奇异强子物质中的核子体积效应

THE EFFECT OF FINITE VOLUME OF NUCLEONS IN STRANGE HADRONIC MATTER

用相对论平均场方法研究了核子体积效应对奇异强子物质的影响，结果发现考虑核子的有限体积后，通过反应ΛΛΞＮ压低了Ξ超子的产生，但是在奇异粒子丰度｜Ｓ｜／Ａ较大时，这种效应不改变奇异强子物质中包含的Ξ超子成分．

The finite volume effect of nucleons in strange hadronic matter(SHM) is studied within the framework of the relativistic mean field (RMF). As long as the volume of nucleon is concerned, the producing of Ξ hyperons is depressed through the reaction ΛΛ  ΞN in SHM. But It is consistent with the conclusion that Ξ hyperons are constituents of SHM as |S|/A is larger.