ADOPTED LEVELS, GAMMAS for 235Pa

Authors: E. Browne, J. K. Tuli |  Citation: Nucl. Data Sheets 122, 205 (2014) |  Cutoff date: 1-Feb-2014 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=1368 keV 14S(n)= 6123 keV 15S(p)= 5615 keV 14Q(α)= 4101 keV 19
Reference: 2012WA38

References:
  A  235Th β- decay  B  236U(t,α)

General Comments:

Discovery of 235Th: 2013Fr03

Mass measurements: 2012Ch19, 2012Zh46

Neutron fission cross-section measurements: 2012Pr13

Cluster decay half-lives. 235Pa(23F,24Ne): 2012Sa31

Calculated Q(α), t, single-particle energies: 2008Do12

Other reaction: 16O, 19F on 232Th. Measured excitation functions (2000Si04).

Q-value: Q(β-)=1410 50, from 1968Tr07 and adopted decay scheme.









E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)Final Levels
    0AB (3/2-) 24.4 m 2 
% β- = 100
    
   10 10 SAB (1/2-)     ≤10S
 
    0
(3/2-)
   18.51 17 AB (1/2+)       
   51.79 17 A  (3/2+)       
   55 4  B (7/2-)       
   65 6  B (9/2+)       
  100 4  B       
  132 4  B (13/2+)       
  162 6  B       
  192 8  B       
  252 8  B       
  344.69 19 AB (3/2+)     292.9 1 
  100
   51.79
(3/2+)
  378 10  B (5/2+)       
  468.79 15 A  (1/2,3/2)     417.0 1 
  450.4 2 
  468.7 2 
  100
   15 4 
   24.8 16 
   51.79
   18.51
    0
(3/2+)
(1/2+)
(3/2-)
  484 12  B       
  525 12  B       
  570 12  B       
  630 12  B       
  649 12  B       
  682 12  B       
  727.01 17 A  (1/2,3/2)     708.3 2 
  727.2 2 
   60 4 
  100 5 
   18.51
    0
(1/2+)
(3/2-)
  747.90 15 A  (1/2,3/2)     696.1 2 
  729.5 2 
  747.8 2 
  100 6 
   71 5 
   67 5 
   51.79
   18.51
    0
(3/2+)
(1/2+)
(3/2-)
  751 8  B (11/2-)       
  755.75 24 A  (1/2,3/2)     704.0 2 
  737.0 5 
  100 6 
   37 11 
   51.79
   18.51
(3/2+)
(1/2+)
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)Final Levels
  965 8  B (5/2-)       

Jπ(level): From a comparison of σ(exp)/σ(calc) in (t,α), systematics of Nilsson orbitals in other odd-Z nuclei, and in analogy with Jπ assignments in 233Pa (1972El21). Additional arguments are given with some individual levels.

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Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 1 - 1/2[530]
    0 (3/2-) 24.4 m 2 
% β- = 100
    
   10 10 S (1/2-)     ≤10S
 
    0
(3/2-)
   55 4  (7/2-)       
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 2 - 1/2[400]
   18.51 17  (1/2+)       
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 3 - 3/2[651]
   51.79 17  (3/2+)       
   65 6  (9/2+)     
  132 4  (13/2+)       
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 4 - 3/2[402]
  344.69 19  (3/2+)       
  378 10  (5/2+)     
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 5 - 9/2[514] ?
  751 8  (11/2-)       
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 6 - 1/2[541] ?
  965 8  (5/2-)       

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
    0(3/2-) 24.4 m 2 
% β- = 100
E(level): 1/2[530].
   10(1/2-)   E(level): 1/2[530].
   18.51(1/2+)   E(level): 1/2[400].
   51.79(3/2+)   E(level): 3/2[651].
   55(7/2-)   E(level): 1/2[530].
   65(9/2+)   E(level): 3/2[651].
  132(13/2+)   E(level): 3/2[651].
  344.69(3/2+)   E(level): 3/2[402].
  378(5/2+)   E(level): 3/2[402].
  751(11/2-)   E(level): 9/2[514] ?.
  965(5/2-)   E(level): 1/2[541] ?.

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