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The session on precision studies of electroweak interactions is summarized. The contributions address the bilinear, trilinear, quartic as well as heavy-quark interactions of the electroweak gauge bosons. This makes up a picture of the…

High Energy Physics - Phenomenology · Physics 2009-10-31 W. Kilian

The parameters of the electroweak theory are determined in a combined electroweak and QCD analysis using all deep-inelastic $e^+p$ and $e^-p$ neutral current and charged current scattering cross sections published by the H1 Collaboration,…

High Energy Physics - Experiment · Physics 2018-09-24 H1 Collaboration , H. Spiesberger

Electroweak radiative corrections are computed for Higgs production through vector boson fusion, qq->qqH, which is one of the most promising channels for detecting and studying the Higgs boson at the LHC. Using soft-collinear effective…

High Energy Physics - Phenomenology · Physics 2012-09-25 Fabio Siringo , Giuseppe Buccheri

Accurate reconstruction of the electric field produced by extensive air showers is essential for the radio-detection technique, as the key parameters of interest of the primary particles that generated the showers are the amplitude,…

Instrumentation and Methods for Astrophysics · Physics 2025-07-11 Kewen Zhang , Lukas Gülzow , Tim Huege , Ramesh Koirala , Pengxiong Ma , Matías Tueros , Xin Xu , Chao Zhang , Pengfei Zhang , Yi Zhang

Results for all elastic electroweak nucleon form factors are presented for the chiral constituent quark model based on Goldstone-boson-exchange dynamics. The calculations are performed in a covariant framework using the point-form approach…

High Energy Physics - Phenomenology · Physics 2017-08-23 S. Boffi , M. Radici , L. Glozman , W. Plessas , R. F. Wagenbrunn , W. Klink

We introduce a simple procedure that resolves the long-standing question of how to account for single-logarithmic spin-correlation effects in parton showers not just in the collinear limit, but also in the soft wide-angle limit, at leading…

High Energy Physics - Phenomenology · Physics 2022-04-20 Keith Hamilton , Alexander Karlberg , Gavin P. Salam , Ludovic Scyboz , Rob Verheyen

The precise renormalizable interactions in the bosonic sector of electroweak theory are intrinsically determined in the autonomous approach to perturbation theory. This proceeds directly on the Hilbert-Fock space built on the Wigner…

High Energy Physics - Theory · Physics 2026-05-07 José M. Gracia-Bondía , Karl-Henning Rehren , Joseph C. Várilly

We apply on-shell methods to the bottom-up construction of electroweak amplitudes, allowing for both renormalizable and non-renormalizable interactions. We use the little-group covariant massive-spinor formalism, and flesh out some of its…

High Energy Physics - Phenomenology · Physics 2020-04-15 Gauthier Durieux , Teppei Kitahara , Yael Shadmi , Yaniv Weiss

As a first step towards the construction of a general electroweak effective Lagrangian incorporating heavy states, we present here a simplified version where only vector and axial-vector spin-1 triplets are involved. We adopt an effective…

High Energy Physics - Phenomenology · Physics 2019-01-29 Joaquín Santos , Ignasi Rosell , Antonio Pich , Juan José Sanz-Cillero

Based upon our recent study, we reveal the profound physical content of the longitudinal-Goldstone boson equivalence theorem as being able to discriminate physical processes which are sensitive/insensitive to probing the electroweak…

High Energy Physics - Phenomenology · Physics 2009-10-30 H. -J. He , Y. -P. Kuang , C. -P. Yuan

Parton showers are accurate for soft and/or collinear emission, but for a good description of the whole of phase space they need to be supplemented by matrix element corrections. In this paper, we discuss matrix element corrections to the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Gennaro Corcella , Michael H. Seymour

We classify the sensitivities of the future high energy hadron and electron colliders, such as the LHC and the future Linear Colliders, to probing all the next-to-leading order (NLO) bosonic operators for studying the electroweak symmetry…

High Energy Physics - Phenomenology · Physics 2009-10-30 H. -J. He , Y. -P. Kuang , C. -P. Yuan

Vector-boson pair production ranks among the most important Standard-Model benchmark processes at the LHC, not only in view of on-going Higgs analyses. These processes may also help to gain a deeper understanding of the electroweak…

High Energy Physics - Phenomenology · Physics 2015-06-11 Anastasiya Bierweiler , Tobias Kasprzik , Johann H. Kühn , Sandro Uccirati

Extracting longitudinal modes of weak bosons in LHC processes is essential to understand the electroweak-symmetry-breaking mechanism. To that end, we propose a general method, based on wide neural networks, to properly model…

High Energy Physics - Phenomenology · Physics 2024-01-24 Michele Grossi , Massimiliano Incudini , Mathieu Pellen , Giovanni Pelliccioli

We present a consistent way of combining associated weak boson radiation in hard dijet events with hard QCD radiation in Drell-Yan-like scatterings. This integrates multiple tree-level calculations with vastly different cross sections, QCD-…

High Energy Physics - Phenomenology · Physics 2016-02-17 Jesper Roy Christiansen , Stefan Prestel

We present an antenna shower formalism including contributions from initial-state partons and corresponding backwards evolution. We give a set of phase-space maps and antenna functions for massless partons which define a complete shower…

High Energy Physics - Phenomenology · Physics 2015-06-11 M. Ritzmann , D. A. Kosower , P. Skands

WW scattering is dominated at high energies by their longitudinal components, which are the most sensitive to the nature of the electroweak symmetry breaking. Prior to the discovery at the LHC of a Higgs-like particle, unitarization tools…

High Energy Physics - Phenomenology · Physics 2013-04-22 Domènec Espriu , Brian Yencho

We study the simulation of initial-state radiation in angular-ordered parton showers in order to investigate how different interpretations of the ordering variable affect the logarithmic accuracy of such showers. This also enables us to…

High Energy Physics - Phenomenology · Physics 2022-01-26 Gavin Bewick , Silvia Ferrario Ravasio , Peter Richardson , Michael H. Seymour

We consider parton showers based on radiation from QCD dipoles or `antennae'. These showers are built from 2->3 parton splitting processes. The question then arises of what functions replace the Altarelli-Parisi splitting functions in this…

High Energy Physics - Phenomenology · Physics 2010-04-06 Andrew J. Larkoski , Michael E. Peskin

A simulation study of the energy released by extensive air showers in the form of MHz radiation is performed using the CoREAS simulation code. We develop an efficient method to extract this radiation energy from air-shower simulations. We…

High Energy Astrophysical Phenomena · Physics 2016-09-20 Christian Glaser , Martin Erdmann , Jörg R. Hörandel , Tim Huege , Johannes Schulz