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Title: Does neutrino flavor conversion change supernova explosion outcomes?
Plain: Neutrinos come in three types (flavors) and, in the dense core, they can switch type collectively, which may change how much energy they deposit behind the shock.
Precise: In the neutrino-decoupling region, neutrino-neutrino forward scattering drives fast flavor instabilities wherever the electron-lepton-number angular distribution has a crossing. Determine whether including flavor conversion self-consistently in multi-dimensional simulations changes shock-revival time, explosion energy or ejecta electron fraction by more than $\sim 10$ percent. Answer: yes or no with quantified effects for representative progenitors.
Settled by: Multi-dimensional simulations with validated subgrid or direct flavor-evolution schemes, compared with runs without conversion.
Kind: well-posed
Answer type: yes-no
References: (empty)
Literature status: open
Status note: (empty)
Posed since: (empty)