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Construction junctions are diamonds. They show where multiple structures must coexist on the same carrier and satisfy compatibility conditions.
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This is an authored directed relation from the source endpoint to the target endpoint.
Relation ID
ew_to_fermi
Relation type
Effective theory / model effective-theory
Direction
source → target
Endpoint roles
source: Has effective description; target: Effective description of
Authored annotation
integrate out W boson
Authored explanation
At momentum transfer much smaller than mW, charged-current weak exchange is approximated by local four-fermion operators.
How to interpret this relation type
The target retains the degrees of freedom and interactions relevant below a stated scale or within a stated regime, while higher-energy or unresolved degrees of freedom from the source are integrated out, coarse-grained, or encoded in effective couplings.
The discovery was a major early confirmation of electroweak gauge theory.
How to interpret this relation type
The source theory, law, entity, prediction, or structural claim is directly tested, supported, constrained, or established by the target experiment or observation. Experimental support is not final logical proof; the edge detail states exactly what was measured.
Relation sources
Wikipedia — Neutral current — Neutral current · encyclopedic reference · source ID wp-physics-neutral_current_weak_interaction
Precision measurements confirmed the detailed electroweak coupling structure.
How to interpret this relation type
The source theory, law, entity, prediction, or structural claim is directly tested, supported, constrained, or established by the target experiment or observation. Experimental support is not final logical proof; the edge detail states exactly what was measured.
This is an authored directed relation from the source endpoint to the target endpoint.
Relation ID
electroweak_to_photon
Relation type
Describes / governs describes-governs
Direction
source → target
Endpoint roles
source: Describes / governs; target: Described / governed by
Authored annotation
massless electromagnetic gauge boson
Authored explanation
Electroweak mixing leaves the photon massless as the gauge boson of unbroken electromagnetism.
How to interpret this relation type
A theory, law, or interaction describes the behavior of the target within a stated regime. The edge detail must state important limits or qualifications.
The measured masses and decay signatures confirmed the massive electroweak gauge-boson sector.
How to interpret this relation type
The source theory, law, entity, prediction, or structural claim is directly tested, supported, constrained, or established by the target experiment or observation. Experimental support is not final logical proof; the edge detail states exactly what was measured.
This is an authored directed relation from the source endpoint to the target endpoint.
Relation ID
electroweak_to_w
Relation type
Describes / governs describes-governs
Direction
source → target
Endpoint roles
source: Describes / governs; target: Described / governed by
Authored annotation
massive charged gauge bosons
Authored explanation
Electroweak symmetry breaking produces massive W+ and W− bosons.
How to interpret this relation type
A theory, law, or interaction describes the behavior of the target within a stated regime. The edge detail must state important limits or qualifications.
This is an authored directed relation from the source endpoint to the target endpoint.
Relation ID
electroweak_to_weak
Relation type
Describes / governs describes-governs
Direction
source → target
Endpoint roles
source: Describes / governs; target: Described / governed by
Authored annotation
weak sector
Authored explanation
The broken electroweak theory describes charged- and neutral-current weak interactions.
How to interpret this relation type
A theory, law, or interaction describes the behavior of the target within a stated regime. The edge detail must state important limits or qualifications.
This is an authored directed relation from the source endpoint to the target endpoint.
Relation ID
electroweak_to_z
Relation type
Describes / governs describes-governs
Direction
source → target
Endpoint roles
source: Describes / governs; target: Described / governed by
Authored annotation
massive neutral gauge boson
Authored explanation
Electroweak symmetry breaking produces the massive Z boson.
How to interpret this relation type
A theory, law, or interaction describes the behavior of the target within a stated regime. The edge detail must state important limits or qualifications.