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Search for medium effects on light vector mesons
| 题名： | Search for medium effects on light vector mesons |
| 作者： | M. H. Wood;D. P. Weygand;R. Nasseripour;C. Djalali; |
| 关键词： | 43 PARTICLE ACCELERATORS; BAG MODEL; CARBON; CEBAF ACCELERATOR; DECAY; HADRONS; IRON; MESONS; NUCLEI; PHOTOPRODUCTION; SPECTRAL FUNCTIONS; SPECTROMETERS; TITANIUM; VECTOR MESONS |
| 摘要： | The photoproduction of vector mesons on various nuclei has been studied using the Cebaf Large Acceptance Spectrometer (CLAS) at Jefferson Laboratory. The rho, omega, and phi mesons are observed via their decay to e+e鈭? The rho spectral function is extracted from the data on carbon, iron, and titanium. We observe no effects on the mass of the rho meson, some widening in titanium and iron is observed consistent with standard collisional broadening.< |
| 总页数： | 262-264 |
| 报告类型： | 科技报告 |
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