List of levels for 210FR

Author: M. Shamsuzzoha Basunia | Citation: Nucl. Data Sheets 121, 561 (2014) | Cutoff date: 31-Mar-2014

²¹⁰Fr beam production: 2006St01, 2005Co02

E(level): From a least-squares fit to γ-ray energies.

J^π(level): From γ-ray feeding, except otherwise noted.

T_1/2(level): From (¹⁶O,3nγ):1, except otherwise noted. Systematic uncertainties up to 10% are not included in the quoted uncertainty.

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Conversion Coefficient	Additional Data
138.96	(5,6,7)+		138.9 1	M1	5.62	α=5.62, α(K)=4.53 7, α(L)=0.832 12, α(M)=0.198 3, α(N)=0.0520 8, α(O)=0.01162 17, α(P)=0.00186 3, α(Q)=0.0001040 15
244.20	(5,6,7)+		244.2 1	M1	1.149	α=1.149, α(K)=0.927 13, α(L)=0.1687 24, α(M)=0.0402 6, α(N)=0.01053 15, α(O)=0.00235 4, α(P)=0.000378 6, α(Q)=2.11×10^-5 3
363.69	(4 TO 8)+		224.7 1	M1	1.449	α=1.449, α(K)=1.168 17, α(L)=0.213 3, α(M)=0.0507 8, α(N)=0.01329 19, α(O)=0.00297 5, α(P)=0.000477 7, α(Q)=2.66×10^-5 4
525.71	(4 TO 8)+		281.4 1	M1	0.776	α=0.776, α(K)=0.627 9, α(L)=0.1137 16, α(M)=0.0271 4, α(N)=0.00709 10, α(O)=0.001586 23, α(P)=0.000254 4, α(Q)=1.420×10^-5 20
525.71	(4 TO 8)+		316.6 2	(E2)	0.1233	α=0.1233, α(K)=0.0623 9, α(L)=0.0452 7, α(M)=0.01191 17, α(N)=0.00312 5, α(O)=0.000660 10, α(P)=9.08×10^-5 13, α(Q)=1.496E-6 21
820.1	(8+)	10 ps +4-6	820.1 14	(E2)	0.01262	B(E2)(W.u.)=2.1 +13-9, α=0.01262, α(K)=0.00954 14, α(L)=0.00232 4, α(M)=0.000572 9, α(N)=0.0001498 22, α(O)=3.27E-5 5, α(P)=4.97E-6 8, α(Q)=2.06E-7 3

Q(β-)=-3793 keV 21	S(n)= 7636 keV 21	S(p)= 1693 keV 25	Q(α)= 6672 keV 5
Reference: 2012WA38

References:
A	²¹⁴Ac α decay	B	¹⁷⁶Yb(³⁷Cl,3nγ)
C	¹⁹⁷Au(¹⁶O,3nγ):1	D	¹⁹⁷Au(¹⁶O,3nγ):2

E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
0.0	A C D	6+	3.18 m 6 % ε = 40 30 % α = 60 30
0.0+X	B		0.36 µs 14
62.68 6	A			62.6 1	100		0.0	6+
138.96 7	A	(5,6,7)+		76.3 1 138.9 1	6 2 100 3	M1	62.68 0.0	6+
195.55 8	A			133.1 1 ? 195.5 1	37 12 100 4		62.68 0.0	6+
209.06 7	A C			146.4 1 209.0 1	59 3 100 3		62.68 0.0	6+
244.20 7	A	(5,6,7)+		181.4 1 244.2 1	13 11 100 6	M1	62.68 0.0	6+
333.00 10	A			333.0 1	100		0.0	6+
339.50 10	A			339.5 1	100		0.0	6+
346.40 10	A			346.4 1	100		0.0	6+
363.69 9	A	(4 TO 8)+		154.6 1 224.7 1 363.9 2	78 12 100 9 24 4	M1	209.06 138.96 0.0	(5,6,7)+ 6+
444.20 20	A			444.2 2	100		0.0	6+
525.71 7	A C	(4 TO 8)+		281.4 1 316.6 2 330.1 1 386.7 2 463.0 2 525.9 1	74 7 33 5 57 8 31 4 23 4 100 6	M1 (E2)	244.20 209.06 195.55 138.96 62.68 0.0	(5,6,7)+ (5,6,7)+ 6+
601.40 20	A			601.4 2	100		0.0	6+
622.50 20	A			622.5 2	100		0.0	6+
713.4 7	A			713.4 7	100		0.0	6+
729.1 23	C	(9-)	41 ns 2	203.4 23	100		525.71	(4 TO 8)+
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
753.7 7	A			753.7 7	100		0.0	6+
820.1 14	D	(8+)	10 ps +4-6	820.1 14	100	(E2)	0.0	6+
986 3	C	(11)		256.9 19	100	Q	729.1	(9-)
1342.7 21	D	(9+)	0.35 ps 6	522.6 21	100	(M1+E2)	820.1	(8+)
1506 4	C	(11)		519.6 20	100	D	986	(11)
1572.0 22	D	(10)		229.4 19 751.8 26	16.7 25 100 6	D Q	1342.7 820.1	(9+) (8+)
1687 4	C	(12)		700.5 24	100	D	986	(11)
1721.2 22	D	(10)		378.4 17 901.2 25	100 10 54 8	D Q	1342.7 820.1	(9+) (8+)
1731 4	C	(12)		225.4 17	100	D	1506	(11)
1803 4	C	(12)		816.8 26	100	D	986	(11)
1973.5 24	D	(11)		252.2 19 401.4 22	100 7 25 5	D D	1721.2 1572.0	(10) (10)
2058 3	D	(11)		486.4 20	100	D	1572.0	(10)
2073 4	C	(13)		270.7 15	100	D	1803	(12)
2178.2 25	D	(12)		204.7 18 606.4 21	37.8 22 100 4	D Q	1973.5 1572.0	(11) (10)
2288 3	D	(12)		109.5 20 715.6 21	25 7 100 7	Q	2178.2 1572.0	(12) (10)
2408 5	C	(12)		902.4 25	100	D	1506	(11)
2524 4	C	(13)		721.1 22 792.6 22	100.0 21 40 7	D D	1803 1731	(12) (12)
2610 5	C	(13)		923.4 25	100	D	1687	(12)
2853 5	C	(14)		329.7 19	100	D	2524	(13)
2884 4	D	(13)		596.4 24	100	D	2288	(12)
2952 5	C	(13)		544.2 21	100	D	2408	(12)
3081 4	D	(14)		197.4 18	100	D	2884	(13)
3359 5	C	(15)		505.3 17 834.7 23	21 3 100 8	D Q	2853 2524	(14) (13)
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
3443 5	C	(15)		589.2 21	100	D	2853	(14)
3648 5	C	(16)		289.3 20	100	D	3359	(15)
3766 5	C	(17)		118.6 18	100	D	3648	(16)
4253 6	C	(18)		486.2 19	100	D	3766	(17)
4539 6	C	(19)		285.9 15	100	D	4253	(18)
5292 6	C	(20)		753.9 17	100	D	4539	(19)

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 1 - ΔJ=1 sequence based on (11)
986 3	(11)
1803 4	(12)
2524 4	(13)		721.1 22 792.6 22	100.0 21 40 7	D D	1803 1731	(12) (12)
2853 5	(14)		329.7 19	100	D	2524	(13)
3359 5	(15)		505.3 17 834.7 23	21 3 100 8	D Q	2853 2524	(14) (13)
3648 5	(16)		289.3 20	100	D	3359	(15)
3766 5	(17)		118.6 18	100	D	3648	(16)
4253 6	(18)		486.2 19	100	D	3766	(17)
4539 6	(19)		285.9 15	100	D	4253	(18)
5292 6	(20)		753.9 17	100	D	4539	(19)
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	I(γ)	M(γ)	Final Levels
Band 2 - ΔJ=1 sequence based on (8⁺)
820.1 14	(8+)	10 ps +4-6
1342.7 21	(9+)	0.35 ps 6
1721.2 22	(10)		378.4 17 901.2 25	100 10 54 8	D Q	1342.7 820.1	(9+) (8+)
1973.5 24	(11)		252.2 19 401.4 22	100 7 25 5	D D	1721.2 1572.0	(10) (10)
2178.2 25	(12)		204.7 18 606.4 21	37.8 22 100 4	D Q	1973.5 1572.0	(11) (10)

E(level)	J^π(level)	T_1/2(level)	Comments
0.0	6+	3.18 m 6 % ε = 40 30 % α = 60 30	Q=+0.19 2, μ=+4.40 9 From α syst (1980Sc26). Others: 1996Vo14, 1996Si06. E(level): From α syst (1980Sc26). Others: 1996Vo14, 1996Si06.
333.00			E(level): Possible (unobserved) transition from this to a low-lying level.
339.50			E(level): Possible (unobserved) transition from this to a low-lying level.
346.40			E(level): Possible (unobserved) transition from this to a low-lying level.
444.20			E(level): Possible (unobserved) transition from this to a low-lying level.
601.40			E(level): Possible (unobserved) transition from this to a low-lying level.
622.50			E(level): Possible (unobserved) transition from this to a low-lying level.
713.4			E(level): Possible (unobserved) transition from this to a low-lying level.
753.7			E(level): Possible (unobserved) transition from this to a low-lying level.
820.1	(8+)	10 ps +4-6	E(level): ΔJ=1 sequence based on (8⁺). T_1/2(level): From (¹⁶O,3nγ):2, except otherwise noted. Systematic uncertainties up to 10% are not included in the quoted uncertainty.
986	(11)		E(level): ΔJ=1 sequence based on (11).
1342.7	(9+)	0.35 ps 6	E(level): ΔJ=1 sequence based on (8⁺). T_1/2(level): From (¹⁶O,3nγ):2, except otherwise noted. Systematic uncertainties up to 10% are not included in the quoted uncertainty.
1721.2	(10)		E(level): ΔJ=1 sequence based on (8⁺).
1803	(12)		E(level): ΔJ=1 sequence based on (11).
1973.5	(11)		E(level): ΔJ=1 sequence based on (8⁺).
2178.2	(12)		E(level): ΔJ=1 sequence based on (8⁺).
2524	(13)		E(level): ΔJ=1 sequence based on (11).
2853	(14)		E(level): ΔJ=1 sequence based on (11).
3359	(15)		E(level): ΔJ=1 sequence based on (11).
3648	(16)		E(level): ΔJ=1 sequence based on (11).
3766	(17)		E(level): ΔJ=1 sequence based on (11).
4253	(18)		E(level): ΔJ=1 sequence based on (11).
4539	(19)		E(level): ΔJ=1 sequence based on (11).
5292	(20)		E(level): ΔJ=1 sequence based on (11).

E(level)	E(gamma)	Comments
62.68	62.6	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
138.96	76.3	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
138.96	138.9	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay M(γ): ²¹⁴Ac α decay
195.55	133.1	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
195.55	195.5	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
209.06	146.4	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
209.06	209.0	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay M(γ): (M1⁺E2) in 2004Ku24 (²¹⁴Ac α decay), pure E2 not excluded
244.20	181.4	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
244.20	244.2	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay M(γ): ²¹⁴Ac α decay
333.00	333.0	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
339.50	339.5	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
346.40	346.4	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
363.69	154.6	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
	224.7	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay M(γ): ²¹⁴Ac α decay
	363.9	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
444.20	444.2	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
525.71	281.4	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay M(γ): ²¹⁴Ac α decay
	316.6	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
	330.1	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
	386.7	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
	463.0	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
	525.9	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
601.40	601.4	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
622.50	622.5	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
713.4	713.4	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
E(level)	E(gamma)	Comments
729.1	203.4	M(γ): (E1) in (¹⁶O,3nγ)
753.7	753.7	E(γ): ²¹⁴Ac α decay I(γ): ²¹⁴Ac α decay
820.1	820.1	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
1342.7	522.6	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
1572.0	229.4	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
1572.0	751.8	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
1721.2	378.4	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
1721.2	901.2	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
1973.5	252.2	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
1973.5	401.4	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
2058	486.4	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
2178.2	204.7	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
2178.2	606.4	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
2288	109.5	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2
2288	715.6	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
2884	596.4	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2
3081	197.4	E(γ): From (¹⁶O,3nγ):2 I(γ): From (¹⁶O,3nγ):2 M(γ): From (¹⁶O,3nγ):2