The CERN n_TOF NEAR station for astrophysics- and application-related neutron activation measurements

Abstract A new experimental area, the NEAR station, has recently been built at the CERN n_TOF facility, at a short distance from the spallation target (3 m). The new area, characterized by a neutron beam of very high flux, has been designed with the purpose of performing activation measurements of interest for astrophysics and various applications. The beam is transported from the spallation target to the NEAR station through a hole in the shielding wall of the target, inside which a collimator is inserted. The new area is complemented with a $$\gamma $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>γ</mml:mi> </mml:math> -ray spectroscopy laboratory, the GEAR station, equipped with a high-efficiency HPGe detector, for the measurement of the activity resulting from irradiation of a sample in the NEAR station. The use of a moderator/filter assembly is envisaged, in order to produce a neutron beam with quasi-Maxwellian energy distribution, of different thermal energies, necessary for the determination of Maxwellian Averaged Cross Sections of astrophysical interest. A new fast-cycling activation technique is also being investigated for measurements of reactions leading to isotopes of very short half life.

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Publication Details

Journal
The European Physical Journal A
Published
2025-09-23
DOI
https://doi.org/10.1140/epja/s10050-025-01674-7
Citations
1
Primary Topic
Nuclear physics research studies
Type
article
Field-Weighted Citation Impact
1.87
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The CERN n_TOF NEAR station for astrophysics- and application-related neutron activation measurements

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The European Physical Journal A
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The CERN n_TOF NEAR station for astrophysics- and application-related neutron activation measurements

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article en
1 citations

Abstract

Abstract A new experimental area, the NEAR station, has recently been built at the CERN n_TOF facility, at a short distance from the spallation target (3 m). The new area, characterized by a neutron beam of very high flux, has been designed with the purpose of performing activation measurements of interest for astrophysics and various applications. The beam is transported from the spallation target to the NEAR station through a hole in the shielding wall of the target, inside which a collimator is inserted. The new area is complemented with a $$\gamma $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>γ</mml:mi> </mml:math> -ray spectroscopy laboratory, the GEAR station, equipped with a high-efficiency HPGe detector, for the measurement of the activity resulting from irradiation of a sample in the NEAR station. The use of a moderator/filter assembly is envisaged, in order to produce a neutron beam with quasi-Maxwellian energy distribution, of different thermal energies, necessary for the determination of Maxwellian Averaged Cross Sections of astrophysical interest. A new fast-cycling activation technique is also being investigated for measurements of reactions leading to isotopes of very short half life.

The European Physical Journal AVol. 61(9)
National Agency for New Technologies, Energy and Sustainable Economic Development (IT), Goethe University Frankfurt (DE), Japan Atomic Energy Agency (JP), Uppsala University (SE), Physikalisch-Technische Bundesanstalt (DE), TU Wien (AT), Universitat de València (ES), Universidad de Granada (ES), National Technical University of Athens (GR), University of Zagreb (HR), University of Ioannina (GR), Universidade de Santiago de Compostela (ES), Charles University (CZ), University of Pavia (IT), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), Université Paris-Saclay (FR), European Commission (BE), Trieste Astronomical Observatory (IT), Helmholtz-Zentrum Dresden-Rossendorf (DE), Paul Scherrer Institute (CH), University of Manchester (GB), Joint Institute for Nuclear Research (RU), University of Łódź (PL), University of Catania (IT), Osservatorio astronomico di Bologna (IT), Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering (RO), Istituto Nazionale di Fisica Nucleare, Sezione di Torino (IT), Instituto de Física Corpuscular (ES), Istituto Nazionale di Fisica Nucleare, Sezione di Pavia (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Bari (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Catania (IT), Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Sud (IT), Collurania Teramo Observatory (IT), Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro (IT), CEA Paris-Saclay (FR), Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Bologna (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Trieste (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Perugia (IT), Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (ES), Instituto Superior Técnico (PT), University of York (GB), University of Turin (IT), University of Bari Aldo Moro (IT), European Organization for Nuclear Research (CH), Universidad de Sevilla (ES), University of Bologna (IT), Universitat Politècnica de Catalunya (ES), University of Edinburgh (GB)
Openalex Percentile: Top 12%
Nuclear physics research studies
1.87
DOIOpen Access PDFOpenAlex
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