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利用与延发质子符合的子核中已知的第一个２＋→０＋（基态）的γ跃迁来鉴别其β延发质子先驱核的方法已在实验中得到证实，并在兰州重离子加速器ＳＦＣ上用氦喷嘴快速带传输系统成功地合成与研究了沿Ｚ＝０．７４３Ｎ＋１１．６质子滴线分布的稀土区新β延发质子先驱核１３５Ｇｄ和１２１Ｃｅ．该鉴别方法在缺中子稀土区新核素合成中将具有很大的应用前景．
The method of using the first γ + transition of the 2 + → 0 + (ground state) known from the daughter nucleus that matches the extended proton to identify the β proton proton nucleus has been experimentally confirmed and has been validated in Lanzhou Heavy Ion Accelerator SFC The new beta proton proton nuclei 135Gd and 121Ce in the rare earth zone along the Z = 0.743N + 11.6 proton drip line were successfully synthesized and studied with the rapid delivery system of helium nozzle. The identification method will have a great application prospect in the synthesis of new nuclides in the neutron rare earth area.