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In supersymmetric theories with a strong conformal sector, soft supersymmetry breaking naturally gives rise to confinement and chiral symmetry breaking in the strong sector at the TeV scale. We construct and analyze models where such a…

High Energy Physics - Phenomenology · Physics 2013-05-30 Aleksandr Azatov , Jamison Galloway , Markus A. Luty

Radiative corrections to high energy scattering processes were given previously in terms of universal soft and collinear functions. This paper gives the collinear functions for all standard model particles, the general form of the soft…

High Energy Physics - Phenomenology · Physics 2010-04-06 Jui-yu Chiu , Andreas Fuhrer , Randall Kelley , Aneesh V. Manohar

Precision predictions play an important role in the search for indirect New Physics effects in the Higgs sector itself. For the electroweak (EW) corrections of the Higgs bosons in extended Higgs sectors several renormalization schemes have…

High Energy Physics - Phenomenology · Physics 2020-05-20 M. Krause , M. Muhlleitner

Electroweak Symmetry Breaking (EWSB) is known to produce a massive universe that we live in. However, it may also provide an important boundary for freeze-in or freeze-out of dark matter (DM) connected to Standard Model via Higgs portal as…

High Energy Physics - Phenomenology · Physics 2022-07-19 Subhaditya Bhattacharya , Sreemanti Chakraborti , Dipankar Pradhan

We study the decay of the metastable symmetric phase in the standard model at finite temperature. For the SU(2)-Higgs model the two wave function correction terms $Z_{\vp}(\vp^2,T)$ and $Z_{\chi}(\vp^2,T)$ of Higgs and Goldstone boson…

High Energy Physics - Phenomenology · Physics 2009-10-22 D. Bödeker , W. Buchmüller , Z. Fodor , T. Helbig

We discuss the electroweak gauge symmetry breaking triggered by a new strong attractive interaction to condensate fermion-antifermion, and topcolor is a prototype. To deal with the fermion pairing, a general method based on the…

High Energy Physics - Phenomenology · Physics 2011-01-13 V. H. Nguyen , X. Y. Pham

With the discovery of the Higgs boson, the spectrum of particles in the Standard Model (SM) is complete. It is more important than ever to perform precision measurements and to test for deviations from SM predictions in the electroweak…

Insight into the electroweak (EW) and Higgs sectors can be achieved through measurements of vector boson scattering (VBS) processes. The scattering of EW bosons are rare processes that are precisely predicted in the Standard Model (SM) and…

In high-energy collisions far above the electroweak scale, the effects of electroweak symmetry breaking are expected to become parametrically small $\delta \sim M_W/E$. This defines the extent to which the electroweak gauge symmetry is…

High Energy Physics - Phenomenology · Physics 2025-08-12 Rodolfo Capdevilla , Tao Han

We present "Custodial Naturalness" as a new mechanism to explain the separation between the electroweak (EW) scale and the scale of potential ultraviolet completions of the Standard Model (SM). We assume classical scale invariance as well…

High Energy Physics - Phenomenology · Physics 2025-01-13 Thede de Boer , Manfred Lindner , Andreas Trautner

We present a model of electroweak symmetry breaking in a warped extra dimension where electroweak symmetry is broken at the UV (or Planck) scale. An underlying conformal symmetry is broken at the IR (or TeV) scale generating masses for the…

High Energy Physics - Phenomenology · Physics 2015-05-13 Yanou Cui , Tony Gherghetta , James D. Wells

We propose a new dynamics of the electroweak symmetry breaking in a classically scale invariant version of the standard model. The scale invariance is broken by the condensations of additional fermions under a strong coupling dynamics. The…

High Energy Physics - Phenomenology · Physics 2016-03-23 Naoyuki Haba , Hiroyuki Ishida , Noriaki Kitazawa , Yuya Yamaguchi

The precise measurement of physics observables and the test of their consistency within the standard model (SM) are an invaluable approach, complemented by direct searches for new particles, to determine the existence of physics beyond the…

Electroweak baryogenesis (EWBG) is sourced by nonstandard $CP$-violating interactions of the Higgs boson with fermions, usually taken to be the top quark, enhanced by its large Yukawa coupling. Numerous papers have studied EWBG sourced by…

High Energy Physics - Phenomenology · Physics 2021-10-04 James M. Cline , Benoit Laurent

The Very Special Relativity Electroweak Standard Model (VSR EW SM) is a theory with $SU(2)_L \times U(1)_R$ symmetry, with the same number of leptons and gauge fields as in the usual Weinberg-Salam (WS) model. No new particles are…

High Energy Physics - Phenomenology · Physics 2015-06-11 Jorge Alfaro , Pablo González , Ricardo Ávila

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 introduce the idea of bosonic see-saw mechanism in analogy with the see-saw mechanism. Bosonic see-saw is a new symmetry breaking mechanism and we apply it to explain electroweak symmetry breaking as an inevitable consequence of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hyung Do Kim

Recently, ``Higgsless'' models of electroweak symmetry breaking have been proposed. Based on compactified five-dimensional gauge theories, these models achieve unitarity of electroweak boson self-interactions through the exchange of a tower…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. Sekhar Chivukula , Hong-Jian He , Masafumi Kurachi , Elizabeth H. Simmons , Masaharu Tanabashi

In high-energy leptonic collisions, such as at a multi-TeV muon collider, the collinear splittings of the electroweak (EW) gauge bosons and leptons are the dominant phenomena, and the scattering processes should thus be formulated in terms…

High Energy Physics - Phenomenology · Physics 2022-02-22 Tao Han , Yang Ma , Keping Xie

The calculation of the leading electroweak corrections to physical transition matrix elements in powers of $M_H^2/v^2$ can be greatly simplified in the limit $M_H^2\gg M_W^2,\, M_Z^2$ through the use of the Goldstone boson equivalence…

High Energy Physics - Phenomenology · Physics 2009-10-28 Loyal Durand , Kurt Riesselmann