Self-driven ion deflectometry measurements using MeV fusion-driven protons and accelerated deuterons in the deuterated hybrid x-pinch on the MAIZE LTD generator

Abstract We report on the results of point-projection ion deflectometry measurements from a mid-size university z-pinch experiment. A 1 MA 8 kJ LTD generator at the University of Michigan (called MAIZE) drove a hybrid x-pinch (HXP) with a deuterated polyethylene fiber load to produce a point-like so...

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Published inPlasma physics and controlled fusion Vol. 66; no. 7
Main Authors Munzar, Vojtech, Dowhan, George, Klir, Daniel, Novotny, Jan, Rezac, Karel, Chen, Joe, Cikhardt, Jakub, Cikhardtova, Balzima, Juras, Vojtech, Jordan, Nicholas, Kubes, Pavel, Malir, Jakub, Tafoya, Landon, Turek, Karel, McBride, Ryan
Format Journal Article
LanguageEnglish
Published United Kingdom IOP Publishing 11.06.2024
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Summary:Abstract We report on the results of point-projection ion deflectometry measurements from a mid-size university z-pinch experiment. A 1 MA 8 kJ LTD generator at the University of Michigan (called MAIZE) drove a hybrid x-pinch (HXP) with a deuterated polyethylene fiber load to produce a point-like source of MeV ions for backlighting. In these experiments, 2.7 MeV protons were generated by DD beam-target fusion reactions. Due to the kinematics of beam-target fusion, the proton energies were down-shifted from the more standard 3.02 MeV proton energy that is released from the center-of-mass rest frame of a DD reaction. In addition to the 2.7 MeV protons, strongly anisotropic beams of 3 MeV accelerated deuterons were detected by ion diagnostics placed at a radial distance of 90 mm from the x-pinch. Numerical reconstruction of experimental data generated by deflected hydrogen ion trajectories evaluated the total current in the vacuum load region. Numerical ion-tracking simulations show that accelerated deuteron beams exited the ion source region at large angles with respect to the pinch current direction.
Bibliography:NA0004148; SC0020239
USDOE National Nuclear Security Administration (NNSA)
ISSN:0741-3335
1361-6587