학술논문

THE MOST ACCURATE DETERMINATION OF THE 8B HALF-LIFE.
Document Type
Article
Source
Acta Physica Polonica B. 2020, Vol. 51 Issue 3, p717-723. 7p.
Subject
*BETA decay
*INFORMATION resources
*DETECTORS
Language
ISSN
0587-4254
Abstract
Beta decay is a primary source of information of the structure of a nucleus. An accurate measurement of the half-life of a nucleus is essential for the proper determination of the reduced Gammow–Teller transition probability B(GT). In this work, we present an experiment using a compact set-up of Si-telescope detectors to measure the half-life of the 8B nucleus. Three independent measurements have been analysed, obtaining the values 771.9(17) ms, 773.9(18) ms, and 770.9(27) ms. The value of the half-life obtained as the weighted averaged with the previous published measures is 771.17(94) ms which is a factor 3.2 of improvement in the uncertainty of the half-life. [ABSTRACT FROM AUTHOR]