Isbn: 9781288821556 - anomalous epsilon decay branching ratios (14 resultados)

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Taschenbuch. Condición: Neu. Neuware - E/B decay branching ratios were measured for decays from Eu, 14 3 1 4 39 Sm', and 1 4 39Gd- y -y triple coincidence experiments were performedto get relative positron feedings to respective daughter levels. X-y coincidence measurements were done for 1459Gd decay to obtain relative electron capture feedings and these feedings were inferred from singles intensities for 143Eu and 1439Sm decay. 143 The decay schemes of Eu and 1439Sm were also studied, and 12 143 levels were reported in Pm as well as 16 levels in 143Sm. Data were also gathered relevant to 14ompm decay and a B+ endpoint for 66Ga decay is reported.B decay theory is discussed in some-detail, especially concerning the implications of E/B decay branching ratios. It is shown that anomalous ratios can only occur for higher order terms 'in allowedtransitions or if a pseudoscalar force is present. Neither possibilities were hitherto eliminated experimentally. Among 15 measured £/B branching ratios, two were significantly anomalous. The transition to the 808.5 keV level in 145Eu was anomalous by a factor of 24 and the transition to the 1173.1 keV level in 143Pm was anomalous by a factor of 4.9. Each case'involved a similar hindered.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.…

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