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Related papers: Higgs Production Classifier using Weak Supervision

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We study Higgs boson production in association with a pair of electroweak vector bosons ($WW,ZZ,Z\gamma$) at future $\epem$ colliders in the framework of the Standard Model. Total cross sections and distributions for the intermediate-mass…

High Energy Physics - Phenomenology · Physics 2009-10-22 M. Baillargeon , F. Boudjema , F. Cuypers , E. Gabrielli , B. Mele

A search for Standard Model Higgs bosons produced in association with a high-energy photon and decaying to $b\bar{b}$ is performed using 133 fb$^{-1}$ of $\sqrt{s}=13$ TeV $pp$ collision data collected with the ATLAS detector at the Large…

High Energy Physics - Experiment · Physics 2026-05-05 ATLAS Collaboration

We present a machine learning-based anomaly detection strategy designed to identify anomalous physics in events containing resonant Standard Model physics and demonstrate this method on the final state of a Higgs boson decaying to two…

High Energy Physics - Experiment · Physics 2025-08-20 Chi Lung Cheng , Sarah Demers , Sascha Diefenbacher , Runze Li , Benjamin Nachman , Dennis Noll

We have investigated the signal for physics beyond the Standard Model via Higgs plus photon final state, hitherto unobserved at the LHC, in the framework of Standard Model Effective Field Theory. Using the relevant dimension-6 operators, we…

High Energy Physics - Phenomenology · Physics 2023-05-17 Tisa Biswas , Anindya Datta

In this thesis feasibility of the precise measurement of the Higgs-boson production cross section gamma+gamma->higgs->b+bbar at the Photon Collider at TESLA is studied in detail. The study is based on the realistic luminosity spectra…

High Energy Physics - Phenomenology · Physics 2007-05-23 Piotr Niezurawski

We consider higher-order QCD corrections to the production of colourless high-mass systems (lepton pairs, vector bosons, Higgs bosons,...) in hadron collisions. We propose a new formulation of the subtraction method to numerically compute…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Catani , M. Grazzini

We show that neural network classifiers can be helpful to discriminate Higgs production from background at LHC in the Higgs mass range M= 200 GeV. We employ a common feed-forward neural network trained by the backpropagation algorithm for…

High Energy Physics - Experiment · Physics 2009-10-30 T. Maggipinto , G. Nardulli , S. Dusini , F. Ferrari , I. Lazzizzera , A. Sidoti , A. Sartori , G. P. Tecchiolli

Improving the sensitivity to CP-violation in the Higgs sector is one of the pillars of the precision Higgs programme at the Large Hadron Collider. We present a simple method that allows CP-sensitive observables to be directly constructed…

High Energy Physics - Phenomenology · Physics 2022-06-28 Akanksha Bhardwaj , Christoph Englert , Robert Hankache , Andrew D. Pilkington

In this paper we propose to use convolutional neural networks (CNNs) to improve the precision measurement of the Higgs boson-gluon effective coupling at lepton colliders. The CNN is employed to recognize the Higgs boson and a $Z$ boson…

High Energy Physics - Phenomenology · Physics 2020-05-05 Gexing Li , Zhao Li , Yan Wang , Yefan Wang

We develop, discuss, and compare several inference techniques to constrain theory parameters in collider experiments. By harnessing the latent-space structure of particle physics processes, we extract extra information from the simulator.…

High Energy Physics - Phenomenology · Physics 2018-09-19 Johann Brehmer , Kyle Cranmer , Gilles Louppe , Juan Pavez

The Standard Model of particle physics, though remarkably successful, leaves open several major questions that continue to motivate searches for new phenomena. Multiboson interactions involving the Higgs boson are of special interest as…

High Energy Physics - Phenomenology · Physics 2026-01-05 Youpeng Wu , Jie Xiao , Andrew Michael Levin , Qiang Li

Di-Higgs production at the LHC associated with missing transverse energy is explored in the context of simplified models that generically parameterize a large class of models with heavy scalars and dark matter candidates. Our aim is to…

High Energy Physics - Phenomenology · Physics 2024-11-25 Ernesto Arganda , Manuel Epele , Nicolas I. Mileo , Roberto A. Morales

We study the signals for a heavy Higgs boson in the processes $\gamma\gamma\to WWWW$, $\gamma\gamma\to WWZZ$ at the photon linear collider. The results are based on the first complete tree level calculation for these reactions. Using a…

High Energy Physics - Phenomenology · Physics 2011-04-15 George Jikia

The production of Higgs bosons in weak boson fusion has the second largest cross section among Higgs-production processes at the LHC. As such, this process plays an important role in detailed studies of Higgs interactions with vector…

High Energy Physics - Phenomenology · Physics 2023-03-08 Konstantin Asteriadis , Fabrizio Caola , Kirill Melnikov , Raoul Röntsch

The radiative corrections of the strong and electroweak interactions are calculated at next-to-leading order for Higgs-boson production in the weak-boson-fusion channel at hadron colliders. Specifically, the calculation includes all…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mariano Ciccolini , Ansgar Denner , Stefan Dittmaier

We perform a complementarity study of gravitational waves and colliders in the context of electroweak phase transitions choosing as our template the xSM model, which consists of the Standard Model augmented by a real scalar. We carefully…

High Energy Physics - Phenomenology · Physics 2018-12-27 Alexandre Alves , Tathagata Ghosh , Huai-Ke Guo , Kuver Sinha

The coupling of Higgs with gauge bosons can receive non-decoupling corrections due to heavy quanta. Deviation from the SM predictions are described by a set of parameters e_V, which can be related to the parameters S,T. The Higgs production…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Lorenzo Diaz-Cruz

Models for soft color interactions have been successful in describing and predicting diffractive hard scattering processes in ep collisions at DESY HERA and ppbar at the Fermilab Tevatron. Here we present new comparisons of the model to…

High Energy Physics - Phenomenology · Physics 2009-11-07 R. Enberg , G. Ingelman , N. Timneanu

One of the central goals of the physics program at the future colliders is to elucidate the origin of electroweak symmetry breaking, including precision measurements of the Higgs sector. This includes a detailed study of Higgs boson (H)…

We discuss how the leading electroweak Higgs production processes at the LHC, namely vector-boson fusion and Higgs+W/Z associated production, can be characterized in generic extensions of the Standard Model by a proper set of…

High Energy Physics - Phenomenology · Physics 2016-04-20 Admir Greljo , Gino Isidori , Jonas M. Lindert , David Marzocca