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dc.contributor.author
Barbero, César Alberto
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dc.contributor.author
Cassiano dos Santos, M
dc.contributor.author
Samana, A. R.
dc.date.available
2021-10-27T04:53:13Z
dc.date.issued
2020-03
dc.identifier.citation
Barbero, César Alberto; Cassiano dos Santos, M; Samana, A. R.; Systematic calculation of neutrino-nucleus cross section available for astrophysical applications; Sociedade Brasileira de Física; Brazilian Journal Of Physics; 50; 3; 3-2020; 331-345
dc.identifier.issn
0103-9733
dc.identifier.uri
http://hdl.handle.net/11336/145155
dc.description.abstract
Assuming the universality of weak interactions, we have studied the weak processes such as β-decay and electron capture using the nuclear gross theory of beta decay (GTBD). We evaluate the β± and electron capture decay rates and the neutrino– nucleus cross sections as a function of the energy of the incident neutrino, for Eν < 250 MeV. The evaluation performed some years ago for the electron neutrino–nucleus reactions in the mass region A < 70 is extended to the heavy one A < 220 for a set of 965 nuclear species of astrophysical interest. The nuclei are separated according to its parity in even–even, even– odd, odd–odd, and odd–even nuclei, both for β±-decay and electron capture. The obtained cross sections are interpolated by means of a fourth-degree polynomial function in Eν . The coefficients in these polynomials are obtained and later fitted as a function of A and Z. The fitting procedure is described in detail paying special attention to the root mean square deviations in the adjustment. These polynomial functions provide a tool for the systematic evaluation of the cross sections needed in astrophysical processes like the r-process during the nucleosynthesis of supernovae.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Sociedade Brasileira de Física
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ELECTRON CAPTURE
dc.subject
GROSS THEORY OF BETA DECAY
dc.subject
NEUTRINO–NUCLEUS CROSS SECTION
dc.subject
Β-DECAY
dc.subject.classification
Física Nuclear
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Systematic calculation of neutrino-nucleus cross section available for astrophysical applications
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-09-06T17:46:25Z
dc.journal.volume
50
dc.journal.number
3
dc.journal.pagination
331-345
dc.journal.pais
Brasil
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dc.journal.ciudad
San Pablo
dc.description.fil
Fil: Barbero, César Alberto. Universidad Nacional de La Plata. Facultad de Ciencias Exactas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
dc.description.fil
Fil: Cassiano dos Santos, M. Universidade Estadual de Santa Cruz; Brasil
dc.description.fil
Fil: Samana, A. R.. Universidade Estadual de Santa Cruz; Brasil
dc.journal.title
Brazilian Journal Of Physics
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s13538-020-00737-y
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s13538-020-00737-y
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