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No abstract available
Source
Academia Sinica, Lanzhou (China). Inst. of Modern Physics; National Laboratory of Heavy Ion Accelerator, Lanzhou (China); 190 p; ISBN 7-5022-2421-1; 
; Jul 2001; p. 56
; Jul 2001; p. 56
No abstract available
Source
Academia Sinica, Lanzhou (China). Inst. of Modern Physics; 180 p; ISBN 7-5022-0983-2; ; Dec 1993; p. 46-47; Atomic Energy Press; Beijing (China)
; Dec 1993; p. 46-47; Atomic Energy Press; Beijing (China)
No abstract available
Source
Academia Sinica, Lanzhou (China). Inst. of Modern Physics; 180 p; ISBN 7-5022-0983-2; ; Dec 1993; p. 45; Atomic Energy Press; Beijing (China)
; Dec 1993; p. 45; Atomic Energy Press; Beijing (China)
No abstract available
Source
Academia Sinica, Hefei (China). Inst. of Modern Physics; 201 p; ISBN 7-5022-0819-4; ; 1992; p. 67; Atomic Energy Press; Beijing (China)
; 1992; p. 67; Atomic Energy Press; Beijing (China)
No abstract available
Source
Academia Sinica, Lanzhou (China). Inst. of Modern Physics; 180 p; ISBN 7-5022-0983-2; ; Dec 1993; p. 47-48; Atomic Energy Press; Beijing (China)
; Dec 1993; p. 47-48; Atomic Energy Press; Beijing (China)
No abstract available
Source
Academia Sinica, Lanzhou (China). Inst. of Modern Physics; 180 p; ISBN 7-5022-0983-2; ; Dec 1993; p. 36; Atomic Energy Press; Beijing (China)
; Dec 1993; p. 36; Atomic Energy Press; Beijing (China)
No abstract available
Source
Academia Sinica, Lanzhou (China). Inst. of Modern Physics; National Laboratory of Heavy Ion Accelerator, Lanzhou (China); 190 p; ISBN 7-5022-2421-1; ; Jul 2001; p. 154
; Jul 2001; p. 154
[en] Radioactive Ion Beam Line in Lanzhou (RIBLL) is able to produce hundreds of radioactive ion beams, by mean of projectile fragmentation. A high performance setup for nuclear direct reaction was promoted to track the radioactive ion, and to measure its charge states, nuclear charge, mass, energy. It benefits precise experiment of both nuclear reaction and nuclear structure. An experimental magnet, composing by dipole magnet and vacuum chamber, should be used as magnetic spectrometer to separate the secondary beam and products of secondary reaction, as well as to analyze the particle and their energy. Using the magnetic field and method of β-decay nuclear magnetic resonance, the studies of nuclear magnetic moment, electric quadruple moment and ground state configuration of radioactive nucleus could be performed. A mini-4π detection system, consisting of 5 large area position sensitive transmission silicon detectors (300 μ) backed by CsI(Tl) (2 cm) with detection efficiency of 60%∼70% of full space, and surrounded by an array of neutron sensitive plastic scintillator (5 cm x 15 cm x 15 cm) and γ detectors outside the vacuum, was employed to measure βdelayed light particle emission coincidence with γ and neutrons for radioactive nucleus and evaporation residues, to search exotic decay mode, such as two protons decay and β-delayed multi-particle emissions
Journal
Nuclear Physics Review; ISSN 1007-4627; ; v. 16(3); p. 137-144
; v. 16(3); p. 137-144
[en] The authors define explicitly a fission path from u single sphere to partial overlapping up to separated spheres to describe three fragments with 120 degree (oblate), along a line (prolate), and to describe cascade with the first asymmetric fission and the second symmetric fission. It is easy to compare the three modes for one deformation parameter. The barriers are calculated by the temperature dependence of liquid drop model, adding the proximity potential to take into account the finite range effects of the nuclear force in a crevice, adding shell energy which is local shell effect integrating all over the surface, and the fission probabilities are calculated, which lead to qualitative understanding for the best mode of ternary fission
Journal
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