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Article: Ground-state proton decay of Br69 and implications for the se68 astrophysical rapid proton-capture process waiting point

TitleGround-state proton decay of Br69 and implications for the se68 astrophysical rapid proton-capture process waiting point
Authors
Issue Date2011
PublisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prl/
Citation
Physical Review Letters, 2011, v. 106 n. 25, article no. 252503 How to Cite?
AbstractWe report on the first direct measurement of the proton separation energy for the proton-unbound nucleus Br69. Bypassing the Se68 waiting point in the rp process is directly related to the 2p-capture rate through Br69, which depends exponentially on the proton separation energy. We find a proton separation energy for Br69 of Sp(Br69)=-785-40+34keV; this is less bound compared to previous predictions which have relied on uncertain theoretical calculations. The influence of the extracted proton separation energy on the rp process occurring in type I x-ray bursts is examined within the context of a one-zone burst model. © 2011 American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/200024
ISSN
2017 Impact Factor: 8.839
2015 SCImago Journal Rankings: 3.731
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorRogers, Andrew M.-
dc.contributor.authorFamiano, Michael A.-
dc.contributor.authorLynch, William G.-
dc.contributor.authorWallace, Mark S.-
dc.contributor.authorAmorini, Francesca-
dc.contributor.authorBazin, Daniel P.-
dc.contributor.authorCharity, Robert J.-
dc.contributor.authorDelaunay, Frank-
dc.contributor.authorDe Souza, Raissa T.-
dc.contributor.authorElson, Jon M.-
dc.contributor.authorGade, Alexandra-
dc.contributor.authorGalaviz, Daniel-
dc.contributor.authorVan Goethem, Marc Jan-
dc.contributor.authorHudan, Sylvie-
dc.contributor.authorLee, Jenny-
dc.contributor.authorLobastov, Sergey P.-
dc.contributor.authorLukyanov, S. M.-
dc.contributor.authorMato, M.-
dc.contributor.authorMocko, Michal-
dc.contributor.authorSchatz, Hendrik-
dc.contributor.authorShapira, Daniel-
dc.contributor.authorSobotka, Lee G.-
dc.contributor.authorTsang, Betty-
dc.contributor.authorVerde, Giuseppe-
dc.date.accessioned2014-07-26T23:11:02Z-
dc.date.available2014-07-26T23:11:02Z-
dc.date.issued2011-
dc.identifier.citationPhysical Review Letters, 2011, v. 106 n. 25, article no. 252503-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10722/200024-
dc.description.abstractWe report on the first direct measurement of the proton separation energy for the proton-unbound nucleus Br69. Bypassing the Se68 waiting point in the rp process is directly related to the 2p-capture rate through Br69, which depends exponentially on the proton separation energy. We find a proton separation energy for Br69 of Sp(Br69)=-785-40+34keV; this is less bound compared to previous predictions which have relied on uncertain theoretical calculations. The influence of the extracted proton separation energy on the rp process occurring in type I x-ray bursts is examined within the context of a one-zone burst model. © 2011 American Physical Society.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prl/-
dc.relation.ispartofPhysical Review Letters-
dc.titleGround-state proton decay of Br69 and implications for the se68 astrophysical rapid proton-capture process waiting point-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevLett.106.252503-
dc.identifier.pmid21770637-
dc.identifier.scopuseid_2-s2.0-79960624277-
dc.identifier.volume106-
dc.identifier.issue25-
dc.identifier.spagearticle no. 252503-
dc.identifier.epagearticle no. 252503-
dc.identifier.eissn1079-7114-
dc.identifier.isiWOS:000292040900008-

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