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Gottfried sum from the ratio F sub 2 sup n / F sub 2 sup p

Journal Article · · Physical Review Letters; (USA)
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  1. Bielefeld University, Bie
+ Show Author Affiliations
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), Journal Name: Physical Review Letters; (USA) Vol. 66:21; ISSN PRLTA; ISSN 0031-9007
Country of Publication:
United States
Language:
English

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Related Subjects

645103* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Interactions & Baryon & Meson Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR MOMENTUM
CERN
COMPOSITE MODELS
CORRECTIONS
DATA ANALYSIS
EQUATIONS
ERRORS
FIELD THEORIES
FUNCTIONS
HADRON-HADRON INTERACTIONS
INTERACTIONS
INTERNATIONAL ORGANIZATIONS
MATHEMATICAL MODELS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PROPERTIES
PARTON MODEL
PERTURBATION THEORY
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARK MODEL
RADIATIVE CORRECTIONS
SPIN
STRUCTURE FUNCTIONS
SUM RULES