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Paolo Lodone

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Publications associées (6)

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Threshold corrections to hard supersymmetric relations

Paolo Lodone

We compute the one-loop threshold corrections to hard supersymmetric relations involving gauge and gaugino couplings for the case of a Split-SUSY-like spectrum with moderate splitting. We show that these contributions are small, however in principle they w ...

World Scientific Publ Co Pte Ltd2014

Selection rules for helicity amplitudes in massive gauge theories

Paolo Lodone

After a rediscussion of the vanishing theorems for helicity amplitudes in unbroken gauge theories, we study the case of spontaneously broken gauge theories at high energy. The vanishing theorems generalize to a definite pattern of m/E suppression of the am ...

Amer Physical Soc2013

A naturally light dilaton

Riccardo Rattazzi, Duccio Pappadopulo, Paolo Lodone, Lorenzo Vitale

Goldstone's theorem does not apply straightforwardly to the case of spontaneously broken scale invariance. We elucidate under what conditions a light scalar degree of freedom, identifiable with the dilaton, can naturally arise. Our construction can be cons ...

Springer2013

On Partial Compositeness and the CP asymmetry in charm decays

Riccardo Rattazzi, Duccio Pappadopulo, Luca Vecchi, Paolo Lodone, Boaz Keren Zur

Recently, the LHCb and CDF Collaborations reported the measure of an unexpectedly large direct CP asymmetry in D meson decays. In this paper we ask if new physics associated with Partial Compositeness could plausibly explain this result. We find that Compo ...

Elsevier Science Bv2013

SUPERSYMMETRY PHENOMENOLOGY BEYOND THE MSSM AFTER 5/fb OF LHC DATA

Paolo Lodone

We briefly review the status of motivated beyond-the-MSSM phenomenology in the light of the LHC searches to date. In particular, we discuss the conceptual consequences of the exclusion bounds, of the hint for a Higgs boson at about 125 GeV, and of interpre ...

2012

A non standard supersymmetric spectrum

Enrico Bertuzzo, Duccio Pappadopulo, Paolo Lodone

Taking a bottom-up point of view and focussing on the lack of signals so far in the Higgs and in the flavour sectors, we argue in favour of giving consideration to supersymmetric extensions of the Standard Model where the lightest Higgs boson has a mass be ...

2010