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The nucleon spin structure in a simple quark model | | Bo-Qiang Ma (Peking University
; CCAST
; Ivan Schmidt
; Jian-Jun Yang
; | | Date: |
30 Jun 2000 | | Subject: | hep-ph | | Affiliation: | Peking University, CCAST (World Laboratory), and Academia Sinica, China), Ivan Schmidt (Universidad Tecnica Federico Santa Maria, Chile), and Jian-Jun Yang (Universidad Tecnica Federico Santa Maria, Chile, and Nanjing Normal University, China | | Abstract: | We investigate the spin structure of the nucleon in an extended Jaffe-Lipkin quark model. In addition to the conventional $3q$ structure, different $(3q)(Qar{Q})$ admixtures in the nucleon wavefunction are also taken into account. The contributions to the nucleon spin from various components of the nucleon wavefunction are discussed. The effect due to the Melosh-Wigner rotation is also studied. | | Source: | arXiv, hep-ph/0006353 | | Services: | Forum | Review | PDF | Favorites | |
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