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Relativistic harmonic oscillator model and electroproduction of low-lying resonances

✍ Scribed by Yu-Bing Dong; Amand Faessler; Toshiyuki Morii

Book ID
104337274
Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
621 KB
Volume
651
Category
Article
ISSN
0375-9474

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✦ Synopsis

By using the four-dimensional relativistic harmonic oscillator model, the Q2-evolution of the helicity amplitudes of the low-lying resonances P33(1232), Sll (1535), and O13(1520) are estimated. The results show that the Lorentz contraction causes remarkable effects on those helicity amplitudes. (~

πŸ“œ SIMILAR VOLUMES

Meson cloud and electroproduction of the
Meson cloud and electroproduction of the Ξ”(1232) resonance in a relativistic quark model approach
✍ Y.B. Dong; K. Shimizu; Amand Faessler πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 131 KB

Based on a relativistic potential quark model approach for the nucleon and (1232), the electroproduction amplitudes of the (1232) resonance are calculated. The important effect of the pion meson cloud is stressed. Different predictions for helicity amplitudes and electroproduction amplitudes are obt

Relativistic center-of-mass variables an
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πŸ“‚ Article πŸ“… 1986 πŸ› Elsevier Science 🌐 English βš– 87 KB
Relativistic center-of-mass variables an
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πŸ“‚ Article πŸ“… 1986 πŸ› Elsevier Science 🌐 English βš– 45 KB