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We discuss results of the CMS collaboration on the sensitivity of the LHC to $W$ boson polarisation in the process $pp\to W^\pm + jet \to e^\pm jet+\not\!\!P_T$ using the $L_P$ variable directly connected to $\theta^*$ angle of the outgoing…

High Energy Physics - Phenomenology · Physics 2015-06-15 Alexander Belyaev , Douglas Ross

We study the scattering of longitudinally polarized W bosons in extensions of the Standard Model where anomalous Higgs couplings to gauge sector and higher order O(p^4) operators are considered. These new couplings with respect to the…

High Energy Physics - Phenomenology · Physics 2014-08-06 Domenec Espriu , Federico Mescia

We study W boson scattering in the same- and opposite-sign channels under the assumption that no resonances are present in the collider processes $pp\rightarrow l^{\pm}\nu_{l}l^{\pm}\nu_{l}jj$ and $pp\rightarrow…

High Energy Physics - Phenomenology · Physics 2016-01-13 Marco Fabbrichesi , Michele Pinamonti , Alberto Tonero , Alfredo Urbano

The study of di-Higgs events, both resonant and non-resonant, plays a crucial role in understanding the fundamental interactions of the Higgs boson. In this work we consider di-Higgs events decaying into four $b$-quarks and propose to…

High Energy Physics - Phenomenology · Physics 2024-01-30 Cheng-Wei Chiang , Feng-Yang Hsieh , Shih-Chieh Hsu , Ian Low

WW scattering is an important process to study electroweak symmetry breaking in the Standard Model at the LHC, in which the Higgs mechanism or other new physics processes must intervene to preserve the unitarity of the process below 1 TeV.…

High Energy Physics - Experiment · Physics 2011-02-09 Bo Zhu , Pietro Govoni , Yajun Mao , Chiara Mariotti , Weimin Wu

We explore the direct Higgs-top CP measurement via the $pp\to t\bar{t}h$ channel at the high-luminosity LHC. We show that a combination of machine learning techniques and efficient kinematic reconstruction methods can boost new physics…

High Energy Physics - Phenomenology · Physics 2022-05-17 Rahool Kumar Barman , Dorival Gonçalves , Felix Kling

We calculate and analize the ${\cal{O}}(\alpha_s)$ one-particle inclusive cross section in polarized deep inelastic lepton-hadron scattering, using dimensional regularization and the HVBM prescription for $\gamma_5$. We discuss the…

High Energy Physics - Phenomenology · Physics 2009-10-28 D. de Florian , C. A. Garcia Canal , R. Sassot

At the CERN Large Hadron Collider experiment, the non-resonant double Higgs production via vector-boson fusion represents a unique mean to probe the VVHH (V=Z, W$^{\pm}$) Higgs self-coupling at the current center of mass energies. Such a…

High Energy Physics - Experiment · Physics 2023-03-01 Brunella D'Anzi , Nicola De Filippis , Walaa Elmetenawee , Giorgia Miniello

Light scattering by two-dimensional (2D) van der Waals heterostructures (vdWHs) is immense, especially given their infinitesimal volume, thus enabling strong light-matter interactions. Surface 2D polariton waves manifest through large…

The upcoming upgrade of the existing LHC facility at CERN is known as the High-Luminosity Large Hadron Collider (HL-LHC). It is designed to extend its physics reach by substantially increasing the integrated luminosity. It will enable more…

High Energy Physics - Experiment · Physics 2025-05-19 Ali Muhammad H. H. , El-sayed A. El-dahshan , S. Elgammal

We calculate the polarizations for different octet hyperons produced in the current fragmentation regions of the deeply inelastic lepton-nucleon scatterings $\mu^-N \to \mu^- HX$ and $\nu_{\mu} N \to \mu^- HX$ at high energy using different…

High Energy Physics - Phenomenology · Physics 2019-05-15 Chun-xiu Liu , Qing-hua Xu , Zuo-tang Liang

Weak vector-boson W,Z scattering at high energy probes the Higgs sector and is most sensitive to any new physics associated with electroweak symmetry breaking. We show that in the presence of the 125 GeV Higgs boson, a conventional…

High Energy Physics - Phenomenology · Physics 2016-03-15 W. Kilian , T. Ohl , J. Reuter , M. Sekulla

Deep learning can be used to drastically decrease the processing time of parameter estimation for coalescing binaries of compact objects including black holes and neutron stars detected in gravitational waves (GWs). As a first step, we…

Instrumentation and Methods for Astrophysics · Physics 2022-01-28 Alistair McLeod , Daniel Jacobs , Chayan Chatterjee , Linqing Wen , Fiona Panther

The problem of quantizing the activations of a deep neural network is considered. An examination of the popular binary quantization approach shows that this consists of approximating a classical non-linearity, the hyperbolic tangent, by two…

Computer Vision and Pattern Recognition · Computer Science 2017-02-06 Zhaowei Cai , Xiaodong He , Jian Sun , Nuno Vasconcelos

Longitudinal weak gauge boson scattering has been well known as a powerful method to probe the underlying mechanism of the electroweak symmetry breaking sector of the Standard Model. We point out that longitudinal weak gauge boson…

High Energy Physics - Phenomenology · Physics 2010-04-06 Kingman Cheung , Cheng-Wei Chiang , Yu-Kuo Hsiao , Tzu-Chiang Yuan

The scattering cross section for a long-wavelength planar gravitational wave impinging upon a rotating black hole is calculated, for the special case in which the direction of incidence is aligned with the rotation axis. We show that black…

General Relativity and Quantum Cosmology · Physics 2008-11-14 Sam R. Dolan

Measuring longitudinally polarized vector boson scattering in, e.g., the ZZ channel is a promising way to investigate the unitarization scheme from the Higgs and possible new physics beyond the Standard Model. However, at the LHC, it…

High Energy Physics - Phenomenology · Physics 2021-11-24 Tianyi Yang , Sitian Qian , Zhe Guan , Congqiao Li , Fanqiang Meng , Jie Xiao , Meng Lu , Qiang Li

If the Electroweak Symmetry Breaking Sector turns out to be strongly interacting, the actively investigated effective theory for longitudinal gauge bosons plus Higgs can be efficiently extended to cover the regime of saturation of unitarity…

High Energy Physics - Phenomenology · Physics 2015-05-06 Rafael L. Delgado , Antonio Dobado , Felipe J. Llanes-Estrada

We estimate the power of the LHC in probing effects of strongly-interacting symmetry breaking sector through vector boson scattering in a complete partonic analysis.

High Energy Physics - Phenomenology · Physics 2010-02-22 D. B. Franzosi

Structured light with customized complex topological pattern inspires diverse classical and quantum investigations underpinned by accurate detection techniques. However, the current detection schemes are limited to vortex beam with simple…