English
Related papers

Related papers: LHC bounds on MUED after Run 2

200 papers

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

A search for squarks and gluinos in final states containing jets, missing transverse momentum and no electrons or muons is presented. The data were recorded by the ATLAS experiment in sqrt(s) = 7 TeV proton-proton collisions at the Large…

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

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 1.1 fb-1 of data collected by the CDF detector in the Tevatron Run II. Events with…

High Energy Physics - Experiment · Physics 2019-08-13 Monica D'Onofrio

The current status of `fat-brane' minimal Universal Extra Dimensions (fat-mUED) is studied in the light of ATLAS experiment's recent reports. At the Large Hadron Collider (LHC) color charged first level Kaluza-Klein (KK) particles (first…

High Energy Physics - Phenomenology · Physics 2023-09-04 Esra Akyumuk , Durmus Karabacak

Collider searches for energetic particles recoiling against missing transverse energy allow to place strong bounds on the interactions between dark matter (DM) and standard model particles. In this article we update and extend LHC…

High Energy Physics - Phenomenology · Physics 2015-05-06 Andreas Crivellin , Ulrich Haisch , Anthony Hibbs

A search is presented for gluinos decaying via the supersymmetric partner of the top quark using events with two same-sign leptons, jets and missing transverse momentum. The analysis is performed with 2.05 fb^-1 of integrated luminosity…

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

Composite-fermion models predict excited quarks and leptons with mass scales which can potentially be observed at high-energy colliders like the LHC; the most recent exclusion limits from the CMS and ATLAS Collaborations corner…

High Energy Physics - Phenomenology · Physics 2021-11-02 S. Biondini , S. Dell'Oro , R. Leonardi , S. Marcocci , O. Panella , M. Presilla , F. Vissani

The ATLAS and CMS experiments at the CERN LHC have collected about 25 inverse femtobarns (fb) 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…

High Energy Physics - Phenomenology · Physics 2015-09-15 G. Chalons , D. Sengupta

A search for events with jets and missing transverse energy is performed in a data sample of pp collisions collected at sqrt(s) = 7 TeV by the CMS experiment at the LHC. The analyzed data sample corresponds to an integrated luminosity of…

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

Searches for new physics at the LHC will increasingly depend on identifying deviations from precision Standard Model (SM) predictions. At the higher energy scales involved for the LHC Run 2, the heavy quarks play a more prominent role than…

High Energy Physics - Phenomenology · Physics 2015-11-03 Fredrick I. Olness

The status of the search at LEP2 for the Higgs in the Standard Model (SM) and in the minimal supersymmetric extension of the Standard Model MSSM) is reviewed. A preliminary lower limit of 95.5/c^2 at 95% C.L. on the SM Higgs is obtained…

High Energy Physics - Experiment · Physics 2007-05-23 M. Pepe-Altarelli

The first 1/fb of LHC searches have set impressive limits on new colored particles decaying to missing energy. We address the implication of these searches for naturalness in supersymmetry (SUSY). General bottom-up considerations of natural…

High Energy Physics - Phenomenology · Physics 2015-06-03 Michele Papucci , Joshua T. Ruderman , Andreas Weiler

A search for pair production of second-generation leptoquarks is performed using proton-proton collision data collected at $\sqrt{s}=$ 13 TeV in 2016 with the CMS detector at the CERN LHC, corresponding to an integrated luminosity of 35.9…

High Energy Physics - Experiment · Physics 2019-03-06 CMS Collaboration

A search for supersymmetry is performed in events with a single electron or muon in proton-proton collisions at a center-of-mass energy of 13 TeV. The data were recorded by the CMS experiment at the LHC and correspond to an integrated…

High Energy Physics - Experiment · Physics 2017-02-08 CMS Collaboration

Recently the ATLAS and CMS collaborations reported their search for a new heavy gauge boson $W'$ with one lepton plus missing transverse momentum. We find that $W^{(2)}$, the second Kaluza-Kelin (KK) state of the $W$ boson in the minimal…

High Energy Physics - Phenomenology · Physics 2015-03-19 Sanghyeon Chang , Kang Young Lee , Jeonghyeon Song

In light of the recent CMS analysis on lepton flavor violating (LFV) heavy Higgs searches and updated bounds on various search channels involving neutral and charged scalars, we provide the updated constraints on the Type-III…

High Energy Physics - Phenomenology · Physics 2020-03-25 R. Primulando , J. Julio , P. Uttayarat

We explore the sensitivity of displaced vertex searches at LHCb for testing sterile neutrino extensions of the Standard Model towards explaining the observed neutrino masses. We derive estimates for the constraints on sterile neutrino…

High Energy Physics - Phenomenology · Physics 2017-10-25 Stefan Antusch , Eros Cazzato , Oliver Fischer

This Letter presents the first search for supersymmetry in final states containing one isolated electron or muon, jets, and missing transverse momentum from sqrt{s} = 7 TeV proton-proton collisions at the LHC. The data were recorded by the…

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

While the triplet-like Higgses up to a few hundred GeV masses are already excluded for a vast region of the model parameter space from the LHC searches, strikingly, there is a region of this parameter space that is beyond the reach of the…

High Energy Physics - Phenomenology · Physics 2022-11-09 Saiyad Ashanujjaman , Kirtiman Ghosh , Katri Huitu

We review the current status of the Brookhaven muon g - 2 experiment, and it's effects on the SUSY parameter space when combined with dark matter relic density bounds, b->s\gamma and Higgs mass constraints. If the 3\sigma deviation of g - 2…

High Energy Physics - Phenomenology · Physics 2017-08-23 R. Arnowitt , B. Dutta