Adiabaticity and spectral splits in collective neutrino transformations
نویسندگان
چکیده
منابع مشابه
Neutrino mass hierarchy and three-flavor spectral splits of supernova neutrinos
Basudeb Dasgupta, Alessandro Mirizzi, Irene Tamborra, 3, 4 and Ricard Tomàs Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), Föhringer Ring 6, 80805 München, Germany II Institut für Theoretische Physik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany Dipartimento Interateneo di Fisica “Michelangelo Merlin”, Via Amendola 173, 70126 Bari, Italy INFN, Sezione di Bari,...
متن کاملSupernova neutrino oscillations: adiabaticity improvement by Majoron fields
If the lepton numbers are associated to global symmetries spontaneously broken at a scale below 1 TeV, neutrino oscillations in Supernovae produce classic Majoron fields that perturb the neutrino propagation itself and may change the oscillation patterns in the periods of largest ν fluxes. The impact of the Majoron fields on the same transitions as νe → νX that presumably occur in the Sun is st...
متن کاملMultiple spectral splits of supernova neutrinos.
Collective oscillations of supernova neutrinos swap the spectra f(nu(e))(E) and f(nu[over ](e))(E) with those of another flavor in certain energy intervals bounded by sharp spectral splits. This phenomenon is far more general than previously appreciated: typically one finds one or more swaps and accompanying splits in the nu and nu[over ] channels for both inverted and normal neutrino mass hier...
متن کاملSymmetries in collective neutrino oscillations
We discuss the relationship between a symmetry in the neutrino flavour evolution equations and neutrino flavour oscillations in the collective precession mode. This collective precession mode can give rise to spectral swaps (splits) when conditions can be approximated as homogeneous and isotropic. Multi-angle numerical simulations of supernova neutrino flavour transformation show that when this...
متن کاملSplitting and focusing of neutrino collective states
It is shown that the collective nonlinear interactions between intense neutrino or anti-neutrino fluxes and a dense neutrino plasma are governed by a multidimensional coupled cubic Schrödinger equation in which the interaction potential is positive or negative depending on the neutrino type. The cubic Schrödinger equation describes the splitting and focusing of intense neutrino beams due to the...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review D
سال: 2007
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.76.125008