ADOPTED LEVELS, GAMMAS for 7Li

Authors: Hu, Tilley, Kelley, Godwin Et Al. |  Citation: Nucl. Physics A708, 3 (2002) |  Cutoff date: 23-Aug-2001 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-861.89 keV 8S(n)= 7251 keV S(p)= 9973.96 keV 5Q(α)= -2468 keV
Reference: 2012WA38

References:
  A  7Be ε decay  B  3H(α,n)
  C  3H(α,α)  D  4He(3He,π+)
  E  6Li(n,n)  F  6Li(p,π+)
  G  6Li(d,p)  H  7Li(γ,n),(γ,2n)
  I  7Li(E,E’),(E,εp)  J  7Li(π++’),(π--’)
  K  7Li(n,n)  L  7Li(p,p)
  M  7Li(3He,3He),(3He,PD)  N  7Li(α,α),(α,α’)
  O  7Li(α,2α)  P  7Li(12C,12C)
  Q  9Be(π-,2n)  R  9Be(p,3He),(p,PD)
  S  9Be(d,α)  T  9Be(d,TA)
  U  10B(n,α)  V  11B(α,8Be)
  W  14N(n,2α)  X  6Li(n,γ) E=THERMAL
  Y  7Li(γ,γ’)  Z  7Be(n,p)
  a  11Be β-alpha; decay 

General Comments:

See 1984Aj01 for 6Li+n resonance parameters

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








E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
M(γ)
      0.0AB D FGHIJKLMN PQRS UVWXYZa 3/2- STABLE   
    477.612 3 A  D FG IJKLMN PQRS UVWXYZa 1/2- 73 fs 2     477.595
M1(+E2)
   4630 9   CD FG IJKLMNOP RSTUVW     7/2- 93 keV 8 
% 3H = ?
% α = ?
  4628
E2
   6680 50   C  FG IJK  NO    T VW     5/2- 0.88 MeV +20-10 
% 3H = ?
% α = ?
  
   7459.5 10  BC EFGHIJKL NO QRST V      5/2- 89 keV 7 
% n = ?
% 3H = ?
% α = ?
  
      9.67E+3 10  BC   G  J L N     T        7/2- ≈ 400 keV
% 3H = ?
% α = ?
% n = ?
  
   9850    E           Q           3/2- ≈ 1200 keV
% n = ?
% α = ?
  
  11240 30     E   I        R          3/2- 260 keV 35 
% n = ?
% p = ?
  
  13700       H                    ≈ 500 keV
% n = ?
  
  14700       H                    ≈ 700 keV
% n = ?
  

E(γ): From E(level) difference; recoil correction applied

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Additional Gamma Data:











E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityAdditional Data
    477.612 1/2- 73 fs 2     477.595M1(+E2)B(E2)(W.u.)=19.7 12, B(M1)(W.u.)=2.75 14
   4630 7/2- 93 keV 8 
% 3H = ?
% α = ?
  4628E2B(E2)(W.u.)=4.3

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
   46307/2- 93 keV 8 
% 3H = ?
% α = ?
T=1/2
α R-matrix fit to 6Li(n,n),(n,t), 4He(t,n),(t,t) data indicates Ex=4652 +/-≈5% and Γ=69 keV (2002Ti10).
   66805/2- 0.88 MeV +20-10 
% 3H = ?
% α = ?
T=1/2
α R-matrix fit to 6Li(n,n),(n,t), 4He(t,n),(t,t) data indicates Ex=6604 +/-≈5% and Γ=918 keV (2002Ti10).
   7459.55/2- 89 keV 7 
% n = ?
% 3H = ?
% α = ?
T=1/2
α R-matrix fit to 6Li(n,n),(n,t), 4He(t,n),(t,t) data indicates Ex=7454 +/-≈5% and Γ=80 (2002Ti10).
      9.67E+37/2- ≈ 400 keV
% 3H = ?
% α = ?
% n = ?
T=1/2
α R-matrix fit to 6Li(n,n),(n,t), 4He(t,n),(t,t) data indicates Ex=9.57×103 +/-≈5% and Γ=437 (2002Ti10).
   98503/2- ≈ 1200 keV
% n = ?
% α = ?
T=1/2
α R-matrix fit to 6Li(n,n),(n,t), 4He(t,n),(t,t) data indicates Ex=8750 +/-≈5% and Γ=4712 keV (2002Ti10). In addition, this R-matrix fit suggests a level at Ex=9.09 MeV with Jπ=1/2-, t=1/2 and Γ=2752 keV.
E(level): α R-matrix fit to 6Li(n,n),(n,t), 4He(t,n),(t,t) data indicates Ex=8750 +/-≈5% and Γ=4712 keV (2002Ti10). In addition, this R-matrix fit suggests a level at Ex=9.09 MeV with Jπ=1/2-, t=1/2 and Γ=2752 keV.

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