Development of a two-stage detection array for low-energy light charged-particles in nuclear astrophysics applications

M Romoli, L. Morales-Gallegos, Marialuisa Aliotta, Carlo Bruno, R. Buompane, A. D'Onofrio, Thomas Davinson, M. De Cesare, Di Leva Antonino, P. Di Meo, J Duarte, L. Gasques, L Gialanella, G. Imbriani, G. Porzio, D. Rapagnani, A. Vanzanella

Research output: Contribution to journalArticlepeer-review

Abstract

A new detection array called GASTLY (GAs-Silicon Two-Layer sYstem) has been designed to detect and identify low-energy light particles emitted in nuclear reactions of astrophysical interest. Devoted to the measurement of nanobarn cross-sections, the system is optimised for large solid angle coverage and for low-energy detection thresholds. The array consists of eight modules, each comprising an ionisation chamber and a large area silicon strip detector. Its modularity and versatility allow for use in a variety of experiments. Here we report on the performance of the array as obtained during its commissioning phase with standard α -particle sources and during in-beam tests with an intense 12C beam. Typical energy resolutions ΔE(FWHM)/E of about 3% and 2% were obtained for the ionisation chambers and the silicon detectors, respectively. The status of the development of individual strip readout, based on ASIC technology, is also presented.
Original languageEnglish
JournalEuropean Physical Journal A: Hadrons and Nuclei
Volume54
Issue number8
DOIs
Publication statusPublished - 30 Aug 2018

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