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Section 10-422 entries

10-42.1volumic cross section, macroscopic cross section <atomic physics>10-42.2volumic total cross section, macroscopic total cross section <atomic physics>

10-42.2

volumic total cross section, macroscopic total cross section

URNurn:iso:std:iso:80000:-10:ed-2:en:item:10-42.2

Download RDF.jsonld .ttl

https://metanorma.github.io/isq-smart/quantities/part-10/t10-42.2
urn:iso:std:iso:80000:-10:ed-2:en:item:10-42.2

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-10:ed-2:en:item:10-42.2

IEC

urn:iec:std:iec:80000-10:2019:::item:10-42.2

Designations

ENvolumic total cross section

FRsection efficace totale volumique

ENmacroscopic total cross section

FRsection efficace totale macroscopique

Symbol

Σ_{tot}

Σ_{T}

Notation systems

Rendered

Σ_{tot}

Rendered

Σ_{T}

AsciiMath

ii(Sigma)_"tot"

AsciiMath

ii(Sigma)_"T"

LaTeX

\mathit{\Sigma}_{\text{tot}}

LaTeX

\mathit{\Sigma}_{\text{T}}

Definition

product of the number density $n_{a}$ of the atoms and the cross section (cross section <atomic physics>) $σ_{tot}$ for a given type of atoms:

Σ_{tot} = n_{a} σ_{tot}

produit du nombre volumique $n_{a}$ des atomes et de la section efficace (cross section <atomic physics>) $σ_{tot}$ pour un type donné d'atomes:

Σ_{tot} = n_{a} σ_{tot}

Units

m^{- 1}

per metre

View related quantities →

Notes

See the Remarks for linear attenuation coefficient <ionizing radiation>.

Voir les Remarques en linear attenuation coefficient <ionizing radiation>.

Concept HierarchyPendrill (2024)

L⁻¹L⁻¹ quantitiesLevel 0 · Kind

Broader concepts

◇ L⁻¹ quantities

Characterizes

● atom

Ontology
isq:Quantity smart:TermEntry

Class Hierarchy

smart:Entity smart:TermEntryisq:Quantity

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

Instance IRI

isq:t10-42.2

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	10-42.2
skosxl:prefLabel	"volumic total cross section"@en
skosxl:altLabel	"macroscopic total cross section <atomic physics>"@en"ii(Sigma)_"tot""@en"ii(Sigma)_"T""@en
skos:definition	product of the number density stem:[n_"a"] of the atoms and the cross section (<<t10-38.1>>) stem:[sigma_"tot"] for a gi…
skos:note	See the Remarks for <<t10-49>>.
isq:hasUnit	m^(-1) (per metre)
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