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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
Citation
Physical Review Letters, 2011, v. 106, n. 25 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
2015 Impact Factor: 7.645
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-
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.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.eissn1079-7114-
dc.identifier.isiWOS:000292040900008-

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