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With an eye toward the usual unphysical divergence of hard fixed-order corrections in predictions for the processes probed in high energy colliding hadron beam devices as one approaches the soft limit, we present a new approach to the…

High Energy Physics - Phenomenology · Physics 2016-09-29 B. F. L. Ward

The studies of the associated production processes of a top-quark pair with a colour-singlet boson, e.g. Higgs, W or Z, are among the highest priorities of the LHC programme. Correspondingly, improvements in precision of theoretical…

High Energy Physics - Phenomenology · Physics 2020-08-26 Anna Kulesza , Leszek Motyka , Daniel Schwartländer , Tomasz Stebel , Vincent Theeuwes

The inclusive production of hadrons through electroweak currents can be rigorously analysed with short-distance theoretical tools. The associated observables are insensitive to the involved infrared behaviour of the strong interaction,…

High Energy Physics - Phenomenology · Physics 2021-02-03 Antonio Pich

This report was prepared in the context of the LPCC "Electroweak Precision Measurements at the LHC WG" and summarizes the activity of a subgroup dedicated to the systematic comparison of public Monte Carlo codes, which describe the…

Using the 4-Dimensional Composite Higgs Model (4DCHM) realization of the minimal composite Higgs scenario, we discuss the Large Hadron Collider (LHC) sensitivity to new physics signals from multiple $Z^\prime$ and $W^\prime$ broad…

High Energy Physics - Phenomenology · Physics 2022-11-29 J. Fiaschi , F. Giuli , F. Hautmann , S. Moretti

Motivated by the restoration of $SU(2)\times U(1)$ at high energy, we suggest that certain ratios of diboson differential cross sections can be used as high-precision observables at the LHC. We rewrite leading-order diboson partonic cross…

High Energy Physics - Phenomenology · Physics 2016-04-20 Christopher Frye , Marat Freytsis , Jakub Scholtz , Matthew J. Strassler

This document provides a writeup of all contributions to the workshop on "High precision measurements of $\alpha_s$: From LHC to FCC-ee" held at CERN, Oct. 12--13, 2015. The workshop explored in depth the latest developments on the…

I review recent advances in the calculation of higher-order soft-gluon corrections for a variety of QCD, Higgs, and SUSY processes in hadron colliders. A unified approach and master formulas for next-to-next-to-leading order soft and…

High Energy Physics - Phenomenology · Physics 2009-11-10 Nikolaos Kidonakis

Scenarios with new physics particles feebly interacting with the Standard Model sector provide compelling candidates for dark matter searches. Geared with a set of new experiments for the detection of neutrinos and long-lived particles the…

High Energy Physics - Phenomenology · Physics 2024-04-12 Luca Buonocore , Felix Kling , Luca Rottoli , Jonas Sominka

We discuss the new era of precision QCD as it relates to the physics requirements of the LHC for both the signal and background type processes. Some attention is paid to the issue of the theoretical error associated with any given…

High Energy Physics - Phenomenology · Physics 2014-09-05 B. F. L. Ward

We present a calculation of the next-to-leading-order electroweak corrections to W+\gamma\ production, including the leptonic decay of the W boson and taking into account all off-shell effects of the W boson, where the finite width of the W…

High Energy Physics - Phenomenology · Physics 2015-11-13 Ansgar Denner , Stefan Dittmaier , Markus Hecht , Christian Pasold

We describe recent results from CMS and TOTEM on hard diffraction, diffractive jets and jet gap jet events. We also give the first sensitivities and limits on quartic anomalous couplings and axion-like particles at high mass using the LHC…

High Energy Physics - Experiment · Physics 2023-01-23 C. Royon

The LHCb collaboration pursues a full physics program studying dense QCD with both beam-beam and fixed-target collisions. The forward design of the LHCb spectrometer allows probing the low-x region of the nucleus, while high vertexing…

High Energy Physics - Experiment · Physics 2023-06-21 A. Merli

The complete next-to-next-to leading order (NNLO) QCD correction matched with next-to-next-to leading logarithm (NNLL) has been studied for Drell-Yan production through spin-2 particle at the Large hadron collider (LHC). We consider generic…

High Energy Physics - Phenomenology · Physics 2021-04-28 Goutam Das , M. C. Kumar , Kajal Samanta

A fully differential calculation of the next-to-leading order QCD corrections to the production of Z-boson pairs in association with a hard jet at the Tevatron and LHC is presented. This process is an important background for Higgs particle…

High Energy Physics - Phenomenology · Physics 2014-11-20 T. Binoth , T. Gleisberg , S. Karg , N. Kauer , G. Sanguinetti

Building on earlier work on electroweak corrections to W-pair production, the first calculation of the full electroweak one-loop corrections to on-shell ZZ, W$^{\pm}$Z and $\gamma\gamma$ production at hadron colliders is presented,…

High Energy Physics - Phenomenology · Physics 2015-06-16 Anastasiya Bierweiler , Tobias Kasprzik , Johann H. Kühn

The next-to-leading-order electroweak corrections to $pp\to l^+l^-/\bar\nu\nu+\gamma+X$ production, including all off-shell effects of intermediate Z bosons in the complex-mass scheme, are calculated for LHC energies, revealing the…

High Energy Physics - Phenomenology · Physics 2016-03-23 Ansgar Denner , Stefan Dittmaier , Markus Hecht , Christian Pasold

With an eye toward LHC processes in which theoretical precisions of 1 percent are desired, we introduce the theory of the simultaneous YFS resummation of QED and QCD to compute the size of the expected resummed soft radiative threshold…

High Energy Physics - Phenomenology · Physics 2011-07-19 B. F. L. Ward , C. Glosser , S. Jadach , S. A. Yost

We present sensitivity projections for discovering a heavy resonance decaying to electron and muon pairs and for probing the charged lepton non-universality in such decays at the HL-LHC and FCC-hh. The analysis takes into account the…

High Energy Physics - Phenomenology · Physics 2022-10-05 F. Conventi , G. D'Ambrosio , A. M. Iyer , E. Rossi

Recently the next-to-next-to-leading order QCD corrections and the electroweak O(alpha) corrections to the Higgs-strahlung processes ppbar/pp -> WH/ZH + X have been calculated. Both types of corrections are of the order of 5-10%. In this…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. Brein , M. Ciccolini , S. Dittmaier , A. Djouadi , R. Harlander , M. Krämer
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