2016
DOI: 10.1103/physrevlett.116.242502
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Experimental Neutron Capture Rate Constraint Far from Stability

Abstract: Nuclear reactions where an exotic nucleus captures a neutron are critical for a wide variety of applications, from energy production and national security, to astrophysical processes, and nucleosynthesis. Neutron capture rates are well constrained near stable isotopes where experimental data are available; however, moving far from the valley of stability, uncertainties grow by orders of magnitude. This is due to the complete lack of experimental constraints, as the direct measurement of a neutron-capture react… Show more

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Cited by 65 publications
(62 citation statements)
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“…This experiment was the first-ever application of the TAS technique with a fast beam produced via projectile fragmentation. Results from later experiments with roughly the same experimental setup have already been published [20][21][22]. The extracted β-decay feeding intensity distributions for the nuclides in the present work will be presented in forthcoming papers.…”
Section: Methodsmentioning
confidence: 75%
“…This experiment was the first-ever application of the TAS technique with a fast beam produced via projectile fragmentation. Results from later experiments with roughly the same experimental setup have already been published [20][21][22]. The extracted β-decay feeding intensity distributions for the nuclides in the present work will be presented in forthcoming papers.…”
Section: Methodsmentioning
confidence: 75%
“…Direct measurements are limited to reasonably long-lived targets and hence statistical properties will play an increasingly important role in determining many astrophysically relevant cross sections. Experimental efforts already focus on new techniques, utilizing beta decay [18,19] and surrogate reactions [20], with the goal to obtain (n, γ) cross sections for nuclei far from stability.…”
Section: Introductionmentioning
confidence: 99%
“…Where there is disagreement between models, there is no experimental data and the majority of nuclei that have substantial impact on the final r-process abundances are in this category, see Refs. [24,25,26] for recent examples. The most important nuclear physics inputs for the r process are masses, β-decays and neutron capture rates near closed neutron shells and in the rare earth region [19].…”
Section: Introductionmentioning
confidence: 99%