Investigation of the influence of incomplete fusion on complete fusion of¹⁶O induced reactions at moderate excitation energies

Abstract

Abstract. An attempt has been made to investigate for the reaction dynamics leading to incomplete fusion (ICF) of heavy ions at moderate excitation energies, especially the influence of incomplete fusion on complete fusion (CF) of 16 O induced reactions at specific energies. Excitation functions (EFs) of various reaction products populated via CF and/or ICF of 16 O projectile with 45 Sc target were measured at energies ≈3-7 MeV/nucleon, using recoil catcher technique followed by offline γ-ray spectroscopy.The measured EFs were compared with theoretical values obtained using the statistical model code PACE4. The experimentally measured EFs were in general found to be in good agreement with the theoretical predictions for non α-emitting channels in the present target projectile system. However, for α-emitting channels the measured EFs were higher than the predictions of the theoretical model codes, which may be credited to incomplete fusion reactions at these energies.

Complete and incomplete fusion reactions in the interaction of16O+55Mn system below 7 MeV/A: Measurement and analysis of Excitation Functions

“…have been a point of interest even at energies as low as 5 MeV/A. Recent studies report breakup of 12 C, 16 O and 20 Ne into 4 He, 8 Be and 12 C projectile fragments and their incomplete fusion with the target [1][2][3][4][5]. Long back, in 1950, Ghoshal in his famous experiment showed that proton and alpha projectiles forming the same compound nucleus decay similarly and thus corroborate the Bohr compound nucleus assumption [6].…”

Investigation of complete and incomplete fusion in20Ne +51V system using recoil range measurement

“…Study of nuclear reaction around the barrier energy involves the investigation of complete and incomplete fusion processes and their dependence on various entrance channel parameters [5][6][7][8]. Complete fusion (CF) requires a total transfer of incident momentum from projectile to compound nucleus through the fusion of entire projectile's mass with the target.…”

Effect of Projectile Break-Up Threshold Energy on Incomplete Fusion at Energy ≈ 4 - 7 MeV/Nucleon

“…Since then, the study of projectile break-up and its effect on CF suppression has become an active topic of research [6]- [8]. In recent years, it has been observed that for low Z-projectiles (Z ≤ 10), e.g., 12 C, 16 O and 20 Ne, with incident energies slightly above the Coulomb barrier, interacting with medium and heavy mass targets, both the CF and ICF processes may be considered as the dominant reaction mechanism [9]- [14]. CF has been experimentally defined as the capture of total charge or mass of the incident projectile by the target nucleus.…”