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Search for associated production of dark matter with a Higgs boson decaying to $ \mathrm{b}\overline{\mathrm{b}} $ or $\gamma \gamma$ at $ \sqrt{s}=13$ TeV

Related publications (53)

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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

Solving the mu problem with a heavy Higgs boson

Roberto Franceschini

We discuss the generation of the mu-term in a class of supersymmetric models characterized by a low energy effective superpotential containing a term lambda SH1H2 with a large coupling lambda similar to 2. These models generically predict a lightest Higgs ...

2011

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

Strong double higgs production at the LHC

Riccardo Rattazzi, Roberto Contino

The hierarchy problem and the electroweak data, together, provide a plausible motivation for considering a light Higgs emerging as a pseudo-Goldstone boson from a strongly-coupled sector. In that scenario, the rates for Higgs production and decay di ff er ...

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

Chiral Asymmetry from a 5D Higgs Mechanism

An intriguing feature of the Standard Model is that the representations of the unbroken gauge symmetries are vector-like whereas those of the spontaneously broken gauge symmetries are chiral. Here we provide a toy model which shows that a natural explanati ...

2007

Electroweak symmetry breaking after LEP1 and LEP2

Riccardo Rattazzi

In a generic "universal" theory of electroweak symmetry breaking, simple symmetry considerations and absence of tuning imply that heavy new physics affects the low-energy data through four parameters. These include and properly extend the generally insuffi ...

2004

Measurement of triple-gauge-boson couplings of the W boson at LEP

Qian Wang, Aurelio Bay, Horst Vogel, Eduardo Sanchez, Zhirui Xu, Werner Lustermann, Liang Sun, Jian Zhao, Anu Wadhwa, Ji Hyun Kim, Zheng Wang, Matthias Weber, Xiao Wang

The CP-conserving triple-gauge-boson couplings, g(1)(Z), kappa(gamma), lambda(gamma), g(5)(Z), kappa(Z) and lambda(Z) are measured using hadronic and semi-leptonic W-pair events selected in 629 pb(-1) of data collected at LEP with the L3 detector at centre ...

Elsevier2004

Gauge-Higgs unification in orbifold models

Claudio Scrucca, Andrea Wulzer

Six-dimensional orbifold models where the Higgs field is identified with some internal component of a gauge field are considered. We classify all possible T-2/Z(N) orbifold constructions based on a SU(3) electroweak gauge symmetry. Depending on the orbifol ...

2004

Anomalies, Fayet-Iliopoulos terms, and the consistency of orbifold field theories

Riccardo Rattazzi, Claudio Scrucca, Roberto Contino

We study the consistency of orbifold field theories and clarify to what extent the condition of having an anomaly-free spectrum of zero modes is sufficient to guarantee it. Preservation of gauge invariance at the quantum level is possible, although at the ...

2002