ADOPTED LEVELS, GAMMAS for 11C
Authors: J.H. Kelley, C.G. Sheu | Citation: Nucl. Physics A880, 88 (2012) | Cutoff date: 1-Jan-2011
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-1.365×104 keV 5 | S(n)= 13119.8 keV 9 | S(p)= 8689.4 keV 9 | Q(α)= -7543.6 keV 10 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 1H(11C,11C) | B | 6Li(6Li,n) |
| C | 6Li(10B,11C) | D | 7Be(α,γ) |
| E | 9Be(3He,n) | F | 10B(p,γ) RES |
| G | 10B(p,p),(p,α) | H | 10B(d,n) |
| I | 10B(3He,d) | J | 10B(7Li,6He) |
| K | 11B(p,n) | L | 11B(3He,t) |
| M | 12C(π+,p) | N | 12C(p,d) |
| O | 12C(d,t) | P | 12C(3He,α) |
| Q | 12C(3He,PT) | R | 13C(π+,d) |
| S | 13C(p,t) | T | 14N(p,α) |
| U | 16O(d,7Li) | V | 16O(9Be,ALPHA7BE) |
| W | 10B(p,n) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0 | AB EF HIJKLMNOPQRSTU | 3/2- | 20.364 m 14 % ε = 100 | |||||
| 2000.0 4 | AB EF HIJKLMNOPQ STU | 1/2- | 7.1 fs 5 | 2000.0 | 100 | M1 | 0 | 3/2- |
| 4318.8 12 | AB EF HIJKLMNOPQ STU | 5/2- | < 8.3 fs | 2318 4318.8 | <2 100 | 2000.0 0 | 1/2- 3/2- | |
| 4804.2 12 | B EF HIJKLMN PQ STU | 3/2- | < 7.6 fs | 2804.2 4804.2 | 14.8 14 85.2 14 | 2000.0 0 | 1/2- 3/2- | |
| 6339.2 14 | B E HI K PQ U | 1/2+ | < 76.2 fs | 1535 2020 4339.2 6339.2 | <3 <7 33.5 21 66.5 21 | 4804.2 4318.8 2000.0 0 | 3/2- 5/2- 1/2- 3/2- | |
| 6478.2 13 | AB EF HIJKLMN P RS U | 7/2- | < 5.5 fs | 1674 2159.4 4477 6478.2 | <2 11.5 14 <2 88.5 14 | 4804.2 4318.8 2000.0 0 | 3/2- 5/2- 1/2- 3/2- | |
| 6904.8 14 | B E HIJKL N P S U | 5/2+ | < 48 fs | 427 566 2100.6 2586.0 4904 6904.8 | <5 <5 4.5 10 4.5 10 <1 91 2 | 6478.2 6339.2 4804.2 4318.8 2000.0 0 | 7/2- 1/2+ 3/2- 5/2- 1/2- 3/2- | |
| 7.4E3? | H K | 3/2+ | ||||||
| 7499.7 15 | B E I KL N P S | 3/2+ | < 63 fs | 595 1021 1160 2695 3181 5499.7 7499.7 | <4 <3 <3 <1 <1 64 2 36 2 | 6904.8 6478.2 6339.2 4804.2 4318.8 2000.0 0 | 5/2+ 7/2- 1/2+ 3/2- 5/2- 1/2- 3/2- | |
| 8104.5 17 | CDE HI L N P | 3/2- | 6 eV +12-2 % IT = 5.5 36 % α = 94.5 36 | 6104.5 8104.5 | 26 5 74 12 | M1 M1 | 2000.0 0 | 1/2- 3/2- |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 8420 2 | BCDEF HIJ L N P S | 5/2- | 15.7 eV 40 % IT = 20 5 % α = 80 5 | 4101 8420 | <7 100 | M1 | 4318.8 0 | 5/2- 3/2- |
| 8654 4 | C EF HIJ L N V | 7/2+ | ≤ 5 keV % α ≈ 100 % IT > 0 | |||||
| 8699 2 | EF HIJ L | 5/2+ | 15 keV 1 % p > 90 % IT < 10 | 2221 3895 4380 8699 | 13.6 46 2.4 15 42 10 42 10 | 6478.2 4804.2 4318.8 0 | 7/2- 3/2- 5/2- 3/2- | |
| 9200 50 | F N | 5/2+ | 500 keV 90 % IT > 0 % p < 100 | 2722 4881 9200 | 20 10 6 5 74 18 | 6478.2 4318.8 0 | 7/2- 5/2- 3/2- | |
| 9645 50 | FG N | (3/2-) | 210 keV 40 % IT > 0 % p < 100 % α < 100 | 4846 5331 9650 | 8 4 32 10 60 5 | 4804.2 4318.8 0 | 3/2- 5/2- 3/2- | |
| 9780 50 | FG N | (5/2-) | 240 keV 50 % IT > 0 % p < 100 | 3302 4976 5461 9780 | 12 4 4 2 8 2 76 16 | 6478.2 4804.2 4318.8 0 | 7/2- 3/2- 5/2- 3/2- | |
| 9970 50 | F | (7/2-) | 120 keV 20 % IT > 0 % p < 100 | 3492 5651 | 10 7 90 10 | 6478.2 4318.8 | 7/2- 5/2- | |
| 10083 5 | FGHI L N | 7/2+ | ≈ 230 keV % p ≈ 36 % α ≈ 64 % IT > 0 | 3605 5764 | 13 6 67 8 | 6478.2 4318.8 | 7/2- 5/2- | |
| 10679 5 | EFGHI L N V | 9/2+ | 200 keV 30 % p ≈ 50 % α ≈ 50 % IT > 0 | 10679 | 100 | 0 | 3/2- | |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 11030 30 | G L N P S | 300 keV 60 % p < 100 % α < 100 | ||||||
| 11440 10 | G L N | 360 keV % α ≈ 100 % p > 0 | ||||||
| 12160 40 | E G L | 270 keV 50 % p = ? | ||||||
| 12400 | F P | - | 1.4 MeV 4 % IT = ? % p = ? | |||||
| 12510 30 | E G LM S | 1/2- | 500 keV 50 % p = ? | |||||
| 12650 20 | G L | (7/2+) | 360 keV % p ≈ 50 % α ≈ 50 % 3HE > 0 | |||||
| 13010? | F | % IT > 0 % p < 100 | ||||||
| 13330 60 | M S | 270 keV 80 | ||||||
| 13400 | G N V | 11×10+2 keV 1 % p = ? % α = ? | ||||||
| 13900 20 | E G L S | 200 keV 40 % p = ? | ||||||
| 14070 20 | G L S W | 135 keV 50 % n = ? % p = ? | ||||||
| 14760 40 | E G W | ≈ 450 keV % n = ? % p = ? % 3HE = ? | ||||||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 15350 50 | FG P W | - | % IT > 0 % n < 100 % p < 100 | |||||
| 15590 50 | G W | ≈ 450 keV % n = ? % p = ? | ||||||
| 16700 | F | - | 0.82 MeV 9 % IT > 0 % p < 100 | |||||
| 18200? | F | % IT > 0 % p < 100 | ||||||
| 23000? | P | |||||||
| 28000? | P | |||||||
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Additional Data |
| 2000.0 | 1/2- | 7.1 fs 5 | 2000.0 | M1 | B(M1)(W.u.)=0.38 3 |
| 8104.5 | 3/2- | 6 eV +12-2 % IT = 5.5 36 % α = 94.5 36 | 6104.5 | M1 | B(M1)(W.u.)=1.9×10-2 5 |
| 3/2- | 6 eV +12-2 % IT = 5.5 36 % α = 94.5 36 | 8104.5 | M1 | B(M1)(W.u.)=2.3×10-2 5 | |
| 8420 | 5/2- | 15.7 eV 40 % IT = 20 5 % α = 80 5 | 8420 | M1 | B(M1)(W.u.)=0.25 9 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 4318.8 | 5/2- | < 8.3 fs | It: branching ratios from (1961Do03): 10B(p,γ) and (1968Ea03): 12C(3He,α). E(level): It: branching ratios from (1961Do03): 10B(p,γ) and (1968Ea03): 12C(3He,α). T1/2(level): From (1979An16). See also (1981Ca06) for mean life of 11C*(4319, 4804, 6478). |
| 4804.2 | 3/2- | < 7.6 fs | It:branching ratios from (1965Ol03): 9Be(3He,n) and 10B(d,n), (1961Do03): 10B(p,γ), (1962Fr06):10B(d,n) and (1968Ea03): 12C(3He,α). E(level): It:branching ratios from (1965Ol03): 9Be(3He,n) and 10B(d,n), (1961Do03): 10B(p,γ), (1962Fr06):10B(d,n) and (1968Ea03): 12C(3He,α). T1/2(level): From (1979An16). See also (1981Ca06) for mean life of 11C*(4319, 4804, 6478). |
| 6339.2 | 1/2+ | < 76.2 fs | It: branching ratios from (1965Ro07): 9Be(3He,n) and (1968Ea03): 12C(3He,α). E(level): It: branching ratios from (1965Ro07): 9Be(3He,n) and (1968Ea03): 12C(3He,α). |
| 6478.2 | 7/2- | < 5.5 fs | It: branching ratios from (1962Fr06):10B(d,n), (1962Br26): 10B(d,n) and (1968Ea03): 12C(3He,α). E(level): It: branching ratios from (1962Fr06):10B(d,n), (1962Br26): 10B(d,n) and (1968Ea03): 12C(3He,α). T1/2(level): From (1979An16). See also (1981Ca06) for mean life of 11C*(4319, 4804, 6478). |
| 6904.8 | 5/2+ | < 48 fs | It: branching ratios to 11C*(0,2,4.3,4.8 MeV) from (1968Ea03): 12C(3He,α). See also (1965Ol03) who report Branching=89(3), <2, 11(3), <3, <5 and <5% for decay to 11C*(0,2,4.3,4.8,6.3,6.5,6.9 MeV). E(level): It: branching ratios to 11C*(0,2,4.3,4.8 MeV) from (1968Ea03): 12C(3He,α). See also (1965Ol03) who report Branching=89(3), <2, 11(3), <3, <5 and <5% for decay to 11C*(0,2,4.3,4.8,6.3,6.5,6.9 MeV). |
| 7499.7 | 3/2+ | < 63 fs | It: branching ratios from (1965Ol03) who report Branching=36(2), 64(2), <3, <3, <3, <3, <4 to 11C*(0,2,4.3,4.8,6.3,6.5,6.9 MeV) and from (1968Ea03) who report Branching=37(3), 63(8), <1, <1 for decay to 11C*(0,2,4.3,4.8 MeV). E(level): It: branching ratios from (1965Ol03) who report Branching=36(2), 64(2), <3, <3, <3, <3, <4 to 11C*(0,2,4.3,4.8,6.3,6.5,6.9 MeV) and from (1968Ea03) who report Branching=37(3), 63(8), <1, <1 for decay to 11C*(0,2,4.3,4.8 MeV). |
| 8104.5 | 3/2- | 6 eV +12-2 % IT = 5.5 36 % α = 94.5 36 | Γγ=0.350 56, Γα=6 +12-2 It: Branching from (1984Ha13): 7Be(α,γ). E(level): It: Branching from (1984Ha13): 7Be(α,γ). |
| 8420 | 5/2- | 15.7 eV 40 % IT = 20 5 % α = 80 5 | It: Branching from (1984Ha13): 7Be(α,γ). E(level): It: Branching from (1984Ha13): 7Be(α,γ). |
| 8654 | 7/2+ | ≤ 5 keV % α ≈ 100 % IT > 0 | Γ(c.m.)|<4.5 keV; Γγ/Γ<0.06 (1983Wi09). |
| 8699 | 5/2+ | 15 keV 1 % p > 90 % IT < 10 | Γ(c.m.)=14.5 keV 25 and Γγ/Γ|<0.1 (1983Wi09), based on direct capture data; however, based on resonance parameters Γ(c.m.)=16 keV 1 and Γγ/Γ|=2.60×10-4 15 (1983Wi09). E(level): Γ(c.m.)=14.5 keV 25 and Γγ/Γ|<0.1 (1983Wi09), based on direct capture data; however, based on resonance parameters Γ(c.m.)=16 keV 1 and Γγ/Γ|=2.60×10-4 15 (1983Wi09). |
| 9200 | 5/2+ | 500 keV 90 % IT > 0 % p < 100 | It: Branching from (1983Wi09): 10B(p,γ). E(level): It: Branching from (1983Wi09): 10B(p,γ). |
| 9645 | (3/2-) | 210 keV 40 % IT > 0 % p < 100 % α < 100 | It: Branching from (1983Wi09): 10B(p,γ). Also see (1979An16). E(level): It: Branching from (1983Wi09): 10B(p,γ). Also see (1979An16). |
| 9780 | (5/2-) | 240 keV 50 % IT > 0 % p < 100 | It: Branching from (1983Wi09): 10B(p,γ). Also see (1979An16). E(level): It: Branching from (1983Wi09): 10B(p,γ). Also see (1979An16). |
| 9970 | (7/2-) | 120 keV 20 % IT > 0 % p < 100 | It: Branching from (1983Wi09): 10B(p,γ). E(level): It: Branching from (1983Wi09): 10B(p,γ). |
| 10083 | 7/2+ | ≈ 230 keV % p ≈ 36 % α ≈ 64 % IT > 0 | It: Branching from (1983Wi09): 10B(p,γ). E(level): It: Branching from (1983Wi09): 10B(p,γ). |
| 10679 | 9/2+ | 200 keV 30 % p ≈ 50 % α ≈ 50 % IT > 0 | It: Branching from (1983Wi09): 10B(p,γ). E(level): It: Branching from (1983Wi09): 10B(p,γ). |
| 11030 | 300 keV 60 % p < 100 % α < 100 | T=1/2 Additional levels seen at 11260 h. | |
| 11440 | 360 keV % α ≈ 100 % p > 0 | Additional levels seen at 11520 h, 11954 γ, 12100 V. | |
| 12510 | 1/2- | 500 keV 50 % p = ? | T=3/2 Additional levels seen at 12600 V. |
| E(level) | E(gamma) | Comments |
| 6478.2 | 6478.2 | I(γ): cascades via 11C*(2000, 4804)<2% |
| 8104.5 | 6104.5 | E(γ): See (1984Ha13) | 8104.5 | E(γ): See (1984Ha13) |
| 8420 | 8420 | E(γ): See (1984Ha13) |
| 8699 | 2221 | E(γ): See (1983Wi09) | 3895 | E(γ): See (1983Wi09) | 4380 | E(γ): See (1983Wi09) | 8699 | E(γ): See (1983Wi09) |
| 9200 | 2722 | E(γ): See (1983Wi09) | 4881 | E(γ): See (1983Wi09) | 9200 | E(γ): See (1983Wi09) |
| 9645 | 4846 | E(γ): See (1983Wi09). See also (1979An16) | 5331 | E(γ): See (1983Wi09). See also (1979An16) | 9650 | E(γ): See (1983Wi09). See also (1979An16) |
| 9780 | 3302 | E(γ): See (1983Wi09). See also (1979An16) | 4976 | E(γ): See (1983Wi09). See also (1979An16) | 5461 | E(γ): See (1983Wi09). See also (1979An16) | 9780 | E(γ): See (1983Wi09). See also (1979An16) |
| 9970 | 3492 | E(γ): See (1983Wi09) | 5651 | E(γ): See (1983Wi09) |
| 10083 | 3605 | E(γ): See (1983Wi09) | 5764 | E(γ): See (1983Wi09) |
| 10679 | 10679 | E(γ): See (1983Wi09) |
Gammas: Mostly from (1965Ol03) and (1968Ea03): see Table 11.20 in (1980Aj01) for other references and additional information
Q-value: Note: Current evaluation has used the following Q record -13826 6013119.7 10 8689.4 10-7543.6 9 2011AuZZ
Q-value: Based on mass excess (11C)=10650.4 9 Here the mass excess for 11N = 24477 keV 60 differs from that in (2011AuZZ) (24303 keV 46).