English
Related papers

Related papers: String Theory at LHC Using Supersymmetry Productio…

200 papers

Results are reported from a search for supersymmetric particles in the final state with multiple jets and large missing transverse momentum. The search uses a sample of proton-proton collisions at $\sqrt{s} =$ 13 TeV collected with the CMS…

High Energy Physics - Experiment · Physics 2020-10-29 CMS Collaboration

We study the discovery potential of string resonances decaying to $t\bar{t}$ final state at the LHC. We point out that top quark pair production is a promising and an advantageous channel for studying such resonances, due to their low…

High Energy Physics - Phenomenology · Physics 2014-11-20 Zhe Dong , Tao Han , Min-xin Huang , Gary Shiu

We study aspects of TeV string scale models of intersecting D-branes. The gauge bosons arise from strings ending on stacks of D-branes, whereas chiral matter arises from strings stretched between intersecting D-branes. Our focus is on…

High Energy Physics - Theory · Physics 2015-08-18 Dean Carmi

A search for physics beyond the standard model in final states with at least one photon, large transverse momentum imbalance, and large total transverse event activity is presented. Such topologies can be produced in gauge-mediated…

High Energy Physics - Experiment · Physics 2019-03-19 CMS Collaboration

The next-to-leading order analysis of the cross section of hadronic gluino pair production close to threshold is presented. Within the framework of non-relativistic QCD a significant enhancement compared to fixed order perturbation theory…

High Energy Physics - Phenomenology · Physics 2011-12-26 Matthias R. Kauth , Johann H. Kuhn , Peter Marquard , Matthias Steinhauser

Very light gravitinos could be produced at a sizeable rate at colliders and have been searched for in the mono-photon or mono-jet plus missing momentum signature. Strategies for enhancing the signal over background and interpretations of…

High Energy Physics - Phenomenology · Physics 2015-06-23 Fabio Maltoni , Antony Martini , Kentarou Mawatari , Bettina Oexl

The quantum string emission by Black Holes is computed in the framework of the `string analogue model' (or thermodynamical approach), which is well suited to combine QFT and string theory in curved backgrounds (particulary here, as black…

High Energy Physics - Theory · Physics 2017-08-23 M. Ramon Medrano , N. Sanchez

The spectra of strange hadrons are measured in proton-proton collisions, recorded by the CMS experiment at the CERN LHC, at centre-of-mass energies of 0.9 and 7 TeV. The K^0_s, Lambda, and Xi^- particles and their antiparticles are…

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

Recently, a new framework for solving the hierarchy problem has been proposed which does not rely on low energy supersymmetry or technicolor. The gravitational and gauge interactions unite at the electroweak scale, and the observed weakness…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. Antoniadis , N. Arkani-Hamed , S. Dimopoulos , G. Dvali

A search for pair production of supersymmetric particles in events with two oppositely charged leptons (electrons or muons) and missing transverse momentum is reported. The data sample corresponds to an integrated luminosity of 35.9…

High Energy Physics - Experiment · Physics 2018-11-26 CMS Collaboration

Results are reported from a search for supersymmetric particles in proton-proton collisions in the final state with a single, high transverse momentum lepton; multiple jets, including at least one b-tagged jet; and large missing transverse…

High Energy Physics - Experiment · Physics 2018-07-23 CMS Collaboration

We study the production cross sections for squarks and gluinos in collision of longitudinally polarized hadrons. The corresponding polarized partonic cross sections are computed in leading order supersymmetric QCD. The resulting asymmetries…

High Energy Physics - Phenomenology · Physics 2009-11-10 T. Gehrmann , D. Maitre , D. Wyler

We investigate squark and gluino pair production at LHC (CMS) with subsequent decays into quarks, leptons and LSP in models with effective supersymmetry where third generation of squarks is relatively light while the first two generations…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. I. Bityukov , N. V. Krasnikov

We examine how the production of TeV scale black holes at colliders is influenced by the presence of Lovelock higher-curvature terms in the action of models with large extra dimensions. Such terms are expected to arise on rather general…

High Energy Physics - Phenomenology · Physics 2016-09-06 Thomas G. Rizzo

A search is presented for supersymmetry in all-hadronic events with missing transverse momentum and tagged top quarks. The data sample was collected by the CMS detector at the LHC and corresponds to an integrated luminosity of 2.3 inverse…

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

The LHC, with its seven-fold increase in energy over the Tevatron, is capable of probing regions of SUSY parameter space exhibiting qualitatively new collider phenomenology. Here we investigate one such region in which first generation…

High Energy Physics - Phenomenology · Physics 2015-03-18 JiJi Fan , David Krohn , Pablo Mosteiro , Arun M. Thalapillil , Lian-Tao Wang

A search in energetic, high-multiplicity final states for evidence of physics beyond the standard model, such as black holes, string balls, and electroweak sphalerons, is presented. The data sample corresponds to an integrated luminosity of…

High Energy Physics - Experiment · Physics 2018-11-16 CMS Collaboration

A selection of recent searches for Supersymmetry conducted by the ATLAS and CMS collaborations is presented, summarizing the relevant results for inclusive squark and gluino production at the LHC. No indication for the existence of…

High Energy Physics - Experiment · Physics 2019-08-14 Alexander Mann

We discuss production of charm and bottom quarks at forward rapidity in pp collisions at the LHC, updating the QCD predictions for the run at \sqrt{S}=13 TeV. We show that, while the absolute rates suffer from large theoretical systematics,…

High Energy Physics - Phenomenology · Physics 2015-07-23 Matteo Cacciari , Michelangelo L. Mangano , Paolo Nason

We investigate squark and gluino pair production at LHC (CMS) with subsequent decays into quarks, leptons and LSP in models with effective supersymmetry where third generation of squarks is relatively light while the first two generations…

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