Experimental setup and procedure for the measurement of the Be-7(n,alpha)alpha reaction at n_TOF
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F16%3A10331978" target="_blank" >RIV/00216208:11320/16:10331978 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.nima.2016.05.089" target="_blank" >http://dx.doi.org/10.1016/j.nima.2016.05.089</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.nima.2016.05.089" target="_blank" >10.1016/j.nima.2016.05.089</a>
Alternative languages
Result language
angličtina
Original language name
Experimental setup and procedure for the measurement of the Be-7(n,alpha)alpha reaction at n_TOF
Original language description
The newly built second experimental area EAR2 of then n_ToF spallation neutron source at CERN allows to perform (n, charged particles) experiments on short-lived highly radioactive targets. This paper describes a detection apparatus and the experimental procedure for the determination of the cross-section of the Be-7(n,alpha)alpha reaction, which represents one of the focal points toward the solution of the cosmological Lithium abundance problem, and whose only measurement, at thermal energy, dates back to 1963. The apparently unsurmountable experimental difficulties stemming from the huge Be-7 gamma-activity, along with the lack of a suitable neutron beam facility, had so far prevented further measurements. The detection system is subject to considerable radiation damage, but is capable of disentangling the rare reaction signals from the very high background. This newly developed setup could likely be useful also to study other challenging reactions requiring the detectors to be installed directly in the neutron beam.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BG - Nuclear, atomic and molecular physics, accelerators
OECD FORD branch
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Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
ISSN
0168-9002
e-ISSN
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Volume of the periodical
830
Issue of the periodical within the volume
September 2016
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
9
Pages from-to
197-205
UT code for WoS article
000381530300027
EID of the result in the Scopus database
2-s2.0-84973149462