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Title: Note: Coincidence measurements of 3He and neutrons from a compact D-D neutron generator

Abstract

Tagging of neutrons (2.45 MeV) with their associated 3He particles from deuterium-deuterium (D-D) fusion reactions has been demonstrated in a compact neutron generator setup enabled by a high brightness, microwave-driven ion source with a high fraction of deuterons. Energy spectra with well separated peaks of the D-D fusion reaction products, 3He, tritons, and protons, were measured with a silicon PIN diode. The neutrons were detected using a liquid scintillator detector with pulse shape discrimination. In this work, by correlating the 3He detection events with the neutron detection in time, we demonstrated the tagging of emitted neutrons with 3He particles detected with a Si PIN diode detector mounted inside the neutron generator vacuum vessel.

Authors:
 [1]; ORCiD logo [1];  [1];  [1];  [1];  [1]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1530285
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 88; Journal Issue: 5; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY

Citation Formats

Ji, Q., Lin, C. -J., Tindall, C., Garcia-Sciveres, M., Schenkel, T., and Ludewigt, B. A. Note: Coincidence measurements of 3He and neutrons from a compact D-D neutron generator. United States: N. p., 2017. Web. doi:10.1063/1.4981896.
Ji, Q., Lin, C. -J., Tindall, C., Garcia-Sciveres, M., Schenkel, T., & Ludewigt, B. A. Note: Coincidence measurements of 3He and neutrons from a compact D-D neutron generator. United States. doi:10.1063/1.4981896.
Ji, Q., Lin, C. -J., Tindall, C., Garcia-Sciveres, M., Schenkel, T., and Ludewigt, B. A. Wed . "Note: Coincidence measurements of 3He and neutrons from a compact D-D neutron generator". United States. doi:10.1063/1.4981896. https://www.osti.gov/servlets/purl/1530285.
@article{osti_1530285,
title = {Note: Coincidence measurements of 3He and neutrons from a compact D-D neutron generator},
author = {Ji, Q. and Lin, C. -J. and Tindall, C. and Garcia-Sciveres, M. and Schenkel, T. and Ludewigt, B. A.},
abstractNote = {Tagging of neutrons (2.45 MeV) with their associated 3He particles from deuterium-deuterium (D-D) fusion reactions has been demonstrated in a compact neutron generator setup enabled by a high brightness, microwave-driven ion source with a high fraction of deuterons. Energy spectra with well separated peaks of the D-D fusion reaction products, 3He, tritons, and protons, were measured with a silicon PIN diode. The neutrons were detected using a liquid scintillator detector with pulse shape discrimination. In this work, by correlating the 3He detection events with the neutron detection in time, we demonstrated the tagging of emitted neutrons with 3He particles detected with a Si PIN diode detector mounted inside the neutron generator vacuum vessel.},
doi = {10.1063/1.4981896},
journal = {Review of Scientific Instruments},
number = 5,
volume = 88,
place = {United States},
year = {2017},
month = {5}
}

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Figures / Tables:

Figure 1 Figure 1: (a) Schematic drawing of 3He tagging experimental setup; and (b) photograph of the experimental setup. The distance from the target to the PIN diode was 21 cm.

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