Table 2: Leading processes of fast neutrino emission in nucleon matter and three models of exotic matter.
Model Process $Q_{\rm f}$, erg cm $^{-3 \rule{0cm}{0.2cm}}$ s-1
Nucleon matter ${\rm n \to p e \bar{\nu} \quad
p e \to n \nu }$ $\quad
10^{26 \rule{0cm}{0.2cm}}{-}10^{27}$
Pion condensate ${\rm q \to q e \bar{\nu} \quad
q e \to q {\nu} } $ $ \quad
10^{23 \rule{0cm}{0.2cm}}{-}10^{26}$
Kaon condensate ${\rm q \to q e \bar{\nu} \quad
q e \to q {\nu} } $ $ \quad
10^{23 \rule{0cm}{0.2cm}}{-}10^{24}$
Quark matter ${\rm d \to u e \bar{\nu} \quad u e \to d \nu } $ $ \quad
10^{23 \rule{0cm}{0.2cm}}{-}10^{24}$


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