NSR Query Results
Output year order : Descending NSR database version of May 2, 2024. Search: Author = K.Sridhar Found 33 matches. 2024RE02 Phys.Rev. C 109, 024610 (2024) L.Reddi Rani, N.Sowmya, H.C.Manjunatha, K.N.Sridhar, M.M.Armstrong Arasu Optimal incident energy of heavy ion fusion
doi: 10.1103/PhysRevC.109.024610
2023GU22 Int.J.Mod.Phys. E32, 2350069 (2023) P.S.D.Gupta, N.Sowmya, H.C.Manjunatha, H.S.Anushree, L.Seenappa, K.N.Sridhar A study of decay chains of radioactive actinium isotopes RADIOACTIVITY 205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227Ac(α), (β-); calculated T1/2 using unified fission model (UFM) and the effective liquid drop model. Comparison with available data.
doi: 10.1142/S0218301323500696
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
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
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
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
2022NA34 Int.J.Mod.Phys. E31, 2250081 (2022) A.M.Nagaraja, R.Munirathnam, H.C.Manjunatha, N.Sowmya, K.N.Sridhar, L.Seenappa, S.A.C.Raj Predictive power of theoretical models in cluster radioactivity NUCLEAR STRUCTURE A=221-242, Z=87-96; calculated cluster decays using using modified generalized liquid drop model (MGLDM), Coulomb and proximity potential model (CPPM) and generalized liquid drop model (GLDM).
doi: 10.1142/S0218301322500811
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
2021MA01 Can.J.Phys. 99, 16 (2021) H.C.Manjunatha, L.Seenappa, N.Sowmya, K.N.Sridhar Investigations on 54-60Fe + 238-244Pu → 296-302120 fusion reactions NUCLEAR REACTIONS 238,239,240,241,242,243,244Pu(54Fe, xn), (55Fe, xn), (56Fe, xn), (57Fe, xn), (58Fe, xn), (59Fe, xn), (60Fe, xn)296120/297120/298120/299120/300120/301120/302120, E(cm)<400 MeV; calculated formation probability, survival probability, and evaporation residue σ. Comparison with available data.
doi: 10.1139/cjp-2019-0580
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
2021MA28 Can.J.Phys. 99, 353 (2021) H.C.Manjunatha, L.Seenappa, K.N.Sridhar Pocket formula for incoherent scattering cross section NUCLEAR REACTIONS H, Li, C, N, O, 19F, 23Na, Mg, 27Al, 31P, S, Cl, K, Cr, Mg, Ni, Cu, Br, Rb, Sr, Zr(γ, γ'), E=661.6, 1115.5 keV; calculated σ. Comparison with available data.
doi: 10.1139/cjp-2020-0286
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
2020SR01 Nucl.Phys. A995, 121689 (2020) M.G.Srinivas, H.C.Manjunatha, K.N.Sridhar, N.Sowmya, A.Cecil Raj Proton decay of actinide nuclei
doi: 10.1016/j.nuclphysa.2019.121689
2019MA01 Nucl.Phys. A981, 17 (2019) H.C.Manjunatha, K.N.Sridhar, H.B.Ramalingam Synthesis of superheavy elements using 50, 51V-induced fusion reactions NUCLEAR STRUCTURE 168Ta; calculated proton, neutron sp levels near Fermi surface, energy, J, π, occupation probability of orbitals, kinematic high spin rotational bands, band crossings, moment of inertia, major shells using PNC-CSM (Particle Number Conserving) method - Cranking Shell Model. High-spin rotational bands compared to data.
doi: 10.1016/j.nuclphysa.2018.10.084
2019MA39 Nucl.Phys. A987, 382 (2019) H.C.Manjunatha, K.N.Sridhar, N.Sowmya Investigations on 64Ni + ZAnA → Z=104-123(SHN)A=250-310 NUCLEAR REACTIONS 192Os, 193Ir, 194,195,196Pt, 197,198Au, 202Hg, 204,205Tl, 207,208Pb, 209Bi, 209Po, 223,226Ra, 225,227Ac, 230,232Th, 231Pa, 232,238U, 235,237Np, 239Pu, 241,243Am(64Ni, x), E*=35 MeV;(64Ni, xn), E*=20-45 MeV; calculated compound nucleus formation probability and yields of superheavies for Ni projectiles, evaporation residue elements σER for x=3, 4 and 5; identified suitable targets for synthesis of superheavy elements using 64Ni fusion reactions.
doi: 10.1016/j.nuclphysa.2019.05.006
2019MA86 Phys.Part. and Nucl.Lett. 16, 647 (2019) A Detail Investigation on the Synthesis of Superheavy Element Z = 119
doi: 10.1134/s1547477119060487
2019SR01 Nucl.Phys. A983, 195 (2019) K.N.Sridhar, H.C.Manjunatha, H.B.Ramalingam Studies on the synthesis superheavy element Z = 120 RADIOACTIVITY 290,291,292,293,294,295,296,297,298,299,300,301,302,303,304120 (SF), (α); calculated T1/2 of both α-decay and spontaneous fission using Coulomb potential plus proximity potential; calculated decay chains and maximum evaporation residue σ for different projectile-target combinations, proper E* and different neutron evaporation channels to achieve maximal σ; deduced superheavy σ, most probable projectile-target combination to synthetize superheavy Z=120 is Ti+Cf. Halflives and σ compared to available data.
doi: 10.1016/j.nuclphysa.2018.11.032
2019SR04 Pramana 93, 81 (2019) G.R.Sridhara, H.C.Manjunatha, K.N.Sridhar, H.B.Ramalingam Systematic study of the α decay properties of actinides RADIOACTIVITY 211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238Ac, 214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236Th, 217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240Pa, 219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245U, 221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245Np, 228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245Pu, 228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250Am, 233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251Cm, 255Cm, 234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252Bk, 238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255Cf, 241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258Es, 243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258Fm, 246,247,248,249,250,251,252,253,254,255,256,257,258,259Md, 246,247,248,249,250,251,252,253,254,255,256,257,258,259,260No, 251,252,253,254,255,256,257,258,259,260,261,262Lr(α); calculated T1/2. Comparison with available data. RADIOACTIVITY 210Ac, 200,201,202,203,204,205,206,207,208,209,210,211,212,213Th, 200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216Pa, 210,211,212,213,214,215,216,217,218U, 215,216,217,218,219,220Np, 220,221,222,223,224,225,226,227Pu, 226,227Am, 252,253,254Cm, 230,231,232,233Bk, 253,254,255Bk, 230,231,232,233,234,235,236,237Cf, 235,236,237,238,239,240Es, 259,260Es, 235,236,237,238,239,240,241,242Fm, 259,260Fm, 240,241,242,243,244,245Md, 260Md, 245No, 261,262,263,264,265No, 245,246,247,248,249,250Lr, 263,264,265Lr(SF); calculated T1/2. Comparison with available data.
doi: 10.1007/s12043-019-1845-9
2018MA19 Nucl.Phys. A971, 83 (2018) Fusion barrier characteristics of actinides NUCLEAR STRUCTURE Z=89-103; calculated fusion barrier parameters (position, height, width) by using data of more than 7000 different combinations of projectile and target leading to the same composite system; deduced parameters, fusion σ formula. Compared with other parameterizations and with data.
doi: 10.1016/j.nuclphysa.2018.01.016
2018MA31 Nucl.Phys. A975, 136 (2018) Investigation to synthesis more isotopes of superheavy nuclei Z=118 RADIOACTIVITY 291,293,295,297,299,301Og(α); calculated T1/2, α-decay chains (ending with Og(SF) nuclei). NUCLEAR REACTIONS Cf(Ca, x), Cm(Ti, x), Bk(Sc, x), Am(V, x), Pu(Cr, x), U(Fe, x), Np(Mn, x), Th(Ni, x), Pb(Kr, x); calculated simple relations for maximum evapopration residue σ and the corresponding energy, reaction Q-values, nucleon separation energy, fusion barriers, evaporation residue σ vs projectile mass number, maximum evaporation σ, compound nucleus formation probability, survival probability, α-decay chains (ending with Og(SF) nuclei); deduced parameters.
doi: 10.1016/j.nuclphysa.2018.04.009
2018MA50 Phys.Rev. C 98, 024308 (2018) H.C.Manjunatha, K.N.Sridhar, N.Sowmya Investigations of the synthesis of the superheavy element Z=122 NUCLEAR REACTIONS 250Cm(57Fe, X)307122*, E(cm)=288 MeV; 247Cm(60Fe, X)307122*, E(cm)=287 MeV; 244Pu(63Ni, X)307122*, E(cm)=302 MeV; 235U(72Zn, X)307122*, E(cm)=314 MeV; 228Ra(79Se, X)307122*, E(cm)=339 MeV; 250Cm(58Fe, X)308122*, E(cm)=284 MeV; 248Cm(60Fe, X)308122*, E(cm)=283 MeV; 244Pu(64Ni, X)308122*, E(cm)=297 MeV; 238U(70Zn, X)308122*, E(cm)=310 MeV; 236U(72Zn, X)308122*, E(cm)=310 MeV; 232Th(76Ge, X)308122*, E(cm)=322 MeV; 228Ra(80Se, X)308122*, E(cm)=334 MeV; 226Ra(82Se, X)308122*, E(cm)=334 MeV; 256Cf(53Cr, X)309122*, E(cm)=266 MeV; 255Cf(54Cr, X)309122*, E(cm)=266 MeV; 252Cm(57Fe, X)309122*, E(cm)=281 MeV; 251Cm(58Fe, X)309122*, E(cm)=281 MeV; 250Cm(59Fe, X)309122*, E(cm)=281 MeV; 249Cm(60Fe, X)309122*, E(cm)=280 MeV; 243Pu(66Ni, X)309122*, E(cm)=294 MeV; 239U(70Zn, X)309122*, E(cm)=308 MeV; 237U(72Fe, X)309122*, E(cm)=307 MeV; 233Th(76Ge, X)309122*, E(cm)=320 MeV; 230Ra(79Se, X)309122*, E(cm)=332 MeV; 227Ra(82Se, X)309122*, E(cm)=331 MeV; 256Cf(54Cr, X)310122*, E(cm)=263 MeV; 252Cm(58Fe, X)310122*, E(cm)=278 MeV; 251Cm(59Fe, X)310122*, E(cm)=278 MeV; 250Cm(60Fe, X)310122*, E(cm)=278 MeV; 244Pu(66Ni, X)310122*, E(cm)=291 MeV; 238U(72Zn, X)310122*, E(cm)=304 MeV; 234Th(76Ge, X)310122*, E(cm)=317 MeV; 235Ac(75As, X)310122*, E(cm)=324 MeV; 230Ra(80Se, X)310122*, E(cm)=329 MeV; 228Ra(82Se, X)310122*, E(cm)=328 MeV; (60Fe, X)311122*, E(cm)=277 MeV; 239U(72Zn, X)311122*, E(cm)=303 MeV; 236Ac(75As, X)311122*, E(cm)=323 MeV; 235Ac(76As, X)311122*, E(cm)=323 MeV; 234Ac(77As, X)311122*, E(cm)=322 MeV; 234Ra(77Se, X)311122*, E(cm)=329 MeV; 233Ra(78Se, X)311122*, E(cm)=328 MeV; 232Ra(79Se, X)311122*, E(cm)=328 MeV; 231Ra(80Se, X)311122*, E(cm)=328 MeV; 229Ra(82Se, X)311122*, E(cm)=327 MeV; 252Cm(60Fe, X)312122*, E(cm)=277 MeV; 236Ac(76As, X)312122*, E(cm)=322 MeV; 235Ac(77As, X)312122*, E(cm)=322 MeV; 234Ra(78Se, X)312122*, E(cm)=328 MeV; 233Ra(79Se, X)312122*, E(cm)=328 MeV; 232Ra(80Se, X)312122*, E(cm)=328 MeV; 230Ra(82Se, X)312122*, E(cm)=327 MeV; 236Ac(77As, X)313122*, E(cm)=322 MeV; 234Ra(79Se, X)313122*, E(cm)=328 MeV; 233Ra(80Se, X)313122*, E(cm)=327 MeV; 231Ra(82Se, X)313122*, E(cm)=327 MeV; 234Ra(80Se, X)314122*, E(cm)=327 MeV; 232Ra(82Se, X)314122*, E(cm)=326 MeV; calculated evaporation residue σ, compound nucleus formation probability, and survival probability. Dinuclear system (DNS) model. Discussed most probable projectile-target combinations to synthesize the superheavy element Z=122. RADIOACTIVITY 307,308,309,310,311,312,313,314122(α), (12C), (14C), (14N), (20Ne), (22Ne), (24Ne), (28Si), (30Si), (32Si), (34Si), (36Ar), (38Ar), (40Ar), (42Ar), (44Ar), (40Ca), (42Ca), (44Ca), (46Ca), (48Ca), (SF); calculated half-lives, Q values, penetrability, branching ratios relative to α decay. Dinuclear system (DNS) model.
doi: 10.1103/PhysRevC.98.024308
2018SR05 Phys.Rev. C 98, 064605 (2018) K.N.Sridhar, H.C.Manjunatha, H.B.Ramalingam Search for possible fusion reactions to synthesize the superheavy element Z=121 RADIOACTIVITY 299,300,301,302,303,304,305121, 295,296,297,298,299,300119, 291,292,293,294,295,296Ts, 287,288,289Mc(α), (SF); calculated half-lives for different decay modes using Wong model for SF decay. Comparison with several other theoretical calculations. NUCLEAR STRUCTURE 280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326,327,328,329,330121; calculated S(n), S(p), S(2n), S(2p), Q(β). NUCLEAR REACTIONS 249,250,251Cf(50V, 2n), 250,252Cf(51V, 2n), 244Pu(60Co, 2n)302121, 250Cm(55Mn, 2n)303121, E*=20-50 MeV; calculated evaporation σ(E). 299,300,301,302,303,304,305121; calculated compound nucleus probability, and survival probability at 35 MeV excitation energy and 2n channel reaction as a function of projectile mass number. 249,250,251,252,253,254Cf(48V, xn), (49V, xn), (50V, xn), (51V, xn), E*=20, 25, 30, 35 MeV; 247,248,249Bk(50Cr, xn), (51Cr, xn), (52Cr, xn), (53Cr, xn), (54Cr, xn), E*=20, 25, 30, 35 MeV; 244,245,246,247,248,250Cm(52Mn, xn), (53Mn, xn), (54Mn, xn), (55Mn, xn), E*=20, 25, 30, 35 MeV; 241,242,243Am(56Fe, xn), (57Fe, xn), (58Fe, xn), (60Fe, xn), E*=20, 25, 30, 35 MeV; 239,240,241,242,244Pu(59Co, xn), (60Co, xn), E*=15-35 MeV, x=1-6. calculated evaporation residue σ(E) for the production of 300,301,302,303,304,305121 nuclei, fusion barrier heights.
doi: 10.1103/PhysRevC.98.064605
2017MA20 Nucl.Phys. A962, 7 (2017) Projectile target combination to synthesis superheavy nuclei Z=126 NUCLEAR STRUCTURE 307,318,319,320126; calculated different combinations of colliding ions with varied energy capable to reach isotopes of Z=126 element, their fusion, fission, survival σ, compound nucleus formation and survival probability, α-decay chains (finishing at spontaneously fissioning isotopes of Hs, Lv and Og); deduced, identified most probable combination of nuclei and energy.
doi: 10.1016/j.nuclphysa.2017.03.007
2017MA25 Eur.Phys.J. A 53, 97 (2017) Survival and compound nucleus probability of super heavy element Z = 117 NUCLEAR STRUCTURE 289,290,291,292,293,294,295,296,297Ts; calculated possible projectile-target combinations for Ts synthesis, where the driving potential has its minimum, fusion σ, survival σ, fission σ. NUCLEAR REACTIONS 238U, 242,243Pu, 243Am, 245,248Cm, 249Bk, 294Cf(48Ca, xn), E*=31-53 MeV; calculated evaporation residue σ leading to Z=112-117. 203Tl(86Kr, xn), 213Bi(80Se, xn), 222At(74Ge, xn), 223Fr(70Zn, xn), 232Ra(65Cu, xn), 232Ac(64Ni, xn), 249Bk(80Se, xn), 259,260Md(36S, xn), E(cm)=180-360 MeV; calculated evaporation residue σ leading on Ts isotopes; deduced suitable ways to synthetize Ts element.
doi: 10.1140/epja/i2017-12279-4
2017MA42 Eur.Phys.J. A 53, 156 (2017) New semi-empirical formula for α-decay half-lives of the heavy and superheavy nuclei RADIOACTIVITY Z=95-135(α); calculated T1/2 of isotopes of given nuclei (separately for even and odd Z) vs A/√; deduced parameters for newly suggested formula using fit to data of more than 2600 isotopes.
doi: 10.1140/epja/i2017-12337-y
2017MA78 Eur.Phys.J. A 53, 196 (2017) A probability of synthesis of the superheavy element Z=124 NUCLEAR STRUCTURE 313,314,315,316,317,318124; calculated total fusion σ, survival probability, evaporation residue σ vs E(cm) for combinations of different isotopes Cm+Ni, Bk+Co, Cf+Fe, Pu+Zn, Ac+Br, Th+Se, U+Ge, Ra+Kr, Ac+Br, Th+Se, U+Ge, Pu+Zn, Rn+Sr, At+Y giving the composite system at excitation energy E*=0-95 MeV; deduced projectile-target combinations with maximal fusion σ, combinations with maximum survival σ and minimal fission σ.
doi: 10.1140/epja/i2017-12380-8
1999MA32 Phys.Rev. D60, 014009 (1999) J/ψ + γ Production at the CERN LHC
doi: 10.1103/PhysRevD.60.014009
1998MA68 Phys.Lett. 438B, 336 (1998); Erratum Phys.Lett. 450B, 479 (1999) P.Mathews, P.Poulose, K.Sridhar ηc Production at the Tevatron: A test of NRQCD NUCLEAR REACTIONS 1H(p-bar, X), E(cm)=1.8 TeV; calculated η(c) production σ(pT). Testable NRQCD prediction.
doi: 10.1016/S0370-2693(98)00990-3
1998SR03 Phys.Lett. 438B, 211 (1998) K.Sridhar, A.D.Martin, W.J.Stirling J/ψ Production at the Tevatron and HERA: The effect of kT Smearing NUCLEAR REACTIONS 1H(p-bar, X), E(cm)=1.8 TeV; 1H(γ, X), E(cm)=100 GeV; analyzed J/ψ production data; deduced k(T) smearing effects, role in NRQCD tests.
doi: 10.1016/S0370-2693(98)00956-3
1994LE32 Nucl.Phys. B419, 3 (1994) γ(*), Z(*) Production in Polarized pp Scattering as a Probe of the Proton Spin Structure NUCLEAR REACTIONS 1H(p, X), E=Collider energies; calculated Drell-Yan process σ.
doi: 10.1016/0550-3213(94)90354-9
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