The most accurate determination of the 8B half-life
| Autor: | C. Sotty, I. Marroquin, Thomas Nilsson, S. Vinals, K. Riisager, J. D. Ovejas, H. O. U. Fynbo, Olof Tengblad, S. Smain, Jesper Hasseriis Mohr Jensen, P. Figuera, Enrique Nácher, R. Lica, María José García Borge, Ángel Perea, J. Benito, A. Gad, L. M. Fraile, Björn Jonson, M. Munch |
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| Přispěvatelé: | Ministerio de Economía y Competitividad (España), European Commission |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Physics
010308 nuclear & particles physics General Physics and Astronomy Half-life Value (computer science) 01 natural sciences Beta decay Measure (mathematics) Computational physics medicine.anatomical_structure 0103 physical sciences medicine Nuclear Physics - Experiment Física nuclear 010306 general physics Nucleus |
| Zdroj: | Viñals, S, Nácher, E, Tengblad, O, Benito, J, Borge, M J G, Figuera, P, Fraile, L M, Fynbo, H O U, Gad, A, Jensen, J, Jonson, B, Lica, R, Marroquín, I, Munch, M, Nilsson, T, Ovejas, J D, Perea, A, Riisager, K, Smain, S & Sotty, C 2020, ' The most accurate determination of the 8 B half-life ', Acta Physica Polonica B, vol. 51, no. 3, pp. 717-723 . https://doi.org/10.5506/APhysPolB.51.717 E-Prints Complutense: Archivo Institucional de la UCM Universidad Complutense de Madrid Digital.CSIC. Repositorio Institucional del CSIC instname E-Prints Complutense. Archivo Institucional de la UCM |
| DOI: | 10.5506/APhysPolB.51.717 |
| Popis: | 7 pags., 4 figs. -- Presented at the XXXVI Mazurian Lakes Conference on Physics, Piaski, Poland, September 1–7, 2019. 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 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. 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. |
| Databáze: | OpenAIRE |
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