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26 papers · 2 filters
Polyakov loop in chiral quark models at finite temperature
E. Megias, E. Ruiz Arriola, L. L. Salcedo
We describe how the inclusion of the gluonic Polyakov loop incorporates large gauge invariance and drastically modifies finite temperature calculations in chiral quark models after…
Radiative Ke3 decays revisited
J. Gasser, B. Kubis, N. Paver +1
Motivated by recent experimental results and ongoing measurements, we review the chiral perturbation theory prediction for radiative Ke3 decays (neutral kaons). Special emphasis is…
Chiral Lagrangians at finite temperature and the Polyakov Loop
E. Megias, E. Ruiz Arriola, L. L. Salcedo
Heat kernel expansions at finite temperature of massless QCD and chiral quark models generate effective actions relevant for both low and high temperature QCD. The key relevance of…
Extraction of m_s and |V_us| from Hadronic Tau Decays
Elvira Gamiz, Matthias Jamin, Antonio Pich +2
We review recent work to determine the strange quark mass m_s as well as the proposal to determine |V_{us}| using hadronic tau decay data. The recent update of the strange spectral…
Beyond the Standard Model Higgs Boson self-couplings at the LHC
M. Moretti, S. Moretti, F. Piccinini +2
A study of two-Higgs-doublet models (2HDM) in the decoupling limit reveals the existence of parameter configurations with a large triple-Higgs self-coupling as the only low-energy…
Sneutrino Hybrid Inflation in Supergravity
Stefan Antusch, Mar Bastero-Gil, Steve F. King +1
We propose a hybrid inflation scenario in which the singlet sneutrino, the superpartner of the right-handed neutrino, plays the role of the inflaton. We study a minimal model of sn…