兩個(gè)很重的原子核相互碰撞,譬如U+U或者Au+Au,最近一段時(shí)間再次受到核物理界的強烈關(guān)注。兩個(gè)原子核的強阻尼過(guò)程,有可能是合成超重核的另外一個(gè)途徑。下面這個(gè)動(dòng)畫(huà)是改進(jìn)的量子分子動(dòng)力學(xué)模型(ImQMD)模擬Au+Au在E=6AMeV時(shí)的密度時(shí)間演化圖:
參考文獻:
1)Ning Wang, Zhuxia Li, Xizhen Wu and Enguang Zhao, “Search for possible way of producing super-heavy elements”, Mod. Phys. Lett. A 20 (2005) 2619-2627
2)Kai Zhao, Xizhen Wu, Zhuxia Li, Quantum molecular dynamics study of the mass distribution of products in 7.0A MeV 238U+238U collisions , Phys. Rev. C 80, 054607 (2009) |