Author/Authors :
Magلn، نويسنده , , M. and Sordo، نويسنده , , F. and Zanini، نويسنده , , L. and Terrَn، نويسنده , , S. and Ghiglino، نويسنده , , A. and Martيnez، نويسنده , , F. and de Vicente، نويسنده , , J.P. and Vivanco، نويسنده , , R. and Perlado، نويسنده , , J.M. and Bermejo، نويسنده , , F.J. and Mezei، نويسنده , , F. and Muhrer، نويسنده , , G.، نويسنده ,
Abstract :
This paper reports on design studies concerning a moderator concept which aims to maximize the time averaged flux. The idea is to provide neutron spectra showing two clear maxima, with peaks at ( ∼ 1 Å ) and ( ∼ 2.5 Å ) arising from leakage from both cryogenic and thermal moderators. Such a concept known as a bi-spectral moderator (Mezei, 2006 [1]) while proven on a reactor source has only been examined for the ESS 2003 proposal. Filges et al. (2003 [2]), which featured a different design than the current ESS. This paper thus reports on a baseline design for such a moderator concept and shows that it can provide substantial gains in count rates for those applications not requiring high resolution in time-of-flight.
