Physics:Quantum nucleon: Difference between revisions
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{{Short description|Proton or neutron | {{Short description|Proton or neutron as a constituent of atomic nuclei}} | ||
{{Quantum matter backlink|Composite particles}} | {{Quantum matter backlink|Composite particles}} | ||
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A '''quantum nucleon''' is a proton or neutron | 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.<ref>{{cite web |title=Nucleon |url=https://en.wikipedia.org/wiki/Nucleon |website=Wikipedia |access-date=20 May 2026}}</ref><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><ref>{{cite book |last1=Halzen |first1=Francis |last2=Martin |first2=Alan D. |title=Quarks and Leptons |publisher=Wiley |year=1984 |id=ISBN 978-0-471-88741-6}}</ref> | ||
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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> | |||
=See also= | =See also= | ||
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{{Author|Harold Foppele}} | {{Author|Harold Foppele}} | ||
{{Sourceattribution| | {{Sourceattribution|Physics:Quantum nucleon|1}} | ||
Revision as of 22:04, 19 May 2026
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.[1][2][3]
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.[4]
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.[5]
See also
Table of contents (84 articles)
Index
Composite matter
Sub-molecular
Full contents
1. Materials (6) Back to index
2. Matter (5) Back to index
3. Plasma and fusion physics (6) Back to index
4. Molecules (6) Back to index
5. Nuclear matter (6) Back to index
6. Atoms (7) Back to index
7. Particles (12) Back to index
8. Composite particles (12) Back to index
9. Fields (12) Back to index
10. Vacuum and spacetime (12) Back to index
References
- ↑ "Nucleon". https://en.wikipedia.org/wiki/Nucleon.
- ↑ "Review of Particle Physics". Physical Review D 110 (3): 030001. 2024. DOI 10.1103/PhysRevD.110.030001.
- ↑ Halzen, Francis; Martin, Alan D. (1984). Quarks and Leptons. Wiley. ISBN 978-0-471-88741-6.
- ↑ 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.
Author: Harold Foppele
Source attribution: Physics:Quantum nucleon