Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/28676
DC Field | Value | Language |
---|---|---|
dc.contributor.author | VESCOVI, Diego | en_US |
dc.contributor.author | PIERSANTI, Luciano | en_US |
dc.contributor.author | CRISTALLO, Sergio | en_US |
dc.contributor.author | Busso, M. | en_US |
dc.contributor.author | Vissani, F. | en_US |
dc.contributor.author | Palmerini, S. | en_US |
dc.contributor.author | Simonucci, S. | en_US |
dc.contributor.author | Taioli, S. | en_US |
dc.date.accessioned | 2020-12-04T09:19:32Z | - |
dc.date.available | 2020-12-04T09:19:32Z | - |
dc.date.issued | 2019 | en_US |
dc.identifier.issn | 0004-6361 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/28676 | - |
dc.description.abstract | Context. Electron-capture on <SUP>7</SUP>Be is the main production channel for <SUP>7</SUP>Li in several astrophysical environments. Theoretical evaluations have to account for not only the nuclear interaction, but also the processes in the plasma in which <SUP>7</SUP>Be ions and electrons interact. In recent decades several estimates were presented, pointing out that the theoretical uncertainty in the rate is in general of a few percent. <BR /> Aims: In the framework of fundamental solar physics, we consider a recent evaluation for the <SUP>7</SUP>Be+e<SUP>-</SUP> rate, which has not been used up to now, in the estimate of neutrino fluxes. <BR /> Methods: We analyzed the effects of the new assumptions on standard solar models (SSMs) and compared the results obtained by adopting the revised <SUP>7</SUP>Be+e<SUP>-</SUP> rate to those obtained by that reported in a widely used compilation of reaction rates (ADE11). <BR /> Results: We found that new SSMs yield a maximum difference in the efficiency of the <SUP>7</SUP>Be channel of about -4% with respect to what is obtained with the previously adopted rate. This fact affects the production of neutrinos from <SUP>8</SUP>B, increasing the relative flux up to a maximum of 2.7%. Negligible variations are found for the physical and chemical properties of the computed solar models. <BR /> Conclusions: The agreement with the Sudbury Neutrino Observatory measurements of the neutral current component of the <SUP>8</SUP>B neutrino flux is improved. <P />The electron-capture table is only available at the CDS via anonymous ftp to <A href="http://cdsarc.u-strasbg.fr/">http://cdsarc.u-strasbg.fr</A> (ftp://130.79.128.5) or via <A href="http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/623/A126">http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/623/A126 | en_US |
dc.language.iso | eng | en_US |
dc.title | Effects of a revised 7Be e- -capture rate on solar neutrino fluxes | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.1051/0004-6361/201834993 | en_US |
dc.identifier.scopus | 2-s2.0-85065626006 | en_US |
dc.identifier.isi | 000461413400001 | en_US |
dc.identifier.url | https://www.aanda.org/articles/aa/full_html/2019/03/aa34993-18/aa34993-18.html | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 623 | en_US |
dc.relation.firstpage | A126 | en_US |
dc.relation.lastpage | A132 | en_US |
dc.relation.numberofpages | 7 | en_US |
dc.type.referee | REF_1 | en_US |
dc.description.numberofauthors | 8 | en_US |
dc.description.international | no | en_US |
dc.contributor.country | ITA | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | ASTRONOMY & ASTROPHYSICS | en_US |
dc.type.miur | 262 Articolo in rivista | en_US |
dc.identifier.adsbibcode | 2019A&A...623A.126V | en_US |
dc.relation.ercsector | ERC sectors::Physical Sciences and Engineering::PE9 Universe sciences: astro-physics/chemistry/biology; solar systems; stellar, galactic and extragalactic astronomy, planetary systems, cosmology, space science, instrumentation::PE9_6 Stars and stellar systems | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegare il file al passo 5-Carica) | en_US |
local.message.claim | 2023-12-04T10:14:07.410+0100|||rp10260|||submit_approve|||dc_contributor_author|||None | * |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | O.A. Abruzzo | - |
crisitem.author.dept | O.A. Abruzzo | - |
crisitem.author.dept | O.A. Abruzzo | - |
crisitem.author.orcid | 0000-0003-0309-4666 | - |
crisitem.author.orcid | 0000-0002-8758-244X | - |
crisitem.author.orcid | 0000-0001-9683-9406 | - |
crisitem.journal.journalissn | 0004-6361 | - |
crisitem.journal.ance | E016240 | - |
Appears in Collections: | 1.01 Articoli in rivista |
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File | Description | Size | Format | |
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aa34993-18.pdf | Pdf editoriale | 456.81 kB | Adobe PDF | View/Open |
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