1987DUZU, 1988DU09, 1988DUZT, 1989MUZU: ¹⁷B(β^-n); measured β-delayed neutron spectra; deduced T_1/2, multi-neutron branching ratios.

1987MIZU, 1988SA04: ¹⁷B; measured β-decay T_1/2.

1995UEZZ, 1996UE02, 1996UEZZ: ¹⁷B(β^-); measured NMR; deduced μ.

1996RA02: ¹⁷B(β^-); measured β^--delayed E_n, E_γ, E_β, nγ-, nβ-coin, T_1/2; deduced log ft. ¹⁷C deduced levels, J, π.

1997YAZX: ¹⁷B(β^-), (n); measured β-ray asymmetry, E_n, E_γ, nβ-, nγ-coin; deduced I_β, log ft, B(GT). ¹⁷C deduced levels, J, π.

2002OG02: ¹⁷B(β^-); measured β-NMR spectra from polarized nuclei. ¹⁷B deduced quadrupole moment. ¹⁷C deduced g-factor, ground-state J, π.

2003ASZZ, 2003OG03: ¹⁷B(β^-); measured β-NMR spectra from polarized source. ¹⁷B deduced quadrupole moment.

Measured half-life for ¹⁷B(β^-)¹⁷C

Adopted value:
Measured values:	4.93 ± 0.19 ms	(1996RA02)
	5.9 ± 3.0 ms	(1991RE02)
	6 ± 2 ms	(1989LE16)
	5.08 ± 0.05 ms	(1988DU09)
	5.3 ± 0.6 ms	(1988SA04)

Previous Measurements

 

Atomic Mass (MeV)		Eβ-(max) (MeV)		Branching Ratio (%)
				Reference	Pn	P0n	P1n				P2n	P3n	P4n
(1985WA02)	44.01 ± 0.70 a	(1977AJ02)	23.1	(1988DU09)	85 ± 15	21 ± 2	63 ± 1				11 ± 7	3.5 ± 0.7	0.4 ± 0.3
(1987GI05)	42.82 ± 0.80	(1982AJ01)	23.3	(1989LE16)	70 ± 30
(1988WO09)	43.62 ± 0.17	(1986AJ04)	22.98	(1991RE02)	65 ± 35
(1991OR01)	43.90 ± 0.23			(1996RA02)			En (MeV)	Ei(17C) → Ef(17C)	Branching (%) b	log ft
							2.91 ± 0.05	3.82 ± 0.05 → 0	17.8 ± 1.4	4.91 ± 0.15
							1.80 ± 0.02	2.64 ± 0.02 → 0	29.6 ± 2.5	4.82 ± 0.14
							[1.43 ± 0.02] c	[2.25 ± 0.02] → [0]	[4.7 ± 1.5]	[5.66 ± 0.19]
							[0.42 ± 0.01] d	[1.18 ± 0.01] → [0]	[10.8 ± 3.0]	[5.41 ± 0.18]

a) Estimated value.

b) Normalized to 63 ± 1 % (1988DU09).

c) Peak is under broad shoulder, assignment suggested by peak fitting.

d) Suggested by energy spectrum.

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¹⁷N(β^-)¹⁷O Evaluated Data

¹⁷F(β⁺)¹⁷O Evaluated Data

¹⁷Ne(β⁺)¹⁷F Evaluated Data

A = 17 Beta-Decays Diagram

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Last modified: 04 June 2008