1949HU19: ¹⁰Be.

1951LI26: ¹⁰Be.

1972EM01: ¹⁰Be; measured T_1/2.

1972MC26: ¹⁰Be; measured T_1/2.

1972YI01: ¹⁰Be; measured T_1/2.

1993MI26: ¹⁰Be(β^-); analyzed ¹⁰Be isotope ratio data; deduced T_1/2.

2007GR05: ¹⁰Be(β^-); measured E_β; deduced shape-factor functions, cutoff energy yields, maximum-point energies.

2010CH18: ¹⁰Be(β^-); measured electron spectrum; deduced ¹⁰Be activity, T_1/2.

2010KO19: ¹⁰Be(β^-); measured electron spectrum; deduced ¹⁰Be activity, T_1/2.

Measured half-life for ¹⁰Be(β^-)¹⁰B

Recommended value (August, 2015):	(1.51 ± 0.06) × 106 y
Summary Table of Uncertainty Analysis:	(PDF)
Measured values:	(1.53 ± 5%) × 106 y	(1993MI26)
	(1.48 ± 5%) × 106 y	(1993MI26)
	(1.51 ± 0.06) × 106 y	(1987HO1P)
	(1.6 ± 0.2) × 106 y	(1972EM01)
	(1.7 ± 0.4) × 106 y	(1972MC26)
	(1.5 ± 0.3) × 106 y	(1972YI01)
	(2.5 ± 0.5) × 106 y	(McMillan, Phys. Rev. 72 (1947) 591) (Excluded)
	(2.9 ± 0.5) × 106 y	(1947HU03) (Excluded): see also (1949HU19).

Previous Measurements

 

Log ft		Eβ(max) (keV)
(1951FE1A)	13.65	(1949HU19)	570 ± 10
a	13.42	(1951LI26)	556 ± 3
b	13.397 ± 0.017	c	560 ± 10
d	13.396 ± 0.012

a) B. Zimmerman and G. Fox, private communication to Fay Ajzenberg-Selov (1974AJ01).

b) M.J. Martin, private communication to Fay Ajzenberg-Selov (1988AJ01).

c) See (McMallin, Phys. Rev. 72 (1947) 591).

d) See (2004TI06).

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A = 10 Beta-Decays Diagram

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Last modified: 26 August 2019