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Related papers: Unconventional Searches for Exotic Particles at Fu…

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A search for new long-lived particles decaying to leptons is presented using proton-proton collisions produced by the LHC at sqrt(s) = 8 TeV. Data used for the analysis were collected by the CMS detector and correspond to an integrated…

High Energy Physics - Experiment · Physics 2015-03-05 CMS Collaboration

Exotic decays of the Standard Model-like Higgs boson into beyond-the-Standard Model particles are predicted in a wide range of well-motivated theories. The enormous samples of Higgs bosons that have been and will be produced at the Large…

High Energy Physics - Phenomenology · Physics 2022-10-12 Maria Cepeda , Stefania Gori , Verena Martinez Outschoorn , Jessie Shelton

The Twin Higgs model provides a natural theory for the electroweak symmetry breaking without the need of new particles carrying the standard model gauge charges below a few TeV. In the low energy theory, the only probe comes from the mixing…

High Energy Physics - Phenomenology · Physics 2016-04-20 Hsin-Chia Cheng , Sunghoon Jung , Ennio Salvioni , Yuhsin Tsai

We in the physics community expect the LHC to uncover new physics in the next few years. The character and energy scale of the new physics remain unclear, but it is likely that data from the LHC will need to be complemented by information…

Accelerator Physics · Physics 2012-04-17 Ronald Lipton

In a variety of supersymmetric extensions of the Standard Model, the scalar partners of the quarks and leptons are predicted to be very heavy and beyond the reach of next-generation colliders. For instance, the realization of electroweak…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Carena , A. Freitas

Heavy neutral leptons are present in many well-motivated beyond the Standard Model theories, sometimes being accessible at present colliders. Depending on their masses and couplings they could be long-lived and lead to events with displaced…

High Energy Physics - Phenomenology · Physics 2018-08-15 Xabier Marcano

To explaine the matter-antimatter asymmetry, a supersymmetric extention of the standard model is proposed where baryon and lepton numbers are local gauged(BLMSSM), and exotic superfields are introduced when gauge group is enlarged to…

High Energy Physics - Phenomenology · Physics 2017-08-23 Hui Li , Jian-Bin Chen , Li-Li Xing

Theoretical and experimental techniques employed in dedicated searches for dark matter at hadron colliders are reviewed. Bounds from the 7 and 8 TeV proton-proton collisions at the LHC on dark matter interactions have been collected and the…

High Energy Physics - Phenomenology · Physics 2014-06-24 Andrew Askew , Sushil Chauhan , Bjorn Penning , William Shepherd , Mani Tripathi

Run 1 of the LHC has provided three new motivations for supersymmetry: the need to stabilize the electroweak vacuum, the mass of the Higgs boson, and the fact that its couplings are Standard Model-like (so far). The prospects for…

High Energy Physics - Phenomenology · Physics 2015-10-22 John Ellis

Physics Beyond the Standard Model (BSM) has yet to be observed at the Large Hadron Collider (LHC), motivating the development of model-agnostic, machine learning-based strategies to probe more regions of the phase space. As many final…

The application of fermion-boson symmetry to the standard model leads to the following: first, there are three generations of scalar quarks and scalar leptons in addition to the known quarks and leptons, and, secondly, the divergences in…

General Physics · Physics 2018-12-06 Sau Lan Wu , Tai Tsun Wu , Chen Zhou

Searches for physics beyond the Standard Model of particle physics are performed at accelerators worldwide. Although having poorer detection capabilities and large beam uncertainties, ultra high energy cosmic ray (UHECR) experiments present…

High Energy Physics - Phenomenology · Physics 2016-09-06 V. Cardoso , M. C. Espirito Santo , A. Onofre , M. Paulos , M. Pimenta , J. C. Romao , B. Tome

The prospects for discovery of the five Higgs bosons of the minimal supersymmetric standard model are assessed for existing and planned future colliders, including LEP\,I, LEP\,II, LHC and SSC. As a benchmark for comparisons, we take a…

High Energy Physics - Phenomenology · Physics 2009-09-15 V. Barger , Kingman Cheung , R. J. N. Phillips , A. L. Stange

BTeV and LHC-B are experiments being proposed to study $b$ and $c$ quark decays in hadron-hadron collisions with the aims to look for new phenomena beyond the Standard Model and to measure Standard Model parameters including CKM elements…

High Energy Physics - Phenomenology · Physics 2009-09-25 Sheldon Stone

High-energy colliders provide direct access to the energy frontier, allowing to search for new physics at scales as high as the machine's center-of-mass energy, perform precision measurements of the Standard Model (SM) parameters, including…

Accelerator Physics · Physics 2023-06-23 Anadi Canepa , Monica D'Onofrio

Experiments at particle colliders have reached center of mass energies well above 100 GeV, equivalent to temperatures which existed shortly after the big bang. These experiments, testing the initial conditions of the universe have, with…

High Energy Physics - Experiment · Physics 2009-09-25 M. Dittmar

The present lectures contain an introduction to possible new physics beyond the Standard Model. Having in mind first of all accelerator experiments of the nearest future we concentrate on supersymmetry, a new symmetry that relates bosons…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. I. Kazakov

Under the assumption that the various evidences of a `95 GeV' excess, seen in data at the Large Electron Positron (LEP) collider as well as the Large Hadron Collider (LHC), correspond to actual signals of new physics Beyond the Standard…

High Energy Physics - Phenomenology · Physics 2025-08-27 Tanmoy Mondal , Stefano Moretti , Prasenjit Sanyal

The current status and future prospects of searches for axion-like particles (ALPs) at colliders, mostly focused on the CERN LHC, are summarized. Constraints on ALPs with masses above a few GeV that couple to photons, as well as to Z or…

High Energy Physics - Experiment · Physics 2021-02-25 David d'Enterria

The proposed Large Hadron Electron Collider (LHeC), with center-of-mass energy of $\sqrt{s}\approx 1.3$ TeV, provides a clean and sensitive environment to probe the top quark's neutral current interactions with the $Z$ boson via the process…

High Energy Physics - Phenomenology · Physics 2025-11-20 Katlego Machethe , Pramod Sharma , Mukesh Kumar , Rafiqul Rahaman , Bruce Mellado