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A complete model of cosmological evolution of a classical scalar field with the Higgs potential is studied and simulated on a computer without assumption that the Hubble constant is nonnegative. The corresponding dynamical system is…

General Physics · Physics 2021-08-18 Yu. G. Ignat'ev , A. R. Samigullina

The Standard Model Higgs suffers from the hierarchy problem, typically implying new states within the reach of the LHC. If the Higgs is very heavy (~500 GeV) the states that cutoff the quadratic divergence may be beyond the reach of the…

High Energy Physics - Phenomenology · Physics 2014-11-18 R. Enberg , P. J. Fox , L. J. Hall , A. Y. Papaioannou , M. Papucci

We consider the inflation model generated by the Standard Model (SM) Higgs boson having a strong non-minimal curvature coupling. This model suggests the range of the Higgs mass $135.6\; {\rm GeV} \lesssim M_H\lesssim 184.5\;{\rm GeV}$…

High Energy Physics - Theory · Physics 2015-05-20 Andrei O. Barvinsky

A version of the Standard Model is considered, where the electroweak symmetry breaking is provided by cosmological initial data given for the zeroth Fourier harmonic of the Higgs field $<\phi>$. The initial data symmetry breaking mechanism…

High Energy Physics - Phenomenology · Physics 2008-01-14 A. B. Arbuzov , L. A. Glinka , V. N. Pervushin

The Higgs boson of the Standard model is described by a set of off-diagonal components of the multidimensional metric tensor, as well as the gauge fields. In the low-energy limit, the basic properties of the Higgs boson are reproduced,…

High Energy Physics - Phenomenology · Physics 2011-08-12 S. V. Bolokhov , K. A. Bronnikov , S. G. Rubin

We consider a model with an extra compact dimension in which the Higgs is a bulk field while all other Standard Model fields are confined on a brane. We find that four-dimensional gauge invariance can still be achieved by appropriate…

High Energy Physics - Theory · Physics 2010-04-05 Alex Kehagias , Kyriakos Tamvakis

A new supersymmetric standard model based on N=1 supergravity is constructed, aiming at natural explanation for the proton stability without invoking an ad hoc discrete symmetry through R parity. The proton is protected from decay by an…

High Energy Physics - Phenomenology · Physics 2009-10-31 Mayumi Aoki , Noriyuki Oshimo

We propose a phenomenological solution to the Electroweak hierarchy problem. It predicts no new particles beyond those in the Standard Model. The Higgs is arbitrarily massive and slow-roll inflation can be implemented naturally. Loop…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Goldman , Michael Martin Nieto

The classical Einstein-Standard Model system with conformally invariant coupling of the Higgs field to gravity is investigated in nearly Schwarzschild black holes. We show that, in the presence of Kantowski-Sachs symmetries, there is a…

General Relativity and Quantum Cosmology · Physics 2017-05-31 László B Szabados

We construct a chaotic inflation model in which the Higgs fields play the role of the inflaton in the standard model as well as in the singlet extension of the supersymmetric standard model. The key idea is to allow a non-canonical kinetic…

High Energy Physics - Phenomenology · Physics 2011-02-15 Kazunori Nakayama , Fuminobu Takahashi

In the standard model, a lower bound to the Higgs mass (for a given top quark mass) exists if one requires that the standard model vacuum be stable. This bound is calculated as precisely as possible, including the most recent values of the…

High Energy Physics - Phenomenology · Physics 2009-10-22 Marc Sher

The present status of the Standard Model and its experimental tests are reviewed, including indications on the likely mass of the Higgs boson. Also discussed are the motivations for supersymmetry and grand unification, searches for…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis

In these lectures we present a brief review of the Higgs boson sector in the ``Standard Model'', and its Minimal Supersymmetric Extension, with particular emphasis on the main mechanisms for Higgs production and decay at LEP2 and LHC, and…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Quiros

It is pointed out that the top-quark and Higgs masses and the Higgs VEV satisfy with great accuracy the relations 4m_H^2=2m_T^2=v^2, which are very special and reminiscent of analogous ones at Argyres - Douglas points with enhanced…

High Energy Physics - Phenomenology · Physics 2015-06-22 A. Gorsky , A. Mironov , A. Morozov , T. N. Tomaras

We study Higgs boson properties in a model where three fermionic families of the Standard Model arise from a single generation in (5+1) dimensions. We demonstrate that, in spite of a non-trivial background, properties of the…

High Energy Physics - Phenomenology · Physics 2010-06-22 M. V. Libanov , E. Y. Nugaev

The situation in particle physics after the discovery of the Higgs boson is discussed. Is the Standard Model consistent quantum field theory? Does it describe all experimental data? Are there any indications of physics beyond the SM? Is…

High Energy Physics - Phenomenology · Physics 2015-12-01 D. I. Kazakov

Extrapolating the Standard Model Higgs potential at high energies, we study the barrier between the electroweak and Planck scale minima. The barrier arises by taking the central values of the relevant experimental inputs, that is the strong…

High Energy Physics - Phenomenology · Physics 2024-11-27 Isabella Masina , Mariano Quiros

A model is presented where the Higgs mechanism of the Standard Model is deduced from the alignment of a strongly correlated fermion system in an internal space with $A_4$ symmetry. The ground state is constructed and its energy calculated.…

High Energy Physics - Phenomenology · Physics 2015-01-27 Bodo Lampe

The Higgs mechanism is one of the central pieces of the Standard Model of electroweak interactions and thanks to it we can generate the masses of the elementary particles. Its fundamental origin is nonetheless unknown. Furthermore, in order…

General Relativity and Quantum Cosmology · Physics 2018-12-04 Joan Sola

We propose a geometric explanation of the standard model of Glashow, Weinberg and Salam for the known elementary particles. Our model is a generic Quantum Field Theory in dimension four, obtained by developing along a Lorentz sub-manifold…

General Physics · Physics 2016-01-19 Daniel Bennequin
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