NSR Query Results
Output year order : Descending NSR database version of May 8, 2024. Search: Author = P.S.Damodara Gupta Found 27 matches. 2023MA02 Nucl.Phys. A1030, 122568 (2023) H.C.Manjunatha, Y.S.Vidya, K.N.Sridhar, L.Seenappa, P.S.Damodara Gupta Effect of entrance channel parameters on the elastic scattering of light nuclei NUCLEAR REACTIONS 11B, 14N, 6,7Li(p, p), 6,7Li, 12C, 28Si(d, d), 6Li(3He, 3He), 6,7Li, 24Mg, 9Be(α, α), 6Li, 9Be, 4He, 12C, 48Ti(6He, 6He), 12,13C, 16O, 208Pb, 26Mg, 28Si, 40Ca, 4He, 58Ni, 6,7Li, 90Zr(6Li, 6Li), 12,13C, 16O, 28Si, 7Li(7LI, 7Li), 12C, 7Li, 9Be(8Li, 8Li), 2H(11Be, 11Be), 10B, 12C, 14N, 9Be(7Be, 7Be), 16O, 9Be(9Be, 9Be), 12C, 16O, 7Li(10B, 10B), 13,14C, 7Li, 9Be(11B, 11B), 12C(8B, 8B), 14N(11C, 11C), 11B, 13C(12C, 12C), 12C(13C, 13C), 11B, 12,13C, 14N, 16O, 7Li, 9Be(14N, 14N), 9Be(15N, 15N), 11B(16N, 16N), 12C, 18O(16O, 16O), 208Pb(17O, 17O), 13C, 18O, 7Li(18O, 18O), 14N, 197Au, 208Pb(17F, 17F), E<100 MeV; analyzed available data; deduced elastic scattering σ derived from entrance channel parameters.
doi: 10.1016/j.nuclphysa.2022.122568
2023MA06 Pramana 97, 12 (2023) H.C.Manjunatha, N.Sowmya, K.N.Sridhar, L.Seenappa, P.S.Damodara Gupta An accurate empirical formula for the average total kinetic energy released in fission NUCLEAR STRUCTURE Z=23-120; analyzed available data; deduced s new improved formula of Viola systematics, covariance of the matrix and its parameters in both symmetric and asymmetric fission of nuclei.
doi: 10.1007/s12043-022-02485-x
2023MA15 Nucl.Phys. A1032, 122621 (2023) H.C.Manjunatha, N.Sowmya, R.Munirathnam, K.N.Sridhar, L.Seenappa, P.S.Damodara Gupta Effect of entrance channel parameters on compound nucleus formation probability in heavy ion fusion reactions
doi: 10.1016/j.nuclphysa.2023.122621
2023MA28 J.Phys.(London) G50, 035101 (2023) H.C.Manjunatha, P.S.Damodara Gupta, N.Sowmya, N.Manjunatha, K.N.Sridhar, L.Seenappa, T.Nandi Survival probability of compound nuclei in heavy-ion fusion reaction NUCLEAR REACTIONS 249Cf(48Ca, X)294Og, E(cm)=200-230 MeV; 208Pb(50Ti, X)258Rf, 209Bi(50Ti, X)259Db, 244Pu(48Ca, X)292Fl, 208Pb(58Fe, X)266Hs, 208Pb(54Cr, X)262Sg, E not given; analyzed available data; calculated the survival probability of superheavy nuclei; deduced an empirical formula.
doi: 10.1088/1361-6471/acb1cb
2023MA56 Chin.Phys.C 47, 104104 (2023) H.C.Manjunatha, N.Sowmya, L.Seenappa, P.S.Damodara Gupta, N.Manjunatha Heavy ion fusion of spherical nuclei NUCLEAR REACTIONS 238U, 237Np, 242,244Pu, 243Am, 245,248Cm, 249Bk, 249Cf(48Ca, X)Po/Th/No, E(cm)=180-230 MeV; analyzed available data; deduced σ with theoretical models such as the dinuclear system (DNS) and advanced statistical model (ASM).
doi: 10.1088/1674-1137/acea21
2023SO13 Phys.Part. and Nucl.Lett. 20, 544 (2023) N.Sowmya, H.C.Manjunatha, K.N.Sridhar, P.S.Damodara Gupta, N.Dhanajaya Competition between Cluster and Alpha Decay in Even Atomic Number Superheavy Nuclei 110 ≤ Z ≤ 126 RADIOACTIVITY 261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280Ds, 274,275,276,277,278,279,280,281,282,283Cn, 280,281,282,283,284,285,286,287,288Fl, 282,283,284,285,286,287,288,289,290,291,292,293,294,295Lv, 286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303Og, 288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306120, 292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310122, 292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312124, 292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314126(α), (SF); calculated T1/2, Q-values. Comparison with available data.
doi: 10.1134/S1547477123030664
2022DA17 Phys.Rev. C 106, 064603 (2022) P.S.Damodara Gupta, N.Sowmya, H.C.Manjunatha, L.Seenappa, T.Ganesh Quasifission barrier of heavy ion fusion reactions leading to the formation of the superheavy nucleus 302120 NUCLEAR REACTIONS 251Cf(56Ti, 3n)304120, E*=36 MeV; 251Cf(57Ti, 4n)304120, E*=47 MeV; 251Cf(58Ti, 5n)304120, E*=60 MeV; 249Bk(58V, 3n)304120, E*=37 MeV; 249Bk(59V, 4n)304120, E*=47 MeV; 249Bk(60V, 5n)304120, E*=59 MeV; 248Cm(59Cr, 3n)304120, E *=36 MeV; 248Cm(60Cr, 4n)304120, E*=46 MeV; 248Cm(61Cr, 5n)304120, E*=57 MeV; 248Cf(45Sc, 3n)290119, E*=39 MeV; 247Bk(50Ti, 3n)294119, E*=36 MeV; 242Cm(51V, 3n)290119, E*=38 MeV; 242Am(54Cr, 3n)293119, E*=37 MeV; calculated evaporation residue σ. 237Th(65Zn, X), 218Po(84Kr, X), E not given; calculated nucleus-nucleus interaction potential from the fusion which leads to 302120 production. 252Cf(50Ti, X), E(cm)=223 MeV; 249Bk(53V, X), E(cm)=229 MeV; 248Cm(54Cr, X), E(cm)=236 MeV; 244Pu(58Fe, X), E(cm)=249 MeV; 239Pa(63Cu, X), E(cm)=260 MeV; 232Th(70Zn, X), E(cm)=281 MeV; 222Rn(80Se, X), E(cm)=309 MeV; 228Ra(74Ge, X), E(cm)=240 MeV; 238U(64Ni, X), E(cm)=267 MeV; calculated quasifission barrier, evaporation residue σ, entrance channel parameters. Investigated the influence of the projectile-target orientation and angular momentum on quasifission barriers. Dinuclear system (DNS) model. Comparison to other theoretical estimations.
doi: 10.1103/PhysRevC.106.064603
2022MA15 Int.J.Mod.Phys. E31, 2250015 (2022) H.C.Manjunatha, P.S.Damodara Gupta, N.Sowmya, K.N.Sridhar Investigations on 28Ca and 58Fe-induced heavy ion fusion reactions NUCLEAR REACTIONS 40Ca, 44Ca, 48Ca, 48Ca, 46Ti, 48Ti, 50Ti, 58Ni, 60Ni, 62Ni, 64Ni, 90Zr, 94Zr, 96Zr(40Ca, X), 90Zr, 96Zr(48Ca, X), 124Sn(40Ca, X), 154Sm, 168Er, 170Er(48Ca, X), 192Os, 194Pt, 197Au(40Ca, X), 197Au(48Ca, X), 208Pb(40Ca, X), 208Pb(48Ca, X), 238U(40Ca, X), 238U(48Ca, X), 120Sn, 122Sn, 165Ho(56Fe, X), 238U, 237Np, 244Pu, 243Am, 245Cm, 249Bk, 249Cf(48Ca, X), 208Pb, 209Bi(58Fe, X), E<320 MeV; analyzed available data. 80Zr, 84Zr, 88Zr, 96Zr, 86Mo, 88Mo, 90Mo, 98Cd, 100Cd, 102Cd, 104Cd, 130Nd, 134Nd, 136Nd, 138Nd, 144Nd, 164Yb, 202Pb, 216Ra, 218Ra, 232Cm, 234Cf, 237Es, 245Es, 248No, 256No, 278Cn, 286Cn, 283Cn, 282Nh, 288Fl, 288Mc, 291Lv, 294Ts, 294Og, 265Hs, 266Mt; calculated evaporation residue σ.
doi: 10.1142/S021830132250015X
2022MA29 Eur.Phys.J.Plus 137, 693 (2022) H.C.Manjunatha, N.Sowmya, P.S.Damodara Gupta, L.Seenappa, T.Nandi Role of optimal beam energies in the heavy ion fusion reaction NUCLEAR REACTIONS 208Pb, 209Bi(50Ti, n), (50Ti, 2n), (50Ti, 3n), 242,244Pu(48Ca, 3n), (48Ca, 4n), 245,248Cm(48Ca, 3n), E(cm)<300 MeV; analyzed available data; deduced optimal beam energies and σ for heavy ion fusion reactions.
doi: 10.1140/epjp/s13360-022-02677-9
2022MA67 Phys.Part. and Nucl.Lett. 19, 597 (2022) H.C.Manjunatha, A.M.Nagaraja, P.S.Damodara Gupta, N.Manjunatha, N.Sowmya, S.A.Cecil Raj Heavy Particle Radioactivity of Superheavy Element Z = 122 RADIOACTIVITY 222,223,224,226Ra(14C), 231Pa, 232U(24Ne), 233U(25Ne), 294,295,296,297,298,299,300122(86Kr), 301,302,303,304,305122(94Zr), 306,307,308,309,310,311,312,313,314122(α); calculated T1/2 using Coulomb and proximity potential model (CPPM) and modified generalized liquid drop model (MGLDM).
doi: 10.1134/S1547477122050260
2022MA69 J.Phys.(London) G49, 125101 (2022) H.C.Manjunatha, Y.S.Vidya, P.S.Damodara Gupta, N.Manjunatha, N.Sowmya, L.Seenappa, T.Nandi Rules of thumb for synthesizing superheavy elements NUCLEAR REACTIONS 249Cf(45Sc, X)294119, 249Bk(50Ti, X)299119, 248Cm(51V, X)299119, 249Cf(50Ti, X)299120, 243Am(54Cr, X)297119, 237Np(58Fe, X)295119, 238U(59Co, X)297119, 248Cm(54Cr, X)302120, 243Am(55Mn, X)298120, 237Np(59Co, X)296120, 244Pu(58Fe, X)302120, 238U(64Ni, X)302120, 248Cm(54Cr, X)302120, 244Pu(58Fe, X)302120, 244Pu(55Mn, X)299119, E not given; analyzed available data; deduced evaporation residue σ, deformation effects using ASM calculations.
doi: 10.1088/1361-6471/ac929c
2022NA09 Int.J.Mod.Phys. E31, 2250004 (2022) A.M.Nagaraja, H.C.Manjunatha, N.Sowmya, K.N.Sridhar, P.S.Damodara Gupta, S.A.Cecil Raj Theoretical evidence for neutron magic number 184 from cluster radioactivity studies RADIOACTIVITY 221Fr, 221,222,223,224Ra, 225Ac(14C), 228Th(20O), 230U(22Ne), 230Th, 231Pa, 232,233U(24Ne), 234U(26Ne), 234U, 236,238Pu(28Mg), 238Pu(32Si), 242Cm(34Si), 257,258,259,260,261,262Rf, 259,260,261,262Db, 261,262Sg, 263,264,265,266Bh, 264,265,266,267,268,269,270,271,272Hs, 271,272,273Mt, 266,267,268,269,270,271,272,273,274,275,276,277,278,279Ds, 271,272,273,274,275,276,277,278,279Rg, 276,277,278,279,280,281Cn, 291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307119, 287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310120, 290,291,292,293,294,295,296,297,298,299,300,301,302,303121, 270,271,272,273,274,275,276,277,278,279,280,281,282,283Nh, 271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287Fl, 272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290Mc, 275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292Lv, 278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299Ts, 281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303Og, 284,285,286,287,288,289,290119, 305,306,307,308,309,310,311,312,313,314,315,316,317124, 303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323125, 306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326,327,328,329126(α), (β+), (SF); calculated T1/2 using modified generalized liquid drop model (MGLDM); deduced magic numbers. Comparison with available data.
doi: 10.1142/S0218301322500045
2022NA20 Pramana 96, 84 (2022) T.Nandi, D.K.Swami, P.S.Damodara Gupta, Y.Kumar, S.Chakraborty, H.C.Manjunatha Search for a viable nucleus-nucleus potential in heavy-ion nuclear reactions
doi: 10.1007/s12043-022-02331-0
2022SO03 Phys.Rev. C 105, 044605 (2022) N.Sowmya, P.S.Damodara Gupta, H.C.Manjunatha, T.Nandi Accurate estimation of the neutron and fission decay widths for hot fusion reactions NUCLEAR REACTIONS 248Cm(26Mg, X)274Hs, E*=5-90 MeV; calculated neutron to total decay width ratio. 248Cm(26Mg, X), E*<75 MeV; 208Pb(70Zn, X), E*<40 MeV; 238U(74Ge, X), E*<50 MeV; 244Pu(48Ca, X), E*<90 MeV; calculated fission barrier. Statistical calculations with level densities obtained with modified back-shifted Fermi gas model with the shell and pairing energy correction. Comparison to experimental data and other theoretical calculations.
doi: 10.1103/PhysRevC.105.044605
2022SR02 Int.J.Mod.Phys. E31, 2250043 (2022) M.G.Srinivas, N.Sowmya, H.C.Manjunatha, P.S.Damodara Gupta, R.Munirathnam, N.Manjunatha Radioactivity of Dysprosium RADIOACTIVITY 133,134,135Dy(β+), 133,134,135Tb(p), 132,133,134Gd, 132,133,134Eu, 132,133,134Sm, 132,133,134Pm, 132,133,134Nd, 132,133,134Pr, 132,133,134Ce, 132,133,134La, 132,133,134Ba(β+), 132,133Ba(2β+); analyzed available data; deduced the penetration probability, T1/2 for one proton radioactivity of all possible Dysprosium isotopes. The effective liquid drop model (ELDM).
doi: 10.1142/S0218301322500434
2022SR03 Ukr.J.Phys. 67, 631 (2022) M.G.Srinivas, H.C.Manjunatha, K.N.Sridhar, A.C.Raj, P.S.Damodara Gupta A Systematic Study of Proton Decay in Superheavy Elements NUCLEAR STRUCTURE Z=104-126; calculated proton decay T1/2, penetration factors using the semiclassical WKB method. Comparison with available data.
doi: 10.15407/ujpe67.9.631
2021MA16 Phys.Rev. C 103, 024311 (2021) H.C.Manjunatha, L.Seenappa, P.S.Damodara Gupta, N.Manjunatha, K.N.Sridhar, N.Sowmya, T.Nandi Quasifission and fusion-fission lifetime studies for the superheavy element Z=120 NUCLEAR REACTIONS 252Cf(50Ti, X)302120*, E=299 MeV; 251Cf(50Ti, X)301120*, E=293 MeV; 250Cf(50Ti, X)300120*, E=300 MeV; 252Cf(49Ti, X)301120*, E=299 MeV; 249Cf(50Ti, X)299120*, E=295 MeV; 248Cm(54Cr, X)302120*, E=316 MeV; 244Pu(58Fe, X)302120*, E=347 MeV; 238U(64Ni, X)302120*, E=372 MeV; 64Ni(238U, X)302120*, E=1383 MeV; 60Ni(238U, X)298120*, E=1476 MeV; calculated fusion barriers, fusion σ, evaporation σ, fusion-fission σ, quasifission σ, quasifission lifetimes, and fusion-fission lifetimes for synthesis of Z=120 nuclei. 65Zn(238U, X)303122*, E(cm)=275.7 MeV; 40Ca(238U, X)278Cn*, E(cm)=184.9 MeV; 48Ca(238U, X)278Cn*, E(cm)=215.7 MeV; 35Cl(238U, X)273Mt*, E(cm)=204.4 MeV; 32S(238U, X)270Hs*, E(cm)=152.0 MeV; 184W(72Ge, X)256Sg*, E(cm)=178.1 MeV; 27Al(238U, X)265Db*, E(cm)=146.0 MeV; 184W(64Ni, X)248No*, E(cm)=341.0 MeV; 184W(58Ni, X)242No*, E(cm)=250.9, 266.1, 285.1 MeV; 186W(48Ti, X)234Cm*, E(cm)=245.0 MeV; 184W(48Ti, X)232Cm*, E(cm)=190.3, 194.3, 202.2 MeV; 208Pb(16O, X)224Th*, E(cm)=140.0 MeV; 186W(32S, X)218Th*, E(cm)=180.0 MeV; 184W(32S, X)216Th*, E(cm)=153.3 MeV; calculated quasifission and fusion-fission lifetimes, and compared with experimental data. 248Cm(54Cr, X)302120*, E=326 MeV; 244Pu(58Fe, X)302120*, E(cm)=325 MeV; 238U(64Ni, X)302120*, E(cm)=349 MeV; 249Cf(50Ti, X)299120*, E(cm)=273 MeV; 249Bk(50Ti, X)299119*, E(cm)=267 MeV; 248Cm(51V, X)299120*, E(cm)=277 MeV; 249Cf(48Ca, X)297Og*, E(cm)=235 MeV; 249Bk(48Ca, X)297Ts*, E(cm)=239 MeV; 248Cm(48Ca, X)296Lv*, E(cm)=241 MeV; 243Am(48Ca, X)291Mc*, E(cm)=248 MeV; 242Pu(48Ca, X)290Fl*, E(cm)=244 MeV; 209Bi(70Zn, X)279Nh*, E(cm)=349 MeV; 208Pb(70Zn, X)278Cn*, E(cm)=346 MeV; calculated quasifission and fusion-fission lifetimes for the first six failed experiments to find evidence for Z=119 and 120, and the next seven successful experiments. Statistical method within the framework of the dinuclear system (DNS) model.
doi: 10.1103/PhysRevC.103.024311
2021MA20 Int.J.Mod.Phys. E30, 2150013 (2021) H.C.Manjunatha, G.R.Sridhar, N.Sowmya, P.S.Damodara Gupta, H.B.Ramalingam A systematic study of alpha decay in actinide nuclei using modified generalized liquid drop model RADIOACTIVITY 210Ac, 214Ac, 220Ac, 223,224,225,226Ac, 209,211Th, 215,217Th, 218Th, 223,225Th, 226,227Th, 229Th, 232Th, 224,225Pa, 228,229,230Pa, 217,219U, 223,225,227U, 228U, 231U, 234,235U, 227,229,231Np, 235,236,237Np, 229,230Pu, 233Pu, 236,237Pu, 239,241Pu, 242Pu, 235Am, 239,240,241Am, 243Am, 239,240,241Cm, 243,245Cm, 246,247Cm, 243,244,245Bk, 247,249Bk, 237Cf, 244Cf, 247,249Cf, 250,251Cf, 253Cf, 245,246Es, 252,254Es, 255Es, 243,245Fm, 246Fm, 247,249,251Fm, 252,253Fm, 255,257Fm, 247,249,251Md, 255,256,257,258Md, 252,253No, 255,257,259No, 255,257,259Lr(α); calculated T1/2. Comparison with experimental data.
doi: 10.1142/S0218301321500130
2021MA57 Phys.Rev. C 104, 024622 (2021) H.C.Manjunatha, P.S.Damodara Gupta, N.Sowmya, L.Seenappa, N.Manjunatha Systematics of heavy ion fusion with entrance channel and deformation parameters NUCLEAR REACTIONS 169Tm(13C, 5n)176Re, E*=59.3 MeV; 165Ho(16O, 5n)176Re, E*=63.3 MeV; 181Ta(9Be, 4n)186Ir, E*=48.5 MeV; 170Eu(30Si, 5n)195Ir, E*=96.5 MeV; 169Tm(16O, 3n)182Ir, E*=47.9 MeV; 187Re(α, n)190Ir, E*=11.7 MeV; 186W(9Be, 5n)190Pt, E*=56.7 MeV; 187Re(9Be, 5n)191Au, E*=50.8 MeV; 197Au(6He, 5n)198Tl, E*=55.2 MeV; 194Pt(6Li, 4n)196Tl, E*=47 MeV; 181Ta(16O, 5n)192Tl, E*=63.7 MeV; 181Ta(19F, 5n)195Pb, E*=63.4 MeV; 208Pb(α, 2n)210Po, E*=27.4 MeV; 198Pt(12C, 5n)205Po, E*=57 MeV; 164Dy(40Ar, 5n)199Po, E*=76.2 MeV; 154Gd(48Ca, 4n)198Po, E*=51.2 MeV; 209Bi(α, 3n)210At, E*=34 MeV; 208Pb(9Li, 5n)212At, E*=54.9 MeV; 197Au(12C, 5n)204At, E*=58.5 MeV; 192Os(19F, 6n)205At, E*=70.8 MeV; 205Tl(9Be, 4n)210At, E*=44.7 MeV; 159Tb(48Ca, 5n)202At, E*=53.6 MeV; 165Ho(40Ar, 4n)201At, E*=47.7 MeV; 209Bi(6Li, 5n)210Rn, E*=60 MeV; 208Pb(9Be, 5n)212Rn, E*=56.7 MeV; 190Os(22Ne, 7n)205Rn, E*=77 MeV; 162Dy(48Ca, 5n)205Rn, E*=48 MeV; 160Gd(50Ti, 5n)205Rn, E*=49.1 MeV; 209Bi(11Be, 4n)216Fr, E*=52.9 MeV; 169Tm(40Ar, 4n)205Fr, E*=47.6 MeV; 205Tl(12C, 4n)213Fr, E*=47.9 MeV; 197Au(18O, 5n)210Fr, E*=53.8 MeV; 165Ho(48Ca, 5n)208Fr, E*=55.8 MeV; 159Tb(50Ti, 4n)205Fr, E*=43.1 MeV; 209Bi(11B, 4n)216Ra, E*=44 MeV; 198Pt(22Ne, 6n)214Ra, E*=64.1 MeV; 174Yb(40Ar, 5n)209Ra, E*=20.9 MeV; 162Dy(50Ti, 3n)209Ra, E*=41.3 MeV; calculated Coulomb interaction parameter, mean fissility, charge and mass asymmetry, deformation parameter β2, and evaporation residue σ for synthesis of the pre-actinide nuclei using advanced statistical model (ASM) and dinuclear system model (DNS) models. Comparison with experimental data. NUCLEAR REACTIONS 209Bi(12C, 6n)215Ac, E*=53.1 MeV; 197Au(22Ne, 5n)214Ac, E*=62.8 MeV; 175Lu(40Ar, 6n)209Ac, E*=68.2 MeV; 208Pb(16O, 3n)221Th, E*=31.5 MeV; 173Yb(48Ca, 4n)217Th, E*=46.6 MeV; 172Yb(48Ca, 4n)216Th, E*=45.7 MeV; 180Hf(40Ar, 4n)216Th, E*=49.4 MeV; 96Zr(124Sn, 4n)216Th, E*=48 MeV; 179Hf(40Ar, 4n)215Th, E*=38.9 MeV; 178Hf(40Ar, 5n)213Th, E*=44.8 MeV; 94Zr(124Sn, 3n)215Th, E*=37.1 MeV; 177Hf(40Ar, 4n)213Th, E*=39.2 MeV; 92Zr(124Sn, 3n)213Th, E*=31.7 MeV; 90Zr(124Sn, 3n)211Th, E*=38.4 MeV; 92Zr(124Sn, n)215Th, E*=23.6 MeV; 182W(32S, 4n)210Th, E*=53.1 MeV; 90Zr(124Sn, n)213Th, E*=22.6 MeV; 181Ta(40Ar, 4n)217Pa, E*=39.8 MeV; 208Pb(22Ne, 4n)226U, E*=37.2 MeV; 180Hf(48Ca, 3n)225U, E*=36.8 MeV; 238U(α, n)241Pu, E*=39.9 MeV; 235U(α, 2n)237Pu, E*=19.8 MeV; 234U(α, 2n)236Pu, E*=19.5 MeV; 233U(α, 2n)235Pu, E*=22.7 MeV; 184W(48Ca, 3n)229Pu, E*=31.2 MeV; 237Np(α, 2n)239Am, E*=21.5 MeV; 207Pb(34S, 3n)238Cf, E*=35.7 MeV; 207Pb(36S, 3n)240Cf, E*=32.1 MeV; 197Au(48Ca, 2n)243Es, E*=32.2 MeV; 238U(16O, 5n)249Fm, E*=50.2 MeV; 208Pb(48Ca, 2n)254No, E*=23.1 MeV; 246Cm(12C, 4n)254No, E*=41.2 MeV; 207Pb(48Ca, 2n)253No, E*=23.6 MeV; 248Cm(13C, 4n)257No, E*=38.7 MeV; 248Cm(12C, 4n)256No, E*=41.8 MeV; 246Cm(13C, 4n)255No, E*=42.3 MeV; 206Pb(48Ca, 2n)252No, E*=24.3 MeV; 244Cm(13C, 4n)253No, E*=41.4 MeV; 204Pb(48Ca, 2n)250No, E*=24, 25.4 MeV; 207Pb(48Ca, 2n)253No, E*=24.2 MeV; 209Bi(48Ca, 2n)255Lr, E*=22.9 MeV; calculated Coulomb interaction parameter, mean fissility, charge and mass asymmetry, deformation parameter β2, and evaporation residue σ for synthesis of the actinide nuclei using advanced statistical model (ASM) and dinuclear system model (DNS) models. Comparison with experimental data. NUCLEAR REACTIONS 208Pb(50Ti, 2n)256Rf, E*=24.3 MeV; 248Cm(16O, 5n)259Rf, E*=53.58 MeV; 209Bi(50Ti, n)258Db, E*=15.8 MeV; 248Cm(19F, 5n)262Db, E*=55.4 MeV; 208Pb(54Cr, n)261Sg, E*=16.1 MeV; 248Cm(22Ne, 5n)265Sg, E*=54.9 MeV; 238U(30Si, 5n)263Sg, E*=40.5 MeV; 209Bi(54Cr, n)262Bh, E*=16.9 MeV; 208Pb(58Fe, n)265Hs, E*=16.1 MeV; 248Cm(26Mg, 5n)269Hs, E*=57 MeV; 238U(34S, 5n)267Hs, E*=57.6 MeV; 209Bi(58Fe, n)266Mt, E*=15.5 MeV; 208Pb(64Ni, n)271Ds, E*=18.1 MeV; 208Pb(62Ni, n)269Ds, E*=15.6 MeV; 209Bi(64Ni, n)272Rg, E*=13.1 MeV; 238U(48Ca, 3n)283Cn, E*=37.8 MeV; 208Pb(70Zn, n)277Cn, E*=10 MeV; 237Np(48Ca, 3n)282Nh, E*=46.9 MeV; 209Bi(70Zn, n)278Nh, E*=16.9 MeV; 244Pu(48Ca, 4n)288Fl, E*=41 MeV; 242Pu(48Ca, 4n)286Fl, E*=42.9 MeV; 240Pu(48Ca, 4n)284Fl, E*=49 MeV; 239Pu(48Ca, 3n)284Fl, E*=46.4 MeV; 243Am(48Ca, 3n)288Mc, E*=45 MeV; 248Cm(48Ca, 4n)292Lv, E*=46.9 MeV; 249Bk(48Ca, 4n)293Ts, E*=65.7 MeV; 249Cf(48Ca, 3n)294Og, E*=38.8 MeV; calculated Coulomb interaction parameter, mean fissility, charge and mass asymmetry, deformation parameter β2, and evaporation residue σ for synthesis of superheavy nuclei using advanced statistical model (ASM) and dinuclear system model (DNS) models. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.024622
2021NA21 Nucl.Phys. A1015, 122306 (2021) A.M.Nagaraja, H.C.Manjunatha, N.Sowmya, L.Seenappa, P.S.Damodara Gupta, N.Manjunatha, S.A.Cecil Raj Heavy particle radioactivity of superheavy element Z = 126 RADIOACTIVITY 221Fr, 221,222,223,224,226Ra, 225Ac(14C), 228Th(20O), 230U(22Ne), 230Th, 231Pa, 232,233U(24Ne), 234U(26Ne), 234U, 236,238Pu(28Mg), 238Pu(30Mg), 238Pu(32Si), 242Cm(34Si), 306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326126(α), (β+), (SF); analyzed available data; calculated T1/2.
doi: 10.1016/j.nuclphysa.2021.122306
2021SO21 Phys.Part. and Nucl.Lett. 18, 177 (2021) N.Sowmya, H.C.Manjunatha, P.S.Damodara gupta Decay Properties of Superheavy Nuclei 269-290Fl RADIOACTIVITY 269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290Fl(α); calculated T1/2 using the coulomb and proximity potential model (CPPM), generalized liquid drop model (GLDM), temperature dependent dynamical cluster model(DCM). Comparison with available data.
doi: 10.1134/S1547477121020199
2021SR02 Int.J.Mod.Phys. E30, 2150094 (2021) G.R.Sridhara, H.C.Manjunatha, N.Sowmya, P.S.Damodara Gupta A study of alpha-decay using effective liquid drop model RADIOACTIVITY 145Pm, 146,147Sm, 147,148Eu, 149,150,151,152Gd, 149Tb, 150Dy, 151Tb, 151,152,153,154Dy, 151,152,153,154Ho, 152,153,154,155,156Er, 153,154,155,156Tm, 154,155,156,157,158Yb, 155,156,157,158Lu, 156,157,158,159,160Hf, 162Hf, 174Hf, 157,158,159Ta, 163Ta, 158W, 171,172,173,174,175,176,177,178,179,180,181,182,183,184Pt, 186,188,190Pt, 170,171Au, 173Au, 175,176,177Au, 179,181,183,185Au, 186Au, 171,172,173,174Hg, 176,177,178,179,180,181,182,183,184,185,186Hg, 188Hg, 177Tl, 179,180,181Tl, 183Tl, 186,187Tl, 209,210,211,212,213,214,215,216Po, 218,219Po, 191,192,193,194,195At, 197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213At, 215At, 217,218,219,220At, 193,194,195,196,197Rn, 200Rn, 202,203,204,205,206,207,208,209,210,211Rn, 210Ac, 214Ac, 216Ac, 220Ac, 223,224,225,226Ac, 209Th, 211Th, 215Th, 217,218Th, 221Th, 223Th, 225,226,227Th, 229Th, 232Th, 224,225Pa, 228,229,230Pa, 219U, 223,225,227U, 228U, 231U, 234,235U, 227Np, 229Np, 231Np, 235,236,237Np, 229,230Pu, 233Pu, 236,237Pu, 239Pu, 241,242Pu, 235Am, 239,240Am, 257Rf, 259Rf, 263Rf, 255,256,257,258,259,260,261,262Db, 259,260,261Sg, 265Sg, 269Sg, 271Sg, 260,261,262Bh, 264Bh, 266,267Bh, 270Bh, 274Bh, 264,265,266,267,268,269Hs(α); calculated T1/2. Comparison with available data.
doi: 10.1142/S0218301321500944
2021VI07 Int.J.Mod.Phys. E30, 2150078 (2021) Y.S.Vidya, H.C.Manjunatha, P.S.Damodara Gupta An attempt to construct semi-empirical formula for angular momentum-dependent fission barriers of actinides NUCLEAR STRUCTURE 232Th, 230,231,232,233,234Pa, 231,232,233,234,235,236,237,238,239U, 236,237,238Np, 237,238,239,240,241,242,243,244,245Pu, 243Cm, 249Cm; analyzed available data; deduced a new semi-empirical formula for angular momentum-dependent fission barriers of actinides.
doi: 10.1142/S0218301321500786
2020MA24 Z.Naturforsch. 75, 501 (2020) H.C.Manjunatha, G.R.Sridhar, P.S.Damodara Gupta, H.B.Ramalingam, V.H.Doddamani Pocket formula for alpha decay energies and half-lives of actinide nuclei NUCLEAR STRUCTURE Z>88; analyzed available data; deduced formula for α-decay T1/2.
doi: 10.1515/zna-2020-0023
2020MA62 Phys.Rev. C 102, 064605 (2020) H.C.Manjunatha, N.Sowmya, N.Manjunatha, P.S.Damodara Gupta, L.Seenappa, K.N.Sridhar, Ganesh, T.Nandi Entrance channel dependent hot fusion reactions for superheavy element synthesis NUCLEAR REACTIONS 208Pb(62Ni, n)269Ds, 251Cf(25Mg, 4n)272Ds, 249,253Bk(26Al, 5n)270Ds/274Ds, 209Bi(64Ni, n)272Rg, 234Th(48Sc, 3n)279Rg, 248Cm(33P, 4n)277Rg, 242Pu(37Cl, 4n)275Rg, 238U(40K, 5n)273Rg, 208Pb(70Zn, n)277Cn, 242Pu(42Ar, 3n)281Cn, 238U(47Ca, 3n)282Cn, 249Bk(33P, 4n)278Cn, 209Bi(70Zn, n)278Nh, 254Cf(31P, 4n)281Nh, 250Cm(37Cl, 4n)283Nh, 252Cf(32P, 4n)280Nh, 253Cf(33P, 4n)282Nh, 249Bk(33S, 5n)277Nh, 244Pu(48Ca, 3n)289Fl, 240Pu(43Ca, 3n)280Fl, 246Cm(36Ar, 4n)278Fl, 243Am(48Ca, 3n)288Mc, 244Pu(46Sc, 3n)287Mc, 246Bk(38Ar, 3n)281Mc, 240Pu(48Sc, 3n)285Mc, 236U(51V, 3n)284Mc, 248Cm(48Ca, 4n)292Lv, 249Cf(36Ar, 3n)282Lv, 240Cm(41Ca, 3n)278Lv, 252Cf(36Ar, 4n)284Lv, 249Bk(48Ca, 4n)293Ts, (48Ca, 3n)294Ts, 243Bk(46Ca, 2n)287Ts, 248Bk(48Ca, 3n)293Ts, 249Cf(48Ca, 3n)294Og, 244Pu(52Cr, 3n)293Og, 252Cf(47Ca, 3n)296Og, 253Cf(40Ca, 5n)288Og, 250Cm(50V, 3n)297119, 239Pu(53Mn, 3n)289119, 249Cf(44Ti, n)292120, (47Ti, n)295120, (50Ti, n)298120, 239Np(64Ni, 2n)301121, 252Cf(48V, 3n)297121, 253Cf(49V, 3n)299121, 225Rn(85Kr, X)310122, 223At(86Rb, n)308122, 239Pa(76Ge, n)314123, 242Np(72Zn, n)313123, 240Np(64Zn, 2n)302123, 232Th(71As, 2n)301123, 242,244Pu(72Zn, n)313124/315124, 227Ac(85Kr, n)311125, 245Bk(58Ni, n)302125, 249Bk(66Ni, n)314125, 247Bk(60Ni, n)305125, 232Th(83Kr, X)315126, (82Kr, X)314126, E not given; Z=5-40, A=10-96 projectiles; Z=72-114, A=180-290 targets; calculated evaporation residue fusion cross sections in 6645 different projectile-target combinations for synthesis of Z=110-126 superheavy nuclei, and their dependence on entrance channel effects of mass asymmetry, charge asymmetry, isospin asymmetry, Coulomb charge, Coulomb interaction parameter, mean fissility, and Businaro-Gallone mass asymmetry; compared with available experimental data. 266,270,272,274,276,278,280Ds, 278,280,282,284,286Cn, 272,274,276,278,280,282Fl, 276,278,280,282,284,286,288,290,292,294Lv, 292,294,296,298,300Og, 286,288,290,292,294,296,298,300,302,304120, 308,310,312,314122, 314,316,318124, 318,320126; calculated evaporation residue cross sections in fusion reactions as function of the mass asymmetry parameter. NUCLEAR REACTIONS 231U(36Ar, X)267Ds, 208Pb(61Ni, X)269Ds, 232U(38Ar, X)270Ds, 249Bk(26Al, X)275Ds, 251Cf(25Mg, X)276Ds, 253Cf(24Mg, X)277Ds, 252Cf(26Mg, X)278Ds, 253,254Bk(26Al, X)279Ds/280Ds, 254Bk(27Al, X)281Ds, 248Cf(26Al, X)274Rg, 231Pa(44Ca, X)275Rg, 239Pu(37Cl, X)276Rg, 236U(41K, X)277Rg, 238U(40K, X)278Rg, 242Pu(37Cl, X)279Rg, 253Cf(27Al, X)280Rg, 248,250Cm(33P, X)281Rg/283Rg, 234Th(48Sc, X)282Rg, 239Np(39K, X)278Cn, 243Pu(36Ar, X)279Cn, 250Cf(30Si, X)280Cn, 248Cm(33S, X)281Cn, 249Bk(33P, X)282Cn, 253Cf(30Si, X)283Cn, 242Pu(42Ar, X)284Cn, 238U(37Ca, X)285Cn, 254Cf(32Si, X)286Cn, 212Bi(67Zn, X)279Nh, 226Ac(54Cr, X)280Nh, 249Bk(33S, X)282Nh, 235U(48Sc, X)283Nh, 252Cf(32P, X)284Nh, 254Cf(31P, X)285Nh, 253Cf(33P, X)286Nh, 250Cm(37Cl, X)287Nh, 219,220Rn(58Ni, X)277Fl/278Fl, 217At(63Cu, X)280Fl, 226Ac(55Mn, X)281Fl, 246Cm(36Ar, X)282Fl, 240Pu(43Ca, X)283Fl, 246Bk(38Ar, X)284Mc, 236U(51V, X)287Mc, 249Pu(48Sc, X)288Mc, 242,244Pu(47Sc, X)289Mc/291Mc, 244Pu(46Sc, X)290Mc, 240,242,243Cm(40Ca, X)280Lv/282Lv/283Lv, 240Cm(41Ca, X)281Lv, 248,249,250,252,253Cf(36Ar, X)284Lv/285Lv/286Lv/288Lv/289Lv, 250Cf(37Ar, X)287Lv, 243Bk(46Ca, X)289Mc, 242Am(49Ti, X)291Mc, 252Bk(42Ca, X)294Mc, 248Bk(48Ca, X)296Mc, 239Pu(53Cr, X)292Og, 253Cf(40Ca, X)293Og, 250Cf(44Ca, X)294Og, 230Ac(65Cu, X)295Og, 244Pu(52Cr, X)296Og, 238U(59Fe, X)297Og, 250Bk(48Sc, X)298Og, 252Cf, 254Bk(47Ca, X)299Og/301Og, 198Pt(91Nb, X)289119, 207Bi(83Kr, X)290119, 241Am(50Cr, X)291119, 248Bk(44Ti, X)292119, 227Ac(66Zn, X)293119, 229Th(65Cu, X)294119, 236U(59Co, X)295119, 243Am(53Cr, X)296119, 238U(60Co, X)298119, 250Cm(50V, X)300119, (51V, X)301119, 209Po(78Kr, 2n)285120, 202Pb(86Sr, 2n)286120, 232U(59Ni, 4n)287120, 209Po(81Kr, 2n)288120, 232Po(58Ni, n)289120, 204Pb(87Sr, n)290120, 228Pu(64Fe, n)291120, 249Cf(44Ti, n)292120, (47Ti, n)295120, (50Ti, n)298120, 244Cm(50Cr, n)293120, 242Am(53Mn, n)294120, 210Bi(87Rb, n)296120, 247Bk(51V, n)297120, 246Cm(54Cr, n)299120, 229Th(72Zn, n)300120, 226Ra(76Ge, n)301120, 250Cm(53Cr, n)302120, 246Bk(53Cr, X)299121, 252Cf(48V, X)300121, 228Ra(73As, X)301121, 250Cm(52Mn, X)302121, 239Np(64Ni, X)303121, 233Pa(71Zn, X)304121, 253Cf(54Cr, n)306122, 230Ra(78Se, n)307122, 223At(86Rb, n)308122, 228Rn(83Kr, 2n)309122, 225Rn(85Kr, X)310122, 226Ac(86As, n)311122, 234Ra(80Se, 2n)312122, 230Rn(84Kr, n)313122, 232Th(71As, n)302123, 240Pu(67Zn, 4n)303123, 214Bi(92Zr, n)305123, 213Pb(94Nb, n)306123, 241Pu(67Cu, n)307123, 214Bi(96Zr, 2n)308123, 228Ra(85Kr, n)312124, 242,244Pu(72Zn, n)313124/315124, 228,230Rn(87Sr, n)314124/316124, 245,246,247Bk(58Ni, X)303125/304125/305125, 247Bk(60Ni, X)307125, 239Np(69Ge, n)308125, 243Am(66Zn, X)309125, 242Am(68Zn, X)310125, 246Cm(65Cu, X)311125, 249Bk(66Ni, X)315125, 232Th(82Kr, X)314126, (83Kr, X)315126, (84Kr, X)316126, (86Kr, X)318126, E not given; calculated fusion evaporation residue σ for suitable projectile-target combinations to synthesize Z=110-126 superheavy nuclei. 208Pb(40Ca, X), (48Ti, X), (52Cr, X), (56Fe, X), (59Ni, X), (65Zn, X), 209Bi(45Ca, X), (51Ti, X), (52Cr, X), (59Ni, X), (65Zn, X), E not given; calculated evaporation residue σ for the synthesis of Z=102-113 elements in cold fusion reactions, and compared with experimental data. 208Pb, 226Ra, 238U, 237Np, 244Pu, 243Am, 247Cm, 247Bk, 251Cf(48Ca, X), E not given; calculated evaporation residue σ for the synthesis of Z=112-118 elements in hot fusion reactions, and compared with experimental data. 232Th(82Kr, X)314126; calculated large evaporation residue cross sections as high as 31 nb. RADIOACTIVITY 283Cn, 279Ds, 275Hs, 271Sg, 267Rf, 263No, 259Fm, 255Cf, 247,251Bk, 243Am, 239Pu, 235Np(α); 251Cm, 247Am, 239Np, 235U(β-); 291Lv, 287Fl, 283Cn, 279Ds, 275Hs, 271Sg, 267Rf, 263No, 259Fm, 255Cf, 247,251Bk, 243Am, 239Pu, 235Np(α); 251Cm, 247Am, 239Np, 235U(β-); 296119, 292Ts, 288Mc, 284Nh, 280Rg, 276Mt, 272Bh, 268Db, 264Lr, 260Md, 256Es, 252Cf, 248Bk, 244Cm, 240Pu, 236Pu(α); 252Bk, 248Cm, 244Am, 236U(β-); 295Og, 291Lv, 287Fl, 283Cn, 279Ds, 275Hs, 271Sg, 267Rf, 263No, 259Fm, 255Cf, 247,251Bk, 243Am, 239Pu, 235Np(α); 251Cm, 247Am, 239Np, 235U(β-); 299120, 295Og, 291Lv, 287Fl, 283Cn, 279Ds, 275Hs, 271Sg, 267Rf, 263No, 259Fm, 255Cf, 247,251Bk, 243Am, 239Pu, 235Np(α); 251Cm, 247Am, 239Np, 235U(β-); predicted decay chains of 283Cn (Z=112), 291Lv (Z=116), 295Og (Z=118), 296119 (Z=119), and 299120 (Z=120).
doi: 10.1103/PhysRevC.102.064605
2020MA64 Phys.Atomic Nuclei 17, 909 (2020) H.C.Manjunatha, M.G.Srinivas, N.Sowmya, P.S.Damodara Gupta, A.Cecil Raj Proton Radioactivity of Heavy Nuclei of Atomic Number Range 72 < Z < 88 NUCLEAR STRUCTURE Z=72-88; calculated proton radioactivity of heavy nuclei, energy released during the proton decay and T1/2. Comparison with available data, checks of the Geiger-Nuttall law for proton decay.
doi: 10.1134/S1547477120070043
2020SO25 Int.J.Mod.Phys. E29, 2050087 (2020) N.Sowmya, H.C.Manjunatha, P.S.Damodara Gupta Competition between decay modes of superheavy nuclei 281-310Og RADIOACTIVITY 281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310Og(α), (12C), (14N), (16O), (22Ne), (24Mg), (28Si), (32S), (40Ar), (40Ca); calculated T1/2. Comparison with available data.
doi: 10.1142/S0218301320500871
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