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Di-nuclear systems studied with the velocity filter SHIP

反跳生成核分離装置SHIPを用いた2つの原子核複合系の研究

Heinz, S.*; Comas, V.*; He${ss}$berger, F. P.*; Hofmann, S.*; Ackermann, D.*; Burkhard, H. G.*; Gan, Z.*; Heredia, J.*; Khuyagbaatar, J.*; Kindler, B.*; Lommel, B.*; Mann, R.*; Maurer, J.*; 西尾 勝久; Sulignano, B.*

Heinz, S.*; Comas, V.*; He${ss}$berger, F. P.*; Hofmann, S.*; Ackermann, D.*; Burkhard, H. G.*; Gan, Z.*; Heredia, J.*; Khuyagbaatar, J.*; Kindler, B.*; Lommel, B.*; Mann, R.*; Maurer, J.*; Nishio, Katsuhisa; Sulignano, B.*

Various nuclear reactions like quasi-fission, fusion-fission or particle and cluster evaporation from excited compound nuclei were studied in heavy-ion reactions by using the velocity filter SHIP of GSI. The velocity distributions were measured for the heavier nuclei produced by bombarding $$^{25}$$Mg, $$^{64}$$Ni to the target nuclei $$^{206,207}$$Pb at energies of 5.9 MeV/A and 8.7 MeV/A. In addition to the evaporation residues produced in the fusion reactions, we found evidence for rotation and quasi-fission of nuclear molecules. The break-up of the systems showed a preferred clustering leading to isotopes in the region 84 $$le$$ $$Z$$ $$le$$ 88 and 122 $$le$$ $$N$$ $$le$$ 127.

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パーセンタイル:21.94

分野:Physics, Nuclear

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