Analysis of neutron related background of the SXR GEM diagnostic on MAST-U
Abstract Soft X-Ray (SXR) diagnostics are crucial in magnetically confined nuclear fusion experiments for studying plasma behavior, such as magneto-hydrodynamic (MHD) instabilities and impurity dynamics. Gas Electron Multiplier (GEM) detectors offer a valuable approach for SXR detection, given their radiation hardness and unique combination of high-rate imaging and spectroscopic capabilities. This study investigates the impact of high neutron rate on the GEM detector spectroscopic response in the MAST-U spherical tokamak. A sample energy spectrum obtained from the GEM diagnostic is compared with Geant4 simulations of both SXR and neutron sources to characterize background effects and study the detector response.
Authors
- F. Caruggi (ORCID: https://orcid.org/0000-0002-5480-1327)
- A. Muraro (ORCID: https://orcid.org/0000-0002-4570-4576)
- S. Cancelli (ORCID: https://orcid.org/0000-0001-9401-0485)
- R. Scannell (ORCID: https://orcid.org/0000-0002-4064-0817)
- F. Guiotto (ORCID: https://orcid.org/0000-0001-6014-918X)
- G. Croci (ORCID: https://orcid.org/0000-0001-9720-7232)
- A. Celora (ORCID: https://orcid.org/0009-0006-0160-2195)
- R. Sarwar
- O. Putignano (ORCID: https://orcid.org/0000-0002-4215-218X)
- F. Cordella (ORCID: https://orcid.org/0000-0003-0731-5622)
- L. Garzotti (ORCID: https://orcid.org/0000-0002-3796-9814)
- V. de Leo
- G. Grosso
- E. Lazzaro (ORCID: https://orcid.org/0000-0002-3291-8890)
- M. Tardocchi (ORCID: https://orcid.org/0000-0001-8443-1809)
- G. Claps (ORCID: https://orcid.org/0000-0001-8765-5525)
- the WPTE team
- E. Rose
- D. Pacella
Institutions
- National Agency for New Technologies, Energy and Sustainable Economic Development (IT)
- University of Padua (IT)
- Istituto Nazionale di Fisica Nucleare, Sezione di Milano Bicocca (IT)
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati (IT)
- Institute for the Science and Technology of Plasmas (IT)
- United Kingdom Atomic Energy Authority (GB)
- University of Milano-Bicocca (IT)
Publication Details
- Journal
- Journal of Instrumentation
- Published
- 2025-05-01
- DOI
- https://doi.org/10.1088/1748-0221/20/05/c05010
- Citations
- 1
- Primary Topic
- Particle Detector Development and Performance
- Type
- article
- Field-Weighted Citation Impact
- 1.87