ADOPTED LEVELS, GAMMAS for 76Zn
Authors: Balraj Singh, Jun Chen and Ameenah R. Farhan | Citation: Nucl. Data Sheets 194, 3 (2024) | Cutoff date: 8-Jan-2024
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=3993.6 keV 24 | S(n)= 7815.4 keV 24 | S(p)= 15121.8 keV 16 | Q(α)= -10501.9 keV 27 | ||
| Reference: 2021WA16 |
| References: | |||
| A | 76Cu β- decay (637 MS) | B | 77Cu β-n decay (469.8 MS) |
| C | 1H(76Zn,p’) | D | 9Be(HI,76ZnG) |
| E | Coulomb Excitation | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0.0 | ABCDE | 0+ | 5.7 s 3 % β- = 100 | |||||
| 598.669 21 | ABCDE | 2+ | 25.4 ps +37-29 | 598.695 23 | 100 | [E2] | 0.0 | 0+ |
| 1296.470 24 | ABCDE | (4+) | 10.4 ps +25-22 | 697.812 14 | 100 | [E2] | 598.669 | 2+ |
| 2266.465 26 | A | (2+) | 1667.80 3 2266.38 4 | 100 2 57.0 13 | 598.669 0.0 | 2+ 0+ | ||
| 2349.635 32 | A D | (6+) | 1053.22 3 | 100 | 1296.470 | (4+) | ||
| 2633.607 27 | A | (4-) | 25.4 ns 4 | 1337.109 16 2034.74 14 | 100 0.065 13 | [E1] | 1296.470 598.669 | (4+) 2+ |
| 2739.20 6 | A | (3+) | 1442.76 8 2140.46 7 | 76 5 100 5 | 1296.470 598.669 | (4+) 2+ | ||
| 2813.762 30 | A | (4+,5) | 180.12 3 464.160 22 1517.38 4 | 74.7 26 100 9 40.7 16 | 2633.607 2349.635 1296.470 | (4-) (6+) (4+) | ||
| 2949.78 11 | A | 2351.07 11 | 100 | 598.669 | 2+ | |||
| 2974.536 30 | A | (3-) | 340.921 20 707.92 6 2375.80 8 | 100.0 21 4.87 26 5.18 31 | 2633.607 2266.465 598.669 | (4-) (2+) 2+ | ||
| 3017.06 5 | A | (1) | 2418.19 8 3016.81 9 | 100 5 75.0 32 | 598.669 0.0 | 2+ 0+ | ||
| 3033.74 9 | A | 1737.25 8 | 100 | 1296.470 | (4+) | |||
| 3079.62 14 | A | 2480.91 14 | 100 | 598.669 | 2+ | |||
| 3154.62 6 | A | (2+,3) | 137.47 5 888.59 11 1857.8 4 2555.62 19 | 100 5 51 5 18 6 33 8 | 3017.06 2266.465 1296.470 598.669 | (1) (2+) (4+) 2+ | ||
| 3212.10 17 | A | 2613.35 17 | 100 | 598.669 | 2+ | |||
| 3233.231 33 | A | (3-,4-) | 258.63 3 419.50 2 1936.49 18 | 55 5 100 5 7.4 10 | 2974.536 2813.762 1296.470 | (3-) (4+,5) (4+) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 3272.70 4 | A | (3,4+) | 117.88 13 298.10 10 639.08 14 1006.23 3 1976.35 16 | 10.2 14 28 4 12.2 17 100.0 24 17 2 | 3154.62 2974.536 2633.607 2266.465 1296.470 | (2+,3) (3-) (4-) (2+) (4+) | ||
| 3512.1 5 | A | 2913.4 5 | 100 | 598.669 | 2+ | |||
| 3514.36 9 | A | 2217.85 9 | 100 | 1296.470 | (4+) | |||
| 3572.7 5 | A | 939.1 5 | 100 | 2633.607 | (4-) | |||
| 3604.94 18 | A | 2308.38 18 | 100 | 1296.470 | (4+) | |||
| 3638.09 17 | A | 365.47 24 | 100 | 3272.70 | (3,4+) | |||
| 3710.54 9 | A | (2+,3,4+) | 2413.99 11 3111.89 16 | 100 8 65 6 | 1296.470 598.669 | (4+) 2+ | ||
| 3756.22 13 | A | 781.71 13 3156.8 6 | 100 14 42 14 | 2974.536 598.669 | (3-) 2+ | |||
| 3760.27 14 | A | 527.04 13 | 100 | 3233.231 | (3-,4-) | |||
| 3914.62 9 | A | 1280.98 9 | 100 | 2633.607 | (4-) | |||
| 3967.12 30 | A | 2670.6 3 | 100 | 1296.470 | (4+) | |||
| 3980.36 15 | A | 3381.61 15 | 100 | 598.669 | 2+ | |||
| 4013.23 30 | A | 2716.71 30 | 100 | 1296.470 | (4+) | |||
| 4102.52 30 | A | 1468.9 3 | 100 | 2633.607 | (4-) | |||
| 4123.81 7 | A | (3,4,5-) | 1149.43 8 1489.85 18 2826.95 15 | 100 11 22.0 33 42.0 33 | 2974.536 2633.607 1296.470 | (3-) (4-) (4+) | ||
| 4231.60 14 | A | (2-,3,4+) | 1598.15 19 1964.89 21 | 100 12 49 8 | 2633.607 2266.465 | (4-) (2+) | ||
| 4317.35 15 | A | (2-,3,4+) | 1682.9 5 3718.66 15 | 35 13 100 6 | 2633.607 598.669 | (4-) 2+ | ||
| 4368.77 30 | A | 3770.0 3 | 100 | 598.669 | 2+ | |||
| 4423.07 19 | A | 2156.57 19 | 100 | 2266.465 | (2+) | |||
| 4539.84 17 | A | 3941.06 17 | 100 | 598.669 | 2+ | |||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 4668.30 8 | A | 1693.75 7 | 100 | 2974.536 | (3-) | |||
| 4715.68 11 | A | (2+,3) | 1077.63 19 1561.2 5 1698.35 15 2082.34 18 | 90 18 78 10 82 10 100 14 | 3638.09 3154.62 3017.06 2633.607 | (2+,3) (1) (4-) | ||
| 4858.65 8 | A | (3,4,5) | 1704.03 23 2224.91 9 3562.72 24 | 9.4 19 100 8 19.1 19 | 3154.62 2633.607 1296.470 | (2+,3) (4-) (4+) | ||
| 4866.2 4 | A | 2516.5 4 | 100 | 2349.635 | (6+) | |||
| 4959.33 8 | A | (3,4+) | 2145.64 8 2325.57 19 3662.10 21 4361.1 7 | 100 7 33 4 34 5 4.3 21 | 2813.762 2633.607 1296.470 598.669 | (4+,5) (4-) (4+) 2+ | ||
| 5002.56 21 | A | 2368.91 21 | 100 | 2633.607 | (4-) | |||
| 5106.86 15 | A | 1873.60 14 | 100 | 3233.231 | (3-,4-) | |||
| 5128.4 4 | A | 3831.8 4 | 100 | 1296.470 | (4+) | |||
| 5146.04 14 | A | (3,4,5) | 1933.5 6 2512.43 19 3849.46 19 | 26 9 76 10 100 9 | 3212.10 2633.607 1296.470 | (4-) (4+) | ||
| 5184.5 4 | A | 4585.7 4 | 100 | 598.669 | 2+ | |||
| 5238.1 4 | A | 4639.3 4 | 100 | 598.669 | 2+ | |||
| 5317.41 27 | A | 2300.2 3 4719.0 6 | 100 16 39 10 | 3017.06 598.669 | (1) 2+ | |||
| 5345.63 19 | A | 2112.37 19 | 100 | 3233.231 | (3-,4-) | |||
| 5351.02 19 | A | 2077.7 6 4054.50 20 | 15 6 100 6 | 3272.70 1296.470 | (3,4+) (4+) | |||
| 5373.23 17 | A | (2+,3,4+) | 2100.29 20 4078.0 4 4773.6 5 | 100 13 61 9 91 11 | 3272.70 1296.470 598.669 | (3,4+) (4+) 2+ | ||
| 5460.0 4 | A | 4163.4 4 | 100 | 1296.470 | (4+) | |||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 5494.47 16 | A | 2519.89 16 | 100 | 2974.536 | (3-) | |||
| 5523.6 5 | A | 2506.4 6 4925.0 11 | 100 48 100 35 | 3017.06 598.669 | (1) 2+ | |||
| 5560.52 14 | A | (2+,3,4+) | 2287.5 4 2585.56 18 4264.59 25 4963.0 7 | 16 5 46 7 100 6 27 6 | 3272.70 2974.536 1296.470 598.669 | (3,4+) (3-) (4+) 2+ | ||
| 5717.28 15 | A | 2742.69 15 | 100 | 2974.536 | (3-) | |||
| 5725.0 6 | A | 5126.1 6 | 100 | 598.669 | 2+ | |||
| 5886.67 17 | A | 1218.47 22 1971.8 3 4590.1 4 | 98 43 75 18 100 12 | 4668.30 3914.62 1296.470 | (4+) | |||
| 5921.5 5 | A | 2315.9 6 4625.7 7 | 100 47 82 24 | 3604.94 1296.470 | (4+) | |||
| 5973.1 4 | A | (2+,3,4+) | 4675.8 5 5375.4 7 | 98 12 100 16 | 1296.470 598.669 | (4+) 2+ | ||
E(level): From a least-squares fit to Eγ values
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
| 598.669 | 2+ | 25.4 ps +37-29 | 598.695 23 | [E2] | 0.00115 | B(E2)(W.u.)=15.2 19, α=0.00115 |
| 1296.470 | (4+) | 10.4 ps +25-22 | 697.812 14 | [E2] | 0.00074 | B(E2)(W.u.)=16.6 46, α=0.00074 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 0+ | 5.7 s 3 % β- = 100 | Change in charge radius δ<r2> and isotope shift δν measured by 2019Xi07 using collinear laser spectroscopy at ISOLDE-CERN. The Zn beams were produced from a thick UCx target bombarded by a 1.4 GeV proton beam, and selectively ionized by the resonance ionization laser ion source (RILIS). |
| 2349.635 | (6+) | XREF: d(?). |
| E(level) | E(gamma) | Comments |
| 598.669 | 598.695 | E(γ): weighted average of 598.706 14 from 76Cu β- decay, 598.56 5 from 77Cu β-n decay, 593 10 from (76Zn,p’), and 602 9 from (HI,76Znγ) M(γ): Coulomb excitation from 0+ g.s. |
| 1296.470 | 697.812 | E(γ): weighted average of 697.815 14 from 76Cu β- decay, 697.72 8 from 77Cu β-n decay, 708 16 from (76Zn,p’), and 703 11 from (HI,76Znγ) M(γ): expected from Coulomb excitation in a two-step process |
| 2633.607 | 1337.109 | M(γ): possible E1 (2021Ch56) from analysis of expected transition probabilities for E1, M1, E2 and M2 transitions. |
1970OsZZ, 1974Gr29, 1975Al11, 1977Al17, 1981Ru07: identification and production of 76Zn from mass separation of fission fragments
Mass measurements: 2008Ba54, 2008Ha23
2019Gu05, 2015Ch31, 2011Ji08: theoretical structure calculations for even-even Zn isotopes
Theoretical calculations: 18 primary references for structure and 12 for decay characteristics retrieved from the NSR database (www.nndc.bnl.gov/nsr/) are listed in this dataset under ’document’ records.
DICT$ (76Zn,p’)=(76Zn,p’)
Levels: α 1031, (0+) level proposed by 1990Wi12 in β- decay is not confirmed in later study of this decay by 2005Va19
Q-value: S(2n)=12688.9 29, S(2p)=28180 200 (syst) (2021Wa16)