1991
DOI: 10.1007/bf01288426
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Muon attachment in prompt fission of237Np

Abstract: The probabilities of muon attachment to fission fragments in the prompt fission of a37Np have been determined as a function of fragment mass and total kinetic energy release in a (/~ -, fl f2 e-)-coincidence measurement. A strong dependence of the attachment probability on the fragment mass is observed. The experimental results are compared with theoretical predictions.

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Cited by 11 publications
(13 citation statements)
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References 21 publications
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“…data are taken from ref. [13]. 111.5 with the measured data we extract a dissipated energy of order 10 MeV for 237 Np while the second mass bin A L = 111.5 → 104.5 is more compatible with zero dissipation energy.…”
Section: Comparison Of Theory With Experimentssupporting
confidence: 57%
See 1 more Smart Citation
“…data are taken from ref. [13]. 111.5 with the measured data we extract a dissipated energy of order 10 MeV for 237 Np while the second mass bin A L = 111.5 → 104.5 is more compatible with zero dissipation energy.…”
Section: Comparison Of Theory With Experimentssupporting
confidence: 57%
“…3. The most complete experiments have been carried out by Risse et al [13] at the Paul Scherrer Institute (PSI) in Switzerland. The basic experimental approach is to place a fission chamber inside an electron spectrometer.…”
Section: Comparison Of Theory With Experimentsmentioning
confidence: 99%
“…Указанные выше физические особенности задачи адекватно отражаются термином "адиабатичность". Задача о прохождении альфа-частицы через электронную оболочку вполне аналогична задаче о распределении мюонов между осколками мгновенного деления в мюоном атоме урана [10,11,12,13]. В последнем случае, деление ядра происходит в присутствии мюона на K-орбите.…”
Section: экспериментальные аспекты адиабатического подхода в оценке в...unclassified
“…Это приводит к формированию адиабатических квазимолекулярных состояний в процессе формирования и разлета осколков. Именно перестройка квазимолекулярного состояния приводит к наблюденному в эксперименте эффекту подавления вероятности мгновенного деления вследствие повышения барьера деления [11,12]. В результате выход деления уменьшается на порядок по сравнению с обычным делением, индуцированным нейтронами или фотонами.…”
Section: экспериментальные аспекты адиабатического подхода в оценке в...unclassified
“…By comparing our theoretical results to the experimental data of ref. [27] we extract a dissipated energy of order 0 − 10 MeV for 237 Np. The 10 MeV value corresponds to a fission time delay from saddle to scission of order 2 × 10 −21 s. This value of E diss = 10 MeV agrees with results from other low-energy fission measurements that are based on the odd-even effect in the charge yields of fission fragments [30].…”
Section: Fission "Clocks"mentioning
confidence: 99%