ADOPTED LEVELS, GAMMAS for 95Y

Authors: S. K. Basu, G. Mukherjee, A. A. Sonzogni |  Citation: Nucl. Data Sheets 111, 2555 (2010) |  Cutoff date: 30-Jun-2009 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=4450 keV 7S(n)= 6930 keV 10S(p)= 9655 keV 7Q(α)= -5891 keV 11
Reference: 2012WA38

References:
  A  95Sr β- decay  B  235U(n,Fγ)
  C  96Zr(d,3He),(pol t,α)  D  248Cm SF decay
  E  252Cf SF decay 

General Comments:

Gammas: All data are from β- decay, except as noted

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

Q-value: S(2n)=13127 13, S(2p)=23167 10 (2009AuZZ)










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     0.0ABCDE 1/2- 10.3 m 1 
% β- = 100
     
   685.9 3 ABC   3/2-      685.7
  100

     0.0
1/2-
   826.9 4 ABCDE 5/2-      141.0
   826.8
    0.51 10 
  100 3 


   685.9
     0.0
3/2-
1/2-
  1087.6 6 ABCDE 9/2+ 52.6 µs 12     260.7
   401.8
  100 3 
    1.10 10 
(M2)
(E3)
   826.9
   685.9
5/2-
3/2-
  1630.9 6 A C   (5/2-)      543.4?
   945.0
    1.50
  100 12 


  1087.6
   685.9
9/2+
3/2-
  1827.8 10    DE (11/2+)      740.2
  100

  1087.6
9/2+
  1889.8 8 A C   5/2-     1062.8
  100

   826.9
5/2-
  1963.4 5 A C   (3/2-,5/2-)     1136.6
  1277.4
    5.5
  100 12 


   826.9
   685.9
5/2-
3/2-
  2021.0 5 A C   (3/2-)     1194.0
  1335.4
  2020.0
   10.0
  100 13 
   40



   826.9
   685.9
     0.0
5/2-
3/2-
1/2-
  2046.6 7 A C   (1/2-,3/2-)     1360.9
  2046.4
  100 14 
   64 10 


   685.9
     0.0
3/2-
1/2-
  2173.4 10    DE (13/2)+      345.6
  1085.8
   47 4 
  100 6 

E2
  1827.8
  1087.6
(11/2+)
9/2+
  2207.6 6 A     (5/2-,7/2-)      576.6
  1120.0?
  100 12 
   15.0


  1630.9
  1087.6
(5/2-)
9/2+
  2308 10   C   3/2-        
  2408.5 6 A     (3/2-,5/2-)     1581.4
  1722.5
   22.0
  100 14 


   826.9
   685.9
5/2-
3/2-
  2557.6 7 A     (1/2-,3/2-)     1872.0
  2557.2
  100
   40


   685.9
     0.0
3/2-
1/2-
  2614.6 5 A C   (3/2-,5/2-)      406.9
   651.3
   724.6
   983.8
  1928.5
   10.0
    6.0
   15.0
  100 12 
    8.0





  2207.6
  1963.4
  1889.8
  1630.9
   685.9
(5/2-,7/2-)
(3/2-,5/2-)
5/2-
(5/2-)
3/2-
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  2684.0 6 A C   (1/2-,3/2-)     2684.0
  100

     0.0
1/2-
  2717.2 6 A     (1/2+,3/2+)     2031.5
  2717.3
   10.3 15 
  100 12 


   685.9
     0.0
3/2-
1/2-
  2781.8 6 A     (3/2-)     1954.8
  2096.1
  2781.8
    9.0
   12 6 
  100 14 



   826.9
   685.9
     0.0
5/2-
3/2-
1/2-
  2855 20   C          
  2906 20   C          
  2933.4 5 A C   (3/2+)      970.0
  1302.5
  2106.3
  2247.6
  2933.1
    2.00
    2.00
    2.00
   93 11 
  100 12 





  1963.4
  1630.9
   826.9
   685.9
     0.0
(3/2-,5/2-)
(5/2-)
5/2-
3/2-
1/2-
  3116.8 7 A     (1/2-,3/2-)     2430.8
  3116.8
   45
  100 16 


   685.9
     0.0
3/2-
1/2-
  3142.5 14    DE (17/2-) 16 ns 3     969.1
  100
(M2)
  2173.4
(13/2)+
  3314.3 17    DE (19/2+)      171.8
  100
(E1)
  3142.5
(17/2-)
  3352.9 5 A     (3/2)      419.5
   668.6
  1145.4
  2667.4
  3352.8
    9.0
   14.0
   12.0
   19.0
  100 15 





  2933.4
  2684.0
  2207.6
   685.9
     0.0
(3/2+)
(1/2-,3/2-)
(5/2-,7/2-)
3/2-
1/2-
  3391.8 5 A C   (3/2)      458.4
   708.4
   777.3
  1184.0
  1370.5
  1428.3
  2564.9
  2705.8
   30
   19.0
  100 13 
   27
   15.0
   57
    6.0
   38 7 








  2933.4
  2684.0
  2614.6
  2207.6
  2021.0
  1963.4
   826.9
   685.9
(3/2+)
(1/2-,3/2-)
(3/2-,5/2-)
(5/2-,7/2-)
(3/2-)
(3/2-,5/2-)
5/2-
3/2-
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  3507.4 7 A     (1/2-,3/2-)     2821.4
  3507.5
   80
  100


   685.9
     0.0
3/2-
1/2-
  3576.6 5 A     (3/2+)      961.6
  1612.7
  2749.7
  2891.0
  3577.0
   44
   25.0
   35 6 
  100 14 
   44





  2614.6
  1963.4
   826.9
   685.9
     0.0
(3/2-,5/2-)
(3/2-,5/2-)
5/2-
3/2-
1/2-
  3616.1 5 A     (1/2+,3/2+)      899.2
   931.9
  1207.3
  2930.5
  3616.1
   11.0
    3.0
    8.0
   22.0
  100 14 





  2717.2
  2684.0
  2408.5
   685.9
     0.0
(1/2+,3/2+)
(1/2-,3/2-)
(3/2-,5/2-)
3/2-
1/2-
  3651.3 7 A     (1/2-,3/2-)     2965.0
  3651.6
  100
   63


   685.9
     0.0
3/2-
1/2-
  3743.3 10 A     (1/2,3/2)     3743.2
  100

     0.0
1/2-
  3775.8 19    DE (21/2+)      461.5
   14 2 

  3314.3
(19/2+)
  3943.5 6 A     (1/2-,3/2-)     3116.6
  3257.6
  3943.4
  100
   40
   60



   826.9
   685.9
     0.0
5/2-
3/2-
1/2-
  4075.1 6 A     (1/2+,3/2+)     2112.0
  3388.9
  4075.1
    4.0
   11.0
  100 15 



  1963.4
   685.9
     0.0
(3/2-,5/2-)
3/2-
1/2-
  4076.0 19    DE (21/2-)      761.7
  100

  3314.3
(19/2+)
  4160.7 8 A C   (3/2)     3334.2
  3474.3
   60
  100


   826.9
   685.9
5/2-
3/2-
  4190.4 8 A C   (1/2,3/2)     2168.7
  4191.0
  100
   20.0


  2021.0
     0.0
(3/2-)
1/2-
  4214.3 6 A     (1/2,3/2)     2251.0
  3528.0
  4214.4
   75
  100
  100



  1963.4
   685.9
     0.0
(3/2-,5/2-)
3/2-
1/2-
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  4268.1 7 A     (1/2+,3/2+)     3582.2
  4268.0
   15.0
  100 18 


   685.9
     0.0
3/2-
1/2-
  4272.8 20     E (23/2-)      196.8
   497.0
  100 14 
   79 10 


  4076.0
  3775.8
(21/2-)
(21/2+)
  4339.9 21    DE (23/2+)      564.1
  100

  3775.8
(21/2+)
  4348.3 10 A     (1/2-,3/2-)     4348.2
  100

     0.0
1/2-
  4360.3 7 A     (1/2-,3/2-)     3674.5
  4360.0
  100
   80


   685.9
     0.0
3/2-
1/2-
  4420.6 10 A     (1/2-,3/2-)     4420.5
  100

     0.0
1/2-
  4563.4 10 A     (1/2-,3/2-)     3877.5
  100

   685.9
3/2-
  4901.6 22     E (25/2+)      561.8
  100

  4339.9
(23/2+)
  4921.1 21    DE (23/2-)     1145.3
  100

  3775.8
(21/2+)
  5022.2 21    DE (27/2-) 65 ns 4     101.2
   120.6
   682.3
  1246.3
   57 9 
   26 4 
  100 13 
   57 9 
(E2)
(E1)
(M2)
(E3)
  4921.1
  4901.6
  4339.9
  3775.8
(23/2-)
(25/2+)
(23/2+)
(21/2+)
  5810.2 23     E (29/2-,31/2-)      788.0
  100

  5022.2
(27/2-)

E(level): From least squares fit to γ-energies assuming ΔEγ=1 keV when unknown, except otherwise noted.

Jπ(level): Jπ from log ft=5.9 to 6.9 from 1/2+, except as noted; multipolarities were assumed to be d,E2 in deriving the spins and parities. See 1981PfZZ for other suggested spins and parities

M(γ): From comparison to RUL and α(K)exp in β- decay, unless otherwise stated

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Additional Gamma Data:













E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityConversion
Coefficient
Additional Data
   826.9 5/2-      826.8 0.00236α=0.00236 4
  1087.6 9/2+ 52.6 µs 12     260.7(M2)0.0694B(M2)(W.u.)=0.033 1, α=0.0694, α(K)=0.0604 9, α(L)=0.00752 11, α(M)=0.001297 19, α(N)=0.0001731 25, α(O)=1.151×10-5 17, α(N+)=0.000185 3
9/2+ 52.6 µs 12     401.8(E3)B(E3)(W.u.)=2.7 3
  3142.5 (17/2-) 16 ns 3     969.1(M2)0.001569B(M2)(W.u.)=0.17 1, α=0.001569 22, α(K)=0.001385 20, α(L)=0.0001543 22, α(M)=2.64×10-5 4, α(O)=2.49E-7 4, α(N+)=3.80E-6
  5022.2 (27/2-) 65 ns 4     101.2(E2)B(E2)(W.u.)=0.85 9
(27/2-) 65 ns 4     120.6(E1)B(E1)(W.u.)=3.8E-07 6
(27/2-) 65 ns 4     682.3(M2)B(M2)(W.u.)=0.77 9
(27/2-) 65 ns 4    1246.3(E3)B(E3)(W.u.)=2.0 3

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.01/2- 10.3 m 1 
% β- = 100
μ=-0.16 3
Δ<r2>(95,89)=+0.723 fm2, deduced from isotope shift (2007Ch07).
Jπ(level): Jπ from σ(θ) and α(θ) in (pol t,α).
   685.93/2-   Jπ(level): Jπ from σ(θ) and α(θ) in (pol t,α).
   826.95/2-   Jπ(level): Jπ from σ(θ) and α(θ) in (pol t,α).
  1827.8(11/2+)   Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets.
  1889.85/2-   Jπ(level): Jπ from σ(θ) and α(θ) in (pol t,α).
  1963.4(3/2-,5/2-)   XREF: C(1983).
Jπ(level): Jπ|<5/2- from log ft=7.0 to 7.4 (log f1ut|>8.5) from 1/2+. γ to 5/2-.
  2021.0(3/2-)   Jπ(level): Jπ|<5/2- from log ft=7.0 to 7.4 (log f1ut|>8.5) from 1/2+. γ to 5/2-. Jπ=3/2- from σ(θ) and a(θ) in (pol t,α) for the doublet.
  2046.6(1/2-,3/2-)   XREF: C(2041).
Jπ(level): Jπ=3/2- from σ(θ) and a(θ) in (pol t,α) for the doublet. Jπ from log ft=7.2 to 7.4 (log f1ut|>8.5) from 1/2+.
  2173.4(13/2)+   Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets.
  23083/2-   E(level): Groups observed at 2308, 2603, 2655, and 2855 in (pol t,α) were too broad to be a single state.
Jπ(level): Jπ from σ(θ) and α(θ) in (pol t,α).
  2408.5(3/2-,5/2-)   Jπ(level): Jπ|<5/2- from log ft=7.0 to 7.4 (log f1ut|>8.5) from 1/2+. γ to 5/2-.
  2557.6(1/2-,3/2-)   Jπ(level): Jπ from log ft=7.2 to 7.4 (log f1ut|>8.5) from 1/2+.
  2614.6(3/2-,5/2-)   XREF: C(2603).
E(level): Groups observed at 2308, 2603, 2655, and 2855 in (pol t,α) were too broad to be a single state.
Jπ(level): Jπ|<5/2- from log ft=7.0 to 7.4 (log f1ut|>8.5) from 1/2+. γ to 5/2-.
  2684.0(1/2-,3/2-)   XREF: C(2655).
E(level): Groups observed at 2308, 2603, 2655, and 2855 in (pol t,α) were too broad to be a single state.
  2781.8(3/2-)   Jπ(level): Jπ=1/2,3/2 from log ft=5.9 to 6.7 from 1/2+. γ to 5/2-.
  2855   E(level): Groups observed at 2308, 2603, 2655, and 2855 in (pol t,α) were too broad to be a single state.
  3142.5(17/2-) 16 ns 3  Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets.
  3314.3(19/2+)   Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets.
  3391.8(3/2)   XREF: C(3405).
Jπ(level): Jπ=1/2,3/2 from log ft=5.9 to 6.7 from 1/2+. γ to 5/2-.
  3576.6(3/2+)   Jπ(level): Jπ=1/2,3/2 from log ft=5.9 to 6.7 from 1/2+. γ to 5/2-.
  3775.8(21/2+)   Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets.
  3943.5(1/2-,3/2-)   Jπ(level): Jπ=1/2,3/2 from log ft=5.9 to 6.7 from 1/2+. γ to 5/2-.
  4076.0(21/2-)   Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets.
  4160.7(3/2)   XREF: C(4150).
Jπ(level): Jπ=1/2,3/2 from log ft=5.9 to 6.7 from 1/2+. γ to 5/2-.
  4272.8(23/2-)   Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets.
E(level)Jπ(level)T1/2(level)Comments
  4339.9(23/2+)   Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets.
  4901.6(25/2+)   Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets.
  4921.1(23/2-)   Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets.
  5022.2(27/2-) 65 ns 4  Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets.
  5810.2(29/2-,31/2-)   Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets.

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Additional Gamma Comments:

E(level)E(gamma)Comments
  1087.6   260.7M(γ): Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus.
   401.8M(γ): Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus.
  1827.8   740.2E(γ): From 252Cf SF decay
  3142.5   969.1M(γ): Q from (969γ)(1086γ)(θ), M2 from isomer half-life. Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus.
  3314.3   171.8M(γ): ΔJ=1, dipole from (172γ)(1086γ)(θ); consistent with Jπ assignment
  5022.2   101.2M(γ): Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus.
   120.6M(γ): Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus.
   682.3M(γ): Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus.
  1246.3M(γ): Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus.

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