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Part 10: Atomic and Nuclear·125 entries
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10-32

alpha disintegration energy

URNurn:iso:std:iso:80000:-10:ed-2:en:item:10-32
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urn:iso:std:iso:80000:-10:ed-2:en:item:10-32
ISQ Identifiers
ISO
urn:iso:std:iso:80000:-10:ed-2:en:item:10-32
IEC
urn:iec:std:iec:80000-10:2019:::item:10-32
Designations
ENalpha disintegration energy
FRénergie de désintégration alpha
Symbol
Q α
Notation systems
Rendered
Q α
AsciiMath
Q_alpha
LaTeX
Q_{\alpha}

Definition

EN

sum of the kinetic energy (ISO 80000-4: Mechanics) of the α -particle produced in the disintegration process and the recoil energy (ISO 80000-5: Thermodynamics) of the product atom in a reference frame in which the emitting nucleus is at rest before its disintegration

FR

somme de l'énergie cinétique (ISO 80000-4: Mechanics) de la particule α produite dans le processus de désintégration et de l'énergie (ISO 80000-5: Thermodynamics) de recul de l'atome produit, dans un système de référence dans lequel le noyau émetteur est au repos avant sa désintégration

Units

e V
electronvolt
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J
joule
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k g ⋅ m 2 ⋅ s − 2
kilogram square metre per second squared
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Notes

EN

The ground-state alpha disintegration energy, Q α , 0 , also includes the energy of any nuclear transitions that take place in the daughter produced.

FR

L'énergie de désintégration alpha dans l'état fondamental, Q α , 0 , comprend aussi l'énergie de toutes les transitions nucléaires survenant dans les produits de filiation.

Concept HierarchyPendrill (2024)
L² M T⁻²energy-type quantitiesLevel 0 · Kind

Characterizes

● atom● nucleus

Ontology
isq:Quantitysmart:TermEntry

Class Hierarchy

smart:Entitysmart:TermEntryisq:Quantity

A physical quantity as defined in ISO/IEC 80000, with associated symbols, definitions, and units of measurement.

Instance IRI

isq:t10-32

Properties

isq:QuantityShape
PropertyValue
rdf:type
isq:Quantitysmart:TermEntry
dcterms:identifier
10-32
skosxl:prefLabel
"alpha disintegration energy"@en
skosxl:altLabel
"Q_alpha"@en
skos:definition
sum of the kinetic energy (<<iso80000-4>>) of the stem:[alpha]-particle produced in the disintegration process and the r…
skos:note
The ground-state alpha disintegration energy, stem:[Q_(alpha,0)], also includes the energy of any nuclear transitions th…
isq:hasUnit
eV (electronvolt)J (joule)kg*m^2*s^(-2) (kilogram square metre per second squared)
isq:hasDimension
isq:Dimension
smart:hasBindingnessType
bindingness-type:normative
dcterms:isPartOf
isq:part-10

Related Entities

isq:QuantityShape isq:part-10 isq:Unit isq:Dimension isq:hasDimension smart:TermEntry