The neutrino signal from protoneutron star accretion and black hole formation T. Fischer, S. C. Whitehouse, A. Mezzacappa, F.-K. Thielemann and M. Liebendörfer A&A, 499 1 (2009) 1-15 Published online: 25 March 2009 DOI: 10.1051/0004-6361/200811055