QCD Measurements of Color Transparency and Nucleon Spin Structure

该补助金支持该小组在布鲁克海文AGS实验E850（彩色透明）中的实质性参与和领导。 它还支持参与相对论重离子对撞机星星合作项目中的极化质子实验。 E850将研究强相互作用核子态的量子涨落，测量能量为6至20 GeV的束流和各种核靶的核中的高动量转移准弹性散射。选择具有硬强子-核子初级相互作用的事件，色透明度的测量将表征次级核相互作用对能量和散射角的依赖性。 这个实验也提供了独特的测量光锥核子在核中的分布。与此同时，将收集和分析表明在（p，2 p +n）测量中可观察到的短程核子-核子关联的证据的数据。

This grant supports substantial participation and leadership by this group in the Brookhaven AGS experiment E850 (Color Transparency). It also supports participation in the polarized proton experiments within the STAR collaboration at the Relativistic Heavy Ion Collider. E850 will study the quantum fluctuations of the strongly interacting nucleon state with measurements of high momentum transfer quasi- elastic scattering in nuclei at beam energies from 6 to 20 GeV and with a variety of nuclear targets. Selecting events with hard hadron-nucleon primary interactions, measurements of Color Transparency will characterize the dependence of secondary nuclear interactions upon energy and scattering angle. This experiment also provides unique measurements of the light cone nucleon distributions in nuclei. In parallel, data suggesting evidence for observable short range nucleon- nucleon correlation in (p,2p+n) measurements will be collected and analyzed.