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Role ofp-induced population of medium-mass(A∼150)neutron-rich nuclei

2014/12/24 by D. Banerjee, A. Saha, T. Bhattacharjee +16 · 8 citations
Chemistry · Engineering · Mathematics · Physics and Astronomy · #Algorithm #Analytical Chemistry (journal) #Astronomical and nuclear sciences #Atomic physics #Chemistry #Energy (signal processing) #Excitation function #Germanium #Mathematics #Nuclear physics research studies #Nuclear reaction #Nuclear reactor physics and engineering #Physics #Population #Statistics #Thermodynamics #Yield (engineering) #nucl-ex

paper · pdf · doi:10.1103/physrevc.91.024617

published in Physical Review C 91(2) (American Institute of Physics)

arxiv created 2014/12/24 · openalex publication_date 2015/02/24 · arxiv updated 2015/06/23 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Excitation functions were measured by stacked-foil activation technique for the 150Nd(p,xpyn) reaction using a 97.65% enriched 150Nd target. Measurement up to \ensuremath∼50% above barrier and down to 18% below the barrier was performed using a proton beam energy (Ep) of 7--15 MeV from the VECC Cyclotron. The yield of suitable \ensuremathγ rays emitted following the decay of relevant evaporation residues was determined using a 50% high-purity germanium (HPGe) detector. The (p,n) cross section was found to follow the expected trend with a maximum value of 63.7(4.9) mb at Ep\ensuremath∼8.6 MeV. The (p,2n) cross section gradually increased with Ep and had a maximum contribution to the total reaction cross section after Ep\ensuremath∼9.0 MeV. The (p,p^\ensuremath'n) reaction channel also showed a reasonable yield with a threshold of Ep\ensuremath∼12.0 MeV. The experimental data were corroborated with statistical model calculations using different codes, viz., cascade, alice/91, and empire3.1. All the calculations using a suitable set of global parameters could reproduce the excitation function fairly well in the present energy range.

Citations