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Related papers: Sudakov Electroweak effects in transversely polari…

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A first order electroweak phase transition probes physics beyond the Standard Model on multiple frontiers and therefore is of immense interest for theoretical exploration. We conduct a model-independent study of the effects of relevant…

High Energy Physics - Phenomenology · Physics 2024-08-20 Upalaparna Banerjee , Sabyasachi Chakraborty , Suraj Prakash , Shakeel Ur Rahaman

Enlarging a previous analysis, where only fermions and transverse gauge bosons were taken into account, we write down infrared-collinear evolution equations for the Standard Model of electroweak interactions computing the full set of…

High Energy Physics - Phenomenology · Physics 2009-11-11 Paolo Ciafaloni , Denis Comelli

In future collider experiments at the TeV scale, large logarithmic corrections originating from massive boson exchange can lead to significant corrections to observable cross sections. Recently double logarithms of the Sudakov-type were…

High Energy Physics - Phenomenology · Physics 2010-03-25 Michael Melles

At future linear $e^+e^-$ collider experiments in the TeV range, Sudakov double logarithms originating from massive boson exchange can lead to significant corrections to the cross sections of the observable processes. These effects are…

High Energy Physics - Phenomenology · Physics 2009-10-31 V. S. Fadin , L. N. Lipatov , A. D. Martin , M. Melles

Hard processes at the TeV scale exhibit enhanced (double log) EW corrections even for inclusive observables, leading to violation of the Bloch-Nordsieck theorem. This effect, previously related to the non abelian nature of free EW charges…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. Ciafaloni , P. Ciafaloni , D. Comelli

The utility of polarized electron beams for precision electroweak studies is described. Parity violating Moller scattering asymmetries in e-e- --> e-e- are discussed. Effects of electroweak radiative corrections and the running…

High Energy Physics - Phenomenology · Physics 2015-06-25 Andrzej Czarnecki , William J. Marciano

A brief review is given of precision electroweak physics, and its implications for establishing the standard model and constraining the possibilities for new physics at the TeV scale and beyond.

High Energy Physics - Phenomenology · Physics 2008-11-26 Paul Langacker

The cross-section for W^+W^- \to W^+W^- with arbitrarily polarized W bosons is calculated within the Electroweak Standard Model including the complete virtual and soft-photonic O(alpha) corrections. We show the numerical importance of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Denner , T. Hahn

We discuss the next to the leading order (NLO) electroweak radiative corrections to the $e^- e^+ \rightarrow f^- f^+ (\gamma)$ cross section asymmetry, for polarized and unpolarized beam scenario. The left-right and forward-backward…

High Energy Physics - Phenomenology · Physics 2017-04-26 A. Aleksejevs , S. Barkanova , V. Zykunov

I summarise the virtual effects of the new particles predicted by supersymmetric extensions of the Standard Model on the high-precision electroweak observables measured at LEP/SLC, the Tevatron and CLEO. I will then discuss in some details…

High Energy Physics - Phenomenology · Physics 2007-05-23 Abdelhak Djouadi

Summary of electroweak Standard Model, including aspects of gauge summetry, symmetry breaking, and quantum radiative corrections. Implications of precise electroweak measurements for Standard Model and hypothetical non-Standard states and…

High Energy Physics - Phenomenology · Physics 2008-02-03 Dallas C. Kennedy

The cross section for $e^-e^- \to e^-e^-$ with arbitrary electron polarizations is calculated within the Electroweak Standard Model for energies large compared to the electron mass, including the complete virtual and soft-photonic…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ansgar Denner , Stefano Pozzorini

We analyse and compare the finite-temperature electroweak phase transition properties of classically (non)conformal extensions of the Standard Model. In the classically conformal scenarios the breaking of the electroweak symmetry is…

High Energy Physics - Phenomenology · Physics 2020-03-11 Francesco Sannino , Jussi Virkajärvi

We study electroweak Sudakov corrections in high energy scattering, and the cancellation between real and virtual Sudakov corrections. Numerical results are given for the case of heavy quark production by gluon collisions involving the…

High Energy Physics - Phenomenology · Physics 2015-06-22 Aneesh V. Manohar , Brian Shotwell , Christian W. Bauer , Sascha Turczyk

We compute the leading-order evolution of parton distribution functions for all the Standard Model fermions and bosons up to energy scales far above the electroweak scale, where electroweak symmetry is restored. Our results include the 52…

High Energy Physics - Phenomenology · Physics 2017-09-13 Christian W. Bauer , Nicolas Ferland , Bryan R. Webber

We derive logarithmically enhanced two-loop virtual electroweak corrections for arbitrary fermion-scattering processes at the TeV scale. This extends results previously obtained for massless fermion scattering to processes that involve also…

High Energy Physics - Phenomenology · Physics 2009-11-19 Ansgar Denner , Bernd Jantzen , Stefano Pozzorini

Extensions of the Standard Model often come with additional, possibly electroweakly charged Higgs states, the prototypal example being the Two-Higgs-Doublet Model. While collider phenomenology does not exclude the possibility for some of…

High Energy Physics - Phenomenology · Physics 2019-11-18 Florian Domingo , Sebastian Paßehr

Full one-loop electroweak-corrections for an $e^-e^+\rightarrow t \bar{t}$ process associated with sequential $t\rightarrow b \mu\nu_\mu$ decay are discussed. At the one-loop level, the spin-polarization effects of the initial electron and…

High Energy Physics - Phenomenology · Physics 2018-06-25 Nhi M. U. Quach , Yoshimasa Kurihara , Khiem H. Phan , Takahiro Ueda

We review the empirical evidence for the validity of the Standard Electroweak Theory in nature. The experimental data are interpreted in terms of an effective Lagrangian for Z physics, allowing for potential sources of SU(2) violation and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Dieter Schildknecht

The O(\alpha) electroweak radiative corrections to the process pp, ppbar\to W \to\ell^\pm\nu (\ell=e,\mu) are calculated. The O(\alpha) corrections can be decomposed into separately gauge invariant contributions to the W boson production…

High Energy Physics - Phenomenology · Physics 2009-10-31 U. Baur , S. Keller , D. Wackeroth