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Download or read book THE COMPLEX ALPHA SPECTRA OF THE HEAVY ELEMENTS (thesis). written by and published by . This book was released on 1953 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Francesco Asaro
Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Complex Alpha Spectra of the Heavy Elements written by Francesco Asaro and published by . This book was released on 1953 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 358 pages
Book Rating : 4.3/5 (91 download)
Download or read book Isotopic Power Sources ... written by and published by . This book was released on 1961 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Application of Alpha Spectrometry to the Discovery of New Elements by Heavy-ion-beam Bombardment written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Starting with polonium in 1898, .cap alpha.-spectrometry has played a decisive role in the discovery of new, heavy elements. For even-even nuclei, .cap alpha.-spectra have proved simple to interpret and exhibit systematic trends that allow extrapolation to unknown isotopes. The early discovery of the natural .cap alpha.-decay series led to the very powerful method of genetically linking the decay of new elements to the well-established .cap alpha.-emission of daughter and granddaughter nuclei. This technique has been used for all recent discoveries of new elements including Z = 109. Up to mendelevium (Z = 101), thin samples suitable for .cap alpha.-spectrometry were prepared by chemical methods. With the advent of heavy-ion accelerators new sample preparation methods emerged. These were based on the large momentum transfer associated with heavy-ion reactions, which produced energetic target recoils that, when ejected from the target, could be thermalized in He gas. Subsequent electrical deposition or a He-jet technique yielded samples that were not only thin enough for .cap alpha.-spectroscopy, but also for .cap alpha.- and .beta.-recoil experiments. Many variations of these methods have been developed and are discussed. For the synthesis of element 106 an aerosol-based recoil transport technique was devised. In the most recent experiments, .cap alpha.-spectrometry has been coupled with the magnetic analysis of the recoils. The time from production to analysis of an isotope has thereby been reduced to 10−6 s; while it was 10−1 to 10° s for He-jets and 101 to 103 s for rapid chemical separations. Experiments are now in progress to synthesize super heavy elements (SHE) and to analyze them with these latest techniques. Again, .cap alpha.-spectrometry will play a major role since the expected signature for the decay of a SHE is a sequence of .cap alpha.-decays followed by spontaneous fission.
Author : University of California (1868-1952)
Publisher :
ISBN 13 :
Total Pages : 1334 pages
Book Rating : 4.:/5 (313 download)
Download or read book Register of the University of California written by University of California (1868-1952) and published by . This book was released on 1953 with total page 1334 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ALPHA-DECAY STUDIES IN THE HEAVY-ELEMENT REGION (thesis). written by and published by . This book was released on 1956 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Using primarily a 75-cm radius of curvature 60 deg symmetrical electromagnetic analyzer, a study of the complexity of the following alpha spectra was made: Es253, Cf246, Cm244, Am243, Pu/sup 236,242/, Pa231, Th/sup 227,230/, Ac225, At2°9 and Po2°6. An investigation of the gamma rays associated with the following isotopes was also madei 236, and Pa231. Decay schemes have been suggested for most of the isotopes included in this study. Those for the even-even isotopes were found to conform well with the previously existing systematics for that group of nuclides. Many of the decay features of the odd-mass isotopes seemed to conform well with presently expanding theories. (auth).
Author : Max Wilmer Hill
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nuclear Decay Studies of Protactinium Isotopes written by Max Wilmer Hill and published by . This book was released on 1959 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : University of California, Berkeley
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (313 download)
Download or read book Commencement written by University of California, Berkeley and published by . This book was released on 1953 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Chemical Society. Committee on Professional Training
Publisher :
ISBN 13 :
Total Pages : 266 pages
Book Rating : 4.3/5 (91 download)
Download or read book Faculties, Publications, and Doctoral Theses in Chemistry and Chemical Engineering at United States Universities written by American Chemical Society. Committee on Professional Training and published by . This book was released on 1953 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 564 pages
Book Rating : 4.3/5 ( download)
Download or read book List written by and published by . This book was released on 1948 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carl Phillip Ruiz
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.3/5 (91 download)
Download or read book Alpha Decay Studies in the Families of the Light Uranium Isotopes written by Carl Phillip Ruiz and published by . This book was released on 1961 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1500 pages
Book Rating : 4.3/5 (121 download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1953 with total page 1500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Defense Documentation Center (U.S.)
Publisher :
ISBN 13 :
Total Pages : 922 pages
Book Rating : 4.3/5 (91 download)
Download or read book Subject Index to Unclassified ASTIA Documents written by Defense Documentation Center (U.S.) and published by . This book was released on 1960 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Thermal Neutron [Nu] for Pu241 PDF Online Free](https://books.google.com/books/content/images/frontcover/qJVsHofJ8QQC?fife=w200-h370)
Author : Arthur H. Haffey
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.3/5 (91 download)
Download or read book Thermal Neutron [Nu] for Pu241 written by Arthur H. Haffey and published by . This book was released on 1955 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yutaka Hirai
Publisher : Springer
ISBN 13 : 9811378843
Total Pages : 135 pages
Book Rating : 4.8/5 (113 download)
Download or read book Understanding the Enrichment of Heavy Elements by the Chemodynamical Evolution Models of Dwarf Galaxies written by Yutaka Hirai and published by Springer. This book was released on 2019-04-30 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses the mechanism of enrichment of heavy elements in galaxies, a long standing problem in astronomy. It mainly focuses on explaining the origin of heavy elements by performing state-of-the-art, high-resolution hydrodynamic simulations of dwarf galaxies. In this book, the author successfully develops a model of galactic chemodynamical evolution by means of which the neutron star mergers can be used to explain the observed abundance pattern of the heavy elements synthesized by the rapid neutron capture process, such as europium, gold, and uranium in the Local Group dwarf galaxies. The book argues that heavy elements are significant indicators of the evolutionary history of the early galaxies, and presents theoretical findings that open new avenues to understanding the formation and evolution of galaxies based on the abundance of heavy elements in metal-poor stars.
Author :
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.0/5 ( download)
Download or read book Technical Reports Series written by and published by . This book was released on 1986 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Philip Hummel
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.:/5 (28 download)
Download or read book Alpha Decay Studies in the Heavy Element Region written by John Philip Hummel and published by . This book was released on 1956 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
