THE DETERMINATION OF k0 – VALUES OF SOME DISCREPANT NUCLIDES USING STANDARD REFERENCE MATERIALS WITH NIRR-1 FACILITIES

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dc.contributor.authorAVAA, AUNGWA ABRAHAM
dc.date.accessioned2014-03-25T12:59:07Z
dc.date.available2014-03-25T12:59:07Z
dc.date.issued2011-06
dc.descriptionA THESIS SUBMITTED TO THE POSTGRADUATE SCHOOL AHMADU BELLO UNIVERSITY, ZARIA NIGERIA IN PARTIAL FULFILLMENT FOR THE AWARD OF MASTER OF SCIENCE IN PHYSICS DEPARTMENT OF PHYSICS AHMADU BELLO UNIVERSITY, ZARIA NIGERIA.en_US
dc.description.abstractThe k0 –values of the following nuclides (Ca-49, Ba-131, Cd-115, In-116m, Cd-116m2, Co-60, Cs-134, Ir-192, Hg-197, Se-75, Gd-153, Gd-159, Pd-109, Ag-110m, Tm-170, Re-186, Sm-153, S-36, U-239) suspected to have discrepant k0 –values were determined using Certified Reference Materials, (SMELS I, III and NIST 1633b Coal fly Ash). The result 1.10E-4 for 49Ca at 3084keV, 1.95E-5, 3.43E-6, 6.45E-5 for 131Ba at the energy of 373, 486, and 496keV 4.70E-4 for 115Cd at 528keV; 1.66E-1 for 153Sm at 103keV; 6.88E-3, 1.38E-3 for 75Se at 136 and 401.73keV respectively; 7.27E-1, 1.54E+0, 2.28E+0 for 116mIn at 418.9, 1097 and 1293keV respectively; 4.00E-2, 7.32E- 2, 4.67E-1, 3.93E-2 for 134Cs at 562, 569, 602 and 802keV respectively were gotten. The student t-test which is the statistical analysis was used to compare the result of this work with the recommended data. The result of the comparison at 5% confidences intervals showed no significance difference which reveals the accuracy of the k0- standardisation adopted in Nigeria Research Reactor -1 (NIRR-1).en_US
dc.identifier.urihttp://hdl.handle.net/123456789/4245
dc.language.isoenen_US
dc.subjectDETERMINATION,en_US
dc.subjectk0 – VALUES,en_US
dc.subjectDISCREPANT,en_US
dc.subjectNUCLIDES,en_US
dc.subjectSTANDARD,en_US
dc.subjectREFERENCE,en_US
dc.subjectMATERIALS,en_US
dc.subjectNIRR-1,en_US
dc.subjectFACILITIESen_US
dc.titleTHE DETERMINATION OF k0 – VALUES OF SOME DISCREPANT NUCLIDES USING STANDARD REFERENCE MATERIALS WITH NIRR-1 FACILITIESen_US
dc.typeThesisen_US
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