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Showing 2016 · hep-phShow all

15 papers · 2 filters

hep-ph2016★ 110 cited

, Lepton Flavour Violation and Decays with Leptoquarks: Correlations and Future Prospects

Estefania Coluccio Leskow, Andreas Crivellin, Giancarlo D'Ambrosio +1

The long-standing anomaly in the anomalous magnetic moment of the muon indicates the presence of chirality violating new physics contributions. A possible solution involves scalar…

hep-ph2016★ 1 cited

Tensions in the flavour sector

Giulia Ricciardi

Flavour physics is currently well described by the Standard Model except for some measurements which could be signalling new physics. We briefly summarize the status of tensions in…

hep-ph2016★ 32 cited

Probing lepton flavour (universality) violation at NA62 and future kaon experiments

Lewis C. Tunstall, Andreas Crivellin, Giancarlo D'Ambrosio +1

Recent results from the LHC's first run have revealed intriguing departures from lepton flavour universality in the semi-leptonic decays of -mesons. We discuss the complementary…

hep-ph2016★ 36 cited

Dark Matter interpretation of low energy IceCube MESE excess

M. Chianese, G. Miele, S. Morisi

The 2-years MESE IceCube events show a slightly excess in the energy range 10-100 TeV with a maximum local statistical significance of 2.3, once a hard astrophysical power-law i…

hep-ph2016★ 18 cited

Semileptonic and leptonic decays, circa 2016

Giulia Ricciardi

We summarize the status of semileptonic and leptonic decays, including and exclusive and inclusive determinations, decays to excited states of the charm m…

hep-ph2016★ 2 cited

On the decays

Pietro Santorelli

A set of exclusive decays of the Higgs boson into a vector meson and a dilepton pair (, with , and ) are studied in the framework of th…

hep-ph2016★ 51 cited

Four-quark structure of Zc(3900), Z(4430) and Xb(5568) states

Fabian Goerke, Thomas Gutsche, Mikhail A. Ivanov +3

We examine the four-quark structure of the recently discovered charged , , and states. We calculate the widths of the strong decays $Z_c^+ \to J/ψπ^…

hep-ph2016★ 40 cited

A Consistent Theory of Decaying Dark Matter Connecting IceCube to the Sesame Street

Marco Chianese, Alexander Merle

The high energy events observed at the IceCube Neutrino Observatory have triggered many investigations interpreting the highly energetic neutrinos detected as decay products of hea…

hep-ph2016★ 3 cited

IceCube PeV Neutrinos and Leptophilic Dark Matter

Marco Chianese

We analyze the scenario where the IceCube high energy neutrino events are explained in terms of an extraterrestrial flux due to two different components: a contribution coming from…

hep-ph2016★ 10 cited

form factor in the Large-N and cut-off regularization method

E. Coluccio Leskow, G. D'Ambrosio, D. Greynat +1

Bardeen-Buras-Gérard have proposed a large N method to evaluate hadronic weak matrix elements to attack for instance the determination of the -rule and $\mathr…

hep-ph2016★ 384 cited

A White Paper on keV Sterile Neutrino Dark Matter

R. Adhikari, M. Agostini, N. Anh Ky +133

We present a comprehensive review of keV-scale sterile neutrino Dark Matter, collecting views and insights from all disciplines involved - cosmology, astrophysics, nuclear, and par…

hep-ph2016★ 7 cited

On Exclusive Decays

Pietro Colangelo, Fulvia De Fazio, Pietro Santorelli

We study a set of exclusive decay modes of the Standard Model Higgs boson into a vector meson and a dilepton pair: , with , and , deter…

hep-ph2016★ 4 cited

Constraints on dark matter annihilation to fermions and a photon

Debtosh Chowdhury, Abhishek M. Iyer, Ranjan Laha

We consider Majorana dark matter annihilation to fermion - anti-fermion pair and a photon in the effective field theory paradigm, by introducing dimension 6 and dimension 8 operato…

hep-ph2016★ 52 cited

Low energy IceCube data and a possible Dark Matter related excess

Marco Chianese, Gennaro Miele, Stefano Morisi +1

In this Letter we focus our attention on the IceCube events in the energy range between 60 and 100 TeV, which show an order 2-sigma excess with respect to a power-law with spectral…

hep-ph2016★ 90 cited

Lepton flavor (universality) violation in rare kaon decays

Andreas Crivellin, Giancarlo D'Ambrosio, Martin Hoferichter +1

Recent anomalies in the decays of mesons and the Higgs boson provide hints towards lepton flavor (universality) violating physics beyond the Standard Model. We observe that fou…