Théorie

Deux membres de l'APC publient un article dans la revue Physics Letters B présentant la toute première analyse de likelihood des 24 évènements neutrinos de la SN1987A, incluant la désintégration non-radiative des neutrinos.
 

Neutron star physics, neutron star mergers, near-extremal black holes and effective theories near absolute zero.

This project involves using techniques from the AdS/CFT correspondence (known also as holography) to understand


(a) The non-trivial phases in the QCD phase diagram, involving non zero baryon number density as well as non-zero isospin density.


(b) The statics and dynamics in non-trivial phases relevant for neutron stars, where very low temperatures are relevant.


MULTI-MESSENGER ASTRONOMY AT THE HIGHEST ENERGY FRONTIER

The discovery of astrophysical neutrino signal by IceCube neutrino telescope has extended the energy frontier of astronomy into Peta-electronvolt energy range. The nature of astronomical sources  is currently uncertain. A breakthrough toward understanding of the nature of these sources can be achieved via detection of the gamma-ray counterpart of the astrophysical neutrino signal. Gamma-ray signal at 100 TeV is now detectable by the HAWC, Tibet and LHAASO telescopes. Further powerful observational facilities, like CTA and SWGO telescopes are under construction or planned.

NUMERICAL MODEL OF THE MULTI-MESSENGER SIGNAL FROM THE MILKY WAY GALAXY AT PEV ENERGY

Astronomical observations through the new 100 TeV gamma-ray observational window by HAWC, Tibet  and LHAASO air shower arrays, and, in the near future, by the Cherenkov Telescope Array CTA open a range of completely new possibilities for the study of highest energy galactic cosmic ray sources. These sources, dubbed "PeVatrons" (yet to be identified) produce particles with energies in excess of Peta-electronVolt, three orders of magnitude higher than those attained in the most powerful human-made accelerator LHC.

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