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Related papers: Supersymmetry Studies at Future Linear $e^+e^-$ Co…

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In most supersymmetric theories, charginos $\tilde{\chi}^\pm_{1,2}$, mixtures of charged color-neutral gauginos and higgsinos, belong to the class of the lightest supersymmetric particles. They are easy to observe at $e^+e^-$ colliders. By…

High Energy Physics - Phenomenology · Physics 2011-09-13 S. Y. Choi , A. Djouadi , H. S. Song , P. M. Zerwas

In most supersymmetric theories, charginos $\tilde{\chi}^\pm_{1,2}$ belong to the class of the lightest supersymmetric particles and they are easy to observe at e^+e^- colliders. By measuring the total cross sections and the left-right…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Y. Choi

The spin of supersymmetric particles can be determined at $e^+e^-$ colliders unambiguously. This is demonstrated for a characteristic set of non-colored supersymmetric particles -- smuons, selectrons, and charginos/neutralinos. The analysis…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Y. Choi , K. Hagiwara , H. -U. Martyn , K. Mawatari , P. M. Zerwas

The potential of muon colliders to study a low-energy supersymmetry is addressed in the framework of the minimal supergravity model, whose predictions are first briefly surveyed. Foremost among the unique features of a muon collider is…

High Energy Physics - Phenomenology · Physics 2009-10-31 V. Barger

We consider the phenomenology of a class of gauge-mediated supersymmetry (SUSY) breaking (GMSB) models at a e+e- Linear Collider (LC) with c.o.m. energy up to 500 GeV. In particular, we refer to a high-luminosity (L ~ 3 x 10^34 cm^-2 s^-1)…

High Energy Physics - Phenomenology · Physics 2011-03-23 Sandro Ambrosanio , Grahame A. Blair

Working within the framework of the minimal supergravity model with gauge coupling unification and radiative electroweak symmetry breaking (SUGRA), we map out regions of parameter space explorable by experiments at LEP2, for center of mass…

High Energy Physics - Phenomenology · Physics 2009-02-11 Howard Baer , Michal Brhlik , Ray Munroe , Xerxes Tata

We investigate the prospects of probing weak-scale higgsinos through electroweak precision measurements at a future $e^+ e^-$ collider. In the Minimal Supersymmetric Standard Model, higgsinos mix with winos and binos after electroweak…

High Energy Physics - Phenomenology · Physics 2025-06-27 Natsumi Nagata , Genta Osaki

The sensitivity of future electron-proton colliders, the LHeC and FCC-eh, to weakly-produced supersymmetric particles is evaluated in this article. Supersymmetric scenarios where charginos ($\tilde{\chi}_1^{\pm}$) and neutralinos…

High Energy Physics - Phenomenology · Physics 2020-05-26 Georges Azuelos , Monica D'Onofrio , Sho Iwamoto , Kechen Wang

Supersymmetric particles at the multi-TeV scale will escape direct detection at planned future colliders. However, such particles induce non-decoupling corrections in processes involving the accessible superparticles through violations of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Hsin-Chia Cheng , Jonathan L. Feng , Nir Polonsky

In the context of the Minimal Supersymmetric extension of the Standard Model, we analyze the production at future high-energy $e^+e^-$ colliders of second and third generation scalar leptons as well as scalar quarks in association with…

High Energy Physics - Phenomenology · Physics 2009-01-07 Aseshkrishna Datta , Abdelhak Djouadi

Using the facts that in Gauge-Mediated Supersymmetry Breaking schemes, masses of the right and the left sfermions can differ widely, and the gravitino is the Lightest Supersymmetric Particle, we show that it is possible to obtain…

High Energy Physics - Phenomenology · Physics 2009-10-30 Ambar Ghosal , Anirban Kundu , Biswarup Mukhopadhyaya

The lighter scalar tau lepton $\sti$ may be the lightest scalar lepton and therefore would be found earlier in future collider experiments. We point out the impact of the measurement of the mass and the mixing angle of $\st$ to discriminate…

High Energy Physics - Phenomenology · Physics 2009-10-28 Keisuke Fujii , Mihoko M. Nojiri , Toshifumi Tsukamoto

Supersymmetry is an attractive extension of the standard model of particle physics. It associates to every bosonic degree of freedom a fermionic one and vice versa. Supersymmetry unifies the coupling constants of the electromagnetic, weak…

High Energy Physics - Phenomenology · Physics 2010-07-09 Dirk Zerwas

The measurement of sparticle masses in the Minimal Supersymmetric Standard Model at the LHC is analysed, in the scenario where the lightest neutralino decays into three quarks. Such decays, occurring through the baryon-number violating…

High Energy Physics - Phenomenology · Physics 2011-07-19 B. C. Allanach , A. J. Barr , L. Drage , C. G. Lester , D. Morgan , M. A. Parker , P. Richardson B. R. Webber

This review illustrates by means of sample reactions the potential of a future global e+e- Linear Collider (LC) for precision measurements of Supersymmetric particles with emphasis on recent studies and addressing major research directions.

High Energy Physics - Phenomenology · Physics 2007-05-23 Andre Sopczak

Recent developments in prospects of searching for Higgs particles and testing their properties at the LHC and at TeV e+e- linear colliders are summarized. The discovery limits of supersymmetric particles at the LHC are presented and the…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Kilian , P. M. Zerwas

We review the extraction of fundamental supersymmetric parameters from experimental observables related to the detection of charginos and selectrons at $e^+e^-$ colliders. We consider supergravity models with universal scalar and gaugino…

High Energy Physics - Phenomenology · Physics 2007-05-23 Marco Aurelio Diaz

Advantages of the e-e- option at linear colliders for the study of supersymmetry are highlighted. The fermion number violating process $e^- e^- \to \selectron^- \selectron^-$ provides unique opportunities for studies of slepton masses and…

High Energy Physics - Phenomenology · Physics 2014-11-17 Jonathan L. Feng

The discovery of supersymmetry is one of the major goals of the current experiments at the Tevatron and in proposed experiments at the Large Hadron Collider (LHC). However when sparticles are produced the signatures of their production will…

High Energy Physics - Phenomenology · Physics 2008-08-26 Zuowei Liu

Searches for pair production of squarks, sleptons, charginos, and neutralinos are performed with the data collected by the ALEPH detector at LEP at centre-of-mass energies from 188.6 to 201.6 GeV. No evidence for any such signals is…

High Energy Physics - Experiment · Physics 2012-08-27 ALEPH Collaboration