Status of delayed-neutron precursor data: Half-lives and neutron emission probabilities

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dc.creatorPfeiffer, B.
dc.creatorKratz, K. -L.
dc.creatorMoeller, P.
dc.date2001-06-22
dc.date.accessioned2026-07-07T05:36:47Z
dc.date.available2026-07-07T05:36:47Z
dc.descriptionWe present in this paper a compilation of the present status of experimental delayed-neutron precursor data; i.e. beta-decay half-lives (T_1/2) and neutron emission probabilities (P_n) in the fission-product region (27 <= Z <= 57). These data are compared to two model predictions of substantially different sophistication: (i) an update of the empirical Kratz-Herrmann formula (KHF), and (ii) a unified macroscopic-microscopic model within the quasi-particle random-phase approximation (QRPA). Both models are also used to calculate so far unknown T_1/2 and P_n values up to Z=63. A number of possible refinements in the microscopic calculations are suggested to further improve the nuclear-physics foundation of these data for reactor and astrophysical applications.
dc.description31 pages, 9 figures, Report LA-UR--00-5897, Progr. Nucl. Energ., in print
dc.identifierhttps://arxiv.org/abs/nucl-ex/0106020
dc.identifierhttp://arxiv.org/abs/nucl-ex/0106020
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/81112
dc.subjectNuclear Experiment
dc.titleStatus of delayed-neutron precursor data: Half-lives and neutron emission probabilities
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