NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = G.Sawhney Found 19 matches. 2022KA15 Eur.Phys.J. A 58, 59 (2022) A.Kaur, K.Sandhu, G.Sawhney, M.K.Sharma Light charged particle emission from Pb isotopes formed in n-induced channel and related structural analysis NUCLEAR STRUCTURE 207,208Pb, 113Sn; analyzed available data; deduced the charge particle emission formed in highly asymmetric n-induced channel. The Dynamical Cluster-decay Model (DCM).
doi: 10.1140/epja/s10050-022-00686-x
2022RA25 Phys.Rev. C 106, 044605 (2022) 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, T1/2, 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
2019SH12 Eur.Phys.J. A 55, 30 (2019) K.Sharma, G.Sawhney, M.K.Sharma, G.Sawhney Collective clusterization approach to investigate the relevance of deformation effects in Sn radioactivity NUCLEAR STRUCTURE 112,146Ba, 120,156Nd, 128,166Gd; calculated mass fragmentation potentials vs fragment mass, preformation probability for spherical and deformed nuclei using Preformed Cluster Model (PCM). 108,110,112,114,116Xe; calculated 8Be preformation and penetration probability, T1/2. 112,114,116,118,120Ba; calculated 12C preformation and penetration probability, T1/2. 116,118,120,122,124Ce; calculated 16O preformation and penetration probability, T1/2. 120,122,124,126,128,130Nd;calculated 20Ne preformation and penetration probability, T1/2. 124,126,128,130Sm; calculated 24Mg preformation and penetration probability, T1/2. 128,130,132,134,136Gd;calculated 28Si preformation and penetration probability, T1/2. 146Ba, 152Ce, 156Nd, 160Sm, 162Sm, 166Gd; fragments 14C, 20O, 24Ne, 28Mg, 30Mg, 34Si, each emission is in the way that the daughter nucleus is for each case 132Sn; calculated fragment preformation and penetration probability, T1/2, for spherical and for β2-deformed nuclei; calculated also the influence of shell corrections and of different versions of proximity potential.
doi: 10.1140/epja/i2019-12697-2
2018KA23 Int.J.Mod.Phys. E27, 1850043 (2018) A.Kaur, G.Sawhney, M.K.Sharma, R.K.Gupta Spontaneous fission of the end product in α-decay chain of recoiled superheavy nucleus: A theoretical study RADIOACTIVITY 266,267,268Db, 267Rf, 281Rg, 266Lr, 282Cn(α), (SF); calculated preformation probability, penetrability, T1/2. Comparison with available data.
doi: 10.1142/S021830131850043X
2018SH08 Nucl.Phys. A972, 1 (2018) K.Sharma, G.Sawhney, M.K.Sharma, R.K.Gupta Decay of Plutonium isotopes via spontaneous and heavy-ion induced fission paths NUCLEAR REACTIONS 238U(6He, x)244Pu, E(cm)=15.0-28.8 MeV; calculated fission σ, fragment mass distribution, using DCM (Dynamical Cluster Decay Model) for spherical and β2-deformed nuclei. Compared with data. RADIOACTIVITY 234,236,238,240,242,244,246Pu(SF); calculated preformation probability vs fragment mass, preformation yield, preformation T1/2, spontaneous fission T1/2 using PCM (Preformed Cluster Model) for hot and cold nuclei, both spherical and deformed, hot and cold. Compared with fragment mass yield data, experimental T1/2.
doi: 10.1016/j.nuclphysa.2018.02.001
2017SA12 Acta Phys.Pol. B48, 629 (2017) G.Sawhney, A.Kaur, M.K.Sharma, R.K.Gupta Analysis of Spontaneous Fission in Superheavy Mass Region Using the Dynamical Cluster-decay Model RADIOACTIVITY 291Lv(α)[291Lv formed via 245Cm+48Ca followed by 2n emission]; calculated α-decay chain of 291Lv. 267Rf(SF)[nucleus at the end of α-decay chain from 291Lv]; calculated fragments quadrupole deformation, preformation probability, T1/2 using DCM (Dynamical Cluster Model). Halflife compared with experimental value.
doi: 10.5506/APhysPolB.48.629
2017SH46 Phys.Rev. C 96, 054307 (2017) K.Sharma, G.Sawhney, M.K.Sharma Spontaneous fission and competing ground state decay modes of actinide and transactinide nuclei RADIOACTIVITY 232,234,235,236,238U, 239,240,241Pu, 243Am, 243,245,248Cm, 249Bk, 249,250Cf, 253Es, 250,252,254,256Fm, 255,257,259Md(SF); 252,254,256,257,259No, 252,253,255,256,257,259Lr, 255,256,257,258,259,260Rf, 255Db, 258,260,262Sg, 264Hs(SF); calculated fragmentation potentials as function of fragment mass, half-lives for SF decays, barrier lowering parameter, neck-length parameter, preformation probability, penetrability parameter. Preformed cluster model approach. Comparison with other theoretical calculations of half-lives and, with experimental data.
doi: 10.1103/PhysRevC.96.054307
2016SA08 Acta Phys.Pol. B47, 959 (2016) G.Sawhney, R.K.Gupta, M.K.Sharma Importance of Deformations in Dynamical Evolution of Proton-halo Nuclei NUCLEAR STRUCTURE 11N, 27,28,29S; calculated one-, two-proton separation energies, fragmentation potentials.
doi: 10.5506/APhysPolB.47.959
2015NI07 Phys.Rev. C 91, 054606 (2015) Niyti, G.Sawhney, M.K.Sharma, R.K.Gupta α-decay chains of recoiled superheavy nuclei: A theoretical study RADIOACTIVITY 271Sg, 270,271,272,274Bh, 275Hs, 274,275,276,278Mt, 279Ds, 278,279,280,282Rg, 283Cn, 282,283,284,285,286Nh, 286,287Fl, 287,288,289,290Mc, 290,291Lv, 293,294Ts, 294Og(α); calculated half-lives of isotopes, Z=113-118 formed in hot fusion heavy-ion reactions 237Np, 243Am, 244Pu, 245Cm, 249Bk, 249Cf(48Ca, xn). Extension of the quantum-mechanical fragmentation theory based on preformed cluster model (PCM) to include temperature dependence. Comparison with experimental values, and with other theoretical calculations. NUCLEAR REACTIONS 249Bk(48Ca, 4n)293Ts*, E not given; calculated mass fragmentation potential, preformation probability as function of fragment mass number. 237Np(48Ca, 3n)282Mc*, E not given; 242Pu(48Ca, 3n)287Fl*, E not given; 243Am(48Ca, 3n)288Mc*, E not given; 243Am(48Ca, 4n)287Mc*, E not given; 245Cm(48Ca, 3n)290Lv*, E not given; 249Cf(48Ca, 3n)294Og*, E not given; 249Bk(48Ca, 3n)294Ts*, E not given; 249Bk(48Ca, 4n)293Ts*, E not given; calculated best-fit neck-length parameter, preformation probability, penetrability as function of mass number of α-decay chains. Extension of the quantum-mechanical fragmentation theory based on preformed cluster model (PCM) to include temperature dependence.
doi: 10.1103/PhysRevC.91.054606
2015SA50 Phys.Rev. C 92, 064303 (2015) G.Sawhney, A.Kaur, M.K.Sharma, R.K.Gupta Decay of the compound nucleus 297118* formed in the reaction 249Cf + 48Ca using the dynamical cluster-decay model NUCLEAR REACTIONS 249,250Cf(48Ca, 2n), (48Ca, 3n), (48Ca, 4n), E(*)=29.2, 34.4 MeV; calculated scattering potentials, evaporation residue cross sections, mass fragmentation potential, preformation and penetration probabilities, cross sections for 2n and 3n channels. Dynamical cluster-decay model (DCM). Comparison with available experimental data. RADIOACTIVITY 294Og, 290Lv, 286Fl(α); calculated half-lives and compared with other calculations and experimental data. 294Og, 290Lv, 286Fl(48Ca), (80Ge), (84Se), (86Kr); calculated preformation and penetration probabilities, half-lives. Preformed cluster model (PCM). Cluster decays.
doi: 10.1103/PhysRevC.92.064303
2014SA22 J.Phys.(London) G41, 055101 (2014) G.Sawhney, M.K.Sharma, R.K.Gupta Neutron-halo structure of light nuclei studied with effects of deformations and orientations included NUCLEAR STRUCTURE 11Be, 6He, 17B, 22C, 26,27,29F, 22O; calculated fragmentation potential, Q-values; deduced neutron halo. Cluster-core model, comparison with available data.
doi: 10.1088/0954-3899/41/5/055101
2014SA74 Eur.Phys.J. A 50, 175 (2014) G.Sawhney, K.Sandhu, M.K.Sharma, R.K.Gupta Role of nuclear deformations and proximity interactions in heavy particle radioactivity NUCLEAR STRUCTURE 278Nh, 287,288,289Mc, 293,294Ts; calculated preformation probability, charge and mass distribution of fragments, Q, T1/2 vs neck parameter using PCM (preformed cluster model) with both spherical and deformed potentials. Compared with other calculations.
doi: 10.1140/epja/i2014-14175-9
2013SA40 Phys.Rev. C 88, 034603 (2013) G.Sawhney, G.Kaur, M.K.Sharma, R.K.Gupta Theoretical study of odd-mass Fr isotopes using the collective clusterization approach of the dynamical cluster-decay model NUCLEAR REACTIONS 197Au(18O, X)215Fr*, 192,194,196,198,200Pt(19F, X)211Fr*/213Fr*/215Fr*/217Fr*/219Fr*, E(cm)=70-108 MeV; calculated neck length parameter, evaporation σ(E), fusion σ(E), fission anisotropy, fragmentation potential and fragment preformation probability as function of light-fragment mass number, barrier-lowering parameter for decay of 213,215,217Fr compound nuclei into 128,130,132Te+85Br fragments. Dynamical cluster-decay model (DCM). Comparison with experimental data.
doi: 10.1103/PhysRevC.88.034603
2012SA20 Eur.Phys.J. A 48, 57 (2012) Dynamical decay process of 219, 220Ra* formed in 10, 11B + 209Bi reactions NUCLEAR REACTIONS 209Bi(10B, γ), (11B, γ), E(cm)≈50-75 MeV; calculated preformation probability, σ, fission σ, neutron evaporation σ for spherical and deformed nuclei using DCM (dynamical cluster-decay model). Compared with data.
doi: 10.1140/epja/i2012-12057-x
2012SA39 Phys.Rev. C 86, 034613 (2012) G.Sawhney, R.Kumar, M.K.Sharma Decay of 241Pu* formed in 9Be+232Th around the Coulomb barrier using static and dynamic deformations NUCLEAR REACTIONS 232Th(9Be, X)241Pu(*), E=37-48 MeV; calculated centrifugal potential, scattering potential, fragmentation potential, decay barrier height, preformation probability, penetration probability, symmetric and asymmetric fission cross sections, barrier-lowering parameter, fission anisotropies. Dynamical cluster-decay model (DCM) with static and dynamic deformations. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.034613
2012SH20 Phys.Rev. C 85, 064602 (2012) M.K.Sharma, S.Kanwar, G.Sawhney, R.Gupta Decay of the 213, 217Fr* systems formed in 19F + 194, 198Pt reactions at Ec.m = 80-90 MeV NUCLEAR REACTIONS 194,198Pt(19F, X)213Fr*/217Fr*, 197Au(18O, X)215Fr*, E(cm)=80-94 MeV; calculated fragmentation potential, preformation probability, and penetration probability as a function of light fragment mass number for spherical and deformed nuclei, evaporation residue and fission cross section for deformed nuclei. Dynamical cluster-decay model (DCM). Comparison with experimental data.
doi: 10.1103/PhysRevC.85.064602
2011SA28 Phys.Rev. C 83, 064610 (2011) G.Sawhney, M.K.Sharma, R.K.Gupta Role of higher-multipole deformations in exotic 14C cluster radioactivity RADIOACTIVITY 221Fr, 221,222,223,224,226Ra, 223,225Ac, 226Th(14C); calculated fragmentation potential, half-lives, preformation probability, penetration probability, branching ratios. Preformed cluster model.
doi: 10.1103/PhysRevC.83.064610
2011SH14 J.Phys.(London) G38, 055104 (2011) M.K.Sharma, S.Kanwar, G.Sawhney, R.K.Gupta, W.Greiner Fusion excitation functions of 64Ni+112-132Sn reactions studied on the dynamical cluster-decay model NUCLEAR REACTIONS 112,118,124Sn(64Ni, X)176Pt/182Pt/188Pt/196Pt, 64Ni(132Sn, X)196Pt, E(cm)<200 MeV; calculated fusion σ, fragmentation potentials. Dynamical cluster-decay model.
doi: 10.1088/0954-3899/38/5/055104
2011SH27 J.Phys.(London) G38, 105101 (2011) M.K.Sharma, G.Sawhney, R.K.Gupta, W.Greiner The decay of the compound nucleus 215Fr* formed in the 11B+204Pb and 18O+197Au reaction channels using the dynamical cluster-decay model NUCLEAR REACTIONS 204Pb(11B, X)215Fr, 197Au(18O, X)215Fr, E(cm)=60.24 MeV; calculated cross sections, compound nucleus decay barrier for fusion-fission mode. Dynamical cluster-decay model.
doi: 10.1088/0954-3899/38/10/105101
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