Dynamics of liquid para-hydrogen: a low-Q determination of its double differential cross section
We propose to investigate the collective dynamics of liquid para-H2 at T = 16 K i.e. close to the triple point. These measurements are mainly suggested by the present need of achieving much more accurate determinations of the dynamic response to neutrons of several crucial materials in reactor-industry and neutron production facilities. Cryogenic liquids still miss a quantitative assessment of the coherent scattering properties in the low-Q neutron range. The quantum nature of the hydrogen liquids (H2, D2) further suggests detailed experimental investigations of the total (inter and intra-molecular) dynamics, yet out of reach of simulation or modeling capabilities as soon as the classical approximation becomes inapplicable, and in the presence of existing pioneering data which, unfortunately, do not match the accuracy required nowadays
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GUARINI Eleonora; BAFILE Ubaldo; CALZAVARA Yoann; CELLI Milva; COLOGNESI Daniele; DE FRANCESCO Alessio; FARHI Emmanuel; FORMISANO Ferdinando; LALONI Alessio and ROMANKOV Vladyslav. (2016). Dynamics of liquid para-hydrogen: a low-Q determination of its double differential cross section. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.6-02-551
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