Quantifying Fusion Born Ion Populations in Magnetically Confined Plasmas using Ion Cyclotron Emission

35Citations
Citations of this article
19Readers
Mendeley users who have this article in their library.

Abstract

Ion cyclotron emission (ICE) offers a unique promise as a diagnostic of the fusion born alpha-particle population in magnetically confined plasmas. Pioneering observations from JET and TFTR found that ICE intensity PICE scales approximately linearly with the measured neutron flux from fusion reactions, and with the inferred concentration, nα/ni, of fusion born alpha particles confined within the plasma. We present fully nonlinear self-consistent kinetic simulations that reproduce this scaling for the first time. This resolves a long-standing question in the physics of fusion alpha-particle confinement and stability in magnetic confinement fusion plasmas. It confirms the magnetoacoustic cyclotron instability as the likely emission mechanism and greatly strengthens the basis for diagnostic exploitation of ICE in future burning plasmas.

Cite

CITATION STYLE

APA

Carbajal, L., Dendy, R. O., Chapman, S. C., & Cook, J. W. S. (2017). Quantifying Fusion Born Ion Populations in Magnetically Confined Plasmas using Ion Cyclotron Emission. Physical Review Letters, 118(10). https://doi.org/10.1103/PhysRevLett.118.105001

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free