Studies of Nuclear Structure by Electron-gamma Directional Correlation and Coincidence Measurements PDF Download
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Author: Mohamed Saad Ahmed El-Nesr
Publisher:
ISBN:
Category : Nuclear structure
Languages : en
Pages : 20
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Book Description
Author: Mohamed Saad Ahmed El-Nesr
Publisher:
ISBN:
Category : Nuclear structure
Languages : en
Pages : 20
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Book Description
Author: Mohamed S. el- Nesr
Publisher:
ISBN:
Category :
Languages : en
Pages : 15
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 15
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Book Description
Author: Bo-Göran Pettersson
Publisher:
ISBN:
Category : Electrons
Languages : en
Pages : 20
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Book Description
Author: Hans van Krugten
Publisher: Springer Science & Business Media
ISBN: 9401177317
Category : Technology & Engineering
Languages : en
Pages : 657
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Book Description
In 1969 we feit that the subject of angular correlations in nuclear disintegrat ion had received little special attention at international conferences. It is true that perturbed angular correlations had been discussed at a smalI, highly - specialised meeting at Uppsala in 1963 and that in 1967 certain aspects of perturbed angular correlations had been considered at a conference on hyperfine structure at Asilomar. However, both conferences were very limited in scope from the point of view of a low - energy nuclear physicist. Besides, since these conferences were being held, the field of perturbed ?ngular correlations had received new impetus from the still ex panding application of the implantation of radioactive isotopes in suitable environ ments, from the construction of large superconductive magnets, etc. Meanwhile, the technique of measuring correlations between beta particles and circularly polarized gamma rays had been developed to such a degree that they lent themselves to the in vestigation of beta decay, nuclear structure and charge dependence of nuclear forces. The systematic study of heavy elements had increased the import an ce of alpha-gamma angular correlations which present their own specific problems. Theoretical internal conversion data had become available to such an extent that electron -gamma direct ional correlations became an important tool in the investigation of nuclear structure: in a large number of cases it is more advantageous to study electron -gamma corre lations instead of the commonly measured gamma -gamma directional correlations.
Author: Benny Sundström
Publisher:
ISBN:
Category :
Languages : en
Pages : 38
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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The decay schemes of the isomers of Tc/sup 95/ and Tc/sup 97/ were studied by using high-resolution conversionelectron spectrographs, gamma-ray scintillation detectors, and coincidence techniques. The half life of the 74.6- kev excited state in Np/sup 239/ was measured by the delayed coincidence technique as 1.2 plus or minus 0.1 m mu scc. The directional correlations of two gamma-ray cascades following the beta decay of U/sup 237/ to Np/sup 237/ were studied and the results were found to be consistent with previous assignments of the total angular momenta of the excited states. An upper limit on the half life of the 332-kev excited state in Np/sup 237/ was determined to be 1.0 M mu sec. Electron-electron coincidence measurements were performed on the beta decay of Pa/ sup 233/. The transmission of one-half of the original electron-electron coincidence spectrometer was increased by a factor of six without sacrificing resolution. This increased transmission was achieved by converting the original thin-lens magnetic field to a thick-lens triangular magnetic field. (auth).
Author: Joseph Hamilton
Publisher: Elsevier
ISBN: 0323143245
Category : Science
Languages : en
Pages : 698
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Book Description
Internal Conversion Processes documents the proceedings of the International Conference on the Internal Conversion Process held at Vanderbilt University, Nashville, Tennessee on May 10-13, 1965. This compilation discusses the internal conversion theory; experimental methods for the determination of internal conversion coefficients; and conversion electron-gamma directional correlation. Other topics include the application of the internal-external conversion (IEC) method to the lens-type spectrometer; anomalies of E2 conversion coefficients in the deformed-nucleus region; and conversion coefficients of mixed E2-M1 rotational transitions. The anomalous El conversion; internal conversion electrons from primary fission fragments; particle parameters measured in pure transitions; and survey of El transitions in the rare earth region are also discussed in this book. This publication is a good reference for nuclear physicists and researchers conducting work on the various types of measurements that involve internal conversion electrons.
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1146
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Book Description
Author: Hans van Krugten
Publisher: Springer
ISBN: 9789401177320
Category : Technology & Engineering
Languages : en
Pages : 636
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Book Description
In 1969 we feit that the subject of angular correlations in nuclear disintegrat ion had received little special attention at international conferences. It is true that perturbed angular correlations had been discussed at a smalI, highly - specialised meeting at Uppsala in 1963 and that in 1967 certain aspects of perturbed angular correlations had been considered at a conference on hyperfine structure at Asilomar. However, both conferences were very limited in scope from the point of view of a low - energy nuclear physicist. Besides, since these conferences were being held, the field of perturbed ?ngular correlations had received new impetus from the still ex panding application of the implantation of radioactive isotopes in suitable environ ments, from the construction of large superconductive magnets, etc. Meanwhile, the technique of measuring correlations between beta particles and circularly polarized gamma rays had been developed to such a degree that they lent themselves to the in vestigation of beta decay, nuclear structure and charge dependence of nuclear forces. The systematic study of heavy elements had increased the import an ce of alpha-gamma angular correlations which present their own specific problems. Theoretical internal conversion data had become available to such an extent that electron -gamma direct ional correlations became an important tool in the investigation of nuclear structure: in a large number of cases it is more advantageous to study electron -gamma corre lations instead of the commonly measured gamma -gamma directional correlations.
