Physics:Quantum nucleon: Difference between revisions
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{{Short description|Proton or neutron | {{Quantum article nav|previous=Physics:Quantum meson|previous label=Meson|next=Physics:Quantum proton|next label=Proton}} | ||
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{{Short description|Proton or neutron as a constituent of atomic nuclei}} | |||
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'''nucleon''' is a Book II topic in the Quantum Collection. A quantum nucleon is either a proton or a neutron. Nucleons are baryons made of quarks and gluons, and they are the main constituents of ordinary atomic nuclei. Their masses, magnetic moments, spin structure, and interactions reflect nonperturbative quantum chromodynamics. A quantum nucleon is either a proton or a neutron. Nucleons are baryons made of quarks and gluons, and they are the main constituents of ordinary atomic nuclei. Their masses, magnetic moments, spin structure, and interactions reflect nonperturbative quantum chromodynamics. Composite hadrons are described by quantum chromodynamics. Their observable properties arise from valence constituents, gluon fields, sea quark-antiquark pairs, orbital motion, and confinement. Hadrons are reconstructed through masses, lifetimes, decay channels, scattering patterns, and production rates. | |||
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[[File: | [[File:Quantum_nucleon_yellow.png|thumb|280px|Nucleon: proton-neutron nuclear constituent.]] | ||
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== | == Structure == | ||
Composite hadrons are described by quantum chromodynamics. Their observable properties arise from valence constituents, gluon fields, sea quark-antiquark pairs, orbital motion, and confinement.<ref>{{cite book |last=Schwartz |first=Matthew D. |title=Quantum Field Theory and the Standard Model |publisher=Cambridge University Press |year=2014 |id=ISBN 978-1-107-03473-0}}</ref> | |||
== Experimental role == | |||
Hadrons are reconstructed through masses, lifetimes, decay channels, scattering patterns, and production rates. Their spectra and decays provide detailed tests of strong-interaction dynamics.<ref>{{cite journal |collaboration=Particle Data Group |title=Review of Particle Physics |journal=Physical Review D |volume=110 |issue=3 |pages=030001 |year=2024 |id=DOI 10.1103/PhysRevD.110.030001}}</ref> | |||
== Description == | |||
'''nucleon''' is a matter-scale concept used to organize how quantum theory describes atoms, particles, fields, condensed matter, plasma, or spacetime-related systems. In the Quantum Collection it is placed by scale so the reader can move from materials and molecules down to subatomic degrees of freedom. | |||
== Quantum context == | |||
At this scale, the relevant behavior is controlled by quantized states, interactions, conservation laws, and the way excitations or particles are observed. The concept is normally linked to measurable properties such as energy, momentum, charge, spin, spectra, scattering rates, or collective modes. | |||
== Role in the collection == | |||
This page provides a compact reference point for related pages in Book II. It should be read together with nearby matter-scale topics and the corresponding foundations in [[Physics:Quantum mechanics|quantum mechanics]].<ref name="matter-wiki">{{cite web |url=https://en.wikipedia.org/wiki/Quantum_mechanics |title=Quantum mechanics |website=Wikipedia |access-date=2026-05-20}}</ref> | |||
=See also= | =See also= | ||
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{{Author|Harold Foppele}} | {{Author|Harold Foppele}} | ||
{{Sourceattribution| | {{Sourceattribution|Physics:Quantum nucleon|1}} | ||
Latest revision as of 22:06, 20 May 2026
nucleon is a Book II topic in the Quantum Collection. A quantum nucleon is either a proton or a neutron. Nucleons are baryons made of quarks and gluons, and they are the main constituents of ordinary atomic nuclei. Their masses, magnetic moments, spin structure, and interactions reflect nonperturbative quantum chromodynamics. A quantum nucleon is either a proton or a neutron. Nucleons are baryons made of quarks and gluons, and they are the main constituents of ordinary atomic nuclei. Their masses, magnetic moments, spin structure, and interactions reflect nonperturbative quantum chromodynamics. Composite hadrons are described by quantum chromodynamics. Their observable properties arise from valence constituents, gluon fields, sea quark-antiquark pairs, orbital motion, and confinement. Hadrons are reconstructed through masses, lifetimes, decay channels, scattering patterns, and production rates.
Structure
Composite hadrons are described by quantum chromodynamics. Their observable properties arise from valence constituents, gluon fields, sea quark-antiquark pairs, orbital motion, and confinement.[1]
Experimental role
Hadrons are reconstructed through masses, lifetimes, decay channels, scattering patterns, and production rates. Their spectra and decays provide detailed tests of strong-interaction dynamics.[2]
Description
nucleon is a matter-scale concept used to organize how quantum theory describes atoms, particles, fields, condensed matter, plasma, or spacetime-related systems. In the Quantum Collection it is placed by scale so the reader can move from materials and molecules down to subatomic degrees of freedom.
Quantum context
At this scale, the relevant behavior is controlled by quantized states, interactions, conservation laws, and the way excitations or particles are observed. The concept is normally linked to measurable properties such as energy, momentum, charge, spin, spectra, scattering rates, or collective modes.
Role in the collection
This page provides a compact reference point for related pages in Book II. It should be read together with nearby matter-scale topics and the corresponding foundations in quantum mechanics.[3]
See also
Table of contents (84 articles)
Index
Full contents
References
- ↑ Schwartz, Matthew D. (2014). Quantum Field Theory and the Standard Model. Cambridge University Press. ISBN 978-1-107-03473-0.
- ↑ "Review of Particle Physics". Physical Review D 110 (3): 030001. 2024. DOI 10.1103/PhysRevD.110.030001.
- ↑ "Quantum mechanics". https://en.wikipedia.org/wiki/Quantum_mechanics.
Source attribution: Physics:Quantum nucleon