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Review and new concepts for neutron-capture measurements of astrophysical interest

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Author(s)

  • n-TOF Collaboration

Department/unit(s)

Publication details

JournalJournal of Physics: Conference Series
DatePublished - 21 Oct 2020
Issue number1
Volume1668
Number of pages14
Original languageEnglish

Abstract

The idea of slow-neutron capture nucleosynthesis formulated in 1957 triggered a tremendous experimental effort in different laboratories worldwide to measure the relevant nuclear physics input quantities, namely (n, γ) cross sections over the stellar temperature range (from few eV up to several hundred keV) for most of the isotopes involved from Fe up to Bi. A brief historical review focused on total energy detectors will be presented to illustrate how advances in instrumentation have led to the assessment of new aspects of s-process nucleosynthesis and to the progressive refinement of stellar models. A summary will be presented on current efforts to develop new detection concepts, such as the Total-Energy Detector with γ-ray imaging capability (i-TED). The latter is based on the simultaneous combination of Compton imaging with neutron time-of-flight (TOF) techniques, in order to achieve a superior level of sensitivity and selectivity in the measurement of stellar neutron capture rates.

Bibliographical note

Funding Information:
This work has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (ERC Consolidator Grant project HYMNS, with grant agreement n. 681740). The authors acknowledge support from the Spanish Ministerio de Ciencia e Innovaci?n under grants FPA2014-52823-C2-1-P, FPA2017-83946-C2-1-P, CSIC for funding PIE-201750I26 and the program Severo Ochoa (SEV-2014-0398).

Funding Information:
This work has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (ERC Consolidator Grant project HYMNS, with grant agreement n◦ 681740). The authors acknowledge support from the Spanish Ministerio de Ciencia e Innovación under grants FPA2014-52823-C2-1-P, FPA2017-83946-C2-1-P, CSIC for funding PIE-201750I26 and the program Severo Ochoa (SEV-2014-0398).
© 2020 International Society for Photogrammetry and Remote Sensing.

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