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9 a.m. – 7 p.m.
Phone: (843) 766-6635
Main Library
9 a.m. - 8 p.m.
Phone: (843) 805-6930
Folly Beach Library
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Phone: (843) 588-2001
John L. Dart Library
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St. Paul's/Hollywood Library
9 a.m. - 8 p.m.
Phone: (843) 889-3300
Mt. Pleasant Library
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Phone: (843) 849-6161
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Edgar Allan Poe/Sullivan's Island Library
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Edisto Library
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Wando Mount Pleasant Library
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STUDY OF SUPERHEAVY ELEMENTS.
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- Author(s): Hofmann, Sigurd1
- Source:
Nucleus. 2007, Issue 42, p52-56. 5p. 4 Graphs. - Source:
- Additional Information
- Alternate Title: ESTUDIO DE ELEMENTOS SUPERPESADOS.
- Subject Terms:
- Abstract: The nuclear shell model predicts that the next doubly magic shell-closure beyond 208Pb is at a proton number Z = 114, 120, or 126 and at a neutron number N = 172 or 184. The outstanding aim of experimental investigations is the exploration of this region of spherical 'SuperHeavy Elements' (SHEs). Experimental methods are described, which allowed for the identification of elements produced on a cross-section level of about 1 pb. The decay data reveal that for the heaviest elements, the dominant decay mode is alpha emission, not fission. Decay properties as well as reaction cross-sections are compared with results of theoretical investigations. [ABSTRACT FROM AUTHOR]
- Abstract: El modelo nuclear de capas predice que el próximo nivel doblemente mágico más allá de 208Pb ocurre para un número atómico Z = 114, 120 o 126 y para un número de neutrones N = 172 o 184. El objetivo más importante de estos experimentos es la exploración de la región de elementos superpesados esféricos. En el trabajo se describen los métodos experimentales que permitieron identificar los elementos producidos para un valor de la sección eficaz de aproximadamente 1 pb. Los datos de decaimiento revelan que para los elementos más pesados el modo dominante es la emisión alfa y no la fisión. Las propiedades de decaimiento así como las secciones eficaces se comparan con resultados de estudios teóricos. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Nucleus is the property of Editorial Centro de Gestion de la Informacion y Desarrollo de la Energia (CUBAENERGIA) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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