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Neutrino Signal of Electron-Capture Supernovae from Core Collapse to Cooling
L. Huedepohl, B. Mueller, H. -Th. Janka +2
An 8.8 solar mass electron-capture supernova (SN) was simulated in spherical symmetry consistently from collapse through explosion to nearly complete deleptonization of the forming…
Cosmological axion bounds
Steen Hannestad, Jan Hamann, Alessandro Mirizzi +2
We discuss current cosmological constraints on axions, as well as future sensitivities. Bounds on axion hot dark matter are discussed first, and subsequently we discuss both curren…
Reconstructing the supernova bounce time with neutrinos in IceCube
Francis Halzen, Georg G. Raffelt
Generic model predictions for the early neutrino signal of a core-collapse supernova (SN) imply that IceCube can reconstruct the bounce to within about +/- 3.5 ms at 95% CL (assume…
Flavour-dependent radiative correction to neutrino-neutrino refraction
Alessandro Mirizzi, Stefano Pozzorini, Georg G. Raffelt +1
In the framework of the Standard Model we calculate the flavour non-universal correction for neutrino refraction in a neutrino background and verify a similar previous result for t…
Search for 14.4 keV solar axions emitted in the M1-transition of 57Fe nuclei with CAST
CAST Collaboration, S. Andriamonje, S. Aune +58
We have searched for 14.4 keV solar axions or more general axion-like particles (ALPs), that may be emitted in the M1 nuclear transition of 57Fe, by using the axion-to-photon conve…
Multiple Spectral Splits of Supernova Neutrinos
Basudeb Dasgupta, Amol Dighe, Georg G. Raffelt +1
Collective oscillations of supernova neutrinos swap the electron neutrino and antineutrino spectra with those of another flavor in certain energy intervals bounded by sharp spectra…