Monte Carlo modelling of a high resolution diffractometer using statistical time modulation to exploit the long pulse structure at the ICONE HiCANS - CEA - Commissariat à l’énergie atomique et aux énergies alternatives Accéder directement au contenu
Communication Dans Un Congrès Année : 2023

Monte Carlo modelling of a high resolution diffractometer using statistical time modulation to exploit the long pulse structure at the ICONE HiCANS

Résumé

Low energy accelerator-driven neutron sources are intrinsically limited by the peak flux they can provide. A way to increase the total brilliance of the source is to increase the neutron pulse length. However, the efficient use of time-of-flight techniques on long pulse sources is non trivial. ESS is building long instruments (up to 150 m) to be able to fully exploit the long pulse structure. Such a solution cannot be reasonably implemented on CANS or HiCANS, essentially for cost reasons. We are thus investigating the possibilities of implementing statistical time modulation on a diffraction instrument to be able to use very long pulse structures. We will present Monte-Carlo simulations using statistical time modulation and propose the design of a high-resolution powder diffractometer, which could be installed on the long pulse target station of the ICONE HiCANS source.
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Dates et versions

cea-04287483 , version 1 (15-11-2023)

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Paternité - Pas d'utilisation commerciale

Identifiants

  • HAL Id : cea-04287483 , version 1

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Frédéric Ott. Monte Carlo modelling of a high resolution diffractometer using statistical time modulation to exploit the long pulse structure at the ICONE HiCANS. UCANS 10 - 10th International Meeting of the Union for Compact Accelerator-driven Neutron Sources, Mirrotron, Oct 2023, Budapest, Hungary. ⟨cea-04287483⟩
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