HAL : in2p3-00280846, version 1
 arXiv : 0805.2634
 Nuclear Instruments and Methods in Physics Research Research: Accelerators, Spectrometers, Detectors and Associated Equipment 595 (2008) 631-636
 The reflection of very cold neutrons from diamond powder nanoparticles
 (2008)
 We study possibility of efficient reflection of very cold neutrons (VCN) from powders of nanoparticles. In particular, we measured the scattering of VCN at a powder of diamond nanoparticles as a function of powder sample thickness, neutron velocity and scattering angle. We observed extremely intense scattering of VCN even off thin powder samples. This agrees qualitatively with the model of independent nanoparticles at rest. We show that this intense scattering would allow us to use nanoparticle powders very efficiently as the very first reflectors for neutrons with energies within a complete VCN range up to $10^{-4}$ eV.
 Thème(s) : Physique/Physique Nucléaire Expérimentale
 Lien vers le texte intégral : http://fr.arXiv.org/abs/0805.2634
 in2p3-00280846, version 1 http://hal.in2p3.fr/in2p3-00280846 oai:hal.in2p3.fr:in2p3-00280846 Contributeur : Emmanuelle Vernay <> Soumis le : Mardi 20 Mai 2008, 08:39:20 Dernière modification le : Mercredi 17 Décembre 2008, 10:24:08