English
Related papers

Related papers: Gluino Stransverse Mass

200 papers

We investigate \chi^{+/-}_1 \chi^0_2 pair production at LHC (CMS) with subsequent decays into leptons for the case of nonuniversal gaugino masses. Visibility of signal by an excess over SM background in 3 leptons + no jet + E^{miss}_T…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. I. Bityukov , N. V. Krasnikov

We study the discovery reach of the gluino ($\widetilde{g}$) and the lightest stop squark ($\widetilde{t}_1$) with baryonic R-parity violation (UDD type) in the context of Minimal Supersymmetric Standard Model (MSSM) at the 14 TeV run of…

High Energy Physics - Phenomenology · Physics 2015-06-18 Biplob Bhattacherjee , Amit Chakraborty

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

Promptly decaying lightest neutralinos and long-lived staus are searched for in the context of light gravitino scenarios. It is assumed that the stau is the next to lightest supersymmetric particle (NLSP) and that the lightest neutralino is…

High Energy Physics - Experiment · Physics 2010-04-08 DELPHI Collaboration , P. Abreu et al

Gluinos are expected to be one of the most massive sparticles (supersymmetric partners of usual particles) which constitute the Minimal Supersymmetric Standard Model (MSSM). The gluinos are the partners of the gluons and they are color…

High Energy Physics - Phenomenology · Physics 2011-08-31 C. Brenner Mariotto , M. C. Rodriguez

We perform a comprehensive analysis of the Minimal Supersymmetric Standard Model (MSSM) in the scenario where the scalar partners of the fermions and the Higgs particles (except for the Standard-Model-like one) are assumed to be very heavy…

High Energy Physics - Phenomenology · Physics 2011-12-09 Nicolas Bernal , Abdelhak Djouadi , Pietro Slavich

A search is presented for supersymmetric partners of the top quark (top squarks) in final states with two oppositely charged leptons (electrons or muons), jets identified as originating from b quarks, and missing transverse momentum. The…

High Energy Physics - Experiment · Physics 2021-01-07 CMS Collaboration

We revisit mass determination techniques for the minimum symmetric event topology, namely $X$ pair production followed by $X \to \ell N$, where $X$ and $N$ are unknown particles with the masses to be measured, and $N$ is an invisible…

High Energy Physics - Phenomenology · Physics 2014-07-09 Lucian A. Harland-Lang , Chun-Hay Kom , Kazuki Sakurai , Marco Tonini

The results of a previous search by the CMS Collaboration for squarks and gluinos are reinterpreted to constrain models of leptoquark (LQ) production. The search considers jets in association with a transverse momentum imbalance, using the…

High Energy Physics - Experiment · Physics 2018-08-15 CMS Collaboration

The results of a search for the stop, the supersymmetric partner of the top quark, in final states with one isolated electron or muon, jets, and missing transverse momentum are reported. The search uses the 2015 LHC $pp$ collision data at a…

High Energy Physics - Experiment · Physics 2016-09-29 ATLAS Collaboration

We consider the modifications to squark production in the presence of a naturally heavier Dirac gluino. First generation squark production is highly suppressed, providing an interesting but challenging signal find or rule out. No dedicated…

High Energy Physics - Phenomenology · Physics 2013-08-16 Graham D. Kribs , Adam Martin

We study a realistic top-down M-theory compactification with low-scale effective Supersymmetry, consistent with phenomenological constraints. A combination of top-down and generic phenomenological constraints fix the spectrum. The gluino…

High Energy Physics - Phenomenology · Physics 2014-08-12 Sebastian A. R. Ellis , Gordon L. Kane , Bob Zheng

The production of the lightest chargino pair from gluon-gluon fusion is studied in the minimal supersymmetric model(MSSM) at proton-proton colliders. We find that with the chosen parameters, the production rate of the subprocess can be over…

High Energy Physics - Phenomenology · Physics 2009-10-31 Ma Wen-Gan , Du Fei , Zhou Mian-Lai , Jiang Yi , Han Liang , Zhou Hong

Results are presented of a search for new particles decaying to large numbers of jets in association with missing transverse momentum, using 4.7 fb^-1 of pp collision data at sqrt(s) = 7 TeV collected by the ATLAS experiment at the Large…

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

Linearly polarized gluons inside an unpolarized proton contribute to the transverse momentum distributions of (pseudo)scalar particles produced in hadronic collisions, such as Higgs bosons and quarkonia with even charge conjugation…

High Energy Physics - Phenomenology · Physics 2015-06-23 Cristian Pisano

Results are reported from a search for new physics in 13 TeV proton-proton collisions in the final state with large missing transverse momentum and two Higgs bosons decaying via H to bb-bar. The search uses a data sample accumulated by the…

High Energy Physics - Experiment · Physics 2018-02-14 CMS Collaboration

We study constraints from LHC run I on squark and gluino masses in the presence of squark flavor violation. Inspired by the concept of `flavored naturalness', we focus on the impact of a non-zero stop-scharm mixing and mass splitting in the…

High Energy Physics - Phenomenology · Physics 2016-04-11 Monika Blanke , Benjamin Fuks , Iftah Galon , Gilad Perez

In natural SUSY models higgsinos are always light because \mu^2 cannot be much larger than M_Z^2, while squarks and gluinos may be very heavy. Unless gluinos are discovered at LHC13, the commonly assumed unification of gaugino mass…

High Energy Physics - Phenomenology · Physics 2017-01-17 Howard Baer , Vernon Barger , Peisi Huang , Dan Mickelson , Maren Padeffke-Kirkland , Xerxes Tata

The possibility that the gluino is the next to the lightest supersymmetric particle (NLSP) is discussed and it is shown that this situation arises in nonuniversal SUGRA models within a significant part of the parameter space compatible with…

High Energy Physics - Phenomenology · Physics 2014-11-18 Daniel Feldman , Zuowei Liu , Pran Nath

We study the potential of high-energy linear $e^+e^-$ colliders for the production of gluino pairs within the Minimal Supersymmetric Standard Model (MSSM). In this model, the process $e^+e^-\to\tilde{g}\tilde{g}$ is mediated by quark/squark…

High Energy Physics - Phenomenology · Physics 2011-03-23 Stefan Berge , Michael Klasen
‹ Prev 1 8 9 10 Next ›