Cluster emission amplification from nuclei at high angular momenta
Predictions for statistical decay of highly deformed nuclei using the Hauser-Feshbach formulation are presented including emission of clusters up to /sup 12/C. These calculations use the rotating liquid drop model to estimate deformation versus angular momentum. The algorithms used to compute transm...
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| Veröffentlicht in: | Phys. Rev. C; (United States) 1981-08, Vol.24 (2), p.426-439 |
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| container_title | Phys. Rev. C; (United States) |
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| creator | Blann, M. Komoto, T. T. |
| description | Predictions for statistical decay of highly deformed nuclei using the Hauser-Feshbach formulation are presented including emission of clusters up to /sup 12/C. These calculations use the rotating liquid drop model to estimate deformation versus angular momentum. The algorithms used to compute transmission coefficients for spherical and for deformed nuclei are presented, as well as results for several sets of calculations for A = 56 and 148 compound nuclei. Several different formulations are explored for computing decay rates of deformed nuclei. Large cluster emission amplification is predicted when deformation is considered, with consequent decrease in first chance fission. Qualitative comparisons are made with some heavy ion experiments which are consistent with these predictions, and types of experiments to verify the new cluster decay amplification mechanism are suggested. It is pointed out that the phase space dependence on deformation may prove valuable in interpreting some nonequilibrium heavy ion reaction results. |
| doi_str_mv | 10.1103/PhysRevC.24.426 |
| format | Article |
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Qualitative comparisons are made with some heavy ion experiments which are consistent with these predictions, and types of experiments to verify the new cluster decay amplification mechanism are suggested. 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C; (United States)</title><description>Predictions for statistical decay of highly deformed nuclei using the Hauser-Feshbach formulation are presented including emission of clusters up to /sup 12/C. These calculations use the rotating liquid drop model to estimate deformation versus angular momentum. The algorithms used to compute transmission coefficients for spherical and for deformed nuclei are presented, as well as results for several sets of calculations for A = 56 and 148 compound nuclei. Several different formulations are explored for computing decay rates of deformed nuclei. Large cluster emission amplification is predicted when deformation is considered, with consequent decrease in first chance fission. Qualitative comparisons are made with some heavy ion experiments which are consistent with these predictions, and types of experiments to verify the new cluster decay amplification mechanism are suggested. 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T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c266t-c982b8ad5ef95a91a5f08be368e3d7a26cd8cf62f23b38cd2a7b5539e38a5c783</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1981</creationdate><topic>653003 - Nuclear Theory- Nuclear Reactions & Scattering</topic><topic>653007 - Nuclear Theory- Nuclear Models- (-1987)</topic><topic>ALKALI METAL ISOTOPES</topic><topic>ALKALINE EARTH ISOTOPES</topic><topic>ALPHA DECAY RADIOISOTOPES</topic><topic>ANGULAR MOMENTUM</topic><topic>BERYLLIUM 8</topic><topic>BERYLLIUM 9</topic><topic>BERYLLIUM ISOTOPES</topic><topic>BORON 10</topic><topic>BORON ISOTOPES</topic><topic>CARBON 12</topic><topic>CARBON ISOTOPES</topic><topic>CHARGED-PARTICLE REACTIONS</topic><topic>CLUSTER MODEL</topic><topic>COMPOUND-NUCLEUS REACTIONS</topic><topic>DECAY</topic><topic>DEFORMED NUCLEI</topic><topic>EMISSION</topic><topic>EVEN-EVEN NUCLEI</topic><topic>EVEN-ODD NUCLEI</topic><topic>HAUSER-FESHBACH THEORY</topic><topic>HEAVY ION REACTIONS</topic><topic>ISOTOPES</topic><topic>LIFETIME</topic><topic>LIGHT NUCLEI</topic><topic>LIQUID DROP MODEL</topic><topic>LITHIUM 7</topic><topic>LITHIUM ISOTOPES</topic><topic>MATHEMATICAL MODELS</topic><topic>MATHEMATICAL SPACE</topic><topic>NUCLEAR MODELS</topic><topic>NUCLEAR PHYSICS AND RADIATION PHYSICS</topic><topic>NUCLEAR REACTIONS</topic><topic>NUCLEAR THEORY</topic><topic>NUCLEI</topic><topic>ODD-EVEN NUCLEI</topic><topic>ODD-ODD NUCLEI</topic><topic>PHASE SPACE</topic><topic>RADIOISOTOPES</topic><topic>SECONDS LIVING RADIOISOTOPES</topic><topic>SPACE</topic><topic>STABLE ISOTOPES</topic><topic>STATISTICAL MODELS</topic><toplevel>online_resources</toplevel><creatorcontrib>Blann, M.</creatorcontrib><creatorcontrib>Komoto, T. T.</creatorcontrib><creatorcontrib>Lawrence Livermore National Laboratory, Livermore, California 94550</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Phys. Rev. C; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Blann, M.</au><au>Komoto, T. T.</au><aucorp>Lawrence Livermore National Laboratory, Livermore, California 94550</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cluster emission amplification from nuclei at high angular momenta</atitle><jtitle>Phys. Rev. C; (United States)</jtitle><date>1981-08-01</date><risdate>1981</risdate><volume>24</volume><issue>2</issue><spage>426</spage><epage>439</epage><pages>426-439</pages><issn>0556-2813</issn><abstract>Predictions for statistical decay of highly deformed nuclei using the Hauser-Feshbach formulation are presented including emission of clusters up to /sup 12/C. These calculations use the rotating liquid drop model to estimate deformation versus angular momentum. The algorithms used to compute transmission coefficients for spherical and for deformed nuclei are presented, as well as results for several sets of calculations for A = 56 and 148 compound nuclei. Several different formulations are explored for computing decay rates of deformed nuclei. Large cluster emission amplification is predicted when deformation is considered, with consequent decrease in first chance fission. Qualitative comparisons are made with some heavy ion experiments which are consistent with these predictions, and types of experiments to verify the new cluster decay amplification mechanism are suggested. It is pointed out that the phase space dependence on deformation may prove valuable in interpreting some nonequilibrium heavy ion reaction results.</abstract><cop>United States</cop><doi>10.1103/PhysRevC.24.426</doi><tpages>14</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0556-2813 |
| ispartof | Phys. Rev. C; (United States), 1981-08, Vol.24 (2), p.426-439 |
| issn | 0556-2813 |
| language | eng |
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| source | American Physical Society Journals |
| subjects | 653003 - Nuclear Theory- Nuclear Reactions & Scattering 653007 - Nuclear Theory- Nuclear Models- (-1987) ALKALI METAL ISOTOPES ALKALINE EARTH ISOTOPES ALPHA DECAY RADIOISOTOPES ANGULAR MOMENTUM BERYLLIUM 8 BERYLLIUM 9 BERYLLIUM ISOTOPES BORON 10 BORON ISOTOPES CARBON 12 CARBON ISOTOPES CHARGED-PARTICLE REACTIONS CLUSTER MODEL COMPOUND-NUCLEUS REACTIONS DECAY DEFORMED NUCLEI EMISSION EVEN-EVEN NUCLEI EVEN-ODD NUCLEI HAUSER-FESHBACH THEORY HEAVY ION REACTIONS ISOTOPES LIFETIME LIGHT NUCLEI LIQUID DROP MODEL LITHIUM 7 LITHIUM ISOTOPES MATHEMATICAL MODELS MATHEMATICAL SPACE NUCLEAR MODELS NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEAR REACTIONS NUCLEAR THEORY NUCLEI ODD-EVEN NUCLEI ODD-ODD NUCLEI PHASE SPACE RADIOISOTOPES SECONDS LIVING RADIOISOTOPES SPACE STABLE ISOTOPES STATISTICAL MODELS |
| title | Cluster emission amplification from nuclei at high angular momenta |
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