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The impact of higher-order final-state photonic corrections on the precise determination of the W-boson mass at the Tevatron and LHC colliders is evaluated. The W-mass shift from a fit to the transverse mass distribution is found to be…

High Energy Physics - Phenomenology · Physics 2011-09-13 C. M. Carloni Calame , G. Montagna , O. Nicrosini , M. Treccani

The proposed future Large Hadron Electron Collider provides sufficient center of mass energies, $\sqrt{s}$, to probe heavy particles decaying into $W^\pm(Z)-$boson of mass $>2m_W$ $(2m_Z)$. In this work we present a study to produce one…

High Energy Physics - Phenomenology · Physics 2023-02-16 Elias Malwa , Mukesh Kumar , Xifeng Ruan , Bruce Mellado

The prospects for the determination of the properties of a hypothetical boson discovered at the Large Hadron Collider using measurements to be performed with the ATLAS and CMS detectors are summarized. The properties that are discussed are…

High Energy Physics - Phenomenology · Physics 2019-08-14 Christoph Ruwiedel

The question of naturalness of the Standard Model (SM) has been a hot topic since the discovery that the Higgs boson has a relatively light mass. It has been pointed out in the past that the mass of a scalar boson can be destabilized by…

High Energy Physics - Phenomenology · Physics 2019-10-01 Philip Baringer , Maxime Gouzevitch , Anna Kropivnitskaya

It is expected that hadron collider measurements of the Higgs boson mass using the decay h -> W^+W^-, followed by the leptonic decay of each W-boson, will be performed by fitting the shape of a distribution which is sensitive to the Higgs…

High Energy Physics - Phenomenology · Physics 2010-04-15 Alan J. Barr , Ben Gripaios , Christopher Gorham Lester

The LHC is making strides in the exploration of the properties of the newly discoverd Higgs boson, $h$. In Refs.~\cite{vonBuddenbrock:2015ema,Kumar:2016vut,vonBuddenbrock:2016rmr} the compatibility of the proton-proton data reported in the…

High Energy Physics - Phenomenology · Physics 2018-01-17 Yaquan Fang , Mukesh Kumar , Bruce Mellado , Yu Zhang , Maosen Zhu

We discuss the O(alpha) electroweak radiative corrections to W and Z boson production and their impact on the measurement of the W mass at hadron colliders. The results of recent improved calculations are presented. We also briefly discuss…

High Energy Physics - Phenomenology · Physics 2011-03-23 U. Baur

Some topics related to Standard Model Higgs boson physics at the Large Hadron Collider are reviewed. Emphasis is put on an overview of QCD corrections to Higgs boson decay and production processes. (Invited talk presented at the XXXth…

High Energy Physics - Phenomenology · Physics 2007-05-23 DIRK GRAUDENZ

We study the phenomenology of the light and heavy Higgs boson production and decay in the context of a $U(1)_{B-L}$ extension of the Standard Model with an additional $Z'$ boson at future $e^+e^-$ linear colliders with center-of-mass…

High Energy Physics - Phenomenology · Physics 2016-08-24 F. Ramirez-Sanchez , A. Gutierrez-Rodriguez , M. A. Hernandez-Ruiz

We identify and study the signatures of the recently proposed Higgsless models at the Large Hadron Collider (LHC). We concentrate on tests of the mechanism of partial unitarity restoration in the longitudinal vector boson scattering, which…

High Energy Physics - Phenomenology · Physics 2009-10-09 Andreas Birkedal , Konstantin Matchev , Maxim Perelstein

Precise determinations of the masses of the $W$ boson and of the top quark could stringently test the radiative structure of the Standard Model (SM) or provide evidence for new physics. We analyze the excellent prospects at a muon collider…

High Energy Physics - Phenomenology · Physics 2009-10-30 M. S. Berger

We study the LHC phenomenology of a couple of mass-degenerate heavy new gauge bosons with the quantum numbers of the Z and photon. We give a leading-order estimate of the number of events expected in Drell-Yan processes in terms of the…

High Energy Physics - Phenomenology · Physics 2014-11-18 Maurizio Piai , Mark Round

In this contribution I briefly summarize several topics related to the measurement of the W-boson mass, M_W, at hadron colliders.

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Keller

LHCb provides unique opportunities to study $W$ and $Z$ boson production at forward rapidities at the LHC. It has recently been suggested that a measurement of the $W$ boson mass by LHCb would complement measurements by ATLAS and CMS. All…

High Energy Physics - Phenomenology · Physics 2019-07-04 Martina Pili

We revisit the CDF data on di-muon production to impose constraints on a large class of Z' bosons occurring in a variety of E_6 GUT based models. We analyze the dependence of these limits on various factors contributing to the production…

High Energy Physics - Phenomenology · Physics 2015-05-27 Jens Erler , Paul Langacker , Shoaib Munir , Eduardo Rojas

The measurements performed at LEP and SLC have substantially improved the precision of the test of the Minimal Standard Model. The precision is such that there is sensitivity to pure weak radiative corrections. This allows to indirectly…

High Energy Physics - Phenomenology · Physics 2007-05-23 Frederic Teubert

At present and future hadron colliders, the precision physics program started in the past will be continued. In particular, a precise determination of the W boson mass will be carried out. This requires the calculation of the radiative…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. M. Carloni Calame , G. Montagna , O. Nicrosini , M. Treccani

We explore a possibility of optimization of the method of determination of the top quark mass from $M_{b\ell}$ distribution in semi-leptonic decays $t \to b \ell\nu$ at LHC and a future linear collider (LC). We discover that the systematic…

High Energy Physics - Phenomenology · Physics 2009-01-07 M. L. Nekrasov

I review the current status of quasar black hole (BH) mass estimations. Spectroscopic methods have been developed to estimate BH mass in broad line quasars to an accuracy of ~0.5 dex. Despite their popularity, significant issues and…

Cosmology and Nongalactic Astrophysics · Physics 2013-02-13 Yue Shen

In this paper we are going to review the status of the computations of the perturbative quantum corrections to the Higgs boson mass in the Standard Model and in its supersymmetric extensions. In particular, supersymmetric theories require a…

High Energy Physics - Phenomenology · Physics 2022-02-25 E. A. Reyes R. , A. R. Fazio