A neutron recoil-spectrometer for measuring yield and determining liner areal densities at the Z facility | Zendy

B. Lahmann | Zendy; M. Gatu Johnson | Zendy; Kelly Hahn | Zendy; J. A. Frenje | Zendy; D. J. Ampleford | Zendy; B. Jones | Zendy; Michael Mangan | Zendy; A. Maurer | Zendy; C. L. Ruiz | Zendy; F. H. Séguin | Zendy; R. D. Petrasso | Zendy

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A neutron recoil-spectrometer for measuring yield and determining liner areal densities at the Z facility

Author(s) -

B. Lahmann,

M. Gatu Johnson,

Kelly Hahn,

J. A. Frenje,

D. J. Ampleford,

B. Jones,

Michael Mangan,

A. Maurer,

C. L. Ruiz,

F. H. Séguin,

R. D. Petrasso

Publication year - 2020

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/5.0011499

Subject(s) - spectrometer , recoil , neutron , nuclear physics , electromagnetic shielding , physics , signal (programming language) , shielded cable , optics , computational physics , nuclear engineering , computer science , telecommunications , quantum mechanics , programming language , engineering

A proof-of-principle CR-39 based neutron-recoil-spectrometer was built and fielded on the Z facility. Data from this experiment match indium activation yields within a factor of 2 using simplified instrument response function models. The data also demonstrate the need for neutron shielding in order to infer liner areal densities. A new shielded design has been developed. The spectrometer is expected to achieve signal-to-background greater than 2 for the down-scattered neutron signal and greater than 30 for the primary signal.

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