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NSR database version of April 27, 2024.

Search: Author = Rajni

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2023RA15      Nucl.Phys. A1038, 122723 (2023)

Rajni, A.Kaushik, M.K.Sharma, A.K.Rai

Effect of double spin-orbit parameters of spin-orbit strength in reactions involving spherical-prolate, spherical-oblate, oblate-prolate and oblate-oblate configurations

NUCLEAR REACTIONS ¹⁷⁰Er(³⁰Si, X), ¹⁵⁴Sm, ^182,184W(³²S, X), ¹⁶⁸Er, ¹⁸⁶W(⁴³S, X), ¹⁸⁰Hf(⁴⁰Ar, X), ¹³⁴Ba(¹⁶O, X), ¹²⁶Te(³²S, X), ¹⁷⁶Yb, ¹⁵⁴Sm, ¹⁶⁴Er, ¹⁹⁸Pt(²⁸Si, X), E not given; analyzed available data; deduced different configurations along with value of deformation parameters, mass asymmetry, the presence of double spin-orbit strength imparts significant influence on spin-dependent potential using semi-classical Skyrme energy density formalism by employing SkIx (x=2, 3, 4) and SAMi Skyrme forces.

doi: 10.1016/j.nuclphysa.2023.122723
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2022RA07      Phys.Rev. C 105, 044616 (2022)

Rajni, K.Sandhu, M.K.Sharma

Fragmentation analysis of Z = 112-116 nuclei using a Skyrme energy density formalism within the collective clusterization approach

NUCLEAR REACTIONS ²³⁸U(⁴⁸Ca, X)²⁸⁶Cn^*, E(cm)=195.04, 199.04 MeV; ²⁴⁴Pu(⁴⁸Ca, X)²⁹²Fl^*, E(cm)=196.50, 201.50 MeV; ²⁴⁸Cm(⁴⁸Ca, X)²⁹⁶Lv^*, E(cm)=199.47, 206.40 MeV; calculated fusion-fission σ(E), symmetric and asymmetric quasifission σ(E), 3n- and 4n-evaporation σ(E), fragmentation potential, fission fragments mass yields, penetration probability as a function of fission mass fragments, average total kinetic energy distribution TKE as a function of fragment mass Skyrme energy density formalism (SEDF) within the dynamical cluster decay model using two different Skyrme forces - GSkI and SSk. Comparison to available experimental data.

doi: 10.1103/PhysRevC.105.044616
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2022RA25      Phys.Rev. C 106, 044605 (2022)

Rajni, G.Sawhney, M.K.Sharma

Role of Skyrme forces in cluster radioactivity of parent nuclei with even (A, Z)

RADIOACTIVITY ^222,224,226Ra, ²²⁶Th(¹⁴C), (α);²²⁶Th(¹⁸O);²²⁸Th(+20(O)), (α);²³⁰Th, ²³²U(²⁴Ne), (α);²³⁰U(²²Ne);²³⁴U(²⁶Ne), (α);²³⁶Pu(²⁸Mg), (α);²³⁸Pu(³⁰Mg), (α); calculated cluster preformation probability, T_1/2, Q-value, penetrability for decaying channel, scattering and fragmentation potential. Calculations within the framework of the preformed cluster model (PCM) with Skyrme forces (SIII, SkI4, and SAMi). Comparison with available experimental data.

doi: 10.1103/PhysRevC.106.044605
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2019RA26      Int.J.Mod.Phys. E28, 1950052 (2019)

Rajni, M.K.Sharma

Influence of nuclear surface diffuseness on systems involving spherical and deformed targets

NUCLEAR REACTIONS ¹⁴C, ⁵²Cr, ⁹²Zr, ¹²⁸Te, ¹⁵⁴Sm, ¹⁹⁴Pt(¹²C, X), E(cm)<55 MeV; analyzed available data; deduced nuclear proximity potentials, diffuseness parameter vs. barrier characteristics, quadrupole (β₂), octupole (β₃) and hexadecapole (β₄) deformation parameters, σ.

doi: 10.1142/S0218301319500526
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2017RA26      Eur.Phys.J. A 53, 208 (2017)

Rajni, D.Jain, Is.Sharma, M.K.Sharma

Impact of spin-orbit density dependent potential in heavy ion reactions forming Se nuclei

NUCLEAR REACTIONS ⁴⁵Sc(²⁷Al, x), E(cm)=31.74-50.05 MeV; calculated ER σ and IMF σ within DCM (Dynamical Cluster-decay Model) using SEDF (Skyrme energy density formalism) with different forces; deduced effect of quadrupole deformation on spin-orbit density dependent and independent parts.

doi: 10.1140/epja/i2017-12407-2
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2016RA36      Int.J.Mod.Phys. E25, 1650091 (2016)

Rajni, G.Kaur, M.K.Sharma

Dynamics of ^{16, 18}O-induced reactions using Ni, Ge and Mo targets

NUCLEAR REACTIONS ⁷⁰Ge(¹⁶O, X)⁸⁶Zr, E(cm)=48.5 MeV; ⁷²Ge(¹⁶O, X)⁸⁸Zr, E(cm)=48.4 MeV; ⁷⁴Ge(¹⁶O, X)⁹⁰Zr, E(cm)=48.4 MeV; ⁷⁶Ge(¹⁶O, X)⁹²Zr, E(cm)=48.1 MeV; ⁷⁴Ge(¹⁸O, X)⁹²Zr, E(cm)=48.4 MeV; calculated σ. Comparison with available data.

doi: 10.1142/S0218301316500919
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2015KA55      Phys.Scr. T166, 014013 (2015)

G.Kaur, Rajni, M.K.Sharma

Decay of Zr isotopes and related nuclear structure effects using the collective clusterization approach

NUCLEAR REACTIONS ^70,72,74,76Ge(¹⁶O, X), E(cm)=31 MeV; calculated decay σ, preformation probability as a function of fragment mass. The dynamical cluster decay model (DCM).

doi: 10.1088/0031-8949/2015/T166/014013
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2014JA17      Eur.Phys.J. A 50, 155 (2014)

D.Jain, M.K.Sharma, Rajni, R.Kumar, R.K.Gupta

Systematic analysis of hot Yb^* isotopes using the energy density formalism

NUCLEAR REACTIONS ¹⁰⁰Mo(⁶⁰Ni, x), (⁶⁴Ni, x), E(cm)=120-160 MeV;^144,148Sm(¹⁶O, x), E(cm)=55-80 MeV;¹⁰⁰Mo(Ni, x)Yb^*, E(cm)=123.0, 149.6 MeV; calculated fusion σ using l-summed extended Wong model with different interactions. Compared to data.

doi: 10.1140/epja/i2014-14155-1
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2014RA23      Phys.Rev. C 90, 044604 (2014)

Rajni, R.Kumar, ManojK.Sharma

Formation and decay of ²⁰⁰Pb^* using different incoming channels

NUCLEAR REACTIONS ¹⁸⁴W(¹⁶O, X)²⁰⁰Pb*, ¹⁸¹Ta(¹⁹F, X)²⁰⁰Pb*, ¹⁷⁰Er(³⁰Si, X)²⁰⁰Pb*, E(cm)=77-137 MeV; calculated fusion σ(E), ER σ(E), fission σ(E), fragmentation potential, preformation probability and penetrability as function of fragment mass, neck-length parameter, barrier-lowering parameter and l_max as function of beam energy. Dynamical cluster-decay model (DCM) and Wong model. Analyzed formation and decay of compound nuclei ¹⁹²Pb* and ²⁰²Pb*. Comparison with experimental results.

doi: 10.1103/PhysRevC.90.044604
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2012RA02      Nucl.Phys. A875, 173 (2012)

Rajni, S.Kumar, R.K.Puri

On the multifragmentation around the energy of vanishing flow using isospin-dependent model

NUCLEAR REACTIONS ⁴⁵Sc(⁴⁰Ar, X), E=80 MeV/nucleon;⁵⁸Ni(⁶⁴Zn, X), E=64 MeV/nucleon;⁹³Nb(⁸⁶Kr, X), E=56 MeV/nucleon;⁹³Nb(⁹³Nb, X), E=62 MeV;¹³⁹La(¹³⁹La, X), E=58 MeV;¹⁹⁷Au(¹⁹⁷Au, X), E=48 MeV/nucleon; calculated proton, neutron multiplicity, fragments time evolution. ⁴⁵Sc(⁴⁰Ar, X), ⁵⁸Ni(⁶⁴Zn, X), ⁹³Nb(⁸⁶Kr, X), (⁹³Nb, X), ¹³⁹La(¹³⁹La, X), ¹⁹⁷Au(¹⁹⁷Au, X), E=40, 100 MeV/nucleon; calculated proton, neutron multiplicity, mass distribution, fragments time evolution.

doi: 10.1016/j.nuclphysa.2011.11.009
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2012RA08      Eur.Phys.J. A 48, 19 (2012)

Rajni, S.Kumar

Effect of scaled Gaussian width (SGW) on fragment flow and multifragmentation in heavy-ion collisions

NUCLEAR STRUCTURE ²⁰Ne, ⁴⁰Ca, ⁸⁶Kr, ¹¹⁸Sn, ¹³⁹La, ¹⁹⁷Au; calculated rms radii vs time, largest fragment vs time, SGW (scaled Gaussian width) using IQMD.

NUCLEAR REACTIONS ¹²⁰Sn(¹⁰⁷Sn, X), (¹²⁴Sn, X), (¹²⁴La, X), E=600MeV/nucleon;¹⁹⁷Au(¹⁹⁷Au, X), E=600 MeV/nucleon;²⁷Al(²⁰Ne, X), E=50-170 MeV/nucleon;⁴⁵Sc(⁴⁰Ar, X), E=10-150 MeV/nucleon; calculated fragment mean multiplicity using IQMD. Compared with data of ALADIN and NSCL.

doi: 10.1140/epja/i2012-12019-4
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2011RA31      Phys.Rev. C 84, 037606 (2011)

Rajni, S.Kumar, R.K.Puri

Correlation between balance energy and transition energy for symmetric colliding nuclei

NUCLEAR REACTIONS ⁴⁰Ar(⁴⁵Sc, X), ⁹³Nb(⁹³Nb, X), ¹³⁹La(¹³⁹La, X), ¹⁹⁷Au(¹⁹⁷Au, X), E=40-1200 MeV/nucleon; calculated transverse momentum dependence, difference of transition energy and balance energy. Isospin-dependent quantum molecular dynamics model. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.037606
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2010KU18      Phys.Rev. C 82, 024610 (2010)

S.Kumar, Rajni, S.Kumar

Experimental balance energies and isospin-dependent nucleon-nucleon cross-sections

NUCLEAR REACTIONS ¹²C(¹²C, X), ²⁷Al(²⁰Ne, X), ⁴⁵Sc, ⁵¹V(⁴⁰Ar, X), ⁵⁸Ni(⁶⁴Zn, X), ⁹³Nb(⁸⁶Kr, X), ⁹³Nb(⁹³Nb, X), ¹¹⁸Sn(¹²⁹Xe, X), ¹³⁹La(¹³⁹La, X), ¹⁹⁷Au(¹⁹⁷Au, X), E=45-200 MeV/nucleon; calculated transverse in-plane flow, energy dependence and time evolution of directed nuclear flow, and shift in energy balance due to cross section, mass and N/Z. isospin-dependent quantum molecular dynamic (IQMD) model.

doi: 10.1103/PhysRevC.82.024610
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