ADOPTED LEVELS, GAMMAS for 121La

Author: S. Ohya |  Citation: Nucl. Data Sheets 111, 1619 (2010) |  Cutoff date: 20-Jan-2009 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-9.5×103 keV SYS(n)= 1.27×104 keV SYS(p)= 7.E2 keV SYQ(α)= 1.8×103 keV SY
Reference: 2012WA38

References:
  A  92Mo(32S,2npγ) 

General Comments:

Identification: 92Mo(32S,p2n), E=150 MeV, on-line mass separation, parent of 121Ba, grandparent of 121Cs

Q-value: Note: Current evaluation has used the following Q record

Q-value: ΔQ(β-)=711, ΔS(n)=711, ΔS(p)=586, ΔQ(α)=507 (syst,2009AuZZ)

Q-value: Q(εp)=4199 503 (syst,2009AuZZ)








E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
Final Levels
       0.0A 5.3 s 2 
% ε = 100
   
       XA (11/2-)      
     251.0+X 10 A (15/2-)      251
       X
(11/2-)
     668.0+X 15 A (19/2-)      417
     251.0+X
(15/2-)
    1229.0+X 18 A (23/2-)      561
     668.0+X
(19/2-)
    1912.0+X 20 A (27/2-)      683
    1229.0+X
(23/2-)
    2695.0+X 23 A (31/2-)      783
    1912.0+X
(27/2-)
    3562.0+X 25 A (35/2-)      867
    2695.0+X
(31/2-)
  4504+X 3 A (39/2-)      942
    3562.0+X
(35/2-)
  5515+X 3 A (43/2-)     1011
  4504+X
(39/2-)
  6588+X?A (47/2-)     1073?
  5515+X
(43/2-)
  7718+X?A (51/2-)     1130?
  6588+X
(47/2-)
       YA (9/2+)      
     204.0+Y 8 A (11/2+)      204
       Y
(9/2+)
     438.0+Y 8 A (13/2+)      234
   438
     204.0+Y
       Y
(11/2+)
(9/2+)
     701.0+Y 10 A (15/2+)      263
   497
     438.0+Y
     204.0+Y
(13/2+)
(11/2+)
     990.0+Y 11 A (17/2+)      289
   552
     701.0+Y
     438.0+Y
(15/2+)
(13/2+)
    1304.0+Y 12 A (19/2+)      314
   603
     990.0+Y
     701.0+Y
(17/2+)
(15/2+)
    1640.0+Y 13 A (21/2+)      336
   650
    1304.0+Y
     990.0+Y
(19/2+)
(17/2+)
    1996.0+Y 13 A (23/2+)      356
   692
    1640.0+Y
    1304.0+Y
(21/2+)
(19/2+)
    2371.0+Y 14 A (25/2+)      375
   731
    1996.0+Y
    1640.0+Y
(23/2+)
(21/2+)
    2757.0+Y 15 A (27/2+)      386
   761
    2371.0+Y
    1996.0+Y
(25/2+)
(23/2+)

E(level): E(levels) are based on a least-squares fit to E(γ’s) assuming ΔE=1keV

E(γ): From 92Mo(32S,2npγ), no Iγ data are given

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)Final Levels
Band 1 - DECOUPLED ROTATIONAL band 1/2-[550]
       X (11/2-)      
     251.0+X 10  (15/2-)      
     668.0+X 15  (19/2-)      417
     251.0+X
(15/2-)
    1229.0+X 18  (23/2-)      561
     668.0+X
(19/2-)
    1912.0+X 20  (27/2-)      683
    1229.0+X
(23/2-)
    2695.0+X 23  (31/2-)      783
    1912.0+X
(27/2-)
    3562.0+X 25  (35/2-)      867
    2695.0+X
(31/2-)
  4504+X 3  (39/2-)      942
    3562.0+X
(35/2-)
  5515+X 3  (43/2-)     1011
  4504+X
(39/2-)
  6588+X (47/2-)     1073?
  5515+X
(43/2-)
  7718+X? (51/2-)     1130?
  6588+X
(47/2-)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)Final Levels
Band 2 - DECOUPLED ROTATIONAL band 9/2+[404]
       Y (9/2+)      
     204.0+Y 8  (11/2+)      
     438.0+Y 8  (13/2+)      234
   438
     204.0+Y
       Y
(11/2+)
(9/2+)
     701.0+Y 10  (15/2+)      263
   497
     438.0+Y
     204.0+Y
(13/2+)
(11/2+)
     990.0+Y 11  (17/2+)      289
   552
     701.0+Y
     438.0+Y
(15/2+)
(13/2+)
    1304.0+Y 12  (19/2+)      314
   603
     990.0+Y
     701.0+Y
(17/2+)
(15/2+)
    1640.0+Y 13  (21/2+)      336
   650
    1304.0+Y
     990.0+Y
(19/2+)
(17/2+)
    1996.0+Y 13  (23/2+)      356
   692
    1640.0+Y
    1304.0+Y
(21/2+)
(19/2+)
    2371.0+Y 14  (25/2+)      375
   731
    1996.0+Y
    1640.0+Y
(23/2+)
(21/2+)
    2757.0+Y 15  (27/2+)      386
   761
    2371.0+Y
    1996.0+Y
(25/2+)
(23/2+)

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
       X(11/2-)   E(level): DECOUPLED ROTATIONAL band 1/2-[550].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
     251.0+X(15/2-)   E(level): DECOUPLED ROTATIONAL band 1/2-[550].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
     668.0+X(19/2-)   E(level): DECOUPLED ROTATIONAL band 1/2-[550].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
    1229.0+X(23/2-)   E(level): DECOUPLED ROTATIONAL band 1/2-[550].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
    1912.0+X(27/2-)   E(level): DECOUPLED ROTATIONAL band 1/2-[550].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
    2695.0+X(31/2-)   E(level): DECOUPLED ROTATIONAL band 1/2-[550].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
    3562.0+X(35/2-)   E(level): DECOUPLED ROTATIONAL band 1/2-[550].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
  4504+X(39/2-)   E(level): DECOUPLED ROTATIONAL band 1/2-[550].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
  5515+X(43/2-)   E(level): DECOUPLED ROTATIONAL band 1/2-[550].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
  6588+X(47/2-)   E(level): DECOUPLED ROTATIONAL band 1/2-[550].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
  7718+X(51/2-)   E(level): DECOUPLED ROTATIONAL band 1/2-[550].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
       Y(9/2+)   E(level): DECOUPLED ROTATIONAL band 9/2+[404].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2+[404] Nilsson orbital.
     204.0+Y(11/2+)   E(level): DECOUPLED ROTATIONAL band 9/2+[404].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2+[404] Nilsson orbital.
     438.0+Y(13/2+)   E(level): DECOUPLED ROTATIONAL band 9/2+[404].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2+[404] Nilsson orbital.
     701.0+Y(15/2+)   E(level): DECOUPLED ROTATIONAL band 9/2+[404].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2+[404] Nilsson orbital.
     990.0+Y(17/2+)   E(level): DECOUPLED ROTATIONAL band 9/2+[404].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2+[404] Nilsson orbital.
    1304.0+Y(19/2+)   E(level): DECOUPLED ROTATIONAL band 9/2+[404].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2+[404] Nilsson orbital.
    1640.0+Y(21/2+)   E(level): DECOUPLED ROTATIONAL band 9/2+[404].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2+[404] Nilsson orbital.
    1996.0+Y(23/2+)   E(level): DECOUPLED ROTATIONAL band 9/2+[404].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2+[404] Nilsson orbital.
    2371.0+Y(25/2+)   E(level): DECOUPLED ROTATIONAL band 9/2+[404].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2+[404] Nilsson orbital.
    2757.0+Y(27/2+)   E(level): DECOUPLED ROTATIONAL band 9/2+[404].
Jπ(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2+[404] Nilsson orbital.

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