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Related papers: The Night before the LHC

200 papers

In this work, we study the light stop pair signals at the LHC. We explore the SUSY parameter space with non-universal gaugino and third generation masses at the GUT scale. Recent LHC SUSY search results based on 35pb$^{-1}$ and 1fb$^{-1}$…

High Energy Physics - Phenomenology · Physics 2013-05-30 Xiao-Jun Bi , Qi-Shu Yan , Peng-Fei Yin

We analyze the potential of the first LHC physics run, assuming 1/fb at sqrt[s] = 7 TeV, to discover Supersymmetry (SUSY). The results are based on SUSY parameter fits following a frequentist approach. They include the experimental…

High Energy Physics - Phenomenology · Physics 2010-09-15 S. Heinemeyer

The plan for mass and spin measurement of SUSY particles with the ATLAS detector is presented. The measurements of kinematical distributions, such as edges in the invariant mass of leptons and jets, could be used to constrain the model of…

High Energy Physics - Phenomenology · Physics 2019-08-13 N. Ozturk

These lectures give an overview of aspects of missing E_T signatures from new physics at the LHC, along with their important connection to dark matter physics. Mostly, I will concentrate on supersymmetric (SUSY) sources of missing E_T, but…

High Energy Physics - Phenomenology · Physics 2009-01-30 Howard Baer

The CERN Large Hadron Collider (LHC) is scheduled to commence operation in 2008 and inclusive searches for supersymmetry (SUSY) will be one of our primary tasks in the first days of LHC operation. It is certain that the final state of…

High Energy Physics - Experiment · Physics 2019-08-13 Shimpei Yamamoto

The ATLAS and CMS Collaborations at the CERN Large Hadron Collider (LHC) have devoted considerable effort to the study of SUSY signatures and measurements. This talk provides an overview of what can be learned at the LHC if TeV-scale SUSY…

High Energy Physics - Phenomenology · Physics 2007-05-23 Frank E. Paige

We further examine the capability of the 7 and 8 TeV LHC to explore the parameter space of the p(henomenological)MSSM with neutralino LSPs. Here we present an updated study employing all of the relevant ATLAS SUSY analyses, as well as all…

High Energy Physics - Phenomenology · Physics 2013-08-09 Matthew W. Cahill-Rowley , JoAnne L. Hewett , Ahmed Ismail , Thomas G. Rizzo

We develop a bottom-up approach to studying SUSY with light stops and sbottoms, but with other squarks and sleptons heavy and beyond reach of the LHC. We discuss the range of squark, gaugino and Higgsino masses for which the electroweak…

High Energy Physics - Phenomenology · Physics 2015-06-03 Christopher Brust , Andrey Katz , Scott Lawrence , Raman Sundrum

A new algorithm designed to reduce the model dependence in future SUSY searches at the LHC is described. This algorithm can dynamically adapt itself to a wide range of possible SUSY final states thus reducing the need for detailed…

High Energy Physics - Phenomenology · Physics 2011-09-13 Ehud Duchovni , Eugene Prosso , Peter Renkel

The Standard Model (SM) predictions for the lepton flavor-violating (LFV) processes like mu->eg are well far from any realistic experimental resolution, thus, the appearance of m->eg at the running MEG experiment would unambiguously point…

High Energy Physics - Phenomenology · Physics 2009-12-15 J. Hisano , M. Nagai , P. Paradisi , Y. Shimizu

This document presents recent results from the ATLAS and CMS experiments at the CERN Large Hadron Collider (LHC) on supersymmetry (SUSY) searches. These searches provide results with some non-conventional SUSY search assumptions such as…

High Energy Physics - Experiment · Physics 2025-06-10 Hyejin Kwon

We explore a variant on the MT2 kinematic variable which enables dark matter mass measurements for simple, one stage, cascade decays. This will prove useful for constraining a subset of supersymmetric processes, or a class of leptophilic…

High Energy Physics - Phenomenology · Physics 2010-12-01 Timothy Cohen , Eric Kuflik , Kathryn M. Zurek

We study the determination of supersymmetric parameters at the LHC from a global fit including cross sections and edges of kinematic distributions. For illustration, we focus on a minimal supergravity scenario and discuss how well it can be…

High Energy Physics - Phenomenology · Physics 2014-11-20 Herbi K. Dreiner , Michael Krämer , Jonas M. Lindert , Ben O'Leary

We present the results of a search for physics beyond the Standard Model (BSM) using data of 1.1 /fb integrated luminosity collected by the CMS experiment at the LHC. Fully hadronic final states were selected based on the "stransverse" mass…

High Energy Physics - Experiment · Physics 2019-08-15 Hannsjörg Weber

We advocate the use of on-shell constrained $M_2$ variables in order to mitigate the combinatorial problem in SUSY-like events with two invisible particles at the LHC. We show that in comparison to other approaches in the literature, the…

High Energy Physics - Phenomenology · Physics 2017-10-18 Dipsikha Debnath , Doojin Kim , Jeong Han Kim , Kyoungchul Kong , Konstantin T. Matchev

The extraction of the parameters of the supersymmetric Lagrangian is discusse d. Particular emphasis is put on the rigorous treatment of experimental and theo retical errors. While the LHC can provide a valuable first estimate of the…

High Energy Physics - Phenomenology · Physics 2009-02-02 Dirk Zerwas

This paper provides an overview of supersymmetry (SUSY) and the ongoing efforts to detect SUSY particles at the Large Hadron Collider (LHC). SUSY proposes corresponding "sparticles" for each Standard Model particle, with the potential to…

High Energy Physics - Experiment · Physics 2024-04-29 Sophie Kadan

In recent years there has been much progress on the investigation of the QCD phase diagram with lattice QCD. This talk will focus on the developments in the last few years. Especially the addition of external influences and extended ranges…

High Energy Physics - Lattice · Physics 2022-01-07 Jana N. Guenther

Anomaly Mediated SUSY Breaking models are reviewed. Possible signatures at the LHC for one case of the minimal realistic model are examined.

High Energy Physics - Phenomenology · Physics 2007-05-23 Frank E. Paige , James Wells

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 gaugino/higgsino sector without assuming a…

High Energy Physics - Phenomenology · Physics 2016-09-06 K. Desch , J. Kalinowski , G. Moortgat-Pick , M. M. Nojiri , G. Polesello