BNU Professor He Jianjun’s Team Reveals the Mystery of Calcium Abundance in Ancient Stars

Professor He Jianjun's team from Beijing Normal University has successfully developed the most irradiation-resistant fluorine injection target available, and measured key nuclear reaction cross sections in celestial bodies at the China Jinping Underground Laboratory, the deepest underground laboratory in the world currently, revealing the mystery of the abundance of calcium elements in ancient stars. The related results were recently published in Nature. The first author is Zhang Liyong, Associate professor of Beijing Normal University. The first corresponding author is He Jianjun, Professor of Beijing Normal University. And M. Wiescher, Professor of University of Notre Dame and Liu Weiping, Professor of China Institute of Atomic Energy are the co-corresponding authors.