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The effect of anomalous couplings in $\gamma \gamma \to W^+ W^-$ is studied for different energies of the $\gamma \gamma$ mode of the next linear collider. The analysis based on the maximum likelihood method exploits the variables in the…

High Energy Physics - Phenomenology · Physics 2009-10-30 M. Baillargeon , G. Bélanger , F. Boudjema

We study $\epsilon'/\epsilon$ in the Standard Model and $\epsilon'/\epsilon$ due to anomalous $WW\gamma$ and $WWZ$ interactions %using recent result on the top quark mass from CDF. as a function of the top quark mass. In the Standard Model,…

High Energy Physics - Phenomenology · Physics 2010-11-01 Xiao-Gang He , B. H. J. McKellar

The effect of perturbative QCD interactions on the high energy scattering of electroweak vector bosons, when the exchanged channel has pion quantum numbers, is considered. The chiral anomaly is shown to appear in the couplings of particular…

High Energy Physics - Phenomenology · Physics 2009-11-10 Alan R. White

Symmetry-breaking phases in many-fermion systems are characterized by anomalous functions that represent transient processes during which some properties of free particles, such as spin or charge, are not conserved. Connecting the…

Strongly Correlated Electrons · Physics 2025-10-09 Václav Janiš , Mukesh Khanore , Antonín Klíč

A fast charged particle crossing the boundary between the chiral matter and vacuum radiates the transition radiation. Its most remarkable features --- the resonant behavior at a certain emission angle and the circular polarization of the…

High Energy Physics - Phenomenology · Physics 2018-11-07 Xu-Guang Huang , Kirill Tuchin

We study the production of gauge boson pairs at the next generation of linear $e^+e^-$ colliders operating in the $e\gamma$ mode. The processes $e\gamma \rightarrow VV^\prime F$ ($V,V^\prime =W$, $Z$, or $\gamma$ and $F=e$ or $\nu$) can…

High Energy Physics - Phenomenology · Physics 2009-10-22 O. J. P. Eboli , M. C. Gonzalez-Garcia , S. F. Novaes

The mechanism of the chiral symmetry breaking is investigated in the strong-coupling Abelian gauge theories at finite temperature. The Schwinger-Dyson equation in Landau gauge is employed in the real time formalism and is solved numerically…

High Energy Physics - Phenomenology · Physics 2009-10-31 Kenji Fukazawa , Tomohiro Inagaki , Seiji Mukaigawa , Taizo Muta

We derive bounds on Higgs and gauge--boson anomalous interactions using the CDF data for the process $p \bar{p} \to \gamma\gamma\gamma + X$. We use a linearly realized $SU_L(2) \times U_Y(1)$ invariant effective Lagrangian to describe the…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. de Campos , M. C. Gonzalez-Garcia , S. M. Lietti , S. F. Novaes , R. Rosenfeld

The temperature behaviour of meson condensates $<\sigma_0>$ and $<\sigma_8>$ is calculated in the $SU(3)\times SU(3)$-linear sigma model. The couplings of the Lagrangian are fitted to the physical $\pi,K,\eta,\eta'$ masses, the pion decay…

High Energy Physics - Phenomenology · Physics 2010-11-01 D. Metzger , H. Meyer--Ortmanns , H. --J. Pirner

A detailed analysis of anomalous U(1)'s and their effective couplings is performed both in field theory and string theory. It is motivated by the possible relevance of such couplings in particle physics, as well as a potential signal…

High Energy Physics - Theory · Physics 2009-11-11 P. Anastasopoulos , M. Bianchi , E. Dudas , E. Kiritsis

We discuss the potentialities of the study of CP-odd interactions of the Higgs boson with photons via its production at gamma-gamma and e-gamma colliders. Our treatment of H-gamma-gamma and H-Z-gamma anomalous interactions includes a set of…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. F. Ginzburg , I. P. Ivanov

It is possible that the low-energy effects of physics beyond the standard model can be parametrized mainly by anomalous couplings of quarks to the W boson. Such couplings can generate potentially significant contributions to various…

High Energy Physics - Phenomenology · Physics 2010-04-23 Jusak Tandean

We consider bound states of fermions with an anomalous magnetic moments in the field of charged cylinder.Also we obtain second order equations for axially symmetric $Z_0(r)$-boson field, radial axially symmetric magnetic field, obtain…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. A. Alanakyan

We investigate the potential of $e\gamma$ collisions to probe anomalous $Wtb$ couplings via the polarized single top quark production process $e^{+} \gamma \to t \bar{b} \bar{\nu_{e}}$. We find 95% confidence level limits on the anomalous…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Sahin , I. Sahin

After many years of investigations, our understanding of the dynamics of strongly-coupled chiral gauge theories is still quite unsatisfactory today. Conventional wisdom about strongly-coupled gauge theories, successfully applied to QCD, is…

High Energy Physics - Theory · Physics 2023-03-22 Stefano Bolognesi , Kenichi Konishi , Andrea Luzio

In this work we study the influence of external electric field and temperature on the chiral phase transition of Quantum Chromodynamics. We use the two-flavor Linear Sigma Model coupled with quarks (LSMq) in a thermal and electrized medium…

High Energy Physics - Phenomenology · Physics 2023-08-02 William R. Tavares , Sidney S. Avancini , Ricardo L. S. Farias

Various thermodynamic quantities and the phase diagram of strongly interacting hot and dense magnetized quark matter are obtained with the $ 2 $-flavour Nambu-Jona-Lasinio model with Polyakov loop considering finite values of the anomalous…

Nuclear Theory · Physics 2020-08-27 Nilanjan Chaudhuri , Snigdha Ghosh , Sourav Sarkar , Pradip Roy

This article is an attempt to a pedagogical introduction and review into the elementary concepts of chiral symmetry in nuclear physics. Effective chiral models such as the linear and nonlinear sigma model will be discussed as well as the…

Nuclear Theory · Physics 2016-09-08 Volker Koch

The interplay of quantum anomalies with magnetic field and vorticity results in a variety of novel non-dissipative transport phenomena in systems with chiral fermions, including the quark-gluon plasma. Among them is the Chiral Magnetic…

High Energy Physics - Phenomenology · Physics 2016-03-23 D. E. Kharzeev , J. Liao , S. A. Voloshin , G. Wang

It is shown that parity operator plays an interesting role in Dirac equation in (1+2) dimensions and can be used for defining chiral currents. It is shown that the "anomalous" current induced by an external gauge field can be related to the…

High Energy Physics - Phenomenology · Physics 2015-06-11 Riazuddin
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