The most accurate determination of the 8B Half-life


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Benito García, Jaime and Fraile Prieto, Luis Mario and otros, ... (2020) The most accurate determination of the 8B Half-life. Acta Physica Polonica B, 51 (3). pp. 717-723. ISSN 0587-4254

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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 B-8 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.

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Artículo firmado por 20 autores. Work partially supported by the Spanish research grant FPA2015-64969-P, FPA2017-83946-C2-1-P and FPA2017-87568-P (MINECO/FEDER/EU) and the grant ENSAR2 from the H2020 program of the European Union under grant agreement No. 654002.

Uncontrolled Keywords:Physics, Multidisciplinary
Subjects:Sciences > Physics > Nuclear physics
ID Code:62592
Deposited On:20 Oct 2020 09:40
Last Modified:20 Oct 2020 11:58

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