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The strong nature of Composite Higgs models manifests at high energies through the growing behavior of the scattering amplitudes of longitudinally polarized weak bosons that leads to the formation of composite resonances as well as…

High Energy Physics - Phenomenology · Physics 2018-02-08 Diogo Buarque Franzosi , Piero Ferrarese

A search for the standard model Higgs boson (H) decaying to b b-bar when produced in association with a weak vector boson (V) is reported for the following channels: W(mu nu)H, W(e nu)H, W(tau nu)H, Z(mu mu)H, Z(e e)H, and Z(nu nu)H. The…

High Energy Physics - Experiment · Physics 2014-02-17 CMS Collaboration

At moderately low momentum transfer (-t up to 1 GeV^2) the coupling to the vector meson production channels gives the dominant contribution to real Compton and deeply virtual Compton scattering (DVCS). Starting from a Regge Pole approach…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. -M. Laget

Isolating the scattering of longitudinal weak bosons at the LHC is an important tool to probe the ElectroWeak Symmetry Breaking mechanism. Separating polarizations of $W$ and $Z$ bosons is complicated, because of non resonant contributions…

High Energy Physics - Phenomenology · Physics 2019-10-02 Alessandro Ballestrero , Ezio Maina , Giovanni Pelliccioli

In the context of nucleon structure studies, Generalized Parton Distributions (GPDs) are crucial for understanding the correlation between the longitudinal momentum and the transverse position of partons inside the nucleon. A privileged…

High Energy Physics - Experiment · Physics 2025-09-16 J. S. Alvarado , M. Hoballah , E. Voutier

Vector Boson Scattering (VBS) and Vector Boson Fusion (VBF) studies in pp collisions at 7 and 8 TeV center of mass energy based on data recorded by the CMS detector at the LHC in 2011 and 2012 are reported.

High Energy Physics - Experiment · Physics 2014-09-11 Andrea Massironi

Supersymmetry is one of the most plausible extensions of the Standard Model, since it is well motivated by the hierarchy problem, supported by measurements of the gauge coupling strengths, consistent with the suggestion from precision…

High Energy Physics - Phenomenology · Physics 2007-05-23 John Ellis

We report a search for the standard model (SM) Higgs boson based on data collected by the D0 experiment at the Fermilab Tevatron Collider, corresponding to an integrated luminosity of 260 pb^-1. We study events with missing transverse…

High Energy Physics - Experiment · Physics 2008-11-26 D0 Collaboration , V. Abazov

We present a Machine Learning based approach to the cross section and asymmetries for deeply virtual Compton scattering from an unpolarized proton target using both an unpolarized and polarized electron beam. Machine learning methods are…

High Energy Physics - Phenomenology · Physics 2021-07-07 Jake Grigsby , Brandon Kriesten , Joshua Hoskins , Simonetta Liuti , Peter Alonzi , Matthias Burkardt

Several theories beyond the Standard Model (BSM) predict heavy neutral leptons, or long-lived particles with unique signatures which are difficult to reconstruct. Another area of interest are vector-like quarks which lie at the heart of…

High Energy Physics - Experiment · Physics 2024-05-15 Sergio Grancagnolo

It has recently been shown that the studies of strongly-interacting electroweak symmetry breaking (EWSB) at photon colliders, via photon splitting into $W$ pair followed by longitudinal $W$-boson scattering, could be possible. Here we…

High Energy Physics - Phenomenology · Physics 2009-10-28 Kingman Cheung

One or more new heavy resonances may be discovered in experiments at the CERN Large Hadron Collider. In order to determine if such a resonance is the long-awaited Higgs boson, it is essential to pin down its spin, CP, and electroweak…

High Energy Physics - Phenomenology · Physics 2014-11-21 Ian Low , Joseph Lykken

We assume a spatial blind source separation model in which the observed multivariate spatial data is a linear mixture of latent spatially uncorrelated Gaussian random fields containing a number of pure white noise components. We propose a…

Statistics Theory · Mathematics 2024-04-12 Christoph Muehlmann , François Bachoc , Klaus Nordhausen , Mengxi Yi

The Virtual Compton scattering (VCS) process at low energies explores the electromagnetic structure of the proton in terms of generalized polarizabilities (GPs). In the one-photon exchange approximation, VCS can be accessed with exclusive…

High Energy Physics - Phenomenology · Physics 2021-12-08 B. Pasquini , M. Vanderhaeghen

Spontaneous dimensional reduction (SDR) is a striking phenomenon predicted by a number of quantum gravity approaches which all indicate that the spacetime dimensions get reduced at high energies. In this work, we formulate an effective…

High Energy Physics - Phenomenology · Physics 2013-04-16 Hong-Jian He , Zhong-Zhi Xianyu

The potential for the discovery of a Standard Model Higgs boson in the mass range m_H < 2 m_Z in the vector boson fusion mode has been studied for the ATLAS experiment at the LHC. The characteristic signatures of additional jets in the…

We present a search for standard model Higgs boson production in association with a W boson in proton-antiproton collisions at a center of mass energy of 1.96 TeV. The search employs data collected with the CDF II detector that correspond…

High Energy Physics - Experiment · Physics 2009-09-30 CDF Collaboration , T. Aaltonen

Measurements of a Higgs boson at the Large Hadron Collider (LHC) have become increasingly consistent with the predictions of the Standard Model (SM). This fact puts severe constraints on many potential low-energy extensions of the Higgs…

High Energy Physics - Phenomenology · Physics 2019-09-04 Emily Hanson , William Klemm , Roger Naranjo , Yvonne Peters , Apostolos Pilaftsis

If the recently discovered Higgs boson's couplings deviate from the Standard Model expectation, we may anticipate new resonant physics in the weak boson fusion channels resulting from high scale unitarity sum rules of longitudinal gauge…

High Energy Physics - Phenomenology · Physics 2015-07-17 Christoph Englert , Philip Harris , Michael Spannowsky , Michihisa Takeuchi

Neural networks are utilized to fit Compton form factor H to HERMES data on deeply virtual Compton scattering off unpolarized protons. We used this result to predict the beam charge-spin assymetry for muon scattering off proton at the…

High Energy Physics - Phenomenology · Physics 2011-10-20 Kresimir Kumericki , Dieter Mueller , Andreas Schafer
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