Spin-spectral-weight distribution and energy range of the parent compound La2CuO4 M. A. N. Araújo, J. M. P. Carmelo, M. J. Sampaio and S. R. White EPL, 98 6 (2012) 67004 Published online: 25 June 2012 DOI: 10.1209/0295-5075/98/67004