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Using an artificial neutral network we explore the parameter space of supergravity grand unified models consistent with the combined Fermilab E989 and Brookhaven E821 data on $(g-2)_\mu$. The analysis indicates that the region favored by…

High Energy Physics - Phenomenology · Physics 2021-09-08 Amin Aboubrahim , Michael Klasen , Pran Nath

SUSY searches at the LHC as well as the 126 GeV Higgs boson indicate that superparticles, especially squarks and gluinos, are not so light as we expected. It is important to investigate SUSY searches which do not rely on the colored…

High Energy Physics - Phenomenology · Physics 2013-05-06 Sho Iwamoto

This work summarizes and puts in an overall perspective studies done within CMS concerning the discovery potential for squarks and gluinos, sleptons, charginos and neutralinos, SUSY dark matter, lightest Higgs, sparticle mass determination…

Recent results from Higgs boson and supersymmetry searches at the Large Hadron Collider provide strong new motivations for supersymmetric theories with heavy superpartners. We reconsider focus point supersymmetry (FP SUSY), in which all…

High Energy Physics - Phenomenology · Physics 2013-05-30 Jonathan L. Feng , Konstantin T. Matchev , David Sanford

We apply a model-independent, agnostic approach to the collider phenomenology of supersymmetry (SUSY), in which all mass parameters are taken as free inputs at the weak scale. We consider the gauginos, higgsinos, and the first two…

High Energy Physics - Phenomenology · Physics 2010-12-03 Partha Konar , Konstantin T. Matchev , Myeonghun Park , Gaurab K. Sarangi

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

Muon g-2 anomaly, which is mismatch between the theoretical and the experimental values of the anomalous magnetic moment of muons, provides a sensitive probe of new physics. In SUSY, if masses of the superpartners relevant to the muon g-2…

High Energy Physics - Phenomenology · Physics 2015-08-21 Takahiro Yoshinaga

Discovery of the Higgs boson and lack of discovery of superpartners in the first run at LHC are both predictions of split supersymmetry with thermal dark matter. We discuss what it would take to find gluinos at hadron supercolliders,…

High Energy Physics - Phenomenology · Physics 2014-04-23 Sunghoon Jung , James D. Wells

The searches for heavy Higgs bosons and supersymmetric (SUSY) particles at the LHC have left the minimal supersymmetric standard model (MSSM) with an unusual spectrum of SUSY particles, namely, all squarks are beyond a few TeV while the…

High Energy Physics - Phenomenology · Physics 2015-05-20 Kingman Cheung , Ran Huo , Jae Sik Lee , Yue-Lin Sming Tsai

The recent discovery of a new boson at the LHC, which resembles a SM-like Higgs boson with $m_h=125$ GeV, is starting to provide strong guidelines into SUSY model building. For instance, the identification of such a state with the lightest…

High Energy Physics - Phenomenology · Physics 2015-06-12 Ernesto Arganda , J. Lorenzo Diaz-Cruz , Alejandro Szynkman

In the very early stages of LHC running, uncertainties in detector performance will lead to large ambiguities in jet, electron and photon energy measurements, along with inferred missing transverse energy. However, muon detection should be…

High Energy Physics - Phenomenology · Physics 2009-11-13 Howard Baer , Andre Lessa , Heaya Summy

The ATLAS and CMS experiments did not find evidence for Supersymmetry using close to 5/fb of published LHC data at a center-of-mass energy of 7 TeV. We combine these LHC data with data on B_s -> mu mu (LHCb experiment), the relic density…

High Energy Physics - Phenomenology · Physics 2012-10-08 C. Beskidt , W. de Boer , D. I. Kazakov , F. Ratnikov

The recent muon $g-2$ result from Fermilab combined with the Brookhaven result, strongly points to new physics beyond the Standard Model which can be well described by the electroweak sector of supersymmetry if the masses of the sleptons…

High Energy Physics - Phenomenology · Physics 2022-04-13 Amin Aboubrahim , Michael Klasen , Pran Nath , Raza M. Syed

Given that it will take quite some time for the Large Hadron Collider (LHC) to reach its desired luminosity, it is important to investigate the most favorable scenario in which supersymmetry (SUSY) may be discovered at the early runs at the…

High Energy Physics - Phenomenology · Physics 2015-03-17 Subhaditya Bhattacharya , S. Nandi

We study an attractive scenario, "Sleptonic SUSY", which reconciles the $125$ GeV Higgs scalar and the non-observation of superpartners thus far with potentially pivotal roles for slepton phenomenology: providing viable ongoing targets for…

High Energy Physics - Phenomenology · Physics 2022-09-22 Kaustubh Agashe , Majid Ekhterachian , Zhen Liu , Raman Sundrum

We consider SUSY extensions of the standard model where the gravitino is the dark-matter particle and the stau is long lived. If there is a significant mass gap with squarks and gluinos, the staus produced at hadron colliders tend to be…

High Energy Physics - Phenomenology · Physics 2015-06-05 R. Barcelo , J. I. Illana , M. Masip , A. Prado , P. Sanchez-Puertas

The discovery/exclusion of Supersymmetric models for fundamental interactions of particles is one of the milestones targeted by the Large Hadron Collider (LHC), and in particular comprises of a large part of the physics program of the CMS…

High Energy Physics - Experiment · Physics 2015-06-04 S. A. Koay , CMS Collaboration

There is hope that the Large Hadron Collider (LHC) at CERN will tell us about the fate of supersymmetry at the TeVscale. Therefore we might try to identify our expectations for the discovery of SUSY, especially in the first years of…

High Energy Physics - Theory · Physics 2009-02-02 Hans Peter Nilles

The dimuon invariant mass spectrum is searched in the range between 5.5 and 14 GeV for a light pseudoscalar Higgs boson "a", predicted in a number of new physics models, including the next-to-minimal supersymmetric standard model. The data…

High Energy Physics - Experiment · Physics 2012-11-16 CMS Collaboration

While LHC has discovered a very Standard Model-like Higgs boson of mass m_h~ 125 GeV, no solid signal for physics beyond the Standard Model has emerged so far at LHC or at WIMP seach experiments. For the case of weak scale supersymmetry…

High Energy Physics - Phenomenology · Physics 2020-12-30 Howard Baer , Vernon Barger , Shadman Salam , Dibyashree Sengupta , Kuver Sinha
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