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Production of Chern-Simons bosons in decays of mesons

Publications associées (80)

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Composite Higgs as a Viable Scenario for Electro-Weak Symmetry Breaking

Jan Dalibor Mrazek

This thesis presents a general discussion of the Composite Higgs scenario of Electro-Weak Symmetry Breaking (EWSB). We start by reviewing the Standard Model of Electro-Weak interaction, discussing its experimental tests and conceptual pitfalls. Emphasis is ...

EPFL2011

The other natural two Higgs doublet model

Riccardo Rattazzi, Andrea Wulzer, Jan Dalibor Mrazek

We characterize models where electroweak symmetry breaking is driven by two light Higgs doublets arising as pseudo-Nambu-Goldstone bosons of new dynamics above the weak scale. They represent the simplest natural two Higgs doublet alternative to supersymmet ...

2011

Sequestering by global symmetries in Calabi–Yau string models

Claudio Scrucca, Christopher John Andrey

We study the possibility of realizing an effective sequestering between visible and hidden sectors in generic heterotic string models, generalizing previous work on orbifold constructions to smooth Calabi-Yau compactifications. In these theories, genuine s ...

Elsevier2011

On the importance of electroweak corrections for Majorana dark matter indirect detection

Andrea De Simone

Recent analyses have shown that the inclusion of electroweak corrections can alter significantly the energy spectra of Standard Model particles originated from dark matter annihilations. We investigate the important situation where the radiation of electro ...

2011

Fast and accurate algorithm for the simulation of NMR spectra of large spin systems

Luc Patiny, Julien Wist, Andrés Mauricio Castillo Robles

The computational cost for the simulation of NMR spectra grows exponentially with the number of nuclei. Today, the memory available to store the Hamiltonian limits the size of the system that can be studied. Modern computers enable to tackle systems contai ...

2011

T-parity, its problems and their solution

Alessandro Vichi, Duccio Pappadopulo

We point out a basic difficulty in the construction of little-Higgs models with T-parity which is overlooked by large part of the present literature. Almost all models proposed so far fail to achieve their goal: they either suffer from sizable electroweak ...

2011

Review of Particle Physics

This biennial Review summarizes much of particle physics. Using data from previous editions, plus 2158 new measurements from 551 papers, we list, evaluate, and average measured properties of gauge bosons, leptons, quarks, mesons, and baryons. We also summa ...

2010

Anomaly driven signatures of new invisible physics at the Large Hadron Collider

Alexey Boyarsky, Oleg Ruchayskiy

Many extensions of the Standard Model (SM) predict new neutral vector bosons at energies accessible by the Large Hadron Collider (LHC). We study an extension of the SM with new chiral fermions subject to non-trivial anomaly cancellations. If the new fermio ...

2010

Minimal matter at the large hadron collider

Duccio Pappadopulo, Roberto Franceschini

We classify all possible new U(1)(Y) circle times SU(2)(L) circle times SU(3)(c) multiplets that can couple to pairs of SM particles. Assuming that production of such new particles is dominated by their gauge interactions we study their signals at LHC, fin ...

2010

Gauge boson mass generation in AdS(4)

Riccardo Rattazzi

We investigate the role of boundary conditions in gauge theories in AdS(4). The presence of the boundary can break the gauge symmetry consistently with AdS(4) isometries. We show that, as a consequence, the gauge bosons associated to the broken symmetries ...

2009