| Photoproduction of Mesons off the Deuteron Quasifree and Coherent Processes |
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| 作者姓名： | I. Jaegle |
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| 作者单位： | Departmement of Physics, University of Basel, CH-4056 Basel, Switzerland; |
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| 基金项目： | Supported by Schweizerischer Nationalfonds and Deutsche Forschungsgemeinschaft （SFB/TR-16） |
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| 摘 要： | Photoproduction of mesons off the deuteron has been investigated at a tagged photon beam of the Bonn ELSA accelerator with the combined Crystal Barrel - TAPS electromagnetic calorimeter for incident photon energies up to 2.5 GeV. The mesons have been detected in coincidence with recoil protons, neutrons and deuterons. This allow the measurement of meson production reactions off the quasifree nucleons bound in the deutron, as well as the coherent production off the deuteron. The comparison of quasifree proton reactions to free proton reactions can confirm or invalidate possible nuclear effects on the extracted cross section reactions. Furthermore the isospin composition of a resonance can be estimated from the comparison of quasifree proton and neutron reactions. The quasifree photoproduction of the η＇ and π°η mesons off nucleons and the coherent photoproduction of π°η--pairs off the deuteron are discussed.
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| 关 键 词： | η介子 氘核 关闭 光生 反冲质子 光子能量 质子反应 核反应 |
| 收稿时间： | 2009-8-7 |
Photoproduction of mesons off the deuteron： quasifree and coherent processes |
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| I. Jaegle.Photoproduction of Mesons off the Deuteron Quasifree and Coherent Processes[J].High Energy Physics and Nuclear Physics,2009,33(12):1340-1344. |
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| Authors: | I Jaegle |
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| Institution: | Departmement of Physics, University of Basel, CH-4056 Basel, Switzerland |
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| Abstract: | quasifree, coherent, photoproduction, η＇, π°η, neutron, proton, deuteron |
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| Keywords: | quasifree coherent photoproduction η＇ π°η neutron proton deuteron |
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