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81 papers · 2 filters
Naturalness in Type II seesaw model and implications for physical scalars
Mohamed Chabab, Michel Capdequi-Peyranère, Larbi Rahili
In this paper we consider a minimal extension to the standard model by a scalar triplet field with hypercharge . This model relies on the seesaw mechanism which provides a con…
Single pion contribution to the hyperfine splitting in muonic hydrogen
Nguyen Thu Huong, Emi Kou, Bachir Moussallam
A detailed discussion of the long-range one-pion exchange (Yukawa potential) contribution to the 2S hyperfine splitting in muonic hydrogen which had, until recently, been disregard…
Antiproton--proton annihilation into pion pairs within effective meson theory
Ying Wang, Yury M. Bystritskiy, Egle Tomasi-Gustafsson
Antiproton--proton annihilation into light mesons is revisited in the few GeV energy domain, in view of a global description of the existing data. An effective meson model is devel…
Disentangling Shadowing from Coherent Energy Loss using the Drell-Yan Process
François Arleo, Stéphane Peigné
We suggest the measurement of Drell-Yan (DY) lepton pairs in p-Pb collisions at the LHC (sqrt(s)=5.02 TeV) in order to disentangle the relative contributions of shadowing and coher…
Singlets in Composite Higgs Models in light of the LHC di-photon searches
Alexander Belyaev, Giacomo Cacciapaglia, Haiying Cai +3
Models of compositeness can successfully address the origin of the Higgs boson, as a pseudo Nambu Goldstone boson (pNGB) of a spontaneously broken global symmetry, and flavour phys…
One jet to rule them all: monojet constraints and invisible decays of a 750 GeV diphoton resonance
Daniele Barducci, Andreas Goudelis, Suchita Kulkarni +1
The ATLAS and CMS collaborations recently reported a mild excess in the diphoton final state pointing to a resonance with a mass of around 750 GeV and a potentially large width. We…