ADOPTED LEVELS, GAMMAS for 25Na

Authors: M. Shamsuzzoha Basunia, Anagha Chakraborty |  Citation: Nucl. Data Sheets 205, 1 (2025) |  Cutoff date: 31-May-2025 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=3835.0 keV 12S(n)= 9011.2 keV 12S(p)= 10695.1 keV 13Q(α)= -11735.1 keV 22
Reference: 2021WA16

References:
  A  25Ne β- decay (603 MS)  B  2H(24Na,p)
  C  2H(25Na,25Na’γ)  D  9Be(18O,pnγ)
  E  12C(18O,αpγ)  F  23Na(t,p),26Mg(t,α)
  G  23Na(t,pγ),26Mg(t,αγ)  H  26Mg(d,3He),(pol d,3He)

General Comments:

DICT$ 2H(24Na,p)=2H(24Na,p)

Q-value: S(2n)=15970.6 12, S(2p)=27220 30 (2021Wa16)










E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0A CDEFGH 5/2+ 59.3 s 9 
% β- = 100
     
    89.59 10 A CD FGH 3/2+ 5.1 ns 3      89.55 10 
  100
M1(+E2)
     0
5/2+
  1069.44 15 AB DEFGH 1/2+ 1.27 ps 14     979.77 16 
  1069.3 3 
  100.0 22 
   10.5 9 

[E2]
    89.59
     0
3/2+
5/2+
  2202.00 20 A  DEFGH 3/2+ 23 fs 4    1132.2 3 
  2112.2 4 
  2202.3 3 
   58 6 
   40 9 
  100 6 
M1(+E2)
(M1(+E2))
(M1)
  1069.44
    89.59
     0
1/2+
3/2+
5/2+
  2418.3 7    DEFGH (9/2+) 162 fs 28    2419 1 
  100
(E2)
     0
5/2+
  2790.1 6    DEFG  (7/2)+ 118 fs 16    2699 1 
  2790 1 
    8.9 9 
  100 6 
[E2]
(M1)
    89.59
     0
3/2+
5/2+
  2915.8 10    D FGH 5/2+ 10 fs 4    2826 1 
  100
(M1)
    89.59
3/2+
  3356.1 10    DEFGH (7/2+) 16 fs 5    3266 3 
  3356 1 
   12.8 17 
  100 3 
[E2]

    89.59
     0
3/2+
5/2+
  3459.4 7    DEFG  (9/2+) 131 fs 17     668.8 5 
  1041.3 4 
  3462 3 
    6.2 10 
  100.0 26 
    7.5 26 
(M1)
(M1)
[E2]
  2790.1
  2418.3
     0
(7/2)+
(9/2+)
5/2+
  3687.6 22 AB   FGH (3/2)+ 18 fs 8    3598 3 
  3687 3 
   25 6 
  100 6 


    89.59
     0
3/2+
5/2+
  3928 7      FGH (1/2+) < 28 fs   3928
  100

     0
5/2+
  3955.1 9  B DEFG  (1/2+,3/2,5/2+) < 83 fs   2887 2 
  3865 1 
  3950 5 
   59 5 
  100.0 25 
   23.5 25 



  1069.44
    89.59
     0
1/2+
3/2+
5/2+
  3995 5      F H 1/2- 31 fs 7       
  3999.0 7    DE G  (7/2+,9/2+) 62.4 fs 49    1209.0 4 
  1579.7 10 
  100 4 
   17 4 
(M1)

  2790.1
  2418.3
(7/2)+
(9/2+)
  4003 3     EFGH 1/2- 33 fs 7    2933 3 
  100
[E1]
  1069.44
1/2+
  4015.6 20    D         2946 2 
  100

  1069.44
1/2+
  4132 5      FG  16 fs 6    4132 5 
  100

     0
5/2+
  4289 3 AB DEF H 1/2+ < 20 fs   3221 1 ?
  100

  1069.44
1/2+
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
  4340 7      F          
  4450 10      F          
  4710 10      F          
  4800 10      F          
  4965.8 8    DEF   (11/2+) 51 fs 4     966.7 9 
  1506.4 6 
  2547.4 10 
    8 4 
  100 4 
   48 9 

D+Q
(M1)
  3999.0
  3459.4
  2418.3
(7/2+,9/2+)
(9/2+)
(9/2+)
  5146 10      F          
  5190 10      F H 3/2-        
  5231.8 13    DEF   9/2,7/2,5/2,11/2+ < 10 fs   1773 3 ?
  1875.6 10 
  2441 3 
   29 8 
  100 6 
   23 8 



  3459.4
  3356.1
  2790.1
(9/2+)
(7/2+)
(7/2)+
  5347 10      F          
  5388.4 11    DEF   (9/2+,11/2+) < 2.8 fs   2970.2 12 
  100
D+Q
  2418.3
(9/2+)
  5465 10      F          
  5484 12      F          
  5690 12      F H 3/2-        
  5713 12      F          
  5748 4     EF   (9/2,11/2,13/2+) < 194 fs   3329 4 
  100

  2418.3
(9/2+)
  5847.3 25     E    < 52 fs   3058 3 
  3427 4 
   82 18 
  100 18 


  2790.1
  2418.3
(7/2)+
(9/2+)
  5876 12        H        
  6005 22        H (1/2,3/2)-        
  6079 15        H        
  6154 15        H        
  6270 4     E    (9/2,11/2) < 26 fs   3480 4 
  3851 5 ?
  100 20 
  <40


  2790.1
  2418.3
(7/2)+
(9/2+)
  6379 4    DE    (11/2+,9/2+,13/2+) < 6.2 fs   2924 5 
  3958 4 
   49 14 
  100 11 


  3459.4
  2418.3
(9/2+)
(9/2+)
  6549 15        H 3/2-        
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
  6581 3     E    < 28 fs   3120 4 
  4163 4 
   74 15 
  100 11 


  3459.4
  2418.3
(9/2+)
(9/2+)
  6736.2 11    DE    (13/2+) < 2.8 fs   1348.9 13 
  1770.2 10 
  3275 6 
  4313 3 
   33 8 
  100 13 
   19 6 
   83 6 



Q
  5388.4
  4965.8
  3459.4
  2418.3
(9/2+,11/2+)
(11/2+)
(9/2+)
(9/2+)
  6753 21        H (1/2,3/2)-        
  6856.7 13    DE  H (11/2+,13/2+) 42 fs 28    1467.9 10 
  3395 5 
  4440 2 
   93 8 
   48 13 
  100 10 
D+Q

Q
  5388.4
  3459.4
  2418.3
(9/2+,11/2+)
(9/2+)
(9/2+)
  6936 20        H        
  6985 20        H        
  7217 4     E    (9/2,11/2,13/2) < 97 fs   3218 4 
  4796 9 
  100 25 
   50 17 


  3999.0
  2418.3
(7/2+,9/2+)
(9/2+)
  7603 17        H 3/2-        
  7624 4     E    (11/2,13/2) < 52 fs   2658 4 
  100

  4965.8
(11/2+)
  7780 25        H        
  8052 26        H (1/2,3/2)-        
  8400 25        H        

E(level): From a least-squares fit to Eγ, except where otherwise noted.

T1/2(level): From (t,pγ),(t,αγ), except where otherwise noted.

M(γ): From (18O,pnγ) based on γ(θ), except where noted otherwise.

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Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - based on 5388, (9/2+,11/2+)
  5388.4 11  (9/2+,11/2+) < 2.8 fs      
  6856.7 13  (11/2+,13/2+) 42 fs 28    1467.9 10 
  3395 5 
  4440 2 
   93 8 
   48 13 
  100 10 
D+Q

Q
  5388.4
  3459.4
  2418.3
(9/2+,11/2+)
(9/2+)
(9/2+)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - based on g.s. 5/2+
     0 5/2+ 59.3 s 9 
% β- = 100
     
  2418.3 7  (9/2+) 162 fs 28    2419 1 
  100
(E2)
     0
5/2+
  3459.4 7  (9/2+) 131 fs 17     668.8 5 
  1041.3 4 
  3462 3 
    6.2 10 
  100.0 26 
    7.5 26 
(M1)
(M1)
[E2]
  2790.1
  2418.3
     0
(7/2)+
(9/2+)
5/2+
  4965.8 8  (11/2+) 51 fs 4     966.7 9 
  1506.4 6 
  2547.4 10 
    8 4 
  100 4 
   48 9 

D+Q
(M1)
  3999.0
  3459.4
  2418.3
(7/2+,9/2+)
(9/2+)
(9/2+)
  7624 4  (11/2,13/2) < 52 fs   2658 4 
  100

  4965.8
(11/2+)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - based on 2790, (5/2,7/2)+
  2790.1 6  (7/2)+ 118 fs 16       
  3999.0 7  (7/2+,9/2+) 62.4 fs 49    1209.0 4 
  1579.7 10 
  100 4 
   17 4 
(M1)

  2790.1
  2418.3
(7/2)+
(9/2+)
  7217 4  (9/2,11/2,13/2) < 97 fs   3218 4 
  4796 9 
  100 25 
   50 17 


  3999.0
  2418.3
(7/2+,9/2+)
(9/2+)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 4 - based on 3356, (7/2+)
  3356.1 10  (7/2+) 16 fs 5       
  5231.8 13  9/2,7/2,5/2,11/2+ < 10 fs   1773 3 ?
  1875.6 10 
  2441 3 
   29 8 
  100 6 
   23 8 



  3459.4
  3356.1
  2790.1
(9/2+)
(7/2+)
(7/2)+
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 5 - based on 89.59, 3/2+
    89.59 10  3/2+ 5.1 ns 3       
  1069.44 15  1/2+ 1.27 ps 14     979.77 16 
  1069.3 3 
  100.0 22 
   10.5 9 

[E2]
    89.59
     0
3/2+
5/2+
  2202.00 20  3/2+ 23 fs 4    1132.2 3 
  2112.2 4 
  2202.3 3 
   58 6 
   40 9 
  100 6 
M1(+E2)
(M1(+E2))
(M1)
  1069.44
    89.59
     0
1/2+
3/2+
5/2+

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Additional Gamma Data:















E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityMixing
Ratio		Conversion
Coefficient		Additional Data
    89.59 3/2+ 5.1 ns 3      89.55 10 M1(+E2)+0.074 740.0027B(E2)(W.u.)<100, B(M1)(W.u.)=0.0060 4, α=0.0027 15, α(K)=0.0026 14, α(L)=1.6E-4 9, α(M)=3.4E-6 19
  1069.44 1/2+ 1.27 ps 14    1069.3 3 [E2] B(E2)(W.u.)=7.0 +10-9
  2202.00 3/2+ 23 fs 4    1132.2 3 M1(+E2)+0.05 99.95×10-6B(M1)(W.u.)=0.19 +8-6, α=9.95×10-6 16, α(K)=7.89E-6 12, α(L)=4.73E-7 7, α(M)=1.060E-8 16
3/2+ 23 fs 4    2112.2 4 (M1(+E2))-0.09 132.93×10-4B(M1)(W.u.)=0.020 +11-8, α=2.93×10-4 5, α(K)=2.76E-6 4, α(L)=1.654E-7 24, α(M)=3.71E-9 5
3/2+ 23 fs 4    2202.3 3 (M1) 3.29×10-4B(M1)(W.u.)=0.045 +10-7, α=3.29×10-4 5, α(K)=2.58E-6 4, α(L)=1.548E-7 22, α(M)=3.47E-9 5
  2418.3 (9/2+) 162 fs 28    2419 1 (E2) 5.22×10-4B(E2)(W.u.)=9.7 +20-14, α=5.22E-4 7, α(K)=2.439E-6 34, α(L)=1.461E-7 20, α(M)=3.27E-9 5
  2790.1 (7/2)+ 118 fs 16    2699 1 [E2] 6.52×10-4B(E2)(W.u.)=0.63 +12-10, α=6.52E-4 9, α(K)=2.035E-6 29, α(L)=1.219E-7 17, α(M)=2.73E-9 4
(7/2)+ 118 fs 16    2790 1 (M1) 5.74×10-4B(M1)(W.u.)=0.0079 +13-10, α=5.74×10-4 8, α(K)=1.805E-6 25, α(L)=1.081E-7 15, α(M)=2.423E-9 34
  2915.8 5/2+ 10 fs 4    2826 1 (M1) 5.88×10-4B(M1)(W.u.)=0.10 +6-3, α=5.88×10-4 8, α(K)=1.771E-6 25, α(L)=1.061E-7 15, α(M)=2.377E-9 33
  3356.1 (7/2+) 16 fs 5    3266 3 [E2] 8.98×10-4B(E2)(W.u.)=2.5 +12-6, α=8.98E-4 13, α(K)=1.510E-6 21, α(L)=9.04E-8 13, α(M)=2.026E-9 29
  3459.4 (9/2+) 131 fs 17     668.8 5 (M1) B(M1)(W.u.)=0.031 +7-6
(9/2+) 131 fs 17    1041.3 4 (M1) B(M1)(W.u.)=0.131 +20-15
(9/2+) 131 fs 17    3462 3 [E2] 9.77×10-4B(E2)(W.u.)=0.13 5, α=9.77E-4 14, α(K)=1.383E-6 19, α(L)=8.28E-8 12, α(M)=1.856E-9 26
  3999.0 (7/2+,9/2+) 62.4 fs 49    1209.0 4 (M1) 1.458×10-5B(M1)(W.u.)=0.171 +16-14, α=1.458×10-5 21, α(K)=7.01E-6 10, α(L)=4.20E-7 6, α(M)=9.41E-9 13
  4003 1/2- 33 fs 7    2933 3 [E1] 1.21×10-3B(E1)(W.u.)=9.5E-4 +26-17, α=1.21E-3 2, α(K)=1.244E-6 17, α(L)=7.45E-8 10, α(M)=1.670E-9 23
  4965.8 (11/2+) 51 fs 4    2547.4 10 (M1) 4.74×10-4B(M1)(W.u.)=0.0080 +12-13, α=4.74×10-4 7, α(K)=2.067E-6 29, α(L)=1.238E-7 17, α(M)=2.77E-9 4
  6856.7 (11/2+,13/2+) 42 fs 28    1467.9 10 D+Q 5.96×10-5α=5.96×10-5 9, α(K)=5.00E-6 7, α(L)=3.00E-7 4, α(M)=6.72E-9 9

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     05/2+ 59.3 s 9 
% β- = 100
Q=-0.0015 3, μ=+3.683 4
δ<r2>(23Na,25Na)=-0.100 fm2 30 (2013An02). Also rms charge radius R=2.977 fm 25 (2013An02).
E(level): δ<r2>(23Na,25Na)=-0.100 fm2 30 (2013An02). Also rms charge radius R=2.977 fm 25 (2013An02).
  2790.1(7/2)+ 118 fs 16  E(level): From (t,pγ),(t,αγ).
  3356.1(7/2+) 16 fs 5  E(level): From (t,pγ),(t,αγ).
  3955.1(1/2+,3/2,5/2+) < 83 fs XREF: E(3964).
  3999.0(7/2+,9/2+) 62.4 fs 49  E(level): From (t,pγ),(t,αγ).
  42891/2+ < 20 fs T1/2(level): From (18O,αpγ).
  51903/2-   E(level): From (t,p),(t,α).
  5231.89/2,7/2,5/2,11/2+ < 10 fs E(level): From (t,pγ),(t,αγ).
T1/2(level): From (18O,αpγ).
  5388.4(9/2+,11/2+) < 2.8 fs E(level): From (18O,αpγ).
T1/2(level): From (18O,αpγ).
  56903/2-   E(level): From (t,p),(t,α).
  5748(9/2,11/2,13/2+) < 194 fs T1/2(level): From (18O,αpγ).
  5847.3 < 52 fs T1/2(level): From (18O,αpγ).
  6270(9/2,11/2) < 26 fs E(level): From (t,p),(t,α).
T1/2(level): From (18O,αpγ).
  6379(11/2+,9/2+,13/2+) < 6.2 fs T1/2(level): From (18O,αpγ).
  6581 < 28 fs T1/2(level): From (18O,αpγ).
  6736.2(13/2+) < 2.8 fs T1/2(level): From (18O,αpγ).
  6856.7(11/2+,13/2+) 42 fs 28  XREF: d(6958).
E(level): From (18O,αpγ).
T1/2(level): From (18O,αpγ).
  7217(9/2,11/2,13/2) < 97 fs E(level): From (t,pγ),(t,αγ).
T1/2(level): From (18O,αpγ).
  7624(11/2,13/2) < 52 fs T1/2(level): From (18O,αpγ).

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Additional Gamma Comments:

E(level)E(gamma)Comments
    89.59    89.55E(γ): weighted average of 89.53 10 from 25Ne β- decay and 89.7 3 from (18O,pnγ)
M(γ): γ(θ) data of 89.55γ in (t,pγ) and (18O,pnγ) are consistent with D+Q, ΔJ=1, transition. RUL favors M1(+E2).
  1069.44   979.77E(γ): From 25Ne β- decay (603 ms)
I(γ): From (t,pγ),(t,αγ)
  1069.3I(γ): weighted average of 12.9 21 from 25Ne β- decay, 10.0 9 from (18O,pnγ), and 11.1 22 from (t,pγ)
  2202.00  1132.2E(γ): weighted average of 1132.8 10 from 25Ne β- decay, 1132.4 3 from (18O,pnγ), 1131.8 4 from (18O,αpγ), and 1132 2 from (t,pγ)
I(γ): weighted average of 65 5 from (18O,pnγ) and 49 6 from (t,pγ). Other: 36 27 from 25Ne β- decay
  2112.2I(γ): unweighted average of 56 17 from 25Ne β- decay, 23.5 25 from (18O,pnγ), and 40 4 from (t,pγ)
  2202.3I(γ): From (t,pγ),(t,αγ)
  2790.1  2699I(γ): weighted average of 8.8 9 from (18O,pnγ) and 9.4 21 from (18O,αpγ)
  3356.1  3266E(γ): weighted average of 3269 3 from (18O,pnγ) and 3263 3 from (t,pγ)
I(γ): weighted average of 13.3 17 from (18O,pnγ) and 11.1 33 from (t,pγ)
  3356I(γ): From (t,pγ),(t,αγ)
  3459.4   668.8E(γ): weighted average of 668.6 5 from (18O,pnγ) and 669.1 7 from (18O,αpγ)
I(γ): unweighted average of 7.2 4 from (18O,pnγ) and 5.2 7 from (18O,αpγ)
M(γ): M1 in (18O,pnγ). RUL allows both M1 or E1.
  1041.3E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
M(γ): M1 in (18O,pnγ). RUL allows both M1 or E1.
  3462E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  3687.6  3598E(γ): weighted average of 3599 3 from 25Ne β- decay and 3595 4 from (t,pγ)
I(γ): From (t,pγ),(t,αγ)
  3687E(γ): weighted average of 3688 3 from 25Ne β- decay and 3685 5 from (t,pγ)
I(γ): From (t,pγ),(t,αγ)
  3928  3928E(γ): From (t,pγ),(t,αγ)
  3955.1  2887E(γ): weighted average of 2886 2 from (18O,pnγ), 2891 3 from (18O,αpγ), and 2887 3 from (t,pγ)
  3865I(γ): From (t,pγ),(t,αγ)
  3950E(γ): From (t,pγ),(t,αγ)
I(γ): From (t,pγ),(t,αγ)
  3999.0  1209.0E(γ): other: 1207 3 (t,pγ),(t,αγ). From (18O,αpγ)
M(γ): M1 in (18O,pnγ). RUL allows both M1 or E1.
  1579.7E(γ): weighted average of 1580 1 from (18O,pnγ) and 1579.1 13 from (18O,αpγ). From (18O,αpγ)
I(γ): unweighted average of 13.7 11 from (18O,pnγ) and 20.7 30 from (18O,αpγ)
  4003  2933E(γ): placement also available in (t,pγ),(t,αγ), Eγ from level energy difference.. From (18O,αpγ)
  4132  4132E(γ): From (t,pγ),(t,αγ)
  4965.8   966.7E(γ): weighted average of 966 1 from (18O,pnγ) and 967.3 9 from (18O,αpγ)
I(γ): unweighted average of 11.8 11 from (18O,pnγ) and 4.5 12 from (18O,αpγ)
  1506.4E(γ): weighted average of 1507 1 from (18O,pnγ) and 1506.2 6 from (18O,αpγ)
I(γ): From (18O,αpγ)
  2547.4E(γ): weighted average of 2547 1 from (18O,pnγ) and 2548.0 12 from (18O,αpγ). From 25Ne β- decay (603 ms)
I(γ): unweighted average of 38.9 22 from (18O,pnγ) and 57 4 from (18O,αpγ)
M(γ): M1 in (18O,pnγ). RUL allows both M1 or E1.
E(level)E(gamma)Comments
  5231.8  1875.6E(γ): weighted average of 1876 1 from (18O,pnγ) and 1875.0 12 from (18O,αpγ)
  2441E(γ): From (18O,αpγ)
  5388.4  2970.2E(γ): weighted average of 2971 1 from (18O,pnγ) and 2968.4 15 from (18O,αpγ)
M(γ): from (18O,pnγ).
  5748  3329E(γ): From (18O,αpγ)
  5847.3  3058E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  3427E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  6270  3480E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  3851E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  6379  2924E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  3958E(γ): other: 3965 3 (18O,pnγ). From (18O,αpγ)
I(γ): From (18O,αpγ)
  6581  3120E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  4163E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  6736.2  1348.9E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  1770.2E(γ): weighted average of 1770 1 from (18O,pnγ) and 1770.7 16 from (18O,αpγ)
I(γ): From (18O,αpγ)
  3275E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  4313E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
M(γ): From (18O,αpγ)
  6856.7  1467.9E(γ): From (18O,αpγ)
I(γ): weighted average of 97 8 from (18O,pnγ) and 84 13 from (18O,αpγ)
M(γ): from (18O,pnγ).
  3395E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  4440E(γ): weighted average of 4441 2 from (18O,pnγ) and 4436 3 from (18O,αpγ)
M(γ): From (18O,αpγ)
  7217  3218E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  4796E(γ): From (18O,αpγ)
I(γ): From (18O,αpγ)
  7624  2658E(γ): From (18O,αpγ)

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