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Deep-inelastic lepton scattering by nuclei. The pion-exchange model

Conference ·
OSTI ID:5746999
;
Quark constituents of nucleons were discovered in deep-inelastic electron scattering. It is not surprising therefore that the nuclear effects in deep-inelastic lepton scattering first observed by the European Muon Collaboration (EMC) have spawned many suggestions of revolutionary changes in our views of nuclear structure. Perhaps quarks play a far more active role in nuclear dynamics than the conventional theory provides. Before following the natural appeal of radical conclusions we believe it is important to examine in quantitative detail the consequences of the conventional nuclear model, in which the nucleon-nucleon potential features a one-pion exchange tail at large distances, an intermediate range attraction dominated by two-pion exchange and a strong short-range phenomenological repulsion. For this purpose let us assume that quarks are strictly confined to single hadrons, and that the quark structure of the hadrons in a nucleus is not affected by their environment. These assumptions allow a consistent description of deep-inelastic lepton-nucleus scattering, and the quantitative consequences agree well with available data. 15 refs.
Research Organization:
Argonne National Lab., IL (USA)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
5746999
Report Number(s):
CONF-8503120-2; ON: DE85010498
Country of Publication:
United States
Language:
English

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Related Subjects

653003 -- Nuclear Theory-- Nuclear Reactions & Scattering
653007* -- Nuclear Theory-- Nuclear Models-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BOSON-EXCHANGE MODELS
DEEP INELASTIC SCATTERING
ELEMENTARY PARTICLES
FUNCTIONS
INELASTIC SCATTERING
INTERACTIONS
LEPTON REACTIONS
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
MATHEMATICAL MODELS
NUCLEAR REACTIONS
NUCLEON-NUCLEON POTENTIAL
OBE MODEL
OPE MODEL
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE STRUCTURE
PERIPHERAL MODELS
POSTULATED PARTICLES
POTENTIALS
QUARKS
SCATTERING
STRUCTURE FUNCTIONS