Improved Data for Isotopes in the Decay Chain of Super Heavy Nucleus 283Cn

Dastan Ibadullayev,Vladimir K. Utyonkov，Minghui Huang,Huabin Yang

AIP conference proceedings（2024）

National Nuclear Center of the Republic of Kazakhstan

Cited 0|Views10

Abstract

Experiment with 48Ca beam on 238U target to produce 283Cn superheavy nucleus was performed at the new gas-filled separator DGFRS-2 on-line to the new cyclotron DC-280 at the SHE Factory at JINR. The maximum beam intensity of 48Ca was 6.5 pµA and a total beam dose of 2.6×1019 was collected. Target stability was measured at high intensities of heavy ion beams. 16 decay chains of 283Cn were observed in the 238U+48Ca reaction. The decay properties of 283Cn, as well as its α-decay products, were refined. The cross section for the 238U(48Ca,3n)283Cn reaction was measured.

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【要点】：本研究通过48Ca束流与238U靶的实验，成功产生了283Cn超重核，并对其衰变链中的同位素数据进行了改进，提高了对283Cn及其α衰变产物的衰变性质的认识。

【方法】：研究使用了在JINR的SHE Factory新 cyclotron DC-280上线的气体填充分离器DGFRS-2，进行了48Ca束流对238U靶的实验。

【实验】：实验在48Ca束流最大强度为6.5 pµA下进行，共收集了2.6×10^19的束流剂量，观察到16个283Cn的衰变链，并测量了238U(48Ca,3n)283Cn反应的截面。