physics 2010-04-05 W. Oeller , H. Eberl , W. Majerotto

We discuss one-loop contributions of supersymmetry (SUSY) particles to the process $e^+e^- \to W^+W^-$ in the minimal supersymmetric standard model. The calculation is tested by using the sum rule among the form factors, which is based on…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kaoru Hagiwara , Shinya Kanemura , Yoshiaki Umeda

We use the quantum corrected chargino production cross section, including information on the beam polarization and chargino helicities, to estimate the precision achievable at a 1 TeV, 500 ${\mathrm fb}^{-1}$ Linear Collider on the…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. Baer , M. A. Diaz , M. A. Rivera , D. A. Ross

Electroweak radiative corrections can be evaluated in the Sudakov approximation, a systematic high energy expansion known to be relevant for the analysis of future collider experiments in the TeV energy range. In the Minimal Supersymmetric…

High Energy Physics - Phenomenology · Physics 2009-11-11 Matteo Beccaria , Edoardo Mirabella

We present a precise calculation of the lightest neutral Higgs boson production associated with top quark pair at a linear collider. The full one-loop electroweak ${\cal O}(\alpha_{ew})$ contributions to the process $e^+e^- \to t\bar t h^0$…

High Energy Physics - Phenomenology · Physics 2007-05-23 Liu Jing-Jing , Ma Wen-Gan , Han Liang , Zhang Ren-You , Jiang Yi , Wu Peng

We calculate the supersymmetric QCD corrections in order $\alpha_s$ to the cross section $e^+ e^- \to \sq_i \bar\sq_j$ $(i,j = 1, 2)$ within the Minimal Supersymmetric Standard Model. We pay particular attention to the case of the…

High Energy Physics - Phenomenology · Physics 2009-10-28 H. Eberl , A. Bartl , W. Majerotto

We present the one-loop corrections originating from Quantum Chromo-Dynamics (QCD) and Electro-Weak (EW) interactions of Supersymmetric (SUSY) origin within the Minimal Supersymmetric Standard Model (MSSM) to the single-top processes bq ->…

High Energy Physics - Phenomenology · Physics 2014-11-21 G. Macorini , S. Moretti , L. Panizzi

We discuss the production of charginos, neutralinos, and third generation sfermions in $e^+e^-$ annihilation in the energy range $\sqrt{s} = 0.2-1$ TeV. We present numerical predictions within the Minimal Supersymmetric Standard Model for…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Bartl , H. Eberl , H. Fraas , S. Kraml , W. Majerotto , G. Moortgat-Pick , W. Porod

We consider the high energy behaviour of the amplitudes for pair production of charged leptons, quarks, Higgs bosons, sleptons, squarks and charginos at lepton colliders. We give the general expressions of the leading quadratic and…

High Energy Physics - Phenomenology · Physics 2014-11-17 Matteo Beccaria , Michael Melles , Fernand M. Renard , Salvatore Trimarchi , Claudio Verzegnassi

We present the full one-loop corrections to charged and CP-even neutral Higgs boson decays into sfermions including also the crossed channels. The calculation was carried out in the minimal supersymmetric extension of the Standard Model and…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Weber , K. Kovarik , H. Eberl , W. Majerotto

We calculate the full electroweak one-loop corrections to the decay of the CP-odd Higgs boson A^0 into scalar fermions in the minimal supersymmetric extension of the Standard Model. For this purpose many parameters of the MSSM have to be…

High Energy Physics - Phenomenology · Physics 2009-11-10 C. Weber , H. Eberl , W. Majerotto

The $O(\alpha)$ corrections to $\gamma\gamma --> f \bar f$ in the Standard Model are calculated for arbitrary, light fermions $f$. The relevant analytical results are listed in a form that is appropriate for practical applications, and…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Denner , S. Dittmaier

Strategy and results for complete one-loop computations in the Minimal Supersymmetric Standard Model are reviewed, with applications to the calculation of SUSY mass spectra and SUSY-particle processes. Determination of renormalization…

High Energy Physics - Phenomenology · Physics 2009-11-10 T. Fritzsche , W. Hollik

For energies relevant to future linear colliders, \sqrt{s} >~ 500 GeV, the WW fusion channel dominates the Higgs boson production cross section e+e- -> \bar\nu \nu h^0. We have calculated the one-loop corrections to this process due to…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. Eberl , W. Majerotto , V. C. Spanos
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