Constraints on the time scale of nuclear breakup from thermal hard-photon emission R. Ortega, D. d'Enterria, G. Martınez, D. Baiborodin, H. Delagrange, J. Dıaz, F. Fernández, H. Löhner, T. Matulewicz, R. W. Ostendorf et al. (7 more) Eur. Phys. J. A, 28 2 (2006) 161-171 Published online: 19 June 2006 DOI: 10.1140/epja/i2005-10277-9