Statistical Properties of Nuclei (eBook, PDF)

Proceedings of the International Conference on Statistical Properties of Nuclei, held at Albany, New York, August 23-27, 1971
Redaktion: Garg, J.

• Format: PDF

Produktbeschreibung

An International Conference on the "Statistical Properties of Nuclei" was held from August 23 to August 27, 1971, at the State University of New York at Albany campus. The purpose of the conference was to review the current status of the experimental and theoretical aspects of resonance reaction theories, statistics of resonance parameters such as level spacings, neutron, fission, radiative and reaction widths, level densities, fluctuations in cross sections, strength functions and its relation to the optical model, intermediate structure in particle and photon induced reactions, and statistical aspects of the decay of the compound nucleus. The conference was held under the auspices of the Inter national Union of Pure and Applied Physics. The organization of the conference was greatly facilitated by the financial support received from the International Union of Pure and Applied Physics, The National Science Foundation and the U.S. Atomic Energy Commission and the generous use of the physical facilities and other audio-visual services provided by the State University of New York. It is with great pleasure that I thank all tbese agencies for their kind support.

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Produktdetails

• Verlag: Springer New York
• Seitenzahl: 665
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9781461586661
• Artikelnr.: 44053938

Inhaltsangabe

I Introductory Session.- Welcome Address.- Introductory Talk.- Survey of Resonance Reaction Theories.- Unitary Parametrization of Nuclear Reactions.- II Analysis of Resonance Reaction Experiments.- High Resolution Neutron Cross Sections.- High Resolution Neutron Resonance Spectroscopy in Natural Fluorine, Aluminum, Chlorine, and Potassium.- Comparison of Feshbach and R-Matrix Reaction Theories for 12C(n,n)12C.- High Resolution Proton Resonance Reactions.- Nuclear Spectroscopy Utilizing an (Alpha, Nucleon) Resonance Reaction.- III Statistics of Resonance Parameters (Part I).- Fluctuation in Charged Particle Cross Sections.- Coherence Widths in Highly Excited Compound Nuclei.- Distribution of Neutron and Fission Widths.- Level Spacings, Correlation Functions and Statistics.- Some Properties of Level Spacing Distributions.- Recent Experimental Neutron Resonance Spectroscopy Results as a Test of Statistical Theories of Short and Long Range Order for Level Spacing.- Deviations from the Statistical Description of Neutron Level Spacing Distributions and Stabilizing Effects of Nuclear Shells in Positions of Nuclear Excited States.- IV Statistics of Resonance Parameters (Part II).- Measurement of Radiative Capture Widths.- Investigation of the Capture Gamma-Ray Spectra for Individual Resonances in the 169Tm(n,y) Reaction.- Decay Properties of Nuclear Levels Populated by the (?,??) Reaction.- The 5.5 MeV Anomalous Radiation in 205Tl (n,?)206Tl.- Correlations between Partial Widths of Different Channels.- In Search of Non-statistical Effects in Neutron Capture.- Channel Correlation Effects for Fragmented Analog States.- V Average Resonance Parameters.- Strength Functions and Intermediate Structure.- Average Total Neutron Cross Sections of Heavy Elements at 2.7 keV.- ResonanceParameters and the Optical Model.- Compound Nucleus Effects in 24Mg + ? Elastic Scattering at 20-23 MeV.- Structure in the (n,n?) Cross-Sections of Se Isotopes.- S- and P- Wave Strength Functions and the Spin, Isospin and Spin-Orbit Dependence of the Optical Potential.- VI Nuclear Level Density.- A Survey of Nuclear Level Density Theories.- Distribution Theory of Nuclear Level Density and Related Quantities.- Experimental and Theoretical Nuclear Level Densities.- J-Dependence of Level Density in 180Hf and 178Hf from Statistical Properties of Series of Resonances with Assigned Spin.- Fluctuation Analysis of Total Neutron Cross Sections.- VII Decay of the Compound Nucleus.- Evaporation Spectra.- Yields of the K Isomer, Beta, and Ground Bands in Yb(?, xn?) 174Hf Reactions.- Products of the Reaction 12C + 209Bi.- Yrast Trapping in Heavy Ion Compound Nucleus Reactions.- The Role of Angular Momentum and Isobaric Spin in Tests of the Independence Hypothesis.- Compound Nucleus Reactions between Oxygen Ions and 18O, 12C, and 14C Targets.- Compound Nuclear Lifetimes from Blocking Experiments in Ge and Mo.- VIII Limitations of the Compound Nucleus.- Intermediate Structure.- Evidence for Intermediate Structure near an Isobaric Analogue Resonance.- Intermediate Structures in the Neutron Scattering Cross Sections of Iron.- 1/2+ Particle-Vibration Doorways in Compound Nuclei Pb209 and Pb207.- Intermediate Structure in Photon Induced Reactions.- Ground-State Radiation Widths for Resonant States in 57Fe.- Threshold Photoneutrons and Photon Doorways.- XI Conclusion of the Conference Round Table Discussion of Selected Topics.- Discussion.- ELEMENT INDEX.- LIST OF CONTRIBUTED PAPERS.