Gottfried sum from the ratio F sub 2 sup n / F sub 2 sup p
Journal Article
·
· Physical Review Letters; (USA)
Experimental results obtained at the CERN Super Proton Synchrotron on the structure-function ratio {ital F}{sub 2}{sup {ital n}}/{ital F}{sub 2}{sup {ital p}} in the kinematic range 0.004{lt}{ital x}{lt}0.8 and 0.4{lt}{ital Q}{sup 2}{lt}190 GeV{sup 2}, together with the structure function {ital F}{sub 2}{sup {ital d}} determined from a fit to published data, are used to derive the difference {ital F}{sub 2}{sup {ital p}}({ital x}){minus}{ital F}{sub 2}{sup {ital n}}({ital x}). The value of the Gottfried sum {integral}({ital F}{sub 2}{sup {ital p}}{minus}{ital F}{sub 2}{sup {ital n}}){ital dx}/{ital x}=0.240{plus minus}0.016 is below the quark-parton-model expectation of 1/3.
- OSTI ID:
- 5678054
- Journal Information:
- Physical Review Letters; (USA), Vol. 66:21; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
HADRON-HADRON INTERACTIONS
STRUCTURE FUNCTIONS
QUANTUM CHROMODYNAMICS
SUM RULES
QUARK MODEL
CERN
DATA ANALYSIS
ERRORS
PARTON MODEL
PERTURBATION THEORY
RADIATIVE CORRECTIONS
SPIN
ANGULAR MOMENTUM
COMPOSITE MODELS
CORRECTIONS
EQUATIONS
FIELD THEORIES
FUNCTIONS
INTERACTIONS
INTERNATIONAL ORGANIZATIONS
MATHEMATICAL MODELS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PROPERTIES
QUANTUM FIELD THEORY
645103* - High Energy Physics- Particle Interactions & Properties-Experimental- Strong Interactions & Baryon & Meson Properties
HADRON-HADRON INTERACTIONS
STRUCTURE FUNCTIONS
QUANTUM CHROMODYNAMICS
SUM RULES
QUARK MODEL
CERN
DATA ANALYSIS
ERRORS
PARTON MODEL
PERTURBATION THEORY
RADIATIVE CORRECTIONS
SPIN
ANGULAR MOMENTUM
COMPOSITE MODELS
CORRECTIONS
EQUATIONS
FIELD THEORIES
FUNCTIONS
INTERACTIONS
INTERNATIONAL ORGANIZATIONS
MATHEMATICAL MODELS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PROPERTIES
QUANTUM FIELD THEORY
645103* - High Energy Physics- Particle Interactions & Properties-Experimental- Strong Interactions & Baryon & Meson Properties