skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: A neutron diagnostic for high current deuterium beams

Abstract

A neutron diagnostic for high current deuterium beams is proposed for installation on the spectral shear interferometry for direct electric field reconstruction (SPIDER, Source for Production of Ion of Deuterium Extracted from RF plasma) test beam facility. The proposed detection system is called Close-contact Neutron Emission Surface Mapping (CNESM). The diagnostic aims at providing the map of the neutron emission on the beam dump surface by placing a detector in close contact, right behind the dump. CNESM uses gas electron multiplier detectors equipped with a cathode that also serves as neutron-proton converter foil. The cathode is made of a thin polythene film and an aluminium film; it is designed for detection of neutrons of energy >2.2 MeV with an incidence angle < 45 deg. CNESM was designed on the basis of simulations of the different steps from the deuteron beam interaction with the beam dump to the neutron detection in the nGEM. Neutron scattering was simulated with the MCNPX code. CNESM on SPIDER is a first step towards the application of this diagnostic technique to the MITICA beam test facility, where it will be used to resolve the horizontal profile of the beam intensity.

Authors:
;  [1]; ; ; ;  [2]; ; ; ; ;  [3];  [4];  [1]
  1. CNISM, Dipartimento di Fisica, Universita degli Studi di Milano-Bicocca, Milano (Italy)
  2. Consorzio RFX - Associazione Euratom-Enea sulla Fusione, corso Stati Uniti 4, I-35127 Padova (Italy)
  3. Istituto di Fisica del Plasma, Associazione EURATOM-ENEA-CNR, Milano (Italy)
  4. INFN, Laboratori Nazionali di Frascati, Frascati Rome (Italy)
Publication Date:
OSTI Identifier:
22085916
Resource Type:
Journal Article
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 83; Journal Issue: 2; Conference: ICIS 2011: 14. international conference on ion sources, Giardini-Naxos, Sicily (Italy), 12-16 Sep 2011; Other Information: (c) 2012 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0034-6748
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ALUMINIUM; CATHODES; DEUTERON BEAMS; ELECTRIC FIELDS; ELECTRON MULTIPLIER DETECTORS; INCIDENCE ANGLE; INTERFEROMETRY; ION SOURCES; MAPPING; MEV RANGE; MONTE CARLO METHOD; NEUTRON DETECTION; NEUTRON DIFFRACTION; NEUTRON EMISSION; NEUTRON-PHOTON CONVERTERS; PLASMA; POLYETHYLENES; THIN FILMS

Citation Formats

Rebai, M, Perelli Cippo, E, Cavenago, M, Dalla Palma, M, Pasqualotto, R, Tollin, M, Croci, G, Gervasini, G, Ghezzi, F, Grosso, G, Tardocchi, M, Murtas, F, Gorini, G, and Istituto di Fisica del Plasma, Associazione EURATOM-ENEA-CNR, Milano. A neutron diagnostic for high current deuterium beams. United States: N. p., 2012. Web. doi:10.1063/1.3673013.
Rebai, M, Perelli Cippo, E, Cavenago, M, Dalla Palma, M, Pasqualotto, R, Tollin, M, Croci, G, Gervasini, G, Ghezzi, F, Grosso, G, Tardocchi, M, Murtas, F, Gorini, G, & Istituto di Fisica del Plasma, Associazione EURATOM-ENEA-CNR, Milano. A neutron diagnostic for high current deuterium beams. United States. https://doi.org/10.1063/1.3673013
Rebai, M, Perelli Cippo, E, Cavenago, M, Dalla Palma, M, Pasqualotto, R, Tollin, M, Croci, G, Gervasini, G, Ghezzi, F, Grosso, G, Tardocchi, M, Murtas, F, Gorini, G, and Istituto di Fisica del Plasma, Associazione EURATOM-ENEA-CNR, Milano. 2012. "A neutron diagnostic for high current deuterium beams". United States. https://doi.org/10.1063/1.3673013.
@article{osti_22085916,
title = {A neutron diagnostic for high current deuterium beams},
author = {Rebai, M and Perelli Cippo, E and Cavenago, M and Dalla Palma, M and Pasqualotto, R and Tollin, M and Croci, G and Gervasini, G and Ghezzi, F and Grosso, G and Tardocchi, M and Murtas, F and Gorini, G and Istituto di Fisica del Plasma, Associazione EURATOM-ENEA-CNR, Milano},
abstractNote = {A neutron diagnostic for high current deuterium beams is proposed for installation on the spectral shear interferometry for direct electric field reconstruction (SPIDER, Source for Production of Ion of Deuterium Extracted from RF plasma) test beam facility. The proposed detection system is called Close-contact Neutron Emission Surface Mapping (CNESM). The diagnostic aims at providing the map of the neutron emission on the beam dump surface by placing a detector in close contact, right behind the dump. CNESM uses gas electron multiplier detectors equipped with a cathode that also serves as neutron-proton converter foil. The cathode is made of a thin polythene film and an aluminium film; it is designed for detection of neutrons of energy >2.2 MeV with an incidence angle < 45 deg. CNESM was designed on the basis of simulations of the different steps from the deuteron beam interaction with the beam dump to the neutron detection in the nGEM. Neutron scattering was simulated with the MCNPX code. CNESM on SPIDER is a first step towards the application of this diagnostic technique to the MITICA beam test facility, where it will be used to resolve the horizontal profile of the beam intensity.},
doi = {10.1063/1.3673013},
url = {https://www.osti.gov/biblio/22085916}, journal = {Review of Scientific Instruments},
issn = {0034-6748},
number = 2,
volume = 83,
place = {United States},
year = {Wed Feb 15 00:00:00 EST 2012},
month = {Wed Feb 15 00:00:00 EST 2012}
}