Investigation of Δ-medium effects using the 4He(γ,π+n)3H and 4He(γ,π+p)nnn reactionsD. Branford,J. Arneil,J. MacKenzie,K. Föhl,J. Ahrens,J. Annand,R. Beck,S. Franczuk,P. Grabmayr,S. Hall,P. Harty,T. Hehl,J. Kellie,M. Liang,I. MacGregor,J. McGeorge,A. Natter,S. Oberkirsch,R. Owens,C. Powrie,D. Watts,S. WunderlichPHYSICAL REVIEW C（2002）引用 7|浏览17AI 理解论文溯源树样例生成溯源树，研究论文发展脉络Chat Paper正在生成论文摘要
