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Related papers: SUSY fits with full LHC Run I data

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Motivated by the recent anomalies in $b\rightarrow s$ transitions that emerged at LHCb, we consider a model with an $L_\mu - L_\tau$ gauge symmetry and additional vector-like fermions. We find that by introducing supersymmetry the model can…

High Energy Physics - Phenomenology · Physics 2018-10-16 Luc Darmé , Kamila Kowalska , Leszek Roszkowski , Enrico Maria Sessolo

Supersymmetry analyses will potentially be a central area for experiments at the LHC and at a future e+ e- linear collider. Results from the two facilities will mutually complement and augment each other so that a comprehensive and precise…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. C. Allanach , G. A. Blair , S. Kraml , H. -U. Martyn , G. Polesello , W. Porod , P. M. Zerwas

The discovery and exploration of Supersymmetry in a model-independent fashion will be a daunting task due to the large number of soft-breaking parameters in the MSSM. In this paper, we explore the capability of the ATLAS detector at the LHC…

High Energy Physics - Phenomenology · Physics 2011-07-26 John A. Conley , James S. Gainer , JoAnne L. Hewett , My Phuong Le , Thomas G. Rizzo

Direct searches for superpartners and precision measurements of the properties of the $\sim 126$ GeV Higgs boson lead to important inter-dependent constraints on the underlying parameter space of the MSSM. The 19/20-parameter…

High Energy Physics - Phenomenology · Physics 2013-10-02 Matthew Cahill-Rowley , JoAnne Hewett , Ahmed Ismail , Tom Rizzo

Weak scale supersymmetry is a highly motivated extension of the Standard Model that has a strong degree of support from data. It provides several viable dark matter candidates: the lightest neutralino (a WIMP), the gravitino, and the…

High Energy Physics - Phenomenology · Physics 2009-12-07 Howard Baer

We study the Minimal Supersymmetric Standard Model (MSSM) constrained by unification assuming mSUGRA SUSY breaking. In particular this means that the three gauge couplings are unified at a {\it per cent} level, third generation yukawa…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Blazek , S. F. King , J. K. Parry

Besides Standard Model measurements and other Beyond Standard Model studies, the ATLAS and CMS experiments at the LHC will search for Supersymmetry, one of the most attractive explanation for dark matter. The SUSY discovery potential with…

High Energy Physics - Phenomenology · Physics 2012-01-06 Vasiliki A. Mitsou

We have found the possible region of parameters of the minimal supersymmetric standard model (MSSM) within the bounds from the experimental results of the Higgs mass, the rare decay mode of $b$-quark, the muon $g-2$, the dark matter…

High Energy Physics - Phenomenology · Physics 2017-05-25 M. Jimbo , T. Kon , Y. Kouda , M. Ichikawa , Y. Kurihara , T. Ishikawa , K. Kato , M. Kuroda

A $\chi^2$ analysis of several SUSY GUTs recently discussed in the literature is presented. We obtain global fits to electroweak data, which include gauge couplings, gauge boson masses, BR($b\to s\gamma$) and masses of fermions of all three…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tomas Blazek , Stuart Raby

In case of the discovery of supersymmetry at the LHC, the goal will be to identify the underlying theory, its fundamental parameters, and the masses of SUSY particles. We followed here the approach to reconstruct the decay chains in SUSY…

High Energy Physics - Phenomenology · Physics 2009-11-16 Christian Autermann , Benedikt Mura , Christian Sander , Hannes Schettler , Peter Schleper

Recent results from ATLAS gives a Higgs mass of 125.5 GeV, further constrain already highly constrained supersymmetric models such as pMSSM or CMSSM/mSUGRA. Finding potentially discoverable and non-excluded regions of model parameter space…

High Energy Physics - Phenomenology · Physics 2013-09-05 Thomas Burgess , Jan Øye Lindroos , Anna Lipniacka , Heidi Sandaker

If new phenomena beyond the Standard Model will be discovered at the LHC, the properties of the new particles could be determined with data from the High-Luminosity LHC and from a future linear collider like the ILC. We discuss the possible…

High Energy Physics - Phenomenology · Physics 2016-05-04 M. Berggren , A. Cakir , D. Krücker , J. List , I. A. Melzer-Pellmann , B. Safarzadeh Samani , C. Seitz , S. Wayand

In this article, we explore the ability of direct and indirect dark matter experiments to not only detect neutralino dark matter, but to constrain and measure the parameters of supersymmetry. In particular, we explore the relationship…

High Energy Physics - Phenomenology · Physics 2014-11-18 Dan Hooper , Andrew M. Taylor

Experimental searches for supersymmetry (SUSY) are entering a new era. The failure to observe signals of sparticle production at the Large Hadron Collider (LHC) has eroded the central motivation for SUSY breaking at the weak scale. However,…

High Energy Physics - Phenomenology · Physics 2025-01-31 Luis A. Anchordoqui , Ignatios Antoniadis , Karim Benakli , Jules Cunat , Dieter Lust

We investigate the impact of the direct searches for SUSY at LHC Run I on the naturalness of the Next-to-Minimal Supersymmetric Standard Model (NMSSM). For this end, we first scan the vast parameter space of the NMSSM to get the region…

High Energy Physics - Phenomenology · Physics 2016-08-24 Junjie Cao , Yangle He , Liangliang Shang , Wei Su , Yang Zhang

We scrutinize the parameter space of the SM-like Higgs boson in the minimal supersymmetric standard model (MSSM) under current experimental constraints. The constraints are from (i) the precison electroweak data and various flavor…

High Energy Physics - Phenomenology · Physics 2018-05-09 Jun Zhao

The Standard Model of particle physics successfully describes the elementary particles and their interactions at low energies, up to 100 GeV. Beyond this scale lies the realm of new physics needed to remedy problems that arise at higher…

High Energy Physics - Experiment · Physics 2017-12-27 Othmane Rifki

We study the observability of the squarks and gluinos in CMS at LHC. Classical E_T^miss + jets final state as well as a number of additional multilepton signatures (0 leptons, 1 lepton, 2 leptons of the same sign, 2 leptons of the opposite…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Abdullin , F. Charles

We describe the latest TopFitter analysis, which uses top quark observables to fit the Wilson Coefficients of the SM augmented with dimension-6 operators. In particular, we discuss the inclusion of new LHC Run II data and the implementation…

High Energy Physics - Phenomenology · Physics 2019-01-11 Stephen Brown , Andy Buckley , Christoph Englert , James Ferrando , Peter Galler , David J Miller , Liam Moore , Michael Russell , Chris White , Neil Warrack

We provide a bestiary of public codes and other algorithmic tools that can be used for analysing supersymmetric phenomenology. We also describe the organisation of the different tools and communication between them. Tools exist that…

High Energy Physics - Phenomenology · Physics 2009-02-18 B. C. Allanach