Low-energy neutron cross-talk between organic scintillator detectors
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arXiv
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| Auteurs principaux: | , , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866910864863395840 |
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| author | Sénoville, M. Delaunay, F. Achouri, N. L. Orr, N. A. Carniol, B. de Séréville, N. Étasse, D. Fontbonne, C. Fontbonne, J. -M. Gibelin, J. Hommet, J. Laurent, B. Ledoux, X. Marqués, F. M. Martínez, T. Pârlog, M. |
| author_facet | Sénoville, M. Delaunay, F. Achouri, N. L. Orr, N. A. Carniol, B. de Séréville, N. Étasse, D. Fontbonne, C. Fontbonne, J. -M. Gibelin, J. Hommet, J. Laurent, B. Ledoux, X. Marqués, F. M. Martínez, T. Pârlog, M. |
| contents | A series of measurements have been performed with low-energy monoenergetic neutrons to characterise cross-talk between two organic scintillator detectors. Cross-talk time-of-flight spectra and probabilities were determined for neutron energies from 1.4 to 15.5 MeV and effective scattering angles ranging from $\sim$50° to $\sim$100°. Monte-Carlo simulations incorporating both the active and inactive materials making up the detectors showed reasonable agreement with the measurements. Whilst the time-of-flight spectra were very well reproduced, the cross-talk probabilities were only in approximate agreement with the measurements, with the most significant discrepancies ($\sim$40 %) occurring at the lowest energies. The neutron interaction processes producing cross-talk at the energies explored here are discussed in the light of these results. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_19508 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Low-energy neutron cross-talk between organic scintillator detectors Sénoville, M. Delaunay, F. Achouri, N. L. Orr, N. A. Carniol, B. de Séréville, N. Étasse, D. Fontbonne, C. Fontbonne, J. -M. Gibelin, J. Hommet, J. Laurent, B. Ledoux, X. Marqués, F. M. Martínez, T. Pârlog, M. Instrumentation and Detectors Nuclear Experiment A series of measurements have been performed with low-energy monoenergetic neutrons to characterise cross-talk between two organic scintillator detectors. Cross-talk time-of-flight spectra and probabilities were determined for neutron energies from 1.4 to 15.5 MeV and effective scattering angles ranging from $\sim$50° to $\sim$100°. Monte-Carlo simulations incorporating both the active and inactive materials making up the detectors showed reasonable agreement with the measurements. Whilst the time-of-flight spectra were very well reproduced, the cross-talk probabilities were only in approximate agreement with the measurements, with the most significant discrepancies ($\sim$40 %) occurring at the lowest energies. The neutron interaction processes producing cross-talk at the energies explored here are discussed in the light of these results. |
| title | Low-energy neutron cross-talk between organic scintillator detectors |
| topic | Instrumentation and Detectors Nuclear Experiment |
| url | https://arxiv.org/abs/2502.19508 |