List of levels for 211PB

ADOPTED LEVELS, GAMMAS for ²¹¹Pb

Authors: A. Sonzogni, G. Mukherjee, H. Huang, A. Tarazaga, | Citation: Nucl. Data Sheets 114, 661 (2013) | Cutoff date: 28-FEB-2013

Full ENSDF file | Adopted Levels (PDF version)

Q(β-)=1367 keV 6	S(n)= 3834.6 keV 28	S(p)= 8534 keV 12	Q(α)= 3571 keV 30
Reference: 2012WA38

References:
A	²¹⁵Po α decay	B	²¹⁰Pb(t,d)
C	²³⁸U(²⁰⁸Pb,xγ)

²¹¹Pb evaluated by α. Sonzogni, γ. Mukherjee, H. Huang, {βα. Tarazaga, J. Wang

Q-value: S(2n)=9019.8 30, S(2p)=16430 150 (syst) (2012Wa38)

XREFs
J^π
T_1/2/Decay
E(γ)
I(γ)
M(γ)
Final Levels
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 9/2+ 36.1 m 2
% β^- = 100

   438.9 2 A   (7/2)+    438.9 2
  100
E2(+M1)
     0.0
9/2+
   584 A      584
  100

     0.0
9/2+
   598 A   (5/2+)    598
  100

     0.0
9/2+
   643 A B (11/2+)    643
  100

     0.0
9/2+
   733 A C (13/2+)    733.7 2
  100

     0.0
9/2+
   815 A   (9/2+)    815
  100

     0.0
9/2+
   894 A   (11/2+)    310S
   894

   584
     0.0

9/2+
  1055.7 3   C (17/2+)    322.0 2
  100
(E2)
   733
(13/2+)
  1193.1 4   C (21/2+) 42 ns 7    137.4 2
  100
E2
  1055.7
(17/2+)
  1303 10 B (15/2-)
  1377 10 B
  1412 10 B (5/2+)
  1679.1 4   C (23/2+)    486.0 2
  100

  1193.1
(21/2+)
  1679.1+X   C (27/2+) 159 ns 28
% IT = 100
     X

  1679.1
(23/2+)
  1681 10 B (7/2+,9/2+)
  1722 10 B 1/2+
  1899 10 B (3/2+,5/2+)
  2043 10 B 1/2+
  2160 10 B
  2280 10 B
  2343 10 B
  2380 10 B (7/2+)
  2419 10 B
  2512 10 B (3/2+)
  2561 10 B (7/2+,9/2+)
  2629 10 B (3/2+,5/2+)
E(level)
(keV) XREF J^π(level) T_1/2(level) E(γ)
(keV) I(γ) M(γ) Final Levels
  2655 10 B
  2717 10 B
  2851.0+X 5   C (33/2-) 5.9 ns 6   1171.9 5
  100
(E3)
  1679.1+X
(27/2+)
  3414.4+X 7   C (33/2:37/2-)    563.4 5
  100

  2851.0+X
(33/2-)
  4411.9+X 7   C (39/2+)   1560.9 5
  100
[E3]
  2851.0+X
(33/2-)
  5557.4+X 9   C (39/2:43/2+)   1145.5 5
  100

  4411.9+X
(39/2+)
E(level): From Eγ data when available. Otherwise from ²¹⁰Pb(t,d)
J^π(level): For high-spin (J>9/2) states, assignments are from (²⁰⁸Pb,Xγ) based on multipolarities for selected transitions, configurations, and decay pattern. In such reactions, ascending spins are assumed with increasing excitation energy
T_1/2(level): From ²³⁸U(²⁰⁸Pb,Xγ)
M(γ): From ²³⁸U(²⁰⁸Pb,Xγ), unless otherwise stated
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Additional Gamma Data:
J^π

T_1/2

E(γ)

Multipolarity

Conv. Coeff.

Add. Data

E(level)
(keV) J^π(level) T_1/2(level) E(γ)
(keV) Multipolarity Conversion
Coefficient Additional Data
   438.9 (7/2)+    438.9 2 E2(+M1) 0.10 α=0.10 6, α(K)=0.08 5, α(L)=0.015 6, α(M)=0.0037 13, α(N)=0.0009 4, α(O)=0.00018 7, α(P)=1.8×10^-5 10
  1055.7 (17/2+)    322.0 2 (E2) 0.0939 α=0.0939, α(K)=0.0551 8, α(L)=0.0290 5, α(M)=0.00743 11, α(N)=0.00188 3, α(O)=0.000346 5, α(P)=2.20×10^-5 4
  1193.1 (21/2+) 42 ns 7    137.4 2 E2 1.72 B(E2)(W.u.)=1.36 23, α=1.72, α(K)=0.371 6, α(L)=1.003 16, α(M)=0.264 4, α(N)=0.0667 11, α(O)=0.01194 19, α(P)=0.000515 8
  2851.0+X (33/2-) 5.9 ns 6   1171.9 5 (E3) 0.01083 B(E3)(W.u.)=25 3, α=0.01083, α(K)=0.00825 12, α(L)=0.00196 3, α(M)=0.000476 7, α(N)=0.0001211 17, α(O)=2.35E-5 4, α(P)=2.21E-6 4
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Additional Level Data and Comments:
E(level) J^π(level) T_1/2(level) Comments
     0.0 9/2+ 36.1 m 2
% β^- = 100
μ=-1.4037 8 (1986An06,1989Ra17,2011StZZ), Q=+0.087 62 (1986An06,1989Ra17,2011StZZ)
Evaluated nuclear rms charge radius <r²>^1/2=5.5297 fm 17 (2008 update of 2004An14 work available on http://cdfe.sinp.msu.ru). See also 2009An12 for trends of nuclear radii.
   438.9 (7/2)+ J^π(level): Jπ predicted by shell-model calculation (1998Li53).
   598 (5/2+) J^π(level): Jπ predicted by shell-model calculation (1998Li53).
   643 (11/2+) E(level): From ²¹⁵Po α decay.
J^π(level): Jπ predicted by shell-model calculation (1998Li53).
   733 (13/2+) E(level): Member of configuration=νg³_9/2.
J^π(level): Jπ predicted by shell-model calculation (1998Li53).
   815 (9/2+) J^π(level): Jπ predicted by shell-model calculation (1998Li53).
   894 (11/2+) J^π(level): Jπ predicted by shell-model calculation (1998Li53).
  1055.7 (17/2+) E(level): Member of configuration=νg³_9/2.
  1193.1 (21/2+) 42 ns 7 E(level): Member of configuration=νg³_9/2.
  1303 (15/2-) J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35|’-40|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
  1412 (5/2+) J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35|’-40|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
  1679.1 (23/2+) E(level): Member of configuration=ν(g²_9/2i_11/2).
  1679.1+X (27/2+) 159 ns 28
% IT = 100
E(level): Member of configuration=ν(g²_9/2i_11/2).
  1681 (7/2+,9/2+) J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35|’-40|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
  1722 1/2+ J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35|’-40|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
  1899 (3/2+,5/2+) J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35|’-40|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
  2043 1/2+ J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35|’-40|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
  2380 (7/2+) J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35|’-40|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
  2512 (3/2+) J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35|’-40|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
  2561 (7/2+,9/2+) J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35|’-40|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
  2629 (3/2+,5/2+) J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35|’-40|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
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Additional Gamma Comments:
E(level) E(gamma) Comments
   438.9    438.9 M(γ): from ²¹⁵Po a decay
   733    733.7 E(γ): from ²³⁸U(²⁰⁸Pb,Xγ)
  1055.7    322.0 M(γ): α(exp) allows E1 or E2, but ΔJπ requires E2
  1679.1+X      X E(γ): the measured lifetime agrees with that expected for a low-energy 27/2⁺ to 23/2⁺, E2 transition. This transition, however, was not observed by 2005La01.
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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	9/2+	36.1 m 2 % β^- = 100
438.9 2	A	(7/2)+		438.9 2	100	E2(+M1)	0.0	9/2+
584	A			584	100		0.0	9/2+
598	A	(5/2+)		598	100		0.0	9/2+
643	A B	(11/2+)		643	100		0.0	9/2+
733	A C	(13/2+)		733.7 2	100		0.0	9/2+
815	A	(9/2+)		815	100		0.0	9/2+
894	A	(11/2+)		310S 894			584 0.0	9/2+
1055.7 3	C	(17/2+)		322.0 2	100	(E2)	733	(13/2+)
1193.1 4	C	(21/2+)	42 ns 7	137.4 2	100	E2	1055.7	(17/2+)
1303 10	B	(15/2-)
1377 10	B
1412 10	B	(5/2+)
1679.1 4	C	(23/2+)		486.0 2	100		1193.1	(21/2+)
1679.1+X	C	(27/2+)	159 ns 28 % IT = 100	X			1679.1	(23/2+)
1681 10	B	(7/2+,9/2+)
1722 10	B	1/2+
1899 10	B	(3/2+,5/2+)
2043 10	B	1/2+
2160 10	B
2280 10	B
2343 10	B
2380 10	B	(7/2+)
2419 10	B
2512 10	B	(3/2+)
2561 10	B	(7/2+,9/2+)
2629 10	B	(3/2+,5/2+)
E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	I(γ)	M(γ)	Final Levels
2655 10	B
2717 10	B
2851.0+X 5	C	(33/2-)	5.9 ns 6	1171.9 5	100	(E3)	1679.1+X	(27/2+)
3414.4+X 7	C	(33/2:37/2-)		563.4 5	100		2851.0+X	(33/2-)
4411.9+X 7	C	(39/2+)		1560.9 5	100	[E3]	2851.0+X	(33/2-)
5557.4+X 9	C	(39/2:43/2+)		1145.5 5	100		4411.9+X	(39/2+)

E(level)	J^π(level)	T_1/2(level)	Comments
0.0	9/2+	36.1 m 2 % β^- = 100	μ=-1.4037 8 (1986An06,1989Ra17,2011StZZ), Q=+0.087 62 (1986An06,1989Ra17,2011StZZ) Evaluated nuclear rms charge radius <r²>^1/2=5.5297 fm 17 (2008 update of 2004An14 work available on http://cdfe.sinp.msu.ru). See also 2009An12 for trends of nuclear radii.
438.9	(7/2)+		J^π(level): Jπ predicted by shell-model calculation (1998Li53).
598	(5/2+)		J^π(level): Jπ predicted by shell-model calculation (1998Li53).
643	(11/2+)		E(level): From ²¹⁵Po α decay. J^π(level): Jπ predicted by shell-model calculation (1998Li53).
733	(13/2+)		E(level): Member of configuration=νg³_9/2. J^π(level): Jπ predicted by shell-model calculation (1998Li53).
815	(9/2+)		J^π(level): Jπ predicted by shell-model calculation (1998Li53).
894	(11/2+)		J^π(level): Jπ predicted by shell-model calculation (1998Li53).
1055.7	(17/2+)		E(level): Member of configuration=νg³_9/2.
1193.1	(21/2+)	42 ns 7	E(level): Member of configuration=νg³_9/2.
1303	(15/2-)		J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35\|’-40\|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
1412	(5/2+)		J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35\|’-40\|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
1679.1	(23/2+)		E(level): Member of configuration=ν(g²_9/2i_11/2).
1679.1+X	(27/2+)	159 ns 28 % IT = 100	E(level): Member of configuration=ν(g²_9/2i_11/2).
1681	(7/2+,9/2+)		J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35\|’-40\|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
1722	1/2+		J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35\|’-40\|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
1899	(3/2+,5/2+)		J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35\|’-40\|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
2043	1/2+		J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35\|’-40\|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
2380	(7/2+)		J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35\|’-40\|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
2512	(3/2+)		J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35\|’-40\|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
2561	(7/2+,9/2+)		J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35\|’-40\|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.
2629	(3/2+,5/2+)		J^π(level): From L-values in ²¹⁰Pb(t,d) experiment. Angular distributions in study by 1976El07 are essentially structureless; their assignments are based on the different slopes at laboratory angles greater than and less than about θ=35\|’-40\|’ and a comparison with σ(θ) for ²⁰⁸Pb(t,d) for states in ²⁰⁹Pb with known single-particle structure.

E(level)	E(gamma)	Comments
438.9	438.9	M(γ): from ²¹⁵Po a decay
733	733.7	E(γ): from ²³⁸U(²⁰⁸Pb,Xγ)
1055.7	322.0	M(γ): α(exp) allows E1 or E2, but ΔJπ requires E2
1679.1+X	X	E(γ): the measured lifetime agrees with that expected for a low-energy 27/2⁺ to 23/2⁺, E2 transition. This transition, however, was not observed by 2005La01.