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Searches for stable, hadronizing scalar quarks and gluinos are performed using the data collected with the ALEPH detector at LEP. Gluon splitting into a gluino or a squark pair is searched for at centre-of-mass energies around the Z…

High Energy Physics - Experiment · Physics 2008-11-26 ALEPH Collaboration , Arno Heister

The ATLAS and CMS experiments at the CERN LHC have collected about 20 $fb^{-1}$ of data each at the end of their 8 TeV run, and ruled out a huge swath of parameter space in the context of Minimally Supersymmetric Standard Model(MSSM).…

High Energy Physics - Phenomenology · Physics 2013-10-29 Amit Chakraborty , Dilip Kumar Ghosh , Diptimoy Ghosh , Dipan Sengupta

A summary is presented of ATLAS searches for gluinos and first- and second-generation squarks in final states containing jets and missing transverse momentum, with or without leptons or b-jets, in the $\sqrt{s}$ = 8 TeV data set collected…

High Energy Physics - Experiment · Physics 2015-10-22 ATLAS Collaboration

Searches for supersymmetry in the framework of R-parity conserving models have been performed in data collected by the D0 detector at the Tevatron $p\bar{p}$ collider at a center-of-mass energy of 1.96 TeV. Topologies analyzed consist of…

High Energy Physics - Experiment · Physics 2019-08-14 Mansoora Shamim

In this note we compare the latest 1.04 fb^{-1} LHC searches for squarks and gluinos from jets and missing transverse momentum (MET) with constraints arising from the LEP Higgs bound. For General Gauge Mediation models with moderate values…

High Energy Physics - Phenomenology · Physics 2015-06-03 David Grellscheid , Joerg Jaeckel , Valentin V. Khoze , Peter Richardson , Chris Wymant

This letter reports the results of a search for top and bottom squarks from gluino pair production in 4.7 fb^-1 of pp collisions at sqrt(s) = 7 TeV using the ATLAS detector at the LHC. The search is performed in events with large missing…

High Energy Physics - Experiment · Physics 2013-06-24 ATLAS Collaboration

Under the assumption of gaugino mass unification at a high scale, chargino and neutralino masses depend on the value of the gluino mass, which itself becomes a function of squark masses through self-energy corrections. We demonstrate that…

High Energy Physics - Phenomenology · Physics 2008-02-03 Mike Bisset , Dilip Kumar Ghosh , Sreerup Raychaudhuri

A search for R-parity-conserving supersymmetry in events with large missing transverse momentum, jets and at least one hadronically decaying $\tau$-lepton is presented. Both gluino and squark pair production are considered, with the cascade…

High Energy Physics - Experiment · Physics 2026-02-09 ATLAS Collaboration

Search for Scalar Quarks in e+e- Collisions at sqrt(s) up to 209 GeV Searches for scalar top, scalar bottom and mass-degenerate scalar quarks are performed in the data collected by the ALEPH detector at LEP, at centre-of-mass energies up to…

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

Squarks and gluinos have been searched for at hadron colliders in events with multiple jets and missing transverse energy. No excess has been observed to date, and from a comparison of experimental cross section limits and theoretical cross…

High Energy Physics - Phenomenology · Physics 2013-05-30 Wim Beenakker , Silja Brensing , Monica D'Onofrio , Michael Krämer , Anna Kulesza , Eric Laenen , Mario Martinez , Irene Niessen

This contribution reports on preliminary measurements on searches for squarks and gluinos at CDF and D\O detectors in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV. The analyses are performed using event topologies with multiple jets and…

High Energy Physics - Experiment · Physics 2010-04-22 Xavier Portell

Recent results obtained by the D0 Collaboration on searches for squarks and gluinos in proton-antiproton collisions at sqrt(s) =1.96 TeV at the Fermilab Tevatron collider are discussed. For the inclusive searches, events with multiple jets…

High Energy Physics - Experiment · Physics 2008-10-15 Krisztian Peters

During the year 2000, LEP has been operated at centre-of-mass energies up to sqrt(s) = 209 GeV. New particle searches have been performed using these data samples. Model independent limits on the production cross-sections and mass limits in…

High Energy Physics - Experiment · Physics 2007-05-23 Sylvie Braibant-Giacomelli

An updated search is performed for gluino, top squark, or bottom squark R-hadrons that have come to rest within the ATLAS calorimeter, and decay at some later time to hadronic jets and a neutralino, using 5.0 and 22.9 fb-1 of pp collisions…

High Energy Physics - Experiment · Physics 2014-05-08 ATLAS Collaboration

Hitherto unobserved long-lived massive particles with electric and/or colour charge are predicted by a range of theories which extend the Standard Model. In this paper a search is performed at the ATLAS experiment for slow-moving charged…

High Energy Physics - Experiment · Physics 2015-03-19 The ATLAS Experiment

Searches have been conducted for a broad range of new phenomena by the four experiments ALEPH, DELPHI, L3, and OPAL, at LEP2. Each experiment contributes approximately 150 pb-1 of e+e- annihilation data with a mean sqrt(s) of 205.9 GeV in…

High Energy Physics - Experiment · Physics 2007-05-23 Tom Junk

The latest preliminary combined results of the Higgs boson searches from the LEP experiments ALEPH, DELPHI, L3 and OPAL are presented. A general scan of the MSSM parameters is performed and leads to stringent lower mass limits and for the…

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

LHC experiments have placed strong bounds on the production of supersymmetric colored particles (squarks and gluinos), under the assumption that all flavors of squarks are nearly degenerate. However, the current experimental constraints on…

High Energy Physics - Phenomenology · Physics 2015-03-20 Daniele S. M. Alves , Matthew R. Buckley , Patrick J. Fox , Joseph D. Lykken , Chiu-Tien Yu

We present preliminary results on a search for squarks and gluinos in proton-antiproton collisions with a center-of-mass energy of 1.96 TeV and based on about 2.0 fb-1 of data collected by the CDF detector in the Tevatron Run II. Events…

High Energy Physics - Experiment · Physics 2008-10-21 G. De Lorenzo , M. D'Onofrio , O. Gonzalez-Lopez , M. Martinez-Perez , M. Vidal

The status of SUSY searches at LEP2 up to centre-of-mass energy of 202 GeV is presented. Search strategies for sleptons, squarks, charginos and neutralinos are discussed in the framework of Minimal Supersymmetric Standard Model with…

High Energy Physics - Experiment · Physics 2007-05-23 Ia Iashvili
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