Template:Isotopes/decay-mode/overview
| type rowid |
symbol (id) |
normalised code input |
names symbol wl enwiki NUBASE code-id |
A, Z | NUBASE, example, note |
|---|---|---|---|---|---|
dm-symbol
|
normal-codedm1−4
|
en-nameen-linknubase-name
|
AZ-changesaction-textqid
|
||
| 100 | alpha | ||||
dm 110
|
α |
|
|
• (A − 4, Z − 2) |
|
| 200 | beta | ||||
dm 210
|
β |
|
|
• ACTION: QID: beta decay (Q306786)
|
|
dm 220
|
β− |
|
|
• (A, Z 1) |
|
dm 230
|
β−β− 2β−
|
|
|
• (A, Z 2) ACTION: A nucleus emits two electrons and two antineutrinos
|
|
dm 240
|
β ε e
|
|
|
• (A, Z − 1) ACTION: In NUBASE2020, ß refers to the combined rate of electron capture (ε) and positron emission (e ): ß = ε e
|
|
dm 250
|
β β 2β
|
|
|
• (A, Z − 2) ACTION: A nucleus emits two positrons and two neutrinos
|
|
| 300 | e, epsilon, gamma (internally, "epsi" is the code for char "ε"; "e" for Latn char "e" which occurs in "e " only btw) | ||||
dm 310
|
ε |
|
|
• (A, Z − 1) ACTION: A nucleus captures an orbiting electron and emits a neutrino; the daughter nucleus is left in an excited unstable state
|
|
dm 320
|
εε |
|
|
• (A, Z − 2) ACTION:
|
|
dm 330
|
ε β |
|
|
• ACTION: electron capture and β decay QID:
|
|
dm 340
|
e |
|
|
• (A, Z − 1) ACTION: A nuclear proton converts to a neutron by emitting a positron and an electron neutrino
|
|
dm 350
|
γ |
|
|
• ACTION:
|
|
| 400 | n, p | ||||
dm 410
|
n |
|
|
• (A − 1, Z) ACTION: A neutron ejected from nucleus
|
|
dm 420
|
2n |
|
|
• (A − 2, Z) ACTION: Two neutrons ejected from nucleus simultaneously
|
|
dm 430
|
p |
|
|
• (A − 1, Z − 1) ACTION: A proton ejected from nucleus
|
|
dm 440
|
2p |
|
|
• (A − 2, Z − 2) ACTION: Two protons ejected from nucleus simultaneously
|
|
| 500 | EC, IT, IS, SF, CD | ||||
dm 510
|
EC |
|
|
• (A, Z − 1) ACTION:
|
|
dm 520
|
IT |
|
|
• (A, Z) ACTION: A nucleus in a metastable state drops to a lower energy state by emitting a photon or ejecting an electron
|
|
dm 530
|
SF |
|
|
• variable ACTION: A nucleus disintegrates into two or more smaller nuclei and other particles, all of which may vary with each decay
|
|
dm 540
|
CD |
|
|
• (A − A1, Z − Z1) & (A1, Z1) ACTION: A nucleus emits a specific type of smaller nucleus (A1, Z1) which is larger than an alpha particle (e.g. 14C, 24Ne)
|
|
dm 550
|
IS |
|
|
• ACTION:
|
|
| 600 | delayed | ||||
dm 611
|
β−n |
|
|
• (A − 1, Z 1) ACTION: A nucleus decays by β− emission to an excited state, which then emits a neutron
|
|
dm 612
|
β−2n |
|
|
• (A − 2, Z 1) ACTION: A nucleus decays by β− emission to an excited state, which then emits two neutrons
|
|
dm 613
|
β−3n |
|
|
• (A − 3, Z 1) ACTION: A nucleus decays by β− emission to an excited state, which then emits three neutrons
|
|
dm 614
|
β−α |
|
|
• (A − 4, Z − 1) ACTION: A nucleus decays by β− emission to an excited state, which then emits an α particle
|
|
dm 615
|
β−d |
|
|
• (A − 2, Z) ACTION: A nucleus decays by β− emission to an excited state, which then emits a deuteron
|
|
dm 616
|
β−t |
|
|
• (A − 3, Z) ACTION: A nucleus decays by β− emission to an excited state, which then emits a triton
|
|
dm 617
|
β−SF |
|
|
• β− & variable ACTION: A nucleus decays by β− emission to an excited state, which then undergoes spontaneous fission
|
|
dm 618
|
β p |
|
|
• (A − 1, Z − 2) ACTION: A nucleus decays by β emission to an excited state, which then emits a proton
|
|
dm 619
|
β 2p |
|
|
• (A − 2, Z − 3) ACTION: A nucleus decays by β emission to an excited state, which then emits two protons
|
|
dm 621
|
β 3p |
|
|
• (A − 3, Z − 4) ACTION: A nucleus decays by β emission to an excited state, which then emits three protons
|
|
dm 622
|
β α |
|
|
• (A − 4, Z − 3) ACTION: A nucleus decays by β emission to an excited state, which then emits an a particle
|
|
dm 623
|
β SF |
|
|
• β & variable ACTION: A nucleus decays by β emission to an excited state, which then undergoes spontaneous fission
|
|
| 700 | 24Ne | ||||
dm 710
|
14C |
|
|
• ACTION:
|
|
dm 720
|
20Ne |
|
|
• ACTION:
|
|
dm 730
|
24Ne |
|
|
• ACTION:
|
|
dm 740
|
25Ne |
|
|
• ACTION:
|
|
dm 750
|
25Ne 28Mg |
|
|
• ACTION:
|
|
dm 760
|
26Ne |
|
|
• ACTION:
|
|
dm 770
|
24Ne 26Ne |
|
|
• ACTION:
|
|
dm 780
|
28Mg |
|
|
• ACTION:
|
|
dm 790
|
28Mg 30Mg |
|
|
• ACTION:
|
|
dm 792
|
30Mg |
|
|
• ACTION:
|
|
dm 794
|
32Si |
|
|
• ACTION:
|
|
dm 796
|
34Si |
|
|
• ACTION:
|
|
| 800 | natural abundance, half-life (na, hl) | ||||
na 810
|
synth |
|
|
• ACTION:
|
|
na 820
|
trace |
|
|
• ACTION:
|
|
hl 850
|
stable |
|
|
• ACTION:
|
|
hl 860
|
observ. stable |
|
|
• ACTION: QID: (Q116484654)
|
|
| 900 | Not supported | ||||
dm 920
|
incorrect normal-code input: ≠ e- |
|
|
• ACTION: QID:
|
|
| 930 | IT ?
|
<dm> ? (theor) not implemented Decay mode is energetically allowed, but not experimentally observed |
• in NUBASE2020
| ||
| 940 | IT=?
|
<dm>=? (theor) not imp;lemented decay is observed, but its intensity is not experimentally known |
• in NUBASE2020
| ||
| 960 | Tests (not transcluded) | ||||
dm 960
|
incorrect normal-code input: 2b- ≠ b-b- |
|
• ACTION: QID:
|
| |
dm 970
|
incorrect normal-code input: ≠ Foo |
|
|
• ACTION: QID:
|
|
|
|
• ACTION: QID:
|
| ||
Status of data definitions for dm1–4, na, hl
- As of 20 Feb 2023: dm codes: 48× ID 44× synonymID (incl. 4× na, hl)
- live: Radioactive decay § List of decay modes
- data: {{id-list}} · {{property-list}} (overview for article editors)()
more
|
|---|
{{Isotopes/decay-mode/overview/row
|rowid=
|normal-code=
|type =
|input1=
|input2=
|input3=
|input4=
|input-alt =
|input-alt2 =
|note =
}}
|
By the same token, both electron capture-delayed fission (εSF) and positron-delayed fission (e SF) are given with the same symbol β SF. For β-delayed particle decays, intensity relations
— NUBASE2020 p.11
References
- ^ Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.
known issues
[edit]- as of 14:33, 17 March 2023 (UTC)
- DM: merge e = b ? [1]
- ⟨e−⟩ not implemented (Latn "e")
- merge
|dm1=ECinto ?
