List of levels for 89SR

Author: Balraj Singh | Citation: Nucl. Data Sheets 114, 1 (2013) | Cutoff date: 20-Oct-2012

⁸⁹Sr isotope produced and identified in bombardment of Sr with deuterons by 1937St01 (also 1939St01), and fission of uranium by neutrons (1939Li10), followed by measurement of half-life. Later studies of decay of ⁸⁹Sr: 1946Gr06, 1949Go20, 1955He81, 1959Os37, 1965An07, 1971Ba28, 1972La14, 1982Me04, 1990Sc08, 1998Sc09, 2002Al02, 2005Am01, and several others.

Structure calculations (selected): 2010Ro27, 2002Gr16, 1996Ja24, 1994He43, 1987LiZR, 1986He14

Other reaction:

Resonances from (n,n),(n,γ): in ’⁸⁸Sr(n,n),(n,γ):Resonances’ dataset. 440 resonances are listed where the excitation energies range from 6370.99 to 7296.26 keV corresponding to resonance (lab) energies of 12.41 to 948.2 keV. Resonance parameters are listed there.

Q-value: Note: Current evaluation has used the following Q record 1500.9 256358.72 9 10888.8 11 -7153.423 2011AuZZ

Q-value: S(2n)=17471.35 18, S(2p)=20077.2 11 (2011AuZZ)

Q-value: Values in 2003Au03: Q(β^-)=1492.6 26, S(n)=6358.72 9, S(p)=10889.1 11, Q(α)=-7153.8 22, S(2n)=17471.36 18, S(2p)=20077.7 11

E(level): From least-squares fit to Eγ data for levels populated in γ-ray studies and, generally, from (d,p) for levels populated in transfer reaction studies only. In addition 439 neutron resonances give levels in the range from 6370.99 to 7296.26 keV, mostly with spins of 1/2 and 3/2 (from s-, p-, d- wave resonances). These levels are not listed here. See ⁸⁸Sr(n,n),(n,γ):resonances dataset for details

T_1/2(level): From ΔS(a) in (α,nγ) (1981Wa10) for levels above 1032

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ) (keV)	Multipolarity	Mixing Ratio	Additional Data
1032.00	1/2+	> 1 ps	1031.95 5	[E2]		B(E2)(W.u.)<20
1473.35	(7/2)+	0.26 ps 10	1473.30 7	M1+E2	+0.75 7	B(E2)(W.u.)=4.8 20, B(M1)(W.u.)=0.017 7
1940.19	5/2+	0.19 ps 5	466.62 15	M1+E2	+0.18 8	B(E2)(W.u.)=31 +32-21, B(M1)(W.u.)=0.19 7
1940.19	5/2+	0.19 ps 5	1940.15 6	M1+E2	-0.45 17	B(E2)(W.u.)=0.6 5, B(M1)(W.u.)=0.011 4
2007.59	3/2+	0.10 ps 4	2007.56 8	M1+E2	-0.8 +5-8	B(E2)(W.u.)=2.8 25, B(M1)(W.u.)=0.016 11
2061.5	(9/2+)	0.21 ps 6	588.1	(M1+E2)	+0.01 3	B(M1)(W.u.)=0.045 13
2061.5	(9/2+)	0.21 ps 6	2061.6	[E2]		B(E2)(W.u.)=2.8 8
2079.0	11/2-	0.33 ns 7	2079.4 1	[E3]		B(E3)(W.u.)=47 10
2451.64	3/2+		1419.56 8	(M1+E2)	-0.6 4
2451.64	3/2+		2451.65 11	(M1(+E2))	+0.18 LT
2675	7/2+		1202	(M1+E2)	+2.5 +10-6
2675	7/2+		2675	(M1+E2)	-7 2
2930.5	9/2(+)	0.15 ps 5	852	[E1]		B(E1)(W.u.)=0.0011 4
2930.5	9/2(+)	0.15 ps 5	1457.0	(M1+E2)	-0.24 6	B(E2)(W.u.)=0.9 6, B(M1)(W.u.)=0.031 11
3388.1	15/2-	> 7 ps	1309.3 1	E2		B(E2)(W.u.)<0.89
3524.3	13/2-	0.39 ps 12	1445.3	M1+E2	+0.67 15	B(E2)(W.u.)=3.0 14, B(M1)(W.u.)=0.013 5
3599.0	(11/2+)	0.43 ps 12	1520.0	(E1)		B(E1)(W.u.)=0.00022 7
3672.1	(15/2-)	2.4 ps +27-8	1593.2 3	[E2]		B(E2)(W.u.)=0.4 2
3750.7	17/2-		362.4 1	M1(+E2)	+0.01 3
4208.8	(19/2)-		458.0 1	M1+E2	+0.41 5

Q(β-)=1500.4 keV 24	S(n)= 6358.72 keV 9	S(p)= 10888.7 keV 11	Q(α)= -7153.3 keV 23
Reference: 2012WA38

References:
A	⁸⁹Rb β^- decay (15.32 M)	B	⁸²Se(¹¹B,p3nγ)
C	⁸⁶Kr(α,nγ)	D	⁸⁷Sr(t,p)
E	⁸⁸Sr(n,γ) E=TH	F	⁸⁸Sr(n,γ) E=23.6 KEV
G	⁸⁸Sr(n,n),(n,γ):Resonances	H	⁸⁸Sr(d,p),(pol d,p)
I	⁸⁸Sr(d,pγ)	J	⁸⁸Sr(¹³C,¹²C)
K	⁸⁹Y(μ^-,γ)	L	⁸⁹Y(t,³He)

E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
0.0	A B C D E F H I J K L	5/2+	50.563 d 25 % β^- = 100
1032.00 4	A C D E F H I J K	1/2+	> 1 ps	1031.95 5	100	[E2]	0.0	5/2+
1473.35 6	A C D E H I	(7/2)+	0.26 ps 10	1473.30 7	100	M1+E2	0.0	5/2+
1940.19 6	A C D E F H I	5/2+	0.19 ps 5	466.62 15 1940.15 6	21 5 100 7	M1+E2 M1+E2	1473.35 0.0	(7/2)+ 5/2+
2007.59 5	A C D E F H I	3/2+	0.10 ps 4	975.38 19 2007.56 8	2.3 5 100 7	M1+E2	1032.00 0.0	1/2+ 5/2+
2057.4 5	A	(1/2+,3/2,5/2+)		1025.3 5 2058.0 11	98 35 100 38		1032.00 0.0	1/2+ 5/2+
2061.5 5	C D H	(9/2+)	0.21 ps 6	588.1 2061.6	9.5 100	(M1+E2) [E2]	1473.35 0.0	(7/2)+ 5/2+
2079.0 5	B C H	11/2-	0.33 ns 7	2079.4 1	100	[E3]	0.0	5/2+
2280.19 4	A E H	(1/2)-		272.42 7 1248.18 5 2280.00 15	3.34 16 100 5 0.42 4		2007.59 1032.00 0.0	3/2+ 1/2+ 5/2+
2451.64 6	A D E F H I	3/2+		512 1419.56 8 2451.65 11	76 7 100 12 61 6	(M1+E2) (M1(+E2))	1940.19 1032.00 0.0	5/2+ 1/2+ 5/2+
2570.10 4	A E H	(3/2)-		118.3 5 289.76 10 562.08 21 1538.08 6 2570.16 7	0.12 6 5.5 3 0.47 6 26.3 18 100 5		2451.64 2280.19 2007.59 1032.00 0.0	3/2+ (1/2)- 3/2+ 1/2+ 5/2+
2675 4	H I	7/2+		735 1202 2675	12 3 17 4 100 6	(M1+E2) (M1+E2)	1940.19 1473.35 0.0	5/2+ (7/2)+ 5/2+
2707.12 9	A D H	(5/2-)		699.6 4 766.76 12 1234.0 4 2707.26 15	1.1 3 8.0 9 1.4 8 100 6		2007.59 1940.19 1473.35 0.0	3/2+ 5/2+ (7/2)+ 5/2+
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
2805 3	H	(7/2-,5/2+)
2916 5	H	3/2+,5/2+
2930.5 5	C	9/2(+)	0.15 ps 5	852 1457.0	45 3 100 4	[E1] (M1+E2)	2079.0 1473.35	11/2- (7/2)+
2961.9 5	C D H	9/2+	0.7 ps 3	1488.5	100	(M1(+E2))	1473.35	(7/2)+
3073 9	H	(3/2)+
3128 5	D H I	3/2+		3128	100		0.0	5/2+
3200 7	H
3227.87 5	A E	(3/2)-		657.77 6 776.19 25 947.63 7 1220.35 9 2196.02 20 3227.84 13	75 4 0.52 13 69 4 1.65 13 100 7 0.57 4		2570.10 2451.64 2280.19 2007.59 1032.00 0.0	(3/2)- 3/2+ (1/2)- 3/2+ 1/2+ 5/2+
3249 9	H I	5/2+		1776 3249	33 13 100 13		1473.35 0.0	(7/2)+ 5/2+
3303.10 24	A	(3/2,5/2,7/2+)		596.0 3 3303.5 8	100 25 25 13		2707.12 0.0	(5/2-) 5/2+
3388.1 7	B C	15/2-	> 7 ps	1309.3 1	100	E2	2079.0	11/2-
3390?	I			3390	100		0.0	5/2+
3404.1 7	C H	11/2-		1325.1	100		2079.0	11/2-
3421 10	H	(11/2-)
3433.06 11	D E H	(1/2+,3/2)		1152.75 16 1425.39 18 3433.14 18	69 19 60 17 100 13		2280.19 2007.59 0.0	(1/2)- 3/2+ 5/2+
3468 1	H
3508.64 7	A E H	(3/2)+		205.7 4 801.1 5 1057.2 4 1228.46 13 1501.00 15 2035.37 20 3508.65 19	1.0 5 1.5 10 2.0 10 10.6 15 17.2 15 4.5 23 100 6		3303.10 2707.12 2451.64 2280.19 2007.59 1473.35 0.0	(3/2,5/2,7/2+) (5/2-) 3/2+ (1/2)- 3/2+ (7/2)+ 5/2+
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
3524.3 7	C D	13/2-	0.39 ps 12	1445.3	100	M1+E2	2079.0	11/2-
3541 8	D H
3599.0 7	C H	(11/2+)	0.43 ps 12	1520.0	100	(E1)	2079.0	11/2-
3634 5	D H	5/2-,7/2-
3651.71 19	A	1/2(+),3/2,5/2		1081.4 3 1644.2 3 3651.8 4	67 17 67 17 100 33		2570.10 2007.59 0.0	(3/2)- 3/2+ 5/2+
3672.1 7	B C	(15/2-)	2.4 ps +27-8	283.9 3 1593.2 3	100 6 75 6	D [E2]	3388.1 2079.0	15/2- 11/2-
3677 7	D H	+
3699.82 10	E H	5/2+		1419.56? 2667.84 13 3699.3 4	<63 100 13 27 6		2280.19 1032.00 0.0	(1/2)- 1/2+ 5/2+
3728.0 10	C			323.9	100		3404.1	11/2-
3745 7	H
3750.7 10	B C	17/2-		362.4 1	100	M1(+E2)	3388.1	15/2-
3755 7	H I	1/2+		1747 3755	61 8 100 8		2007.59 0.0	3/2+ 5/2+
3763 7	D H	+
3829 6	H	3/2+,5/2+
3845.7 4	A D	5/2+		1138.5 5 2372.8 9 3845.4 6	40 20 40 20 100 20		2707.12 1473.35 0.0	(5/2-) (7/2)+ 5/2+
3881 7	H
3910 7	D H	(+)
3937 7	D H	(+)
3987.8 4	A H	1/2(+),3/2,5/2(+)		1979.7 5 2955.0 12 3989.1 8	100 25 25 13 75 25		2007.59 1032.00 0.0	3/2+ 1/2+ 5/2+
4017 5	H
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
4034 5	H
4050.0 3	A H	1/2+		822.0 4 1770.2 8 2109.7 5	100 40 40 20 60 20		3227.87 2280.19 1940.19	(3/2)- (1/2)- 5/2+
4055 4	H
4065 6	H	(1/2+,5/2-,7/2-)
4072 10	D	(+)
4081 4	H
4093.8 6	A	1/2(+),3/2,5/2		4093.7 6	100		0.0	5/2+
4120 5	H
4168 7	H	(3/2+,5/2+)
4180 7	D H
4199 7	D H
4207 7	H
4208.8 10	B C	(19/2)-		458.0 1 536.5 3 820.4 1	100.0 18 5.1 7 94.2 15	M1+E2 (E2)	3750.7 3672.1 3388.1	17/2- (15/2-) 15/2-
4222 7	H
4225.53 9	E H	(1/2+,3/2)		2285.2 3 4225.55 16	100 20 100 8		1940.19 0.0	5/2+ 5/2+
4233 7	H
4247 7	H
4254 7	D H
4271 7	D H
4328.80 9	E H	(3/2)+		2321.29 19 3296.62 24 4328.66 15	82 15 44 7 100 7		2007.59 1032.00 0.0	3/2+ 1/2+ 5/2+
4335.58 7	E	(1/2+,3/2)		2055.4 3 3303.52 10 4335.46 13	17 4 100 5 40 3		2280.19 1032.00 0.0	(1/2)- 1/2+ 5/2+
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
4359 10	H
4382 7	H
4406 7	H
4417 7	H
4435 7	H	(5/2-,7/2-)
4445.16 9	D E	(1/2+,3/2)		2165.3 3 2437.74 24 3413.1 5 4444.0 10	100 23 85 18 28 10 15 8		2280.19 2007.59 1032.00 0.0	(1/2)- 3/2+ 1/2+ 5/2+
4465 8	H
4472 8	H	1/2+
4518 10	D H	7/2+,9/2+
4560 10	H	(3/2+,5/2+)
4594 10	H	3/2+,5/2+
4614 10	H	1/2+
4626 10	H
4659.85 8	D E H	1/2+		2379.43 12 2652.58 16 3627.73 18	100 12 53 8 51 5		2280.19 2007.59 1032.00	(1/2)- 3/2+ 1/2+
4679 7	H	(1/2-,3/2,5/2+)
4742 7	H	(1/2+)
4759 10	D H
4790 10	D H
4818 10	D H
4865 10	D H	(7/2+,9/2+)
4894 10	H
4928 10	H	(1/2-,3/2,5/2+)
4955.54 9	E	(3/2+)		2948.05 11 3482.0 4 3923.30 17	100 11 14 4 29 3		2007.59 1473.35 1032.00	3/2+ (7/2)+ 1/2+
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
5005 10	H
5036 10	D H	1/2+
5067 10	D H	3/2+,5/2+
5081 10	D H	3/2+,5/2+
5107 10	D E H
5115.14 19	B	(21/2)		906.0 1	100	D	4208.8	(19/2)-
5130 10	H
5148 10	H
5169 10	H	(3/2+,5/2+)
5208 10	D H
5242 10	H
5259 10	H
5280 10	H	1/2+
5298 10	D H	1/2+
5316 10	D H
5360 10	H I	1/2+		4328? 5360?			1032.00 0.0	1/2+ 5/2+
5399 10	D H
5418 10	D H	(1/2+)
5442 10	H
5456 10	H
5480 10	D H
5496 10	D H
5529 10	D H
5540 10	D H
5573 10	H
5583 10	H
5611 10	D H
5628 10	D H
5657 10	D H
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
5666 10	D H
5694 10	H
5725.9 4	B	(19/2,21/2,23/2-)		1516.7 3	100		4208.8	(19/2)-
5753 10	D H
5773 10	D H
5825 10	H
5858 10	H
5925 10	D
5979.1 4	B	(23/2)		253.3 5 864.0 3	9.1 18 100 9	D	5725.9 5115.14	(19/2,21/2,23/2-) (21/2)
5995 10	D
6115 10	D
6188 10	D
6649.9 4	B	(25/2)		1534.7 5	100	(Q)	5115.14	(21/2)
6857.5 5	B	(25/2)		878.3 3	100	D	5979.1	(23/2)
7025.7 4	B	(25/2)		1910.5 3	100		5115.14	(21/2)
7421.6 4	B	(27/2)		395.9 3 771.7 3	88 12 100 12	(D)	7025.7 6649.9	(25/2) (25/2)
7984.4 7 ?	B			1334.5 5	100		6649.9	(25/2)

E(level)	J^π(level)	T_1/2(level)	Comments
0.0	5/2+	50.563 d 25 % β^- = 100	μ=-1.1481 8 (1987An02,1989Ra17,2011StZZ), Q=-0.271 9 (2002Ma09,1987An02,1989Ra17,2011StZZ) Δ<r²>(⁸⁸Sr-⁸⁹Sr)=-0.124 fm² 5 (1990Bu12,1996Li25,1992Ne09,1992Li24). Others: -0.147 fm² 8 (1985Bu20), -0.10 4 or -0.21 10 (1987An02).
1473.35	(7/2)+	0.26 ps 10	XREF: H(1460).
2675	7/2+		XREF: I(2670). E(level): From (d,p), (pol d,p).
2707.12	(5/2-)		XREF: H(2696).
2961.9	9/2+	0.7 ps 3	XREF: d(2974).
3128	3/2+		XREF: d(3116)I(3130). E(level): From (d,p), (pol d,p).
3249	5/2+		XREF: I(3250). E(level): From (d,p), (pol d,p).
3390			E(level): From (d,p), (pol d,p).
3404.1	11/2-		XREF: H(3390).
3421	(11/2-)		L=5 and Ay(θ) in (d,p).
3433.06	(1/2+,3/2)		XREF: d(3448).
3508.64	(3/2)+		XREF: H(3497).
3541			XREF: d(3566).
3699.82	5/2+		XREF: H(3687).
3755	1/2+		E(level): From (d,p), (pol d,p).
3845.7	5/2+		XREF: d(3858).
4328.80	(3/2)+		XREF: H(4315).
4518	7/2+,9/2+		XREF: d(4539).
5360	1/2+		E(level): From (d,p), (pol d,p).

E(level)	E(gamma)	Comments
2007.59	2007.56	M(γ): From (d,pγ)
2280.19	272.42	E(γ): γ reported in β^- decay only
2280.19	2280.00	I(γ): from β^- decay. Other: 5.5 28 in (n,γ)
2451.64	1419.56	M(γ): From (d,pγ)
2451.64	2451.65	M(γ): From (d,pγ)
2570.10	118.3	E(γ): γ reported in β^- decay only
	289.76	E(γ): γ reported in β^- decay only
	562.08	E(γ): γ reported in β^- decay only
2675	735	E(γ): γ from (d,pγ). Eγ is from level energy difference
	1202	E(γ): γ from (d,pγ). Eγ is from level energy difference M(γ): From (d,pγ)
	2675	E(γ): γ from (d,pγ). Eγ is from level energy difference M(γ): From (d,pγ)
2961.9	1488.5	M(γ): γ(θ) and ΔJπ
3128	3128	E(γ): γ from (d,pγ). Eγ is from level energy difference
3227.87	657.77	E(γ): γ reported in β^- decay only
	776.19	E(γ): γ reported in β^- decay only
	947.63	I(γ): from β^- decay. Other: 125 40 in (n,γ)
	1220.35	E(γ): γ reported in β^- decay only
	3227.84	E(γ): γ reported in β^- decay only
3249	1776	E(γ): γ from (d,pγ). Eγ is from level energy difference
3249	3249	E(γ): γ from (d,pγ). Eγ is from level energy difference
3390	3390	E(γ): γ from (d,pγ). Eγ is from level energy difference
3508.64	205.7	E(γ): γ reported in β^- decay only
	801.1	E(γ): γ reported in β^- decay only
	1057.2	E(γ): γ reported in β^- decay only
	1501.00	E(γ): γ reported in β^- decay only
E(level)	E(gamma)	Comments
3672.1	1593.2	I(γ): branching ratios are from (¹¹B,p3nγ). In (α,nγ), Iγ(1593)/Iγ(284)=3.2, but 284γ in this reaction is unresolved. M(γ): M1⁺E2, δ=+0.30 3 from γ(θ,pol) data in (α,nγ). E2 required by 15/2- assignment proposed in (¹¹B,p3nγ) (2001St14)
3755	1747	E(γ): γ from (d,pγ). Eγ is from level energy difference
3755	3755	E(γ): γ from (d,pγ). Eγ is from level energy difference
5360	4328	E(γ): γ from (d,pγ). Eγ is from level energy difference
5360	5360	E(γ): γ from (d,pγ). Eγ is from level energy difference