This study presents a combined experimental and theoretical investigation of the^(6)Li+^(12)C nuclear reaction at a laboratory energy of 68 MeV.The reaction products are identified via the standard△E–E technique.Ang...This study presents a combined experimental and theoretical investigation of the^(6)Li+^(12)C nuclear reaction at a laboratory energy of 68 MeV.The reaction products are identified via the standard△E–E technique.Angular distributions are constructed for the elastic,inelastic,and deuteron transfer channels by detecting emitted particles–^(6)Li andα.Elastic and inelastic scattering of^(6)Li off^(12)C are analyzed using the optical model and coupled channels approaches,with the interaction described by a double-folding potential.This potential is calculated based on the three-body wave function of^(6)Li.Pronounced coupled-channel effects that modify the potential and allow accurate reproduction of the experimental cross sections are observed.The resulting polarized potentials provide a more precise description of the initial-state interaction for further reaction modeling.The deuteron transfer channel,^(12)C(^(6)Li,α)^(14)N,is studied using the coupled reaction channels method.The coupling between the transfer and elastic channels is implemented using the three-body wave function of^(6)Li.As an alternative,a regular wave function constructed with a phenomenological Woods–Saxon potential is also employed.Comparison between the calculated differential cross sections and experimental data reveals a more complex and nuanced reaction mechanism,which supports the cluster structure of^(6)Li.展开更多
An experiment was conducted for studying the cluster structure of Be induced by He ions at an energy of 30 MeV.As results of the nuclear reaction^(3)He+^(9)Be,the differential cross sections for the exit channels–ela...An experiment was conducted for studying the cluster structure of Be induced by He ions at an energy of 30 MeV.As results of the nuclear reaction^(3)He+^(9)Be,the differential cross sections for the exit channels–elastic,inelastic,α+^(8)Be,^(6)He+^(6)Be,^(6)Li+^(6)Li,and^(7)Be+^(5)He–were measured.Elastic and inelastic scattering data were treated within both the optical model and coupled channel method.A new set of optical potentials was considered for the elastic scattering.The deformation parameter was established for the transition 3/2→5/2.Cluster transfer reactions were analyzed via the coupled reaction channel method.The nuclear reactions with the exit channels^(6)He+^(6)Be,^(6)Li+^(6)Li,and^(7)Be+^(5)He were complemented by two-step transfer mechanisms.The contribution of each reaction mechanism were shown and compared with the findings of other authors.展开更多
基金Funded by the Science Committee of the Ministry of Science and Higher Education of the Republic of Kazakhstan(AP19677087)。
文摘This study presents a combined experimental and theoretical investigation of the^(6)Li+^(12)C nuclear reaction at a laboratory energy of 68 MeV.The reaction products are identified via the standard△E–E technique.Angular distributions are constructed for the elastic,inelastic,and deuteron transfer channels by detecting emitted particles–^(6)Li andα.Elastic and inelastic scattering of^(6)Li off^(12)C are analyzed using the optical model and coupled channels approaches,with the interaction described by a double-folding potential.This potential is calculated based on the three-body wave function of^(6)Li.Pronounced coupled-channel effects that modify the potential and allow accurate reproduction of the experimental cross sections are observed.The resulting polarized potentials provide a more precise description of the initial-state interaction for further reaction modeling.The deuteron transfer channel,^(12)C(^(6)Li,α)^(14)N,is studied using the coupled reaction channels method.The coupling between the transfer and elastic channels is implemented using the three-body wave function of^(6)Li.As an alternative,a regular wave function constructed with a phenomenological Woods–Saxon potential is also employed.Comparison between the calculated differential cross sections and experimental data reveals a more complex and nuanced reaction mechanism,which supports the cluster structure of^(6)Li.
基金Supported by the Science Committee of the Ministry of Science and Higher Education of the Republic of Kazakhstan(AP14870958)。
文摘An experiment was conducted for studying the cluster structure of Be induced by He ions at an energy of 30 MeV.As results of the nuclear reaction^(3)He+^(9)Be,the differential cross sections for the exit channels–elastic,inelastic,α+^(8)Be,^(6)He+^(6)Be,^(6)Li+^(6)Li,and^(7)Be+^(5)He–were measured.Elastic and inelastic scattering data were treated within both the optical model and coupled channel method.A new set of optical potentials was considered for the elastic scattering.The deformation parameter was established for the transition 3/2→5/2.Cluster transfer reactions were analyzed via the coupled reaction channel method.The nuclear reactions with the exit channels^(6)He+^(6)Be,^(6)Li+^(6)Li,and^(7)Be+^(5)He were complemented by two-step transfer mechanisms.The contribution of each reaction mechanism were shown and compared with the findings of other authors.
