English
Related papers

Related papers: One-loop Self-energies in the Electroweak Model wi…

200 papers

A consistent strategy for the subtraction of the divergences in the nonlinearly realized Electroweak Model in the loop expansion is presented. No Higgs field enters into the perturbative spectrum. The local functional equation (LFE),…

High Energy Physics - Phenomenology · Physics 2010-02-21 Daniele Bettinelli , Ruggero Ferrari , Andrea Quadri

An electroweak model is formulated in a finite, four-dimensional quantum field theory without a Higgs particle. The W and Z masses are induced from the electroweak symmetry breaking of one-loop vacuum polarization graphs. The theory…

High Energy Physics - Phenomenology · Physics 2008-06-11 J. W. Moffat

The electroweak model is formulated on the nonlinearly realized gauge group SU(2) X U(1). This implies that in perturbation theory no Higgs field is present. The paper provides the effective action at the tree level, the Slavnov Taylor…

High Energy Physics - Phenomenology · Physics 2010-11-22 Daniele Bettinelli , Ruggero Ferrari , Andrea Quadri

An electroweak model in which the masses of the W and Z bosons and the fermions are generated by quantum loop graphs through a symmetry breaking is investigated. The model is based on a regularized quantum field theory in which the quantum…

High Energy Physics - Phenomenology · Physics 2009-08-07 J. W. Moffat , V. T. Toth

The W-mass measurements from LEP and the results of a global fit of the Standard Model parameters to the electroweak data are presented. Comprehensive studies of experimental systematic effects allowed a measurement of the W mass with an…

High Energy Physics - Experiment · Physics 2007-05-23 S. Roth

This paper includes two main parts. In the first part, we present generalized gauge models based on SU(3)_C x SU(4)_L x U(1)_X (3-4-1) gauge group with arbitrary electric charge of leptons. The mixing matrix of neutral gauge bosons is…

High Energy Physics - Phenomenology · Physics 2016-07-13 H. N. Long , L. T. Hue , D. V. Loi

An electroweak model in which the masses of the W and Z bosons and the fermions are generated by quantum loop graphs through a symmetry breaking is investigated. The model is based on a regularized quantum field theory in which the quantum…

High Energy Physics - Phenomenology · Physics 2010-02-12 J. W. Moffat , V. T. Toth

We complete the list of one loop renormalization group equations and matching conditions relevant for the computation of the electroweak precision parameters $S$ and $T$ in the three site Higgsless model. We obtain one-loop formulas for $S$…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tomohiro Abe , Shinya Matsuzaki , Masaharu Tanabashi

We examine the one loop effective potential in a recently proposed (by Chernodub et. al.) alternative approach to mass generation in the Higgs-gauge sector of the electroweak theory, which does not make use of a classical Higgs potential.…

High Energy Physics - Phenomenology · Physics 2011-05-05 Srijit Bhattacharjee , Parthasarathi Majumdar

We present the (two--loop) QCD corrections to the longitudinal and transverse components of the electroweak gauge bosons self--energies for arbitrary momentum transfer and for different internal quark masses. Compact formulae for both the…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. Djouadi , P. Gambino

We present an effective Lagrangian parameterization describing scalar, vector, and axial-vector bound states, originating from a strong breaking of the electroweak symmetry, based on the global symmetry $SU(N)_L\otimes SU(N)_R$. In this…

High Energy Physics - Phenomenology · Physics 2015-05-18 R. Casalbuoni , A. Deandrea , S. De Curtis , N. Di Bartolomeo , D. Dominici , F. Feruglio , R. Gatto

We present a method for reducing general two-loop self-energies to standard scalar integrals in massive gauge theories with special emphasis on the electroweak Standard Model. It includes the tensor integral reduction for all two-loop…

High Energy Physics - Phenomenology · Physics 2009-10-22 G. Weiglein , R. Scharf , M. Böhm

It is possible to place constraints on non-Standard-Model gauge-boson self-couplings and other new physics by studying their one-loop contributions to precisely measured observables. We extend previous analyses which constrain such…

High Energy Physics - Phenomenology · Physics 2016-08-25 S. Dawson , S. Alam , R. Szalapski

Electroweak precision measurements, encoded in the oblique parameters, give strong constraints on physics beyond the Standard Model. The oblique parameters S, T, U (V, W, X) are calculated in the next-to-minimal supersymmetric model…

High Energy Physics - Phenomenology · Physics 2012-07-05 M. Maniatis , Y. Schroder

We report a method for the evaluation of the one-loop self-energy, to all orders in the external binding field, using a Gaussian basis set expansion. This choice of basis is motivated by its widespread use in molecular calculations. For a…

Quantum Physics · Physics 2025-04-14 Dávid Ferenc , Maen Salman , Trond Saue

This paper is devoted to reconsider the one-loop oblique corrections arising from the scalar superpartners in the MSSM, i.e, the squarks, the sleptons and the scalars in Higgs sector. We explicitly present the complete one-loop forms of…

High Energy Physics - Phenomenology · Physics 2013-10-24 Yao Yu , Sibo Zheng

A new framework to study electroweak physics at one-loop level in general ${\rm SU(2)_L \times U(1)_Y}$ theories is introduced. It separates the 1-loop corrections into two pieces: process specific ones from vertex and box contributions and…

High Energy Physics - Phenomenology · Physics 2008-02-03 K. Hagiwara , S. Matsumoto , C. S. Kim

The one loop effects of two dimension-six operators on gauge boson self energies are computed within an effective field theory framework. These self energies are translated into effects on precision electroweak observables, and bounds are…

High Energy Physics - Phenomenology · Physics 2015-06-15 Harrison Mebane , Nicolas Greiner , Cen Zhang , Scott Willenbrock

We compute the one-loop matching between the Standard Model Effective Field Theory and the low-energy effective field theory below the electroweak scale, where the heavy gauge bosons, the Higgs particle, and the top quark are integrated…

High Energy Physics - Phenomenology · Physics 2022-11-21 Wouter Dekens , Peter Stoffer

A modified formulation of the Electroweak Model with 3-dimensional spherical geometry in the target space is suggested. The {\it free} Lagrangian in the spherical field space along with the standard gauge field Lagrangian form the full…

Mathematical Physics · Physics 2015-05-18 N. A. Gromov
‹ Prev 1 2 3 10 Next ›