CERN Accelerating science

Article
Report number	arXiv:0906.5571
Title	The $\beta-\gamma$ decay of $^{21}$Na
Related title	The beta-gamma decay of 21Na
Author(s)	Achouri, N.L. (Caen U.) ; Angelique, J.C. (Caen U.) ; Ban, G. (Caen U.) ; Bastin, B. (Caen U.) ; Blank, B. (CENBG, Gradignan) ; Dean, S. (Groningen U.) ; Dendooven, P. (Groningen U.) ; Giovinazzo, J. (CENBG, Gradignan) ; Grevy, S. (GANIL) ; Jungmann, K. (Groningen U.) ; Laurent, B. (Caen U.) ; Lienard, E. (Caen U.) ; Naviliat-Cuncic, O. (Caen U.) ; Orr, N.A. (Caen U.) ; Rogachevskiy, A. (Groningen U.) ; Sohani, M. (Groningen U.) ; Traykov, E. (Groningen U.) ; Wilschut, H. (Groningen U.)
Publication	2009
Imprint	01 Jul 2009
Number of pages	13
Note	Comments: 13 pages, 9 figures Submitted to: Journal of Physics G: Nuclear and Particle Physics 12 pages, 10 figures Published online in Journal of Physics G: Nuclear and Particle Physics
In:	J. Phys. G 37 (2010) 045103
DOI	10.1088/0954-3899/37/4/045103
Subject category	Nuclear Physics - Experiment
Accelerator/Facility, Experiment	CERN SPS ; NA45-2
Abstract	A new and independent determination of the Gamow-Teller branching ratio in the beta-decay of 21Na is reported. The value obtained of 5.13 +- 0.43 % is in agreement with the currently adopted value and the most recent measurement. In contrast to previous experiments, the present method was based on the counting of the parent 21Na ions and the resulting 351 keV gamma-rays without coincident beta-particle detection.
Copyright/License	arXiv nonexclusive-distrib. 1.0

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