时空域中部分子传播和强子形成的研究
Studies of Parton Propagation and Hadron Formation in the Space-Time Domain
摘要:
在过去的十年中,来自HERMES、Jefferson Lab、Fermilab和RHIC的与部分子传播和强子形成有关的新数据已经可用。核的半包容DIS、Drell-Yan反应和重离子碰撞都带来了介质中部分子传播的不同信息,而强子形成的最直接信息来自DIS数据。在接下来的十年里,人们有望开始在一个统一的画面中理解这些数据。我们简要地调查了最相关的数据和物理图片的共同元素,然后强调新的杰斐逊实验室的数据,并结束了对未来的展望。
英文摘要:
Over the past decade, new data from HERMES, Jefferson Lab, Fermilab, and RHIC that connect to parton propagation and hadron formation have become available. Semi-inclusive DIS on nuclei, the Drell-Yan reaction, and heavy-ion collisions all bring different kinds of information on parton propagation within a medium, while the most direct information on hadron formation comes from the DIS data. Over the next decade one can hope to begin to understand these data within a unified picture. We briefly survey the most relevant data and the common elements of the physics picture, then highlight the new Jefferson Lab data, and close with a prospective for the future.
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