Table of Isotopes decay data

WWW Table of Radioactive Isotopes

91m	Nb
41	Nb	50

Half life:

60.86 d 22

E(level):

104.49 9 keV

Jp:

1/2-

S_n (keV):

12052 5

S_p (keV):

5158.8 24

Prod. mode:

Charged particle reaction

ENSDF citation:

NDS 60,835 (1990)

Literature cut-off date:

30-Jun-1990

Author(s):

H. -W. Muller

References since cut-off:

⁹¹Nb decay from 1990-98 (NSR)


Decay properties:
Mode	Branching (%)	Q-value (keV)
IT	93 4
e+b⁺	7 4	1253.4 24

Most Recent ENSDF Data (12/2002)
Mode	Data set name	Display data
IT	91NB IT DECAY (60.86 D)
	Tables:
	ENSDF data:
	Java applets:
e+b⁺	91NB EC DECAY (60.86 D)
	Tables:
	ENSDF data:
	Java applets:

TORI Data (1999) Gammas from ^91mNb (60.86 d 22)
Eg (keV)	Ig (%)	Decay mode

104.62 5	0.539 19	IT
1204.77 6	2.9	e+b⁺

X-rays from ^91mNb (60.86 d 22)
E (keV)	I (%)	Assignment

1.792	0.0051 9	Zr L_l
1.876	0.0027 4	Zr L_h
1.902	0.075 13	Nb L_l
1.996	0.031 5	Nb L_h
2.040	0.0122 19	Zr L_a2
2.042	0.110 17	Zr L_a1
2.124	0.059 9	Zr L_b1
2.163	0.18 3	Nb L_a2
2.166	1.7 3	Nb L_a1
2.171	0.00066 10	Zr L_b6
2.187	0.0034 9	Zr L_b4
2.201	0.0049 12	Zr L_b3
2.219	0.00077 12	Zr L_b2
2.257	0.69 11	Nb L_b1
2.304	0.0019 3	Zr L_g1
2.312	0.0101 16	Nb L_b6
2.319	0.061 15	Nb L_b4
2.335	0.087 22	Nb L_b3
2.367	0.051 8	Nb L_b2
2.461	0.031 5	Nb L_g1
2.503	0.00047 12	Zr L_g2
2.503	0.00094 24	Zr L_g3
2.664	0.0088 23	Nb L_g2
2.664	0.017 4	Nb L_g3
15.466	1.92E-05 8	Zr K_a3
15.691	1.27 4	Zr K_a2
15.775	2.44 9	Zr K_a1
16.288	2.46E-04 12	Nb K_a3
16.521	14.0 6	Nb K_a2
16.615	26.7 12	Nb K_a1
17.653	0.189 7	Zr K_b3
17.667	0.366 13	Zr K_b1
17.816	0.00163 8	Zr K_b5
17.969	0.075 3	Zr K_b2
17.995	0.0156 8	Zr K_b4
18.607	2.10 9	Nb K_b3
18.623	4.06 18	Nb K_b1
18.780	0.0195 11	Nb K_b5
18.952	0.85 4	Nb K_b2
18.982	0.189 11	Nb K_b4

Betas from ^91mNb (60.86 d 22)
Eb endpoint (keV)	Ib (%)	Decay mode

153.11	0.2 11	e
1357.89	0 3	e

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