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Related papers: Standard Model physics at the LHC

200 papers

We review the role of the Higgs boson in preserving unitarity of the scattering amplitudes in the Standard Model (SM). We will look at the processes $\nu_e + \bar{\nu}_e \rightarrow W^-_L +W^+_L $, $ W^-_L + W^+_L \rightarrow W^-_L +W^+_L $…

High Energy Physics - Phenomenology · Physics 2019-09-27 Jorge C. Romão

Processes where $W$ and $Z$ bosons scatter into pairs of electroweak bosons $W$, $Z$, and Higgs, are sensitive probes of new physics in the electroweak sector. We study simplified models that describe typical scenarios of new physics and…

High Energy Physics - Phenomenology · Physics 2019-02-01 Simon Braß , Christian Fleper , Wolfgang Kilian , Jürgen Reuter , Marco Sekulla

The Standard Model (SM) with a light Higgs boson provides a very good description of the precision electroweak observable data coming from the LEP, SLD and Tevatron experiments. Most of the observables, with the notable exception of the…

High Energy Physics - Phenomenology · Physics 2010-04-06 D. Choudhury , T. M. P. Tait , C. E. M. Wagner

The study of the properties of the scalar boson recently discovered at the LHC (ATLAS and CMS experiments) may allow us to know whether it is well described by the Standard Model. In the case where deviations from SM predictions are…

High Energy Physics - Phenomenology · Physics 2015-07-22 Hermes Belusca-Maito

We develop the idea that the unprecedented precision in Standard Model (SM) measurements, with further improvement at the HL-LHC, enables new searches for physics Beyond the Standard Model (BSM).As an illustration, we demonstrate that the…

High Energy Physics - Phenomenology · Physics 2024-04-30 Kaustubh Agashe , Sagar Airen , Roberto Franceschini , Doojin Kim , Ashutosh V. Kotwal , Lorenzo Ricci , Deepak Sathyan

At the Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN), protons and heavy ions are accelerated to velocities close to the speed of light and collided in order to study particle interactions and give us…

High Energy Physics - Experiment · Physics 2019-05-16 Jory Sonneveld

After the discovery of a Higgs boson at the LHC, the next important step is to measure its couplings to fermions and bosons to unravel its true nature. In order to ultimately test the shape of the scalar potential that triggers the…

High Energy Physics - Phenomenology · Physics 2014-08-26 Julien Baglio

The first LHC run has confirmed the Standard Model as the correct theory at the electroweak scale, and the existence of a Higgs-like particle associated with the spontaneous breaking of the electroweak gauge symmetry. These lectures…

High Energy Physics - Phenomenology · Physics 2016-04-20 Antonio Pich

Extensions of the Standard Model (SM) of Particle Physics can be probed either through precision measurements of SM observables or via direct searches for processes beyond the SM (BSM). This proceeding focuses on precision measurements in…

High Energy Physics - Experiment · Physics 2026-05-12 Felicia Volle

The investigation of the dynamics responsible for electroweak symmetry breaking is one of the prime tasks of experiments at present and future colliders. Experiments at the Tevatron ppbar Collider and at the CERN Large Hadron Collider (LHC)…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. Buescher , K. Jakobs

Classical scale invariance (CSI) may be one of the solutions for the hierarchy problem. Realistic models for electroweak symmetry breaking based on CSI require extended scalar sectors without mass terms, and the electroweak symmetry is…

High Energy Physics - Phenomenology · Physics 2016-01-20 Katsuya Hashino , Shinya Kanemura , Yuta Orikasa

Almost all extensions of the Standard Model predict the existence of charged Higgs bosons. This talk focuses on the minimal supersymmetric extension of the Standard Model (MSSM), which is relatively predictive. The outlook for detecting…

High Energy Physics - Phenomenology · Physics 2011-01-27 John Ellis

The Standard Model (SM) Higgs boson, the most recently discovered elementary particle, may still serve as a mediator between the SM sector and a new physics sector related to dark matter (DM). The Large Hadron Collider (LHC) has not yet…

High Energy Physics - Phenomenology · Physics 2024-09-17 A. Hammad , P. Ko , Chih-Ting Lu , Myeonghun Park

While the LHC takes on the challenge of experimentally exploring the electroweak symmetry breaking sector, it is not only interesting but also crucial to explore alternatives to the Standard Model scenario with an elementary scalar Higgs…

High Energy Physics - Phenomenology · Physics 2012-06-11 Anna Kaminska

The Higgs boson could provide the key to discover new physics at the Large Hadron Collider. We investigate novel decays of the Standard Model (SM) Higgs boson into leptophobic gauge bosons which can be light in agreement with all…

High Energy Physics - Phenomenology · Physics 2020-07-17 Pavel Fileviez Perez , Elliot Golias , Clara Murgui , Alexis D. Plascencia

The Large Hadron Collider at CERN, delivering proton-proton collisions at much higher energies and far higher luminosities than previous machines, has enabled a comprehensive programme of measurements of the standard model (SM) processes by…

High Energy Physics - Experiment · Physics 2025-04-09 CMS Collaboration

The Standard Model of particle physics encapsulates our current best understanding of physics at the smallest distances and highest energies. It incorporates Quantum Electrodynamics (the quantised version of Maxwell's electromagnetism) and…

High Energy Physics - Experiment · Physics 2016-09-28 Jon Butterworth

A short review of the theory and phenomenology of Higgs bosons is given, with focus on the Standard Model (SM) and the minimal supersymmetric extension of the Standard Model (MSSM). The potential for Higgs boson discovery at the Tevatron…

High Energy Physics - Phenomenology · Physics 2007-05-23 Howard E. Haber

Composite Higgs models provide an elegant solution to the hierarchy problem present in the Standard Model (SM) and give an alternative pattern leading to the mechanism of Electro-Weak Symmetry Breaking (EWSB). We present an analysis of the…

High Energy Physics - Phenomenology · Physics 2017-05-11 D. Barducci , A. Belyaev , M. S. Brown , S. De Curtis , S. Moretti , G. M. Pruna

Neutrino mass generation through the Higgs mechanism not only suggests the need to reconsider the physics of electroweak symmetry breaking from a new perspective, but also provides a new theoretically consistent and experimentally viable…

High Energy Physics - Phenomenology · Physics 2016-04-06 Cesar Bonilla , Jorge C. Romão , José W. F. Valle