测量了２５ＭｅＶ／ｕ４０Ａｒ＋１９７Ａｕ反应中两裂片符合下的小角αα关联．由αα关联函数提取了８Ｂｅ核的相对态布居和热核的核温度．实验测得发射温度随碰撞参数而稍有变化，从中心碰撞的４ＭｅＶ变化至周边碰撞的３８ＭｅＶ．在周边碰撞中，观察到发射温度随着粒子能量的增加而升高 The small-angle α-α correlation of the two lobes in the 25MeV / u40Ar + 197Au reaction was measured. The relative temperature of the 8Be nucleus and the nucleus temperature of the thermonucleus are extracted from αα correlation function. The experimentally measured emission temperature varied slightly with the collision parameters, varying from 4 MeV at the center to 3.8 MeV at the perimeter. In the peripheral collision, it was observed that the emission temperature increased with the increase of particle energy