Study of Nuclear Physics with Intermediate Energy Probes

拟议的项目涉及各个加速器实验室的基础核物理研究。利用布鲁克海文国家实验室国家同步加速器光源的激光电子伽马光源(LEGS)，将利用偏振伽马射线进行实验，以研究氚的光解、三角洲的E2/M1比、质子和中子的极化率以及介子的产生。在法国萨克莱的土星国家实验室，将利用质子-质子和质子-原子核反应研究介子、介子和埃塔产生的实验。研究原子核自旋自由度的实验也计划使用极化质子和重离子的非弹性散射。这些研究扩展了位于洛斯阿拉莫斯的克林顿·P·安德森介子物理设施的一项持续研究计划，该计划一直专注于介子-原子核的弹性和非弹性相互作用以及介子吸收。拟议的涉及介子产生(吸收)和核子基本性质的实验将提供有关强子的一般结构(形状和极化率)以及本质上涉及介子交换的强子相互作用的详细信息。此外，涉及核靶(而不是质子)的实验将产生有关核结构具体方面的信息。

The proposed project involves basic nuclear physics research at various accelerator laboratories. Using the Laser Electron Gamma Source (LEGS) at the National Synchrotron Light Source at Brookhaven National Laboratory, experiments will be performed using polarized gamma rays to study the photodisintegration of the deuteron, the E2/M1 ratio of the delta, the polarizabilities of the proton and the neutron, and pion production. At the SATURNE National Laboratory in Saclay, France, experiments on pion, kaon, and eta production will be studied using proton-proton and proton-nucleus reactions. Experiments studying spin degrees of freedom in nuclei are also planned using inelastic scattering of polarized protons and deuterons. These studies extend a continuing research program at the Clinton P. Anderson Meson Physics Facility in Los Alamos which has focussed on pion-nucleus elastic and inelastic interactions and pion absorption. The proposed experiments involving meson production (absorption) and the fundamental properties of the nucleon will provide detailed information on the general structure of the hadrons (shape and polarizabilities) and on the hadronic interaction which intrinsically involves meson exchange. In addition, experiments involving nuclear targets (other than the proton) will yield information on specific aspects of nuclear structure.