ADOPTED LEVELS, GAMMAS for 203Rn
Author: F.G. Kondev | Citation: Nucl. Data Sheets 177, 509, 2021 | Cutoff date: 4-Jul-2021
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-7060 keV 9 | S(n)= 7981 keV 18 | S(p)= 2878 keV 28 | Q(α)= 6629.9 keV 21 | ||
| Reference: 2021WA16 |
| References: | |||
| A | 207Ra α decay (1.2 S) | B | 207Ra α decay (59 MS) |
| C | (HI,xnγ) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0.0 | A | 3/2- | 44.2 s 16 % ε = 34 9 % α = 66 9 | |||||
| 362 4 | BC | 13/2+ | 26.9 s 5 % ε = 25 10 % α = 75 10 | |||||
| 860 4 | C | 17/2+ | 498.1 1 | 100 | E2 | 362 | 13/2+ | |
| 1444 4 | C | 21/2+ | 584.3 1 | 100 | E2 | 860 | 17/2+ | |
| 1495 4 | C | (21/2+) | 635.3 1 | 100 | (E2) | 860 | 17/2+ | |
| 1938 4 | C | (25/2+) | 443.2 2 494.0 1 | 100 19 86 14 | (E2) E2 | 1495 1444 | (21/2+) 21/2+ | |
| 2055 4 | C | 116.2 5 | 100 | D[+Q] | 1938 | (25/2+) | ||
| 2098 4 | C | 25/2+ | 653.2 1 | 100 | E2 | 1444 | 21/2+ | |
| 2192 4 | C | 137.4 5 | 100 | D[+Q] | 2055 | |||
| 2249 4 | C | (29/2+) | 310.8 1 | 100 | (E2) | 1938 | (25/2+) | |
| 2425 4 | C | 232.9 1 | 100 | 2192 | ||||
| 2513 4 | C | (33/2+) | 263.6 5 | 100 | (E2) | 2249 | (29/2+) | |
| 2771 4 | C | (27/2+) | 673.1 5 | 100 | M1(+E2) | 2098 | 25/2+ | |
| 2909.1 6 ? | C | 810.5? | 100 | 2098 | 25/2+ | |||
| 3111 4 | C | (37/2+) | 598.5 1 | 100 | (E2) | 2513 | (33/2+) | |
| 3319 5 | C | 548.6 | 100 | 2771 | (27/2+) | |||
| 3686 4 | C | (41/2+) | 574.9 1 | 100 | (E2) | 3111 | (37/2+) | |
| 4116 4 | C | 429.3 2 | 100 | 3686 | (41/2+) | |||
| 4720.8? | C | 604.2 5 ? | 100 | 4116 | ||||
E(level): From a least-squares fit to Eγ, unless otherwise stated.
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 1 - ν(i13/2-1) structure | |||||||
| 362 4 | 13/2+ | 26.9 s 5 % ε = 25 10 % α = 75 10 | |||||
| 860 4 | 17/2+ | ||||||
| 1444 4 | 21/2+ | 584.3 1 | 100 | E2 | 860 | 17/2+ | |
| 2098 4 | 25/2+ | 653.2 1 | 100 | E2 | 1444 | 21/2+ | |
| 2771 4 | (27/2+) | 673.1 5 | 100 | M1(+E2) | 2098 | 25/2+ | |
| 3319 5 | 548.6 | 100 | 2771 | (27/2+) | |||
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 2 - π(f7/2+2)#ν(i13/2-1) or ν(f5/2-2,i13/2-1) structure | |||||||
| 1495 4 | (21/2+) | ||||||
| 1938 4 | (25/2+) | ||||||
| 2249 4 | (29/2+) | 310.8 1 | 100 | (E2) | 1938 | (25/2+) | |
| 2513 4 | (33/2+) | 263.6 5 | 100 | (E2) | 2249 | (29/2+) | |
| 3111 4 | (37/2+) | 598.5 1 | 100 | (E2) | 2513 | (33/2+) | |
| 3686 4 | (41/2+) | 574.9 1 | 100 | (E2) | 3111 | (37/2+) | |
| 4116 4 | 429.3 2 | 100 | 3686 | (41/2+) | |||
| 4720.8 | 604.2 5 ? | 100 | 4116 | ||||
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 3 - Side structure | |||||||
| 2055 4 | |||||||
| 2192 4 | |||||||
| 2425 4 | 232.9 1 | 100 | 2192 | ||||
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 3/2- | 44.2 s 16 % ε = 34 9 % α = 66 9 | Eα=6499 keV 2, weighted average of 6497 keV 5 (1967Va17), 6499.3 keV 25 (1993Wa04), 6499 keV 2 (1996Ta18) and 6499 keV 10 (1995Uu01). E(level): Eα=6499 keV 2, weighted average of 6497 keV 5 (1967Va17), 6499.3 keV 25 (1993Wa04), 6499 keV 2 (1996Ta18) and 6499 keV 10 (1995Uu01). |
| 362 | 13/2+ | 26.9 s 5 % ε = 25 10 % α = 75 10 | μ=-0.9555 18 Eα=6550 keV 1, weighted average of 6547 keV 3 (1967Va17), 6550 keV 10 (1987He10), 6549.0 keV 25 (1993Wa04), 6552 keV 3 (1995Le04), 6548 keV 3 (1996Le09) and 6551 keV 1 (1996Ta18). E(level): Eα=6550 keV 1, weighted average of 6547 keV 3 (1967Va17), 6550 keV 10 (1987He10), 6549.0 keV 25 (1993Wa04), 6552 keV 3 (1995Le04), 6548 keV 3 (1996Le09) and 6551 keV 1 (1996Ta18). |
| E(level) | E(gamma) | Comments |
| 860 | 498.1 | M(γ): pol=+0.2 1; A2=+0.8 5 |
| 1444 | 584.3 | M(γ): pol=+0.2 1; A2=+0.4 1 |
| 1495 | 635.3 | M(γ): A2=+0.4 1 |
| 1938 | 443.2 | M(γ): A2=+0.7 1. Note, that the value is somewhat larger than that expected for a pure E2 transition. | 494.0 | M(γ): pol=+0.2 2; A2=+0.3 2 |
| 2055 | 116.2 | M(γ): A2=-0.4 1 |
| 2098 | 653.2 | M(γ): pol>0; A2=+0.4 1 |
| 2192 | 137.4 | M(γ): A2=-0.6 2 |
| 2249 | 310.8 | M(γ): A2=+0.7 1. Note, that the value is somewhat larger than that expected for a pure E2 transition. |
| 2513 | 263.6 | M(γ): A2=+0.6 3 |
| 2771 | 673.1 | M(γ): A2=-0.5 4 |
| 3111 | 598.5 | M(γ): A2=+1.2 4. Note, that the value is somewhat larger than that expected for a pure E2 transition. |
| 3686 | 574.9 | M(γ): A2=+0.9 4. Note, that the value is somewhat larger than that expected for a pure E2 transition. |