FISSION DECAY OF GIANT-RESONANCES IN U-238 EXCITED IN ALPHA SCATTERING AT SMALL MOMENTUM-TRANSFER

被引：1

作者：

BRINKMOLLER, B ^{[1
]}

DECOWSKI, P ^{[1
]}

MARIANSKI, B ^{[1
]}

MORSCH, HP ^{[1
]}

PAUL, D ^{[1
]}

ROGGE, M ^{[1
]}

SIEBERT, R ^{[1
]}

SPANG, W ^{[1
]}

TUREK, P ^{[1
]}

ZEMLO, L ^{[1
]}

机构：

[1] FORSCHUNGSZENTRUM JULICH, FORSCHUNGSZENTRUM, INST KERNPHYS, W-5170 JULICH 1, GERMANY

来源：

PHYSICAL REVIEW C | 1992年 / 45卷 / 05期

关键词：

D O I：

10.1103/PhysRevC.45.2272

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Coincidences between inelastically scattered alpha-particles and fission products from U-238 have been measured with a 172 MeV a beam. Inelastically scattered alpha-particles were measured at angles between 0-degrees and 4-degrees. The fission decay of the giant resonances, in particular, of the giant quadrupole resonance, is clearly observed in the coincidence data. Experimental fission probabilities are well described within the statistical model. The multipole strength, extracted from the angular distribution, is consistent with that obtained from singles (alpha, alpha') measurements if a background due to multistep processes is taken into account.

引用

页码：2272 / 2282

页数：11

共 29 条

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