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NSR database version of May 1, 2024.

Search: Author = C.Karthikraj

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2020KA06      Phys.Rev. C 101, 014603 (2020)

C.Karthikraj, Z.Ren

Excitation-energy-dependent potential energy surfaces in the ternary breakup of ²⁵²Cf

NUCLEAR REACTIONS ²⁵²Cf(n, F), E^*=6.17, 25, 50 MeV; calculated potential-energy surfaces (PESs) as function of excitation energy of the fissioning parent nucleus for spherical and deformed fragments from ternary fragmentation (TF), temperature-dependent binding energies (TDBE). Temperature-dependent macroscopic liquid-drop model (LDM) with the microscopic shell correction energies from analytical estimates of Myers and Swiatecki. Comparison with experimental data.

RADIOACTIVITY ²⁵²Cf(SF); calculated temperature-dependent potential-energy surfaces (PESs) for spherical and deformed fragments from ternary fission, neutron emission from individual fragments as a function of the fragment mass number. Temperature-dependent macroscopic liquid-drop model (LDM). Comparison with experimental data.

doi: 10.1103/PhysRevC.101.014603
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2020KA42      Phys.Rev. C 102, 024607 (2020)

C.Karthikraj, Z.Ren

Ternary fission of α-structured nuclei with 12 ≤ A ≤ 60: A three-body decay approach

NUCLEAR STRUCTURE ¹²C, ¹⁶O, ²⁰Ne, ²⁴Mg, ²⁸Si, ³²S, ³⁶Ar, ⁴⁰Ca, ⁴⁴Ti, ⁴⁸Cr, ⁵²Fe, ⁵⁶Ni, ⁶⁰Zn; calculated total excitation energies and the ternary fission (TF) relative yields of even-even parent nuclei within a three-body decay approach and a single-step process; deduced that emission of α-structured ternary fragments is favored over the other ternary fragment combinations.

doi: 10.1103/PhysRevC.102.024607
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2017KA24      J.Phys.(London) G44, 065102 (2017)

C.Karthikraj, Z.Ren

Fragments mass and charge distribution in the light particle accompanied fission of ²⁵²Cf

RADIOACTIVITY ²⁵²Cf(SF); calculated yields from the ternary fission, α-accompanied ternary fission, ternary fission mass and charge distribution of ²⁵²Cf nucleus for different light third fragments ⁴He, ¹⁰Be, ¹⁴C, ²⁰O, ^20,24Ne.

doi: 10.1088/1361-6471/aa6599
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2017KA62      Phys.Rev. C 96, 064611 (2017)

C.Karthikraj, Z.Ren

Ternary-fragmentation-driving potential energies of ²⁵²Cf

RADIOACTIVITY ²⁵²Cf(SF); calculated ternary-fragmentation-driving potential energies, minima of all possible ternary combinations generated from AME2016, Q-value energy systematics of the neutron minimized fragment combinations, ternary fragmentation driving potential energies for the collinear touching configuration of deformed proton-minimized and the neutron-minimized ternary fragments. Macroscopic model. Discussed role of β₂, β₃, β₄ and β₆ deformations in the ternary-fragmentation-driving potentials.

doi: 10.1103/PhysRevC.96.064611
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2016KA25      Eur.Phys.J. A 52, 173 (2016)

C.Karthikraj, S.Subramanian, S.Selvaraj

Ternary fission of ^{466, 476}₁₈₄X formed in U + U collisions

NUCLEAR REACTIONS ^233,238U(²³³U, F), (²³⁸U, F), E=6.09, 6.49, 6.91, 7.1, 7.35 MeV/nucleon, not known; calculated ternary fission fragment yields from ^466,476184 giant system using liquid drop model at temperatures 1, 2 MeV considering ⁵⁰Ca, ⁵⁴Ti, ⁵⁸Cr, ⁶⁶Fe, ⁷²Ni, ⁷⁶Zn, ⁸⁰Ge, ⁸⁶Sc, ⁹⁰Kr, ⁹⁶Sr, ¹⁰⁰Zr, ¹⁰⁶Mo as possible third fragment.

doi: 10.1140/epja/i2016-16173-3
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2015BA39      Pramana 85, 423 (2015)

M.Balasubramaniam, K.R.Vijayaraghavan, C.Karthikraj

Ternary fission

RADIOACTIVITY ²⁵²Cf, ²³⁶U(SF); calculated potential energy surfaces, ternary fission yields and mass distributions. Three-cluster model, level density approaches.

doi: 10.1007/s12043-015-1057-x
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2014BA56      Phys.Rev. C 90, 054611 (2014)

M.Balasubramaniam, C.Karthikraj, S.Selvaraj, N.Arunachalam

Ternary-fission mass distribution of ²⁵²Cf A level-density approach

RADIOACTIVITY ²⁵²Cf(SF); calculated level-density parameter and excitation energy as function of fragment mass numbers, ternary fission yields and mass distributions for a fixed ⁴⁸Ca third fragment as function of the other two fragment mass numbers. Level-density approach within the framework of statistical theory.

doi: 10.1103/PhysRevC.90.054611
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2013KA10      Phys.Rev. C 87, 024608 (2013)

C.Karthikraj, M.Balasubramaniam

Decay studies of ⁵⁹Cu^* formed in the ³⁵Cl + ²⁴Mg reaction using the dynamical cluster-decay model

NUCLEAR REACTIONS ³⁵Cl(²⁴Mg, X)⁵⁹Cu*, E=275 MeV; calculated binary fragmentation potentials for A=1-29, preformation probability and factor α, summed cross sections for A=1-29, cross section as function of charge distribution (Z=5-12) of fission fragments and factor α. Dynamical cluster-decay model (DCM). Comparison with experimental data.

doi: 10.1103/PhysRevC.87.024608
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2012KA23      Phys.Rev. C 86, 014613 (2012)

C.Karthikraj, N.S.Rajeswari, M.Balasubramaniam

Temperature-dependent binding energies in a dynamical cluster-decay model applied to the decay of hot and rotating ⁵⁶Ni^*

NUCLEAR REACTIONS ²⁴Mg(³²S, X)¹H/⁴He/⁸Be/¹²C/¹⁶O/²⁰Ne/²⁴Mg/²⁸Si, E(cm)=51.6, 60.5 MeV; A=12-28; calculated fragmentation potential, preformation probability and penetration probability as a function of angular momentum, σ for light and intermediate mass fragments, average total kinetic energy (TKE) for A=12-28 fragments using dynamical cluster-decay (DCM) model and calculated binding energies. Comparison with experimental data.

NUCLEAR STRUCTURE A=4-12, Z=1-8; A=56, Z=20-31; A=82, Z=30-41; A=116, Z=43-56; calculated ground-state binding energies as a function of temperature using Krappe's and Guet et al. formulae. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.014613
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