|Author||Bouchard, G. H. (Jr.) ♦ Fairhall, A. W.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||PHYSICS ♦ ALPHA PARTICLES- - ALUMINUM- ANGULAR DISTRIBUTION- BEAMS- BERYLLIUM 7- CROSS SECTIONS- ENERGY RANGE- INTERACTIONS- NUCLEAR REACTIONS- PRODUCTION- TARGETS ♦ ALPHA PARTICLES- - ANGULAR DISTRIBUTION- BEAMS- BERYLLIUM 7- CROSS SECTIONS- ENERGY RANGE- INTERACTIONS- NUCLEAR REACTIONS- OXYGEN- PRODUCTION- TARGETS ♦ ALPHA PARTICLES- ALUMINUM 27- BEAMS- BERYLLIUM 7- CROSS SECTIONS- ENERGY RANGE- NUCLEAR REACTIONS- PRODUCTION- SODIUM 24- TARGETS ♦ ALPHA PARTICLES- BEAMS- BERYLLIUM 7- COPPER- CROSS SECTIONS- ENERGY RANGE- NUCLEAR REACTIONS- PRODUCTION- TARGETS ♦ ALPHA PARTICLES- BEAMS- BERYLLIUM 7- CROSS SECTIONS- - ENE|
|Abstract||The production of Be/sup 7/ in targets of oxygen aluminum and copper bombarded with 30- to 42-Mev He ions was studied using radiochemical techniques. At 40-Mev He-ion bombarding energy the formation cross sections are 1.4 mb, 0.22 mb, and 0.018 mb, respectively. For aluminum and oxygen targets the Be/sup 7/ fragments are emitted sharply forward, implying-a direct-interaction mechanism. Estimations of the energies of the Be/sup 7/ fragments, along with the observation that for Al/sup 27/ target the yield of Na/sup 24/ is equal to the yield of Be/sup 7/, suggests that in this particular case interaction involves the pickup of a He/sup 3/ fragment from the nucleus by the impinging He/sup 4/ ion with the deposition of less than 7 Mev of excitation energy in the Na/sup 24/ residual nucleus. (auth)|
|Learning Resource Type||Article|
|Publisher Department||Univ. of Washington, Seattle|
|Organization||Univ. of Washington, Seattle|
National Digital Library of India (NDLI) is a virtual repository of learning resources which is not just a repository with search/browse facilities but provides a host of services for the learner community. It is sponsored and mentored by Ministry of Education, Government of India, through its National Mission on Education through Information and Communication Technology (NMEICT). Filtered and federated searching is employed to facilitate focused searching so that learners can find the right resource with least effort and in minimum time. NDLI provides user group-specific services such as Examination Preparatory for School and College students and job aspirants. Services for Researchers and general learners are also provided. NDLI is designed to hold content of any language and provides interface support for 10 most widely used Indian languages. It is built to provide support for all academic levels including researchers and life-long learners, all disciplines, all popular forms of access devices and differently-abled learners. It is designed to enable people to learn and prepare from best practices from all over the world and to facilitate researchers to perform inter-linked exploration from multiple sources. It is developed, operated and maintained from Indian Institute of Technology Kharagpur.
NDLI is a conglomeration of freely available or institutionally contributed or donated or publisher managed contents. Almost all these contents are hosted and accessed from respective sources. The responsibility for authenticity, relevance, completeness, accuracy, reliability and suitability of these contents rests with the respective organization and NDLI has no responsibility or liability for these. Every effort is made to keep the NDLI portal up and running smoothly unless there are some unavoidable technical issues.
Ministry of Education, through its National Mission on Education through Information and Communication Technology (NMEICT), has sponsored and funded the National Digital Library of India (NDLI) project.
For any issue or feedback, please write to email@example.com