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Related papers: Mass Generation from Higgs-like Ghosts

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The recent discovery of a Higgs-like boson at the LHC with a mass of 126 GeV has revived the interest in supersymmetric models, which predicted a Higgs boson mass below 130 GeV long before its discovery. We compare systematically the…

High Energy Physics - Phenomenology · Physics 2015-06-16 C. Beskidt , W. de Boer , D. I. Kazakov

Vector bosons heavier than $10^{-22}$ eV can be viable dark matter candidates with distinctive experimental signatures. Ultralight dark matter generally requires a non-thermal origin to achieve the observed density, while still behaving…

High Energy Physics - Phenomenology · Physics 2019-03-06 Jeff A. Dror , Keisuke Harigaya , Vijay Narayan

The properties of elementary particles are encoded in their respective propagators and interaction vertices. For a SU(2) gauge theory coupled to a doublet of fundamental complex scalars these propagators are determined in both the Higgs…

High Energy Physics - Lattice · Physics 2011-03-03 Axel Maas

Irreducible gauge theories in both the Lagrangian and Hamiltonian versions of the Sp(2)-covariant quantization method are studied. Solutions to generating equations are obtained in the form of expansions in power series of ghost and…

High Energy Physics - Theory · Physics 2007-05-23 P. M. Lavrov , P. Yu. Moshin , A. A. Reshetnyak

A non-linear sigma model effective lagrangian is analyzed for theories in which supersymmetry is softly broken at scales below the electroweak symmetry breaking scale. Besides the gauge and matter supermultiplets, the low energy theory…

High Energy Physics - Phenomenology · Physics 2009-10-28 Thomas E. Clark , Tonnis A. ter Veldhuis

The Gaussian Effective Potential (GEP) is derived for the non-Abelian SU(2)xU(1) gauge theory of electroweak interactions. First the problem of gauge invariance is addressed in the Abelian U(1) theory, where an optimized GEP is shown to be…

High Energy Physics - Phenomenology · Physics 2008-12-18 Fabio Siringo , Luca Marotta

In the context of a simple gauge-Higgs unification (GHU) scenario based on the gauge group SU(3)$\times$U(1)$^\prime$ in a 5-dimensional flat space-time, we investigate a possibility to reproduce the observed Higgs boson mass of around 125…

High Energy Physics - Phenomenology · Physics 2019-12-06 Jason Carson , Nobuchika Okada

Our contribution sets out to investigate the phenomenology of a gauge model based on an $SU_{L}(2) \times U_{R}(1)_{J} \times U(1)_{K}$-symmetry group. The model can accommodate in its distinct phases - by virtue of different…

High Energy Physics - Phenomenology · Physics 2018-02-19 M. J. Neves , J. A. Helayël-Neto

We investigate the possibility that gauginos are massless at tree level and that the U(1) R-invariance is broken spontaneously by Higgs vevs, like the chiral symmetry of quarks in the standard model, or else explicitly by dimension 2 or 3…

High Energy Physics - Phenomenology · Physics 2008-02-03 Glennys R. Farrar , Antonio Masiero

We derive the relation between the Hilbert space of certain geometries under the Bohr-Sommerfeld quantization and the perturbative prepotentials for the supersymmetric five-dimensional SU(N) gauge theories with massive fundamental matters…

High Energy Physics - Theory · Physics 2008-11-26 Yui Noma

We propose a new mechanism for generating small neutrino masses which predicts the relation m_\nu ~ v^4/M^3, where v is the electroweak scale, rather than the conventional seesaw formula m_\nu ~ v^2/M. Such a mass relation is obtained via…

High Energy Physics - Phenomenology · Physics 2009-10-29 K. S. Babu , S. Nandi , Zurab Tavartkiladze

In supersymmetric extensions of the Standard Model, the observed particles come in fermion-boson pairs necessary for the realization of supersymmetry (SUSY). In spite of the expected abundance of super-partners for all the known particles,…

High Energy Physics - Theory · Physics 2021-04-13 Pedro D. Alvarez , Lucas Delage , Mauricio Valenzuela , Jorge Zanelli

The hypothesis is explored that fermion rest mass is due entirely to self-interaction via virtual excitation of gauge bosons. This requires revising the standard model to treat both chiral projections of a fermion field as SU(2) doublets,…

High Energy Physics - Theory · Physics 2008-04-10 R. K. Nesbet

We propose a scenario of dark sector described by a hidden $SU(2)$ gauge symmetry which is broken by a vacuum expectation value(VEV) of a scalar multiplet. We discuss a general mass relation among $SU(2)$ gauge bosons after spontaneous…

High Energy Physics - Phenomenology · Physics 2021-07-07 Takaaki Nomura , Hiroshi Okada , Seokhoon Yun

Hidden sector particles with sub-GeV masses like hidden U(1) gauge bosons, the NMSSM CP-odd Higgs, and other axion-like particles are experimentally little constrained as they interact only very weakly with the visible sector. For masses…

High Energy Physics - Phenomenology · Physics 2010-08-27 Sarah Andreas , Andreas Ringwald

The Connes and Lott reformulation of the strong and electroweak model represents a promising application of noncommutative geometry. In this scheme the Higgs field naturally appears in the theory as a particular `gauge boson', connected to…

High Energy Physics - Theory · Physics 2015-06-26 F. Lizzi , G. Mangano , G. Miele , G. Sparano

In supersymmetric models, a correlation exists between the structure of the Higgs sector quartic potential and the coupling of the lightest CP-even Higgs to fermions and gauge bosons. We exploit this connection to relate the observed value…

High Energy Physics - Phenomenology · Physics 2015-06-12 Rick S. Gupta , Marc Montull , Francesco Riva

We consider a left-right symmetric model in which neutrinos acquire mass due to the spontaneous violation of both the gauged $B-L$ and a global $U(1)$ symmetry broken by the vacuum expectation value (VEV) of a gauge singlet scalar boson…

High Energy Physics - Phenomenology · Physics 2016-09-01 E. Akhmedov , A. Joshipura , S. Ranfone , J. W. F. Valle

We point out that the type III seesaw mechanism introducing fermion triplets predicts peculiar Higgs boson signatures of displaced vertices with two b jets and one or two charged particles which can be cleanly identified. In a…

High Energy Physics - Phenomenology · Physics 2010-11-08 Priyotosh Bandyopadhyay , Eung Jin Chun

The Gauss law constraint in the Hamiltonian form of the $SU(2)$ gauge theory of gluons is satisfied by any functional of the gauge invariant tensor variable $\phi^{ij} = B^{ia} B^{ja}$. Arguments are given that the tensor $G_{ij} =…

High Energy Physics - Theory · Physics 2007-05-23 D. Z. Freedman , P. E. Haagensen , K. Johnson , J. I. Latorre