NDLI: Excitation functions of fusion reactions and neutron transfer in the interaction of 6He with 197Au and 206Pb

Content Provider	Springer Nature Link
Author	Penionzhkevich, Yu. E. Astabatyan, R. A. Demekhina, N. A. Gulbekian, G. G. Kalpakchieva, R. Kulko, A. A. Lukyav, S. M. Markaryan, E. R. Maslov, V. A. Muzychka, Yu. A. Oganessian, Yu. Ts. Revenko, R. V. Skobelev, N. K. Sobolev, Yu. G. Zholdybaev, T.
Copyright Year	2007
Abstract	Excitation functions for evaporation residues in the reactions 197Au(6He, xn)203-xnTl, x = 2-7, and 206Pb(6He, 2n)210Po, as well as for neutron transfer reactions for the production of 196Au and 198Au in the interaction of 6He with 197Au were measured. The 6He beam was obtained from the accelerator complex for radioactive beams DRIBs (JINR). The maximum energy of the beam was about 10AMeV and the intensity reached 2×107pps. The stacked-foil activation technique was used directly in the beam extracted from the cyclotron or in the focal plane of the magnetic spectrometer MSP-144. The identification of the reaction products was done by their radioactive γ- or α-decay. The fusion reaction with the evaporation of two neutrons was characterized by an increase in the cross-section compared to statistical model calculations. The analysis of the data in the framework of the statistical model for the decay of excited nuclei, which took into account the sequential fusion of 6He has shown good agreement between the experimental and the calculated values of the cross-sections in the case of sub-Coulomb-barrier fusion in the 206Pb + 6He reaction. An unusually large cross-section was observed below the Coulomb barrier for the production of 198Au in the interaction of 6He with 197Au. Possible mechanisms of formation and decay of transfer reaction products are discussed.
Starting Page	185
Ending Page	194
Page Count	10
File Format	PDF
ISSN	14346001
Journal	The European Physical Journal A - Hadrons and Nuclei
Volume Number	31
Issue Number	2
e-ISSN	1434601X
Language	English
Publisher	Società Italiana di Fisica
Publisher Date	2007-01-25
Publisher Place	Bologna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nuclear Physics, Heavy Ions, Hadrons Elementary Particles and Nuclei Nuclear Fusion
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics

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