Physics Interplay of the LHC and the ILC (2008)
Weiglein, G., Barklow, T., Boos, E., De Roeck, A., Desch, K., Gianotti, F., ...
Physics at the Large Hadron Collider (LHC) and the International e+e- Linear Collider (ILC) will be complementary in many respects, as has been demonstrated at previous generations of hadron and...
Physics Interplay of the LHC and the ILC (2008)
Weiglein, G., Barklow, T., Boos, E., De Roeck, A., Desch, K., Gianotti, F., ...
Physics at the Large Hadron Collider (LHC) and the International e+e- Linear Collider (ILC) will be complementary in many respects, as has been demonstrated at previous generations of hadron and...
Physics Interplay of the LHC and the ILC (2008)
Weiglein, G., Barklow, T., Boos, E., De Roeck, A., Desch, K., Gianotti, F., ...
Physics at the Large Hadron Collider (LHC) and the International e+e- Linear Collider (ILC) will be complementary in many respects, as has been demonstrated at previous generations of hadron and...
Brooijmans, G, Delgado, A, Dobrescu, B A, Grojean, Christophe, Narain, M, Alwall, J, ...
We present a collection of signatures for physics beyond the standard model that need to be explored at the LHC. The signatures are organized according to the experimental objects that appear in the...
Physics Beyond the Standard Model: Supersymmetry (2008)
Nojiri, M. M., Plehn, T., Polesello, G., Alexander, M., Allanach, B. C., Barr, A. J., ...
This collection of studies on new physics at the LHC constitutes the report of the supersymmetry working group at the Workshop `Physics at TeV Colliders', Les Houches, France, 2007. They cover the...
Brooijmans, G., Delgado, A., Dobrescu, B. A., Grojean, C., Narain, M., Alwall, J., ...
We present a collection of signatures for physics beyond the standard model that need to be explored at the LHC. The signatures are organized according to the experimental objects that appear in the...
G. Brooijmans, A. Delgado, B.A. Dobrescu, C. Grojean, M. Narain, ...
Internal report | Preprint
Nojiri, M. M., Polesello, G., Tovey, D. R.
A new technique for improving the precision of measurements of SUSY particle masses at the LHC is introduced. The technique involves kinematic fitting of events with two fully identified decay...
Prospects to study a long-lived charged next lightest supersymmetric particle at the LHC (2006)
Hamaguchi, K, Nojiri, M M, De Roeck, A
If the scalar tau $\stau$ is the next lightest supersymmetric particle and decays into a gravitino ($\gravitino$) being the lightest supersymmetric particle, it will have generally a very long...
Supersymmetry parameter analysis: SPA convention and project (2006)
Aguilar-Saavedra, J. A., Ali, A., Allanach, B. C., Arnowitt, R., Baer, H. A., Bagger, J. A., ...
High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is needed when...
Physics interplay of the LHC and the ILC. (2006)
Weiglein, G., Barklow, T., Boos, E., De Roeck, A., Desch, K., Gianotti, F., ...
Physics at the Large Hadron Collider (LHC) and the International e(+)e(-) Linear Collider (ILC) will be complementary in many respects, as has been demonstrated at previous generations of hadron and...
Supersymmetry parameter analysis: SPA convention and project (2006)
Allanach, B. C., King, S. F., Blair, G.A., Kraml, S., Kim, C. S., Bagger, J. A., ...
High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is needed when...
Supersymmetry parameter analysis: SPA convention and project (2006)
Allanach, B. C., King, S. F., Blair, G.A., Kraml, S., Kim, C. S., Bagger, J. A., ...
High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is needed when...
Supersymmetry parameter analysis: SPA convention and project. (2006)
A. Ali, B.C. Allanach, R. Arnowitt, H.A. Baer, ...
Journal article
Constraining Dark Matter in the MSSM at the LHC (2005)
Nojiri, M. M., Polesello, G., Tovey, D. R.
In the event that R-Parity conserving supersymmetry (SUSY) is discovered at the LHC, a key issue which will need to be addressed will be the consistency of that signal with astrophysical and...
Supersymmetry Parameter Analysis : SPA Convention and Project (2005)
Aguilar-Saavedra, J A, Ali, A, Allanach, Benjamin C, Arnowitt, R, Baer, H A, Bagger, J A, ...
High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is needed when...
Supersymmetry Parameter Analysis: SPA Convention and Project (2005)
Aguilar-Saavedra, J. A., Ali, A., Allanach, B. C., Arnowitt, R., Baer, H. A., Bagger, J. A., ...
High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is needed when...
Physics Interplay of the LHC and the ILC (2005)
Weiglein, G., Barklow, T., Boos, E., De Roeck, A., Desch, K., Gianotti, F., ...
Physics at the Large Hadron Collider (LHC) and the International e+e- Linear Collider (ILC) will be complementary in many respects, as has been demonstrated at previous generations of hadron and...
Supersymmetry parameter analysis: SPA convention and project (2005)
Aguilar-Saavedra, J. A., Ali, A., Allanach, B. C., Arnowitt, R., Baer, H. A., Bagger, J. A., ...
High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is needed when...
Supersymmetry parameter analysis: SPA convention and project (2005)
Aguilar-Saavedra, J. A., Ali, A., Allanach, B. C., Arnowitt, R., Baer, H. A., Bagger, J. A., ...
High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is needed when...
Physics Interplay of the LHC and the ILC (2004)
Weiglein, Georg, Barklow, T, Boos, E, De Roeck, A, Desch, Klaus, Gianotti, F, ...
Physics at the Large Hadron Collider (LHC) and the International e+e- Linear Collider (ILC) will be complementary in many respects, as has been demonstrated at previous generations of hadron and...
Physics Interplay of the LHC and the ILC (2004)
Barklow, T., Boos, E., De Roeck, A., Desch, K., Gianotti, F., ...
Physics at the Large Hadron Collider (LHC) and the International e+e- Linear Collider (ILC) will be complementary in many respects, as has been demonstrated at previous generations of hadron and...
A New SUSY mass reconstruction method at the CERN LHC (2004)
Kawagoe, K., Nojiri, M. M., Polesello, G.
We propose a new mass reconstruction technique for SUSY processes at the LHC. The idea is to completely solve the kinematics of the SUSY cascade decay by using the assumption that the selected events...
Susy searches in combined LHC/LC analyses (2004)
Moortgat-Pick, G., Desch, K., Kalinowski, J., Nojiri, M. M., Polesello, G.
We present a case study for the synergy of combined LHC and LC analyses in Susy searches in which simultaneous running of both machines is very important. In this study only light non-coloured Susy...
A study of late decaying charged particles at future colliders (2004)
Hamaguchi, K, Nojiri, M M, Nakaya, T, Kuno, Y
In models where the gravitino is the lightest supersymmetric particle (LSP), the next-to-lightest supersymmetric particle (NLSP) is long-lived. We consider an important charged NLSP candidate, the...
A study of late decaying charged particles at future colliders (2004)
Hamaguchi, K, Kuno, Y, Nakaya, T, Nojiri, M M
In models where the gravitino is the lightest supersymmetric particle (LSP), the next-to-lightest supersymmetric particle (NLSP) is long-lived. We consider an important charged NLSP candidate, the...
Study of the slepton non-universality at the CERN Large Hadron Collider (2004)
Goto, T., Kawagoe, K., Nojiri, M. M.
In supersymmetric theory, the sfermion-fermion-gaugino interactions conserve the chirality of (s)fermions. The effect appears as the charge asymmetry in $m(jl)$ distributions at the CERN Large Hadron...
SUSY parameter determination in combined analyses at LHC/LC. (2004)
Desch, K., Kalinowski, J., Moortgat-Pick, G. A., Nojiri, M. M., Polesello, G.
We demonstrate how the interplay of a future e+e- LC at its first stage with (s)1/2lesssim500 GeV and of the LHC could lead to a precise determination of the fundamental SUSY parameters in the...
Physics Interplay of the LHC and the ILC (2004)
Weiglein, G., Barklow, T., Boos, E., De Roeck, A., Desch, K., Gianotti, F., ...
Physics at the Large Hadron Collider (LHC) and the International e+e- Linear Collider (ILC) will be complementary in many respects, as has been demonstrated at previous generations of hadron and...
Physics Interplay of the LHC and the ILC (2004)
Weiglein, G., Barklow, T., Boos, E., De Roeck, A., Desch, K., Gianotti, F., ...
Physics at the Large Hadron Collider (LHC) and the International e+e- Linear Collider (ILC) will be complementary in many respects, as has been demonstrated at previous generations of hadron and...
Proposal for a New Reconstruction Technique for SUSY Processes at the LHC (2003)
Nojiri, M. M., Polesello, G., Tovey, D. R.
When several sparticle masses are known, the kinematics of SUSY decay processes observed at the LHC can be solved if the cascade decays contain sufficient steps. We demonstrate four examples of this...
Measuring the Mass of the Lightest Chargino at the CERN LHC (2003)
Nojiri, M. M., Polesello, G., Tovey, D. R.
Results are presented of a feasibility study of techniques for measuring the mass of the lightest chargino at the CERN LHC. These results suggest that for one particular mSUGRA model a statistically...
SUSY Parameter Determination in Combined Analyses at LHC/LC (2003)
Desch, K., Kalinowski, J., Moortgat-Pick, G., Nojiri, M. M., Polesello, G.
We demonstrate how the interplay of a future e^+e^- LC at its first stage with sqrt{s} sim 500 GeV and of the LHC could lead to a precise determination of the fundamental SUSY parameters in the...
Detailed Study of Gluino Decay into Third Generation Squarks at the CERN LHC (2003)
Hisano, J, Kawagoe, K, Nojiri, M M
In supersymmetric models a gluino can decay into $tb\tilde{\chi}^{\pm}_1$ through a stop or a sbottom. The decay chain produces an edge structure in the $m_{tb}$ distribution. Monte Carlo simulation...
Study of the Gauge Mediation Signal with Non-pointing Photons at the CERN LHC (2003)
Kawagoe, K, Kobayashi, T, Nojiri, M M, Ochi, A
In this paper we study the gauge mediation signal with the ATLAS detector at the CERN LHC. We focus on the case where the NLSP is the long-lived lightest neutralino ($\tilde{\chi}^0_1$) which decays...
Scenery from the Top: Study of the Third Generation Squarks at CERN LHC (2002)
Hisano, J, Kawagoe, K, Kitano, R, Nojiri, M M
In the minimal supersymmetric standard model (MSSM) properties of the third generation sfermions are important from the viewpoint of discriminating the SUSY breaking models and in the determination...
Hisano, J, Nojiri, M M, Okada, N
The gauge-mediated SUSY-breaking (GMSB) model needs entropy production at a relatively low temperature in the thermal history of the Universe for the unwanted relics to be diluted. This requires a...
Neutralino Warm Dark Matter (2000)
Hisano, J, Kohri, K, Nojiri, M M
In the supersymmetric (SUSY) standard model, the lightest neutralino may be the lightest SUSY particle (LSP), and it is is a candidate of the dark matter in the universe. The LSP dark matter might be...
Neutralino Warm Dark Matter (2000)
Hisano, J., Kohri, K., Nojiri, M. M.
In the supersymmetric (SUSY) standard model, the lightest neutralino may be the lightest SUSY particle (LSP), and it is is a candidate of the dark matter in the universe. The LSP dark matter might be...
Scrutinizing LSP Dark Matter at the LHC (2000)
Drees, Manuel, Kim, Y G, Nojiri, M M, Toya, D, Hasuko, K, Kobayashi, T
We show that LHC experiments might well be able to determine all the parameters required for a prediction of the present density of thermal LSP relics from the Big Bang era. If the LSP is an almost...
Supersymmetry and Future Colliders (1999)
In this talk, I review precision SUSY study at LHC and TeV scale e+e- linear colliders (LC). We discuss the study of the 3 body decay of the second lightest neutralino \chi^0_2--> \chi^0_1 ll or the...
Light Higgsino Dark Matter (1997)
Drees, M., Nojiri, M M., Roy, D. P., Yamada, Y.
We re-investigate the question whether a light higgsino-like neutralino is a viable Dark Matter candidate. To this end we compute the dominant one-loop corrections to the masses of the higgsino-like...
Production and Decay of Scalar Stoponium Bound States (1993)
In this paper we discuss possible signatures for the production of scalar \stst\ (stoponium) bound states \sigst\ at hadron colliders, where \st\ is the lighter scalar top eigenstate. We first study...
A new signal for scalar top bound state production (1993)
We study the production and decay of a scalar \stst\ bound state \sigst\ at hadron supercolliders, where \st\ is the lighter stop eigenstate. If \st\ has no tree--level 2--body decays, the dominant...
We study the decays of a scalar \stst\ bound state \sigst, where \st\ is the lighter stop eigenstate. If \st\ has no tree--level 2--body decays, the dominant decay modes of \sigst\ are $gg$ or, if...
Neutralino-Nucleon Scattering Revisited (1993)
We present a detailed discussion of the elastic scattering of a supersymmetric neutralino off a nucleon or nucleus, with emphasis on the spin--independent interaction. We carefully treat QCD effects...
The Neutralino Relic Density in Minimal N=1 Supergravity (1992)
We compute the cosmic relic (dark matter) density of the lightest supersymmetric particle (LSP) in the framework of minimal $N=1$ Supergravity models with radiative breaking of the electroweak gauge...