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7 papers · 2 filters
Lepton flavour violation in The Little Higgs model
S. Rai Choudhury, A. S. Cornell, A. Deandrea +2
Little Higgs models with T-parity have a new source of lepton flavour violation. In this paper we consider the anomalous magnetic moment of the muon \gmtwo and the lepton flavour v…
How to preserve symmetries with cut-off regularized integrals?
T. Varin, D. Davesne, M. Oertel +1
We present a prescription to calculate the quadratic and logarithmic divergent parts of several integrals employing a cutoff in a coherent way, i.e. in total agreement with symmetr…
The K^*_0(800) scalar resonance from Roy-Steiner representations of pi K scattering
S. Descotes-Genon, B. Moussallam
We discuss the existence of the light scalar meson K^*_0(800) (also called kappa) in a rigorous way, by showing the presence of a pole in the pi K --> pi K amplitude on the second…
Energy and decay width of the pi-K atom
H. Jallouli, H. Sazdjian
The energy and decay width of the pi-K atom are evaluated in the framework of the quasipotential-constraint theory approach. The main electromagnetic and isospin symmetry breaking…
Topical Review on "Beta-beams"
Cristina Volpe
Neutrino physics is traversing an exciting period, after the important discovery that neutrinos are massive particles, that has implications from high-energy physics to cosmology.…
Tests of the naturalness of the coupling constants in ChPT at order p^6
Karol Kampf, Bachir Moussallam
We derive constraints on combinations of O(p^6) chiral coupling constants by matching a recent two-loop calculation of the pi-K scattering amplitude with a set of sum rules. We exa…