CERN Accelerating science

Article
Title Characterization and First Test of an i-TED Prototype at CERN n_TOF
Author(s) Babiano-Suarez, V (Valencia U., IFIC) ; Caballero, L (Valencia U., IFIC) ; Domingo-Pardo, C (Valencia U., IFIC) ; Ladarescu, I (Valencia U., IFIC) ; Aberle, O (CERN) ; Alcayne, V (Madrid, CIEMAT) ; Amaducci, S (INFN, Catania) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Orsay, IPN) ; Bacak, M (CERN ; TU Vienna) 125 人のオーサーを表示
Publication 2019
Number of pages 5
In: Springer Proc. Phys. 225 (2019) 169-173
In: La Rábida 2018 International Scientific Meeting on Nuclear Physics, La Rábida, Spain, 18 - 22 Jun 2018, pp.169-173
DOI 10.1007/978-3-030-22204-8_18
Subject category Nuclear Physics - Experiment ; Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN PS ; nTOF
Abstract Neutron capture cross section measurements are of fundamental importance for the study of the slow process of neutron capture, so called s-process. This mechanism is responsible for the formation of most elements heavier than iron in the Universe. To this aim, installations and detectors have been developed, as total energy radiation C66 D66 detectors. However, these detectors can not distinguish between true capture gamma rays from the sample under study and neutron induced gamma rays produced in the surroundings of the setup. To improve this situation, we propose (Domingo Pardo in Nucl Instr Meth Phys Res A 825:78–86, 2016, [1]) the use of the Compton principle to select events produced in the sample and discard background events. This involves using detectors capable of resolving the interaction position of the gamma ray inside the detector itself, as well as a high energy resolution. These are the main features of i-TED, a total energy detector capable of gamma ray imaging. Such system is being developed at the “Gamma Spectroscopy and Neutrons Group” at IFIC ( http://webgamma.ific.uv.es/gamma/es/ , [2]), in the framework of the ERC-funded project HYMNS (High sensitivitY and Measurements of key stellar Nucleo-Synthesis reactions). This work summarizes first tests with neutron beam at CERN n __ TOF.
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