0000000000291552

AUTHOR

Tomislav Marketin

showing 3 related works from this author

First Measurement of Severalβ-Delayed Neutron Emitting Isotopes BeyondN=126

2016

The β-delayed neutron emission probabilities of neutron rich Hg and Tl nuclei have been measured together with β-decay half-lives for 20 isotopes of Au, Hg, Tl, Pb, and Bi in the mass region N≳126. These are the heaviest species where neutron emission has been observed so far. These measurements provide key information to evaluate the performance of nuclear microscopic and phenomenological models in reproducing the high-energy part of the β-decay strength distribution. This provides important constraints on global theoretical models currently used in r-process nucleosynthesis.

PhysicsIsotope010308 nuclear & particles physicsNeutron emissionAstrophysics::High Energy Astrophysical PhenomenaNuclear TheoryGeneral Physics and Astronomy01 natural sciencesMass formulaNuclear physics13. Climate actionNucleosynthesis0103 physical sciencesr-processNeutronNuclear Experiment010306 general physicss-processDelayed neutronPhysical Review Letters
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Development of a Reference Database for Beta-Delayed Neutron Emission

2021

Beta-delayed neutron emission is important for nuclear structure and astrophysics as well as for reactor applications. Significant advances in nuclear experimental techniques in the past two decades have led to a wealth of new measurements that remain to be incorporated in the databases. We report on a coordinated effort to compile and evaluate all the available beta-delayed neutron emission data. The different measurement techniques have been assessed and the data have been compared with semi-microscopic and microscopic-macroscopic models. The new microscopic database has been tested against aggregate total delayed neutron yields, time-dependent group parameters in 6-and 8-group re-present…

Nuclear and High Energy PhysicsFissile material010308 nuclear & particles physicsNeutron emissionAstrophysics::High Energy Astrophysical PhenomenaAggregate (data warehouse)Nuclear TheoryNuclear dataFOS: Physical sciences[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]01 natural sciencesNuclear physicsBeta (plasma physics)0103 physical sciencesReference databaseEnvironmental scienceNuclear Experiment (nucl-ex)010306 general physicsNuclear ExperimentDelayed neutronNuclear Experiment
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A new reference database for beta-delayed neutrons

2019

International audience; A new database containing all available experimental and evaluated β-delayed neutron data is presented in this paper. The database is the product of an international effort coordinated by the International Atomic Energy Agency. It comprises a microscopic section including all available experimental data on beta-decay half-lives, β-delayed neutron emission probabilities and spectra, as well as new systematics and global theoretical calculations for comparison. The beta-delayed neutron data for individual precursors have been benchmarked against available data on macroscopic properties such as total delayed-neutron yields and spectra, delayed-neutron decay curves and t…

Physics010308 nuclear & particles physicsPhysicsQC1-999Experimental data[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]01 natural sciencesDecay curveNuclear physics0103 physical sciencesReference databaseNeutronBeta (velocity)Nuclear Experiment010306 general physicsDelayed neutron
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