Published January 1999
| Version v1
Journal article
Energy dependence of 165Er level density at low energy of excitation
Creators
- 1. Gosudarstvennyj Nauchnyj Tsentr Rossijskoj Federatsii Fiziko-Ehnergeticheskij Institut, Obninsk (Russian Federation)
Description
Differential cross sections of neutron emission from 165Ho (p, n) 165Er reaction at the proton energy of 7 MeV are measured. Experimental results are analyzed in the framework of the statistical theory. The absolute 165Er level density and its main model parameters are determined. The obtained results are consistent with calculated data of low-lying levels and neutron resonances. It is shown that the energy dependence of the 165Er level density in the excitation energy range 2-5 MeV has the step structure predicted in the model calculations for systems with a fixed number of excited quasi-particles
Abstract (Russian)
Представлены результаты измерения дифференциальных сечений эмиссии нейтронов из реакции 165Ho (p, n) 165Er при энергии протонов 7 МэВ и их анализа в рамках статистической теории. Определена абсолютная плотность уровней 165Er и ее основные модельные параметры. Полученные результаты согласуются с данными по счету низколежащих уровней и нейтронных резонансов. Показано, что в энергетической зависимости плотности уровней 165Er в интервале энергии возбуждения 2-5 МэВ наблюдается ступенчатая структура, предсказанная в модельных расчетах для систем с фиксированным числом возбужденных квазичастицAdditional details
Additional titles
- Original title (Russian)
- Структура в энергетической зависимости плотности уровней
Publishing Information
- Journal Title
- Izvestiya Akademii Nauk. Rossijskaya Akademiya Nauk. Seriya Fizicheskaya
- Journal Volume
- 63
- Journal Issue
- 1
- Journal Page Range
- p. 148-152
- ISSN
- 1026-3489
- CODEN
- IRAFEO
Conference
- Title
- 48. International conference on nuclear spectroscopy and nuclear structure
- Original Conference Title
- 48. Mezhdunarodnoe soveshchanie po yadernoj spektroskopii i strukture atomnogo yadra
- Dates
- 16-19 Jun 1998
- Place
- Moscow (Russian Federation)
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 31035020
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ANGULAR DISTRIBUTION; DIFFERENTIAL CROSS SECTIONS; ENERGY DEPENDENCE; ENERGY-LEVEL DENSITY; ERBIUM 165; EXCITATION; EXCITED STATES; HOLMIUM 165 TARGET; MEV RANGE 01-10; NEUTRON SPECTRA; NEUTRONS; PROTON REACTIONS; SUPERFLUID MODEL
- Descriptors DEC
- BARYON REACTIONS; BARYONS; BETA DECAY RADIOISOTOPES; CHARGED-PARTICLE REACTIONS; CROSS SECTIONS; DISTRIBUTION; ELECTRON CAPTURE RADIOISOTOPES; ELEMENTARY PARTICLES; ENERGY LEVELS; ENERGY RANGE; ENERGY-LEVEL TRANSITIONS; ERBIUM ISOTOPES; EVEN-ODD NUCLEI; FERMIONS; HADRON REACTIONS; HADRONS; HOURS LIVING RADIOISOTOPES; INTERMEDIATE MASS NUCLEI; ISOTOPES; MATHEMATICAL MODELS; MEV RANGE; NUCLEAR MODELS; NUCLEAR REACTIONS; NUCLEI; NUCLEON REACTIONS; NUCLEONS; RADIOISOTOPES; RARE EARTH NUCLEI; SPECTRA; TARGETS
Optional Information
- Notes
- 11 refs., 3 figs.