A neutron camera for ITER (invited)

F.B. Marcus, O.N. Jarvis, M. Loughlin, G. Sadler, P. Stott, J.M. Adams, D.S. Bond, N.P. Hawkes, N. Watkins, P. Batistoni, M. Rapisarda, T. Elevant, L. Johnson, L. De Kock, C. Walker

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Based upon JET experience, the measurement of multichannel collimated neutron fluxes and of the neutron spectrum gives time-dependent information on spatial profiles of neutron emission and alpha-particle birth, the total neutron emission (fuel burn-up rate), plasma position, effects of plasma instabilities, triton burn-up, ion temperature, and fuel densities. The design for a horizontally viewing neutron camera for ITER is based upon the prototype and upgrade versions of the JET neutron emission profile monitor and the JET spectrometers. It is proposed that vertically stacked modules are installed in the ITER biological shield in a fan shaped viewing geometry, aimed at a focal point located at the slit opening of a preshield designed to reduce the streaming neutron flux. Each module contains a pair of sight lines with adjustable collimation, allowing for multiple detector neutron flux monitoring and neutron spectroscopy over a wide operating range. The modular system allows flexibility in detector choice and viewing geometry. © 1997 American Institute of Physics.
Original languageEnglish
Pages (from-to)514 - 519
Number of pages6
JournalReview of Scientific Instruments
Volume68
Issue number1
DOIs
Publication statusPublished - 1997
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Instrumentation

Cite this

Marcus, F. B., Jarvis, O. N., Loughlin, M., Sadler, G., Stott, P., Adams, J. M., ... Walker, C. (1997). A neutron camera for ITER (invited). Review of Scientific Instruments, 68(1), 514 - 519. https://doi.org/10.1063/1.1147619