11-13 November 2020
Online Event
Australia/Sydney timezone

Potential spectrometers for the hot neutron source at ACNS

11 Nov 2020, 16:30
20m
Online Event

Online Event

Oral Neutron Instruments & Techniques Neutron Instruments & Techniques

Speaker

Anton Stampfl (Australian Nuclear Science and Technology Organisation)

Description

The ACNS has a number of spectrometers that are successfully operated in the cold and thermal neutron regime. Interestingly the OPAL reactor is also designed with a position available for a hot source in the reflector vessel, and with two beam-ports available, HB1 and HB2, to deliver hot neutrons. A wide range of studies that will be achievable due to the larger range covered in Q−ω space if the hot source is built are highlighted. These studies range from basic sciences, involving magnetism and superconductivity, crystal fields, molecular studies, high pressure studies etc., to applied work involving, for example, energy and electronic materials, and catalytic processes. An energy transfer range from 5 meV to 500 meV and above, and a momentum transfer range from 0.5 1/Å to 30 1/Å is indeed possible given the type of instrument designed. Here two types of filter spectrometers are discussed as potential candidates along with a novel type of time of flight spectrometer design that may allow fluxes to be obtained comparable to similar spectrometers on spallation neutron sources.

Speakers Gender Male
Level of Expertise Expert

Primary authors

Anton Stampfl (Australian Nuclear Science and Technology Organisation) Prof. John Stride (UNSW)

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