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9 Be( 3 He, n) 11 C and 11 B( 3 He, n) 13 N Reactions at Energies below Coulomb Barrier
Author(s) -
Osman Ahmed,
Din G. U.
Publication year - 1979
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/andp.19794910110
Subject(s) - born approximation , physics , coulomb barrier , coulomb , stripping (fiber) , wave function , atomic physics , neutron , nuclear reaction , ground state , plane wave , coulomb wave function , isotopes of lithium , nuclear physics , scattering , quantum mechanics , ion , materials science , composite material , electron , ion exchange
Angular distributions have been measured for 9 Be( 3 He, n) 11 C and 11 B( 3 He, n) 13 N reactions for the neutron group leading to the ground state at E 3He = 0.90, 1.00, 1.20, 1.40 MeV and 1.70, 1.90 MeV respectively. To fit the experimental data, the theory of two nucleon stripping reactions below the Coulomb barrier has been considered. Taking Coulomb distorted wave functions for the interacting particles in the initial channel, a closed analytical form for the differential cross‐section has been obtained. The other two cases using the plane wave Born approximation and the distorted wave Born approximation are also applied to the experimental data. The agreement between the Coulomb distorted wave calculations and the experimental data is better than with the PWBA and DWBA. The spectroscopic factors are extracted by fitting the experimental data with the theoretical calculations.