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26 April 2024 |
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Near threshold electroproduction of the omega meson at Q2 ~ 0.5 GeV2 | | P. Ambrozewicz
; J. Mitchell
; J. Dunne
; P. Markowitz
; C. J. Martoff
; J. Reinhold
; B. Zeidman
; | | Date: |
3 Mar 2004 | | Journal: | Phys.Rev. C70 (2004) 035203 | | Subject: | nucl-ex | | Affiliation: | for the E91-016 Collaboration, Jefferson Lab | | Abstract: | Electroproduction of the omega meson was investigated in the p(e,e’p)omega reaction. The measurement was performed at a 4-momentum transfer Q2 ~ 0.5 GeV2. Angular distributions of the virtual photon-proton center-of-momentum cross sections have been extracted over the full angular range. These distributions exhibit a strong enhancement over t-channel parity exchange processes in the backward direction. According to a newly developed electroproduction model, this enhancement provides significant evidence of resonance formation in the gamma* p -> omega p reaction channel. | | Source: | arXiv, nucl-ex/0403003 | | Services: | Forum | Review | PDF | Favorites | |
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