ADOPTED LEVELS, GAMMAS for 200Rn
Author: F.G. Kondev | Citation: Nucl. Data Sheets 192, 1 (2023) | Cutoff date: 1-Aug-2023
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-10130 keV 30 | S(n)= 10512 keV 9 | S(p)= 2466 keV 8 | Q(α)= 7043.4 keV 21 | ||
| Reference: 2021WA16 |
| References: | |||
| A | 204Ra α decay | B | (HI,xnγ) |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0.0 | AB | 0+ | 1.03 s 3 % α = 86 +14-4 % ε = 14 +4-14 | |||||
| 432.60 20 | B | 2+ | 432.6 2 | 100 | (E2) | 0.0 | 0+ | |
| 936.3 3 | B | 4+ | 503.7 2 | 100 | (E2) | 432.60 | 2+ | |
| 1500.6 4 | B | (6+) | 564.3 2 | 100 | (E2) | 936.3 | 4+ | |
| 1776.3 4 | B | (6+) | 840.0 2 | 100 | (E2) | 936.3 | 4+ | |
| 2033.6 4 | B | (8+) | 257.3 2 | 100 | (E2) | 1776.3 | (6+) | |
| 2114.0 4 | B | (8+) | 613.4 2 | 100 | (E2) | 1500.6 | (6+) | |
| 2300.5 5 | B | (9) | 266.9 2 | 100 | D | 2033.6 | (8+) | |
| 2300.5+X 5 | B | 25 µs +11-6 | ||||||
| 2554.1 5 ? | B | 440.1 3 ? | 100 | 2114.0 | (8+) | |||
| 2776.2 6 ? | B | 222.1 3 ? | 100 | 2554.1 | ||||
E(level): From a least-squares fit to Eγ.
Jπ(level): From deduced γ-ray transition multipolarities in (HI,xnγ), unless otherwise stated
M(γ): From three points γ(θ) in (HI,xnγ) (2002Do19), unless otherwise stated
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 1 - Kπ=0+, ground state rotational band | |||||||
| 0.0 | 0+ | 1.03 s 3 % α = 86 +14-4 % ε = 14 +4-14 | |||||
| 432.60 20 | 2+ | 432.6 2 | 100 | (E2) | 0.0 | 0+ | |
| 936.3 3 | 4+ | 503.7 2 | 100 | (E2) | 432.60 | 2+ | |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 0+ | 1.03 s 3 % α = 86 +14-4 % ε = 14 +4-14 | Eα=6874 keV 16 (2015We13); 6903 keV 6 (2005Uu02); 6901 keV 2 (1996Ta18); 6898 keV 10 (1996Le09); 6902.4 keV 25 (1993Wa04); ≈6902 (Iα=100), 6355 keV 6 (Iα=8.1×10-3 7) and 6454 keV 14 (Iα=6×10-3 2) (1995Bi17); 6900 keV 10 (1984Ca32); 6909 keV 8 (1971Ho01); 6768 keV 5 (1965Nu04). E(level): Kπ=0+, ground state rotational band. |
| 432.60 | 2+ | E(level): Kπ=0+, ground state rotational band. | |
| 936.3 | 4+ | E(level): Kπ=0+, ground state rotational band. |
| E(level) | E(gamma) | Comments |
| 2300.5 | 266.9 | M(γ): γ(θ) in (HI,xnγ) (2002Do19) indicates d; parity cannot be unambiguously determined |