Table of Isotopes decay data

WWW Table of Radioactive Isotopes

218	At
85	At	133

Half life:

1.5 s 3

S_n (keV):

4372 14

S_p (keV):

5.03E3 sy

Prod. mode:

Naturally occurring

ENSDF citation:

NDS 76,457 (1995)

Literature cut-off date:

1-Aug-1995

Author(s):

Y.A. Akovali

References since cut-off:

²¹⁸At decay from 1995-98 (NSR)


Decay properties:
Mode	Branching (%)	Q-value (keV)
a	99.9	6874 3
b^-	0.1	2883 12

Most Recent ENSDF Data (12/2002)
Mode	Data set name	Display data
a	218AT A DECAY
	Tables:
	ENSDF data:
	Java applets:
b^-	218AT B- DECAY
	Tables:
	ENSDF data:
	Java applets:

Alphas from ²¹⁸At (1.5 s 3)
Ea (keV)	Ia (%)

6653 5	6.4
6693 3	90
6756 5	3.6

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