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Title: Incomplete momentum transfer in 16O + 148Nd system [at energy ≈ 5.8 MeV/nucleon]
Authors: Giri, Pankaj K
Mahato, Amritraj
Singh, D
Linda, Sneha B
Kumar, Harish
Tali, Suhail A
Ali, R
Sathik, N P M
Ansari, M Afzal
Kumar, R
Muralithar, S
Singh, R P
Keywords: Complete and incomplete fusion;Composite system;Offline γ -ray spectrometry;Recoil catcher activation technique;Recoil range distributions
Issue Date: Sep-2019
Publisher: NISCAIR-CSIR, India
Abstract: Measurements of the forward recoil ranges of the evaporation residues 159,158Er (xn), 160g,159Ho (pxn), 157,155Dy (αxn) and 155Tb (αpxn) formed in the interaction of 16O with 148Nd at energy ≈ 5.8 MeV/nucleon have been done. Measured forward recoil range distributions of these evaporation residues show population of several incomplete fusion channels in addition to complete fusion. The entire and incomplete linear momentum transfers inferred from these recoil range distributions have been used to identify the evaporation residues populated through complete and incomplete fusion dynamics. The forward recoil range distributions of evaporation residues populated via α-emission channels show two composite peaks, one associated with complete fusion and other peak corresponds to the incomplete fusion. Further, the relative contributions of CF and/or ICF components have also been separated out from the present measurements. The contribution of ICF channels has been found to be ≈ 9 % of total fusion. The present results clearly indicate the presence of break-up of the projectile 16O into 12C + α at low projectile energy.
Page(s): 619-623
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJPAP Vol.57(09) [September 2019]

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