ADOPTED LEVELS, GAMMAS for 13B
Authors: J.H. Kelley, C.G. Sheu and J. E. Purcell | Citation: Nucl. Data Sheets 198, 1 (2024) | Cutoff date: 1-Aug-2024
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=13436.9 keV 10 | S(n)= 4878.8 keV 17 | S(p)= 15804.8 keV 22 | Q(α)= -10817.9 keV 10 | ||
Reference: 2021WA16 |
References: | |||
A | 14Be β-n decay | B | 1H(12Be,13Be) |
C | 1H(13B,X) | D | 2H(12B,p) |
E | 2H(13B,13B) | F | 2H(15C,α) |
G | 4He(9Li,α) | H | 4He(12Be,13BG) |
I | 7Li(7Li,p),7Li(7Li,pγ) | J | 9Be(13B,X) |
K | 9Be(14B,13BG),197Au(14B,13BG) | L | 9Be(15N,13B) |
M | 9Be(40Ar,13B) | N | 11B(t,p) |
O | 11B(18O,16O) | P | 12C(9Be,8B) |
Q | 12C(12Be,13B) | R | 12C(13C,12N) |
S | 12C(14C,13N) | T | 12C(15N,14O) |
U | 12C(16O,13B),(18O,13B) | V | 13C(γ,π+) |
W | 13C(μ-,ν) | X | 13C(π-,γ) |
Y | 13C(π-,PI0) | Z | 13C(n,p) |
a | 13C(d,2He) | b | 13C(t,3He) |
c | 13C(7Li,7Be) | d | 14C(γ,p) |
e | 14C(d,3He) | f | 14C(t,4He) |
g | 14C(11B,12C) | h | 15N(p,3p) |
i | 16O(14C,17F) | j | 48Ca(11B,13B) |
k | 136Xe(p,13B) | l | 181Ta(22Ne,13B),(20Ne,13B) |
m | 197Au(15N,13B) | n | 208Pb(13B,13B) |
o | 232Th(18O,13B),232Th(22Ne,13B) | p | 238U(18O,13B) |
q | U(p,13B),232Th(p,13B) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | A CDEF HIJKLMNOP RSTUVWX Zabcdefghijklmnopq | 3/2- | 17.30 ms 17 % β- = 100 % β-n = 0.276 37 | |||||
3483 5 | D H K N P V X Z | 1/2+ | % IT = 100 | 3482 | 100 | 0.0 | 3/2- | |
3536.4 17 | A HI N P V X Z bc | 3/2- | 0.90 ps 21 % IT = 100 | 3536 2 | 100 | [M1,E2] | 0.0 | 3/2- |
3681 5 | D F HI K NOP RST a | (5/2+,3/2+) | 38 fs 14 % IT = 100 | 3680 | 100 | [E1] | 0.0 | 3/2- |
3713 5 | HI N P RST a e | 1/2- | ≤ 0.21 fs % IT = 100 | 178 3713 5 | <10 100 | 3536.4 0.0 | 3/2- 3/2- | |
4131 5 | HI K NO RST c | - | ≤ 0.21 fs % IT = 100 | 418 8 596 8 4131 6 | <14 33 14 100 14 | 3713 3536.4 0.0 | 1/2- 3/2- 3/2- | |
4829 6 | HI N S e i | 1/2+ | ≤ 0.21 fs % IT = 100 | 4828 | | 0.0 | 3/2- | |
5024 6 | I N R T | |||||||
5106 10 | D N P ab | 60 keV 10 | ||||||
5388 6 | D I NOP RST e | (1/2,3/2)- | 14 keV 5 | |||||
5557 7 ? | I | |||||||
6167 6 | HI NOP T e | < 20 keV | ||||||
6425 7 | HI NOP RST V X Za e | 36 keV 5 | ||||||
6934 9 | I N ST b i | 55 keV 15 | ||||||
7516 8 ? | I ST X Z | |||||||
7859 20 ? | I ST | |||||||
8134 7 | HI NO RST | 100 keV 15 | ||||||
8683 7 | I N RST | 89 keV 20 | ||||||
9.0E3 | Y | ≈ 8.1 MeV | ||||||
9440 30 | N RST | 81 keV 25 | ||||||
9.5E3 3 ? | c | |||||||
10220 20 | F N RST X Z b | 210 keV 20 | ||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
10890 20 | N | |||||||
11050 | RST | 1.8 MeV | ||||||
11.7E3 | F N | (5/2+,7/2+) | ||||||
12.2E3 | F | (5/2+,7/2+) | ||||||
13.6E3 1 | I Q T | ≤ 320 keV % α ≤ 100 | ||||||
14390 | T | ≈ 400 keV | ||||||
16.3E3 | G | |||||||
18.25E3 10 | B GH | 1/2+ | 0.7 MeV +4-3 | |||||
19.95E3 6 | B GH | 5/2+ | 0.60 MeV 10 |
T1/2(level): LABEL=T1/2 or Γ
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
3536.4 | 3/2- | 0.90 ps 21 % IT = 100 | 3536 2 | [M1,E2] | 0.00093 | B(E2)(W.u.)<0.81 (<a href= "http://www.nndc.bnl.gov/nsr/nsrlink.jsp?2009Iw03 ">2009Iw03</a>), B(M1)(W.u.)<7.2E-4 (<a href= "http://www.nndc.bnl.gov/nsr/nsrlink.jsp?2009Iw03 ">2009Iw03</a>), α=0.00093 8, α(K)=1.221E-7 23, α(L)=4.98E-9 10 |
3681 | (5/2+,3/2+) | 38 fs 14 % IT = 100 | 3680 | [E1] | 1.55×10-3 | B(E1)(W.u.)=7.7E-4 28, α=1.55E-3 2, α(K)=9.05E-8 13, α(L)=3.69E-9 5 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
3536.4 | 3/2- | 0.90 ps 21 % IT = 100 | XREF: b(3.6×103)c(3.5×103). |
4131 | - | ≤ 0.21 fs % IT = 100 | XREF: c(4.0×103). |
4829 | 1/2+ | ≤ 0.21 fs % IT = 100 | XREF: S(4910). |
5024 | E(level): Decay mode not reported; only IT and neutron emission are possible. | ||
5106 | 60 keV 10 | E(level): Decay mode not reported; only IT and neutron emission are possible. | |
5388 | (1/2,3/2)- | 14 keV 5 | E(level): Decay mode not reported; only IT and neutron emission are possible. |
5557 | E(level): Decay mode not reported; only IT and neutron emission are possible. | ||
6167 | < 20 keV | XREF: e(6.3×103). E(level): Decay mode not reported; only IT and neutron emission are possible. | |
6425 | 36 keV 5 | XREF: S(6370)e(6.3×103). E(level): Decay mode not reported; only IT and neutron emission are possible. | |
6934 | 55 keV 15 | XREF: i(6900). E(level): Decay mode not reported; only IT and neutron emission are possible. | |
7516 | E(level): Decay mode not reported; only IT and neutron emission are possible. | ||
7859 | E(level): Decay mode not reported; only IT and neutron emission are possible. | ||
8134 | 100 keV 15 | XREF: O(8.32×103). E(level): Decay mode not reported; only IT and neutron emission are possible. | |
8683 | 89 keV 20 | E(level): Decay mode not reported; IT, 1n and 2n emission are possible. | |
9440 | 81 keV 25 | XREF: R(9310). E(level): Decay mode not reported; IT, 1n and 2n emission are possible. | |
9.5E3 | E(level): Decay mode not reported; IT, 1n and 2n emission are possible. | ||
10220 | 210 keV 20 | E(level): Decay mode not reported; IT, 1n and 2n emission are possible. | |
10890 | E(level): Decay mode not reported; IT, 1n, 2n and α emission are possible. | ||
11050 | 1.8 MeV | XREF: R(11180)S(10980). E(level): Decay mode not reported; IT, 1n, 2n and α emission are possible. | |
11.7E3 | (5/2+,7/2+) | E(level): Decay mode not reported; IT, 1n, 2n and α emission are possible. | |
12.2E3 | (5/2+,7/2+) | E(level): Decay mode not reported; IT, 1n, 2n and α emission are possible. | |
14390 | ≈ 400 keV | E(level): Decay mode not reported; IT, 1n, 2n and α emission are possible. | |
18.25E3 | 1/2+ | 0.7 MeV +4-3 | T=(5/2) (2023Hu20) XREF: γ(18.4×103). |
19.95E3 | 5/2+ | 0.60 MeV 10 | T=(5/2) (2023Hu20) XREF: γ(19.5×103). |
E(level) | E(gamma) | Comments |
3483 | 3482 | E(γ): 3482 keV 6 from Level Energy Difference |
3713 | 178 | E(γ): 178 keV 6 from Level Energy Difference I(γ): From (1963Ca09). | 3713 | E(γ): 3713 keV 5 from Level Energy Difference I(γ): From (1963Ca09). |
4131 | 418 | E(γ): 418 keV 8 from Level Energy Difference I(γ): From (1963Ca09). | 596 | E(γ): 596 keV 8 from Level Energy Difference I(γ): From (1963Ca09). | 4131 | E(γ): 4131 keV 8 from Level Energy Difference I(γ): From (1963Ca09). |
4829 | 4828 | E(γ): 4828 keV 6 from Level Energy Difference |
General theory:
1973Sa25, 1973Sa30, 1974Ch46, 1981Av02, 1981Se06, 1983Va08, 1984Va06, 1990Wo10, 1991Po11, 1994Ho21, 1995Ka23, 1997Ba54, 1997Re07, 1999Gu14, 1999Kn04, 1999Ta09, 2001Ka66, 2001Ta04, 2003Is17, 2003Jh01, 2003Sm02, 2003Su04, 2004Um01, 2005Ar12, 2007Gu03, 2008Ka24, 2008Ka36, 2008Sh16, 2011Al11, 2011SuZU, 2012Yu07, 2013Ma60, 2014Me02, 2015Fo06, 2015Ka02, 2015Sh21, 2020Ch40, 2021Ca23, 2021Ma32, 2022Mo36, 2023Me02
Calculations related to dipole and quadrupole moments:
1972Gu05, 1984Ku07, 1984Va06, 1988Va03, 1991Bo02, 1998Hu08, 1999Ki27, 1999Ki28, 2001Sa24, 2002Sa12, 2003Is17, 2003Jh01, 2003Sm02, 2003Su04, 2003Su28, 2003Um02, 2014Ra17, 2021Ca23
Mirror nuclear decay and fundamental symmetry effect studies:
1970Wi02, 1971Bl12, 1973Sa25, 1973Wi11, 1977Az02, 1977Ri08, 1993Ch06, 1999Ba21, 2023Se01
Other relevant results:
1973Sa25: General review of the α=13 isobars and discussion on the isobaric multiplet mass equation. See also (1983An15).
2010Ma44: Measured G-parity conservation via correlations of nuclear spins and β-ray angular distribution. Found α_(13B)=+0.05% 2 MeV-1 and gII/ga=-0.8 5.
Q-value: S2n=8248.4 17; S2p=38744 1; Q(β-n)=8490.6 10 (2021Wa16)