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A linear e+e- collider (LC) could go into operation in the next decade. The LHC is currently exploring the Higgs sector of the SM, various supersymmetric extensions and other models. The LC is necessary to complete the profile of a Higgs…

High Energy Physics - Phenomenology · Physics 2015-03-11 S. Heinemeyer

Future e+e- colliders give the promise of model-independent determinations of the couplings of the Higgs boson. In this paper, we present an improved formalism for extracting Higgs boson couplings from e+e- data, based on the Effective…

High Energy Physics - Phenomenology · Physics 2018-03-28 Tim Barklow , Keisuke Fujii , Sunghoon Jung , Robert Karl , Jenny List , Tomohisa Ogawa , Michael E. Peskin , Junping Tian

QCD corrections to inclusive Higgs boson production at the LHC are evaluated at next-to-next-to leading order. By performing asymptotic expansion of the cross section near the limit of infinitely heavy top quark we obtained a few first top…

High Energy Physics - Phenomenology · Physics 2010-05-18 Alexey Pak , Mikhail Rogal , Matthias Steinhauser

Corrections of 10-30% for backgrounds to the H --> WW --> l^+l^-\sla{p}_T search in vector boson and gluon fusion at the LHC are reviewed to make the case for precise and accurate theoretical background predictions.

High Energy Physics - Phenomenology · Physics 2008-11-26 N. Kauer

We briefly review the limits on new interactions implied by electroweak precision data. Special attention is payed to the bounds on the Higgs boson mass. We also comment on the required cancellation among the new contributions to precisely…

High Energy Physics - Phenomenology · Physics 2015-05-28 F. del Aguila , J. de Blas

Recent higher-order results for precision observables in the Standard Model (SM) and the Minimal Supersymmetric Standard Model (MSSM) and for the neutral CP-even Higgs-boson masses of the MSSM are summarized. Furthermore a brief discussion…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Weiglein

Precise measurements of SM particles properties at the LHC allows to look for heavy New Physics in the context of an Effective Field Theory (EFT). These searches, however, often rely on kinematic regions where the validity of the EFT may be…

High Energy Physics - Phenomenology · Physics 2015-09-16 Martin Gorbahn , Jose Miguel No , Veronica Sanz

This lecture discusses the Higgs boson sectors of the SM and the MSSM, in particular in view of the recently discovered particle at \sim 125.5 GeV. It covers aspects of Higgs physics at the LHC and the ILC.

High Energy Physics - Phenomenology · Physics 2014-05-19 S. Heinemeyer

After some recollection of the implications that top quark and Higgs boson properties determination have had on each other, we discuss recent and future expected progress in the study of the top-Higgs sector. In particular we discuss some…

High Energy Physics - Phenomenology · Physics 2019-01-21 Roberto Franceschini

We study corrections to observables related to the muon in the context of models of new physics which generate mass-enhanced corrections to the muon dipole moments. Working in the Standard Model effective theory, we demonstrate a…

High Energy Physics - Phenomenology · Physics 2023-06-26 Radovan Dermisek , Keith Hermanek , Navin McGinnis , Sangsik Yoon

We introduce a framework, based on an effective field theory approach, that allows one to perform characterisation studies of the boson recently discovered at the LHC, for all the relevant channels and in a consistent, systematic and…

High Energy Physics - Phenomenology · Physics 2015-06-16 P. Artoisenet , P. de Aquino , F. Demartin , R. Frederix , S. Frixione , F. Maltoni , M. K. Mandal , P. Mathews , K. Mawatari , V. Ravindran , S. Seth , P. Torrielli , M. Zaro

These lectures focus on the structure of various Higgs boson theories. Topics in the first lectures include: mass generation in chiral theories, spontaneous symmetry breaking, neutrino masses, perturbative unitarity, vacuum stability,…

High Energy Physics - Phenomenology · Physics 2009-09-28 James D. Wells

This document aims to provide an assessment of the potential of future colliding beam facilities to perform Higgs boson studies. The analysis builds on the submissions made by the proponents of future colliders to the European Strategy…

High Energy Physics - Phenomenology · Physics 2025-02-13 J. de Blas , M. Cepeda , J. D'Hondt , R. K. Ellis , C. Grojean , B. Heinemann , F. Maltoni , A. Nisati , E. Petit , R. Rattazzi , W. Verkerke

The properties of 125 GeV new particle, which was discovered in 2012 at the Large Hadron Collider (LHC), are found to be consistent with those of the Higgs boson in the standard model (SM). Hereafter the new particle is dubbed as SM-like…

High Energy Physics - Phenomenology · Physics 2014-05-12 Xiao-ping Wang , Shou-hua Zhu

For the interpretation of the signal discovered in the Higgs searches at the LHC it will be crucial in particular to discriminate between the minimal Higgs sector realised in the Standard Model (SM) and its most commonly studied extension,…

High Energy Physics - Phenomenology · Physics 2014-04-23 T. Hahn , S. Heinemeyer , W. Hollik , H. Rzehak , G. Weiglein

We review recent theoretical progress in evaluating higher order QCD corrections to Higgs boson differential distributions at hadron-hadron colliders.

High Energy Physics - Phenomenology · Physics 2009-11-10 V. Ravindran , J. Smith , W. L. van Neerven

I present a calculation of higher-order radiative corrections to charged Higgs production in association with a top quark via the process bg -> tH-. Results for charged Higgs production at the LHC are presented, including the dependence of…

High Energy Physics - Phenomenology · Physics 2009-04-25 Nikolaos Kidonakis

We derive the second-order QCD corrections to the production of a Higgs boson recoiling against a parton with finite transverse momentum, working in the effective field theory in which the top quark contributions are integrated out. To…

High Energy Physics - Phenomenology · Physics 2016-10-17 X. Chen , J. Cruz-Martinez , T. Gehrmann , E. W. N. Glover , M. Jaquier

Several important processes and analyses at the LHC are sensitive to higher-order perturbative corrections beyond what can currently be calculated at fixed order. The formalism of High Energy Jets (HEJ) calculates the corrections…

High Energy Physics - Phenomenology · Physics 2018-09-26 Jeppe R. Andersen , Tuomas Hapola , Marian Heil , Andreas Maier , Jennifer M. Smillie

A concise review of precision measurements in the Higgs sector of the Standard Model (SM) of particle physics is given using ATLAS and CMS data. The results are based on LHC Run-2 data, taken between 2015 and 2018. Impressive progress has…

High Energy Physics - Experiment · Physics 2020-01-22 Andre Sopczak