Abstract
The 12 C( 18 O, 16 O) 14 C reaction has been studied at 84 MeV incident energy. The ejectiles have been momentum analysed at forward angles by the MAGNEX magnetic spectrometer. The energy spectra were obtained up to about 20 MeV excitation energy. Calculations based on the removal of two uncorrelated neutrons from the projectile describe a significant part of the continuum observed in the energy spectra. In particular, a resonance of the residual nucleus dominates the region near the two-neutron emission threshold.
Highlights
The importance of two-neutron transfer reactions in the understanding of the pairing force has been established since many years [1]
In this work we have reported some results obtained studying the 12C(18O,16O)14C reaction at 84 MeV incident energy
Using the missing mass technique, the 16O ejectiles were measured by the MAGNEX and the excitation energy spectra of 14C were extracted
Summary
The importance of two-neutron transfer reactions in the understanding of the pairing force has been established since many years [1]. Heavy-ion direct transfer reactions at bombarding energies not much above the Coulomb barrier, have proven to be valuable tools for getting precise spectroscopic information [2] [3]. In this context, the right framework in which the reactions should be treated is a fully quantum-mechanical approach, such as Distorted Wave Born Approximation (DWBA) or Coupled Reaction Channel (CRC) methods [4], with the inclusion of the nuclear recoil. EPJ Web of Conferences residual nucleus is related to such ejectile energy through the energy conservation relation given in ref. We report about the same calculations done for studying the 14C continuum
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