175 Er
68 107
Half life: 1.2 m 3
Jp: (9/2+)
Decay mode: b-
Sn (keV): 4.7E3 sy
Sp (keV): 1.03E4 sy
Update: 22-Apr-1997, R.B. Firestone

Decay properties

Mode Branching (%) Q-value (keV)
b- 100 3.8E3 sy

Gammas from 175Er (1.2 m 3)

Eg (keV) Ig (%) Decay mode
2.7 8 b-
76.5 6 b-
120.9 6 ~35 b-
123.7 6 b-
128.5 6 >7 b-
227.3 6 ~12 b-
234.0 6 36 b-
281.4 6 ~18 b-
1167.5 6 ~54 b-

X-rays from 175Er (1.2 m 3)

E (keV) I (%) Assignment
6,341 0.28 3 Tm Ll
7,133 0.70 4 Tm La2
7,180 6.3 4 Tm La1
7,310 0.092 7 Tm Lh
8,026 0.35 5 Tm Lb4
8,102 4.3 3 Tm Lb1
8,176 0.072 4 Tm Lb6
8,231 0.54 8 Tm Lb3
8,468 1.23 8 Tm Lb2
9,437 0.78 6 Tm Lg1
9,730 0.110 18 Tm Lg2
9,779 0.16 3 Tm Lg3
49,274 0.0092 3 Tm Ka3
49,773 18.5 4 Tm Ka2
50,742 32.7 7 Tm Ka1
57,300 3.46 7 Tm Kb3
57,505 6.68 14 Tm Kb1
57,898 0.132 5 Tm Kb5
59,028 2.25 5 Tm Kb2
59,210 0.597 24 Tm Kb4

Betas from 175Er (1.2 m 3)

>Eb endpoint (keV) Ib (%) Decay mode
2508,7 49 b-
3160,6 19 b-
3442 32 b-