Delayed Neutron Emission Probability Measurements

被引：0

作者：

Mathieu, L. ^{[1
]}

Serot, O. ^{[1
]}

Materna, T. ^{[2
]}

Bail, A. ^{[1
]}

Koester, U. ^{[2
]}

Faust, H. ^{[2
]}

Litaize, O. ^{[1
]}

Dupont, E. ^{[3
]}

Letourneau, A. ^{[3
]}

Panebianco, S. ^{[3
]}

Kratz, K. L. ^{[4
,5
]}

机构：

[1] DEN DER SPRC LEPh, CEA Cadarache, St Paul Les Durance, France

[2] Inst Laue Langevin, Grenoble, France

[3] CEA Saclay, DSM IRFU SPHn MNM, Saclay, France

[4] Virtuelles Inst Struktur Kerne & Nuklearer Astrop, Mainz, Germany

[5] Max Planck Inst Chem, Otto Hahn Inst, Mainz, Germany

来源：

4TH INTERNATIONAL WORKSHOP ON NUCLEAR FISSION AND FISSION-PRODUCT SPECTROSCOPY | 2009年 / 1175卷

关键词：

delayed neutron emission probability; P-n value; long-counter; neutron spectrometry; gamma spectrometry;

D O I：

暂无

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：

Some neutrons are emitted from fission fragments several seconds to several minutes after fission occurs. These delayed neutrons play a key role for the conduct and in safety aspects of nuclear reactors [1]. But the probabilities to emit such neutrons (P-n) are not well known. A summary of different database and compilation of P-n values is presented to show these discrepancies and uncertainties. Experiments are carried out at the Lohengrin mass spectrometer (at Institut Laue Langevin in Grenoble) and at the ISOLDE facility (CERN) in order to measure some P-n values. Two different techniques are used: either by using gamma-rays detection or neutron emission detection. These two techniques and some preliminary results are presented.

引用

页码：285 / +

页数：2

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