Stranger in the Light: The Strange Vector Form Factors of the Nucleon

Abstract

A model combining vector meson dominance, $\omega -\varphi$ mixing and a kaon cloud contribution is used to estimate the strangeness vector form factors of the nucleon in the momentum range of the planned measurements at MIT-Bates and CEBAF. We compare our results with some other theoretical estimates and discuss the nucleon strangeness radius in models based on dynamically dressed, extended constituent quarks. For a quantitative estimate in the latter framework we use the Nambu-Jona-Lasinio model.

36 pages, UMPP \#94--097 (six figures available by e-mail or FAX)

References in corpus (6)

• Intermediate-Energy Semileptonic Probes of the Hadronic Neutral Current
• Stochastic Estimation with $Z_2$ Noise
• Stranger Still: Kaon Loops and Strange Quark Matrix Elements of the Nucleon
• Nucleon Solution of the Faddeev Equation in the Nambu-Jona-Lasinio Model
• Just How Strange? Loops, Poles and the Strangeness Radius of the Nucleon
• Electromagnetic Gauge Invariance of Chiral Hybrid Quark Models

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• The Strangeness Radius and Magnetic Moment of the Nucleon Revisited
• ON THE INTRINSIC CHARM COMPONENT OF THE NUCLEON
• The Anomalous Magnetic Moment of Quarks
• On the strange vector form factors of the nucleon in the NJL soliton model
• Strangeness in the Nucleon on the Light-Cone
• Strange form factors in the context of SAMPLE, HAPPEX, and A4 experiments
• Chiral Symmetry and the Nucleon's Vector Strangeness Form Factors
• Strange form factors of the proton: a new analysis of the neutrino (antineutrino) data of the BNL-734 experiment
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• Meson-Baryon-Baryon Vertex Function and the Ward-Takahashi Identity
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• A QCD Sum Rule Study of ${\Theta }^{+}$ in Nuclear Matter
• Strange vector form factors of the nucleon in the SU(3) chiral quark-soliton model with the proper kaonic cloud
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• Flavor content of nucleon form factors in a VMD approach
• Baryonic form factors of the pion and kaon in a chiral quark model
• Octet and decuplet baryon self-energies in relativistic SU(3) chiral effective theory
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