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dc.contributor.authorBergmann, U. C.-
dc.contributor.authorAxelsson, L.-
dc.contributor.authorGarcía Borge, María José-
dc.contributor.authorFedoseyev, V. N.-
dc.contributor.authorForssén, C.-
dc.contributor.authorFynbo, H. O. U.-
dc.contributor.authorGrévy, S.-
dc.contributor.authorHornshøj, P.-
dc.contributor.authorJading, Y.-
dc.contributor.authorJonson, B.-
dc.contributor.authorKöster, U.-
dc.contributor.authorMarkenroth, K.-
dc.contributor.authorMarqués, F. M.-
dc.contributor.authorMishin, V. I.-
dc.contributor.authorNilsson, T.-
dc.contributor.authorOberstedt, A.-
dc.contributor.authorRavn, H. L.-
dc.contributor.authorRiisager, K.-
dc.contributor.authorSchrieder, G.-
dc.contributor.authorSebastian, V.-
dc.contributor.authorSimon, H.-
dc.contributor.authorTengblad, Olof-
dc.contributor.authorWenander, F.-
dc.contributor.authorWilhelmsen Rolander, K.-
dc.identifier.citationNuclear Physics A 658(2): 129-145 (1999)-
dc.description17 pages, 3 tables, 5 figures, 1 appendix.-- PACS nrs.: 23.40.Hc; 27.20.+n.-
dc.description.abstractThe β-delayed neutron branches from neutron-rich Be-isotopes have been measured with a setup sensitive down to thermal energies. For Be-14 a new value of P(n) = 101 ± 4% has been found for the total neutron-emission probability and an upper limit of 2.4% (95% confidence level) is imposed on the combination P(2n) + 3P(3n) of multi-neutron emission probabilities. Moreover, an improved value of P(n) = 0.50 ± 0.03% has been obtained for Be-12. A time-correlation method, previously developed for a continuous radioactive beam to determine neutron branching ratios, has been revised and adapted to the pulsed secondary beam at ISOLDE, CERN.en_US
dc.format.extent939051 bytes-
dc.subjectRadioactivity: Be-12, Be-14 (from 1 GeV p on UC target, selective mass separation)en_US
dc.subjectMeasured βn, nn time correlationsen_US
dc.subjectBe-12, Be-14 deduced P(n) values, Be-14 deduced P(xn) valuesen_US
dc.subjectNeutron long countersen_US
dc.subject[PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19en_US
dc.subject[PACS] Relation with nuclear matrix elements and nuclear structureen_US
dc.titleNew information on β-delayed neutron emission from Be-12, Be-14en_US
dc.description.peerreviewedPeer revieweden_US
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