Cross-section Measurement of the Cosmologically Relevant Be-7(n, alpha)He-4 Reaction over a Broad Energy Range in a Single Experiment
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F19%3A00506669" target="_blank" >RIV/61389005:_____/19:00506669 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.3847/1538-4357/ab2234" target="_blank" >https://doi.org/10.3847/1538-4357/ab2234</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3847/1538-4357/ab2234" target="_blank" >10.3847/1538-4357/ab2234</a>
Alternative languages
Result language
angličtina
Original language name
Cross-section Measurement of the Cosmologically Relevant Be-7(n, alpha)He-4 Reaction over a Broad Energy Range in a Single Experiment
Original language description
Studying interactions of radioactive ions with neutrons is particularly demanding and has been performed only in a few cases. Some of these interactions are crucial in several astrophysical contexts. In the present work, the case of the Be-7 destruction induced by the (n,alpha) reaction is investigated at the energies typical of the primordial nucleosynthesis by means of the Trojan Horse Method applied to the H-2(Be-7,alpha alpha)p quasi-free reaction. The Be-7(n,alpha)(4) He cross-section has been measured in a single experiment from similar to 2 MeV down to cosmological energies. The corresponding deduced reaction rate has been adopted to evaluate the impact on big bang nucleosynthesis and on the lithium problem.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10308 - Astronomy (including astrophysics,space science)
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)
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Astrophysical Journal
ISSN
0004-637X
e-ISSN
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Volume of the periodical
897
Issue of the periodical within the volume
1
Country of publishing house
GB - UNITED KINGDOM
Number of pages
8
Pages from-to
23
UT code for WoS article
000473493100012
EID of the result in the Scopus database
2-s2.0-85070732350