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Theory and phenomenology of two-Higgs-doublet models

- G. Branco, P. Ferreira, L. Lavoura, M. N. Rebelo, M. Sher, João P. Silva
- Physics
- 31 May 2011

Abstract We discuss theoretical and phenomenological aspects of two-Higgs-doublet extensions of the Standard Model. In general, these extensions have scalar mediated flavour changing neutral currents… Expand

Working Group Report: Higgs Boson

- S. Dawson, S. Zenz, +131 authors S. Kanemura
- Physics
- 30 October 2013

This report summarizes the work of the Energy Frontier Higgs Boson working group of the 2013 Community Summer Study (Snowmass). We identify the key elements of a precision Higgs physics program and… Expand

Electroweak Higgs Potentials and Vacuum Stability

- M. Sher
- Physics
- 1 August 1989

Abstract In electroweak models, radiative corrections to the scalar potential can have significant consequences. In the standard model, they can destabilize the standard model vacuum; the requirement… Expand

Lifetime of the electroweak vacuum and sensitivity to Planck scale physics

- V. Branchina, E. Messina, M. Sher
- Physics
- 22 August 2014

If the Standard Model (SM) is valid up to extremely high energy scales, then the Higgs potential becomes unstable at approximately 1 0 11 GeV . However, calculations of the lifetime of the SM vacuum… Expand

Bounds on ΔB = 1 couplings in the supersymmetric standard model

The most general supersymmetric model contains baryon number violating terms of the form {lambda}{sub ijk} {bar D}{sub i}{bar D}{sub j}{bar U}{sub k} in the superpotential. The authors reconsider the… Expand

Holographic electroweak symmetry breaking from D-branes

We observe several interesting phenomena in a technicolor-like model of electroweak symmetry breaking based on the D4-D8-D8 system of Sakai and Sugimoto. The benefit of holographic models based on… Expand

Vacuum Stability Bounds in the Two-Higgs Doublet Model

- Shuquan Nie, M. Sher
- Physics
- 3 November 1998

Abstract In the standard model, the requirements of vacuum stability and the validity of perturbation theory up to the unification scale force the mass of the Higgs boson to be approximately between… Expand

Quarks and Leptons Beyond the Third Generation

- P. Frampton, P. Q. Hưng, M. Sher
- Physics
- 17 March 1999

Abstract The possibility of additional quarks and leptons beyond the three generations already established is discussed. The make-up of this Report is (1) Introduction : the motivations for… Expand

Photon mass at low temperature?

- J. Primack, M. Sher
- Physics
- Nature
- 1 December 1980

The theoretical observation that gauge symmetries are generally restored at sufficiently high temperature has led us to consider here the conjecture that gauge symmetries are broken at sufficiently… Expand

Charge/color breaking minima and A-parameter bounds in supersymmetric models☆

In supersymmetric models, the requirement that the global potential minimum not violate color and/or electric charge invariance implies restrictions on the parameters of the model. We reassess and… Expand

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