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ENSDF DP (Delayed Proton), B (Beta Minus), E (Electron Capture/Beta Plus), and A (Alpha) record 80-column format specifications and field definitions.
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SOC 職業分類に基づく
| name | dp-b-e-a-records-80-column-standards |
| description | ENSDF DP (Delayed Proton), B (Beta Minus), E (Electron Capture/Beta Plus), and A (Alpha) record 80-column format specifications and field definitions. |
Use this skill when checking or writing delayed proton, beta minus, electron capture/beta plus, or alpha decay records in ENSDF files.
Example:
12345678901234567890123456789012345678901234567890123456789012345678901234567890
35XX DP EP DE IP DI EI
35CL DP 501 10 3.5 12 9022
| Field | Columns | Description |
|---|---|---|
| NUCID | 1–5 | Nucleus (e.g., " 35Cl" or " 35P ") |
| CONT | 6 | Continuation label (blank) |
| SPACE | 7 | Must be blank |
| D | 8 | "D" for delayed particle |
| P | 9 | "P" for proton |
| SPACE | 10 | Readability space |
| EP | 11–19 | Proton energy in keV |
| DE | 20–21 | Energy uncertainty |
| SPACE | 22 | Readability space |
| IP | 23–29 | Proton intensity in percent |
| DIP | 30–31 | Uncertainty in IP |
| SPACE | 32 | Readability space |
| EI | 33–39 | Energy of proton-emitting level in keV |
Critical DP Format Rules:
Example:
12345678901234567890123456789012345678901234567890123456789012345678901234567890
35XX B EEEE.E DE IB DI LOGFT DFT CUNQ
35P B 1572.0 1 100.0 4 5.23 12 C1U
| Field | Columns | Description |
|---|---|---|
| NUCID | 1–5 | Nucleus (e.g., " 35P " or " 35Cl") |
| CONT | 6 | Continuation label |
| SPACE | 7 | Must be blank |
| TYPE | 8 | "B" for beta minus |
| SPACE | 9 | Must be blank |
| E | 10–19 | Endpoint energy of β⁻ in keV (no need to edit) |
| DE | 20–21 | Energy uncertainty |
| SPACE | 22 | Readability space |
| IB | 23–29 | Intensity of β⁻-decay branch |
| DIB | 30–31 | Uncertainty in IB |
| SPACE | 32–41 | Must be blank |
| SPACE | 42 | Readability space |
| LOGFT | 43–49 | The log ft for the β⁻ transition |
| DFT | 50–55 | Uncertainty in LOGFT |
| SPACE | 56–76 | Must be blank |
| C | 77 | Comment flag ('C' denotes coincidence, '?' denotes probable coincidence) |
| UN | 78–79 | Forbiddenness classification ('1U', '2U' for unique forbidden, blank = allowed) |
| Q | 80 | '?' denotes uncertain or questionable beta minus decay |
Critical B-Record Rules:
Example:
12345678901234567890123456789012345678901234567890123456789012345678901234567890
35XX E EEEE.E DE IB DI IE DI LOGFT DFT TI DICUNQ
35CL E 1750.0 5 65.0 8 35.0 5 4.85 15 100.0 8 C1US
| Field | Columns | Description |
|---|---|---|
| NUCID | 1–5 | Nucleus (e.g., " 35Cl" or " 35P ") |
| CONT | 6 | Continuation label |
| SPACE | 7 | Must be blank |
| TYPE | 8 | "E" for electron capture |
| SPACE | 9 | Must be blank |
| E | 10–19 | Energy for electron capture to level (no need to edit) |
| DE | 20–21 | Uncertainty in E |
| SPACE | 22 | Readability space |
| IB | 23–29 | Intensity of β⁺-decay branch |
| DIB | 30–31 | Uncertainty in IB |
| IE | 32–39 | Intensity of electron capture branch |
| DIE | 40–41 | Uncertainty in IE |
| SPACE | 42 | Readability space |
| LOGFT | 43–49 | The log ft for (ε + β⁺) transition |
| DFT | 50–55 | Uncertainty in LOGFT |
| SPACE | 56–64 | Must be blank |
| TI | 65–74 | Total (ε + β⁺) decay intensity |
| DTI | 75–76 | Uncertainty in TI |
| C | 77 | Comment flag ('C' denotes coincidence, '?' denotes probable coincidence) |
| UN | 78–79 | Forbiddenness classification ('1U', '2U' for unique forbidden, blank = allowed) |
| Q | 80 | '?' = uncertain branch, 'S' = expected or assumed transition |
Critical E-Record Rules:
Example:
12345678901234567890123456789012345678901234567890123456789012345678901234567890
235XX A EEEE.E DE IA DI HF DHF C Q
204AT A 6632 6 100 5 1.5 3 C ?
| Field | Columns | Description |
|---|---|---|
| NUCID | 1–5 | Nucleus (e.g., " 35P " or "204AT") |
| CONT | 6 | Continuation label |
| SPACE | 7 | Must be blank |
| TYPE | 8 | "A" for alpha decay |
| SPACE | 9 | Must be blank |
| E | 10–19 | Alpha energy in keV |
| DE | 20–21 | Standard uncertainty in E |
| SPACE | 22 | Readability space |
| IA | 23–29 | Intensity of α-decay branch in percent of the total α decay |
| DIA | 30–31 | Standard uncertainty in IA |
| SPACE | 32 | Readability space |
| HF | 33–39 | Hindrance factor for α decay |
| DHF | 40–41 | Standard uncertainty in HF |
| SPACE | 42–76 | Must be blank |
| C | 77 | Comment flag ('C' denotes coincidence, '?' denotes probable coincidence) |
| SPACE | 78–79 | Must be blank |
| Q | 80 | '?' = uncertain or questionable α branch, 'S' = expected or predicted α branch |
Critical A-Record Rules:
Use this skill when performing editorial review of ENSDF comment lines. Checks grammatical precision, subject-verb agreement, hyphenation, technical terminology, and ENSDF text-notation correctness. Suitable for editorial checks, grammar reviews, manuscript audits, or ENSDF comment validation in Nuclear Data Sheets manuscripts.
Use this skill when cross-checking all quoted values in cL J$ comment lines against L-record and G-record data fields in ENSDF adopted files. Detects mismatches in gamma energies, multipolarities, level energies, J-π values, and energy conservation violations. Fixes comment text only — never edits data records. Skip ruler and column validation (comment-only workflow).
Use this skill when deducing multipolarities for gamma transitions and then Jπ for nuclear levels by combining constraints from feeding and deexciting gamma transitions using electromagnetic selection rules. Applies D/E2 rules to primary capture transitions, D/Q or D/E2 to deexciting gammas (if RUL applies), and takes AND intersection of all constraints. Handles multi-valued initial Jπ via union before intersection.
Use this skill when calculating weighted or unweighted averages for ENSDF nuclear data using Java_Average.py. Enforces exact transcription of the Suggested Adopted Result, minimum-uncertainty rule, and lifetime uncertainty limit 99. Suitable for adopting measured values from multiple publications.
Use this skill when standardizing multipolarity (M), mixing ratio (MR), angular correlation coefficients (A2, A4, A6), and polarization (POL) in ENSDF G-records. Extracts data from messy raw comment text, populates G-record fields, and adds standardized cG comment lines with proper subscript notation and {I} uncertainties. Validates 80-column compliance after every edit.
Organizes general comment sections in Adopted Dataset ENSDF files in the canonical sequence: Isotope Discovery, Production, Decay Measurements, Radius, Mass, Theoretical Calculations. Use when adding or reorganizing general comments at the beginning of an Adopted dataset file.