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The measurements resulting from the analysis of the LEP2 data have brought more strong evidence in support of the standard electroweak model. In particular the LEP2 data has revealed (i) the first determination of the SU(2) gauge bosons…

High Energy Physics - Experiment · Physics 2007-05-23 Paolo Azzurri

A promising avenue to perform precision tests of the SM at the LHC is to measure differential cross-sections at high invariant mass, exploiting in this way the growth with the energy of the corrections induced by heavy new physics. We…

High Energy Physics - Phenomenology · Physics 2018-06-11 Roberto Franceschini , Giuliano Panico , Alex Pomarol , Francesco Riva , Andrea Wulzer

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 thourough investigation of radiative corrections allows to gain information on physics processes at higher energy scales than those directly accessible by current experiments. As a consequence, using electroweak precision measurements…

High Energy Physics - Phenomenology · Physics 2011-04-22 Dörthe Ludwig

The mechanism of electroweak symmetry breaking in Little Higgs Models is analyzed in an effective field theory approach. This enables us to identify observable effects irrespective of the specific structure and content of the heavy degrees…

High Energy Physics - Phenomenology · Physics 2009-11-10 W. Kilian , J. Reuter

This writeup is an introduction to some of the experimental issues involved in performing electroweak and B physics measurements at the Fermilab Tevatron. In the electroweak sector, we discuss W and Z boson cross section measurements as…

High Energy Physics - Experiment · Physics 2007-05-23 Kevin T. Pitts

Future precision measurements of the Standard Model (SM) parameters at the proposed Z-factories and Higgs factories may have significant impacts on new physics beyond the Standard Model (BSM). We illustrate this by focusing on the Type-II…

High Energy Physics - Phenomenology · Physics 2019-01-29 Ning Chen , Tao Han , Shufang Su , Wei Su , Yongcheng Wu

We review Electroweak breaking in warped Extra Dimensions and show how it is constrained by Electroweak precision tests. We then proceed to describe a model which is based on a bulk Higgs field and a metric that is deformed from the usual…

High Energy Physics - Phenomenology · Physics 2011-07-26 Gero von Gersdorff

1. Introduction 2. Status of the Data 3. Precision Electroweak Data and the Standard Model 4. A More General Analysis of Electroweak Data 4.1 Basic Definitions and Results 4.2 Experimental Determination of the Epsilon Variables 4.3…

High Energy Physics - Phenomenology · Physics 2011-07-19 G. Altarelli , R. Barbieri , F. Caravaglios

Precise measurements of the interactions of electroweak vector bosons at the ILC yield information about the physics of electroweak symmetry breaking. In order to combine this with the possible observation of new resonances or the effects…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Kilian , J. Reuter

The potential of present and anticipated future electroweak precision data, including the Higgs boson and top quark masses, for testing quantum effects of the electroweak theory is investigated in the context of the Minimal Supersymmetric…

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

Recent calculations of the two-loop electroweak effects enhanced by powers of the top mass have been implemented in the main electroweak libraries and have an important effect on the indirect determination of the Higgs mass MH. I briefly…

High Energy Physics - Phenomenology · Physics 2007-05-23 Paolo Gambino

We revisit in some more detail a recent specific proposal for the breaking of the electroweak symmetry and of supersymmetry by a compact extra dimension. Possible mass terms for the Higgs and the matter hypermultiplets are considered and…

High Energy Physics - Phenomenology · Physics 2009-11-07 Riccardo Barbieri , Guido Marandella , Michele Papucci

This note summarizes many detailed physics studies done by the ATLAS and CMS Collaborations for the LHC, concentrating on processes involving the production of high mass states. These studies show that the LHC should be able to elucidate…

High Energy Physics - Phenomenology · Physics 2012-08-27 The ATLAS Collaboration , the CMS Collaboration , J. G. Branson , D. Denegri , I. Hinchliffe , F. Gianotti , F. E. Paige , P. Sphicas

The recent measurement of the $W$ boson mass by the CDF II collaboration exhibits a significant tension with the Standard Model (SM) prediction and other experimental determinations. In this work, we investigate the implications of this…

High Energy Physics - Phenomenology · Physics 2026-04-07 Hindi Zouhair

The Lee-Wick (LW) formulation of higher-derivative theories can be extended from one in which the extra degrees of freedom are represented as a single heavy, negative-norm partner for each known particle (N=2), to one in which a second,…

High Energy Physics - Phenomenology · Physics 2013-05-30 Richard F. Lebed , Russell H. TerBeek

The scattering of longitudinally polarized W bosons in extensions of the Standard Model with anomalous Higgs couplings to the gauge sector and higher order $O(p^4)$ operators is considered. The modified couplings should be thought as the…

High Energy Physics - Phenomenology · Physics 2015-06-17 Domenec Espriu

We propose a solution to the recent $W$ mass measurement by embedding the Standard Model within $E_6$ models. The presence of a new $U(1)$ group shifts the $W$ boson mass at the tree level and introduces a new gauge boson $Z^{\prime}$ which…

High Energy Physics - Phenomenology · Physics 2023-04-19 Vernon Barger , Cash Hauptmann , Peisi Huang , Wai-Yee Keung

We summarize the status of the Standard Model with special emphasis on the extraction of the Higgs boson mass using Bayesian inference.

High Energy Physics - Phenomenology · Physics 2007-05-23 Jens Erler

The B-meson system offers interesting probes for the search of physics beyond the Standard Model. After addressing possible signals of new-physics contributions to the B -> phi K and B -> pi K decay amplitudes, we focus on the data for…

High Energy Physics - Phenomenology · Physics 2011-03-23 Robert Fleischer
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