Table of Isotopes decay data

WWW Table of Radioactive Isotopes

209	Ra
88	Ra	121

Half life:

4.6 s 2

Jp:

5/2-

S_n (keV):

7.92E3 sy

S_p (keV):

2.81E3 sy

ENSDF citation:

NDS 63,723 (1991)

Literature cut-off date:

30-Jun-1991

Author(s):

M.J. Martin

References since cut-off:

²⁰⁹Ra decay from 1991-98 (NSR)


Decay properties:
Mode	Branching (%)	Q-value (keV)	References
a	~90	7147 50	67Va22
e+b⁺	~10	5.62E3 sy

Most Recent ENSDF Data (12/2002)
Mode	Data set name	Display data
a	209RA A DECAY
	Tables:
	ENSDF data:
	Java applets:
e+b⁺	209RA EC DECAY
	Tables:
	ENSDF data:
	Java applets:

Alphas from ²⁰⁹Ra (4.6 s 2)
Ea (keV)	Ia (%)

7008 5	99

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