Understanding fusion and its suppression for the ${}^9$Be projectile with different targets

Abstract

The role of the breakup process and one neutron stripping on the near barrier fusion are investigated for the weakly bound projectile ${}^9$Be on ${}^{28}$Si, ${}^{89}$Y, ${}^{124}$Sn, ${}^{144}$Sm and ${}^{208}$Pb targets. Continuum-discretized coupled channels (CDCC) calculations for the breakup with a ${}^8$Be + n model of the ${}^9$Be nucleus and coupled reactions channels (CRC) calculations for the one neutron stripping to several single particle states in the target are performed for these systems. A good description of the experimental fusion cross sections above the Coulomb barrier is obtained from the CDCC-CRC calculations for all the systems. The calculated incomplete fusion probabilities for different target systems are found to be consistent with the systematic behaviour of the complete fusion suppression factors as a function of target atomic mass, obtained from the experimental data.

To appear in Phys. Rev. C

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• Exploring contributions from incomplete fusion in ${}^{6,7}$Li+${}^{209}$Bi and ${}^{6,7}$Li+${}^{198}$Pt reactions
• Investigation of complete and incomplete fusion in ${}^7$Li+${}^{124}$Sn reaction around Coulomb barrier energies
• Complete and incomplete fusion of ${}^7$Li projectiles on heavy targets
• Role of neutron transfer in the reaction mechanism of ${}^9$Be+${}^{169}$Tm, ${}^{181}$Ta, ${}^{187}$Re and ${}^{197}$Au systems
• Semi-classical approaches to heavy-ion reactions: fusion, rainbow, and glory
• Four-body effects on 9Be + 208Pb scattering and fusion around the Coulomb barrier
• A consistent four-body CDCC model of low-energy reactions: Application to 9Be + 208Pb