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NSR database version of May 6, 2024.

Search: Author = P.S.Damodara Gupta

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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
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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
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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
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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
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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
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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 ^{261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280}Ds, ^{274,275,276,277,278,279,280,281,282,283}Cn, ^{280,281,282,283,284,285,286,287,288}Fl, ^{282,283,284,285,286,287,288,289,290,291,292,293,294,295}Lv, ^{286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303}Og, ^{288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306}120, ^{292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310}122, ^{292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312}124, ^{292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314}126(α), (SF); calculated T_1/2, Q-values. Comparison with available data.

doi: 10.1134/S1547477123030664
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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
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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
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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
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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 ^{222,223,224,226}Ra(¹⁴C), ²³¹Pa, ²³²U(²⁴Ne), ²³³U(²⁵Ne), ^{294,295,296,297,298,299,300}122(⁸⁶Kr), ^{301,302,303,304,305}122(⁹⁴Zr), ^{306,307,308,309,310,311,312,313,314}122(α); calculated T_1/2 using Coulomb and proximity potential model (CPPM) and modified generalized liquid drop model (MGLDM).

doi: 10.1134/S1547477122050260
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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
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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, ^{221,222,223,224}Ra, ²²⁵Ac(¹⁴C), ²²⁸Th(²⁰O), ²³⁰U(²²Ne), ²³⁰Th, ²³¹Pa, ^232,233U(²⁴Ne), ²³⁴U(²⁶Ne), ²³⁴U, ^236,238Pu(²⁸Mg), ²³⁸Pu(³²Si), ²⁴²Cm(³⁴Si), ^{257,258,259,260,261,262}Rf, ^{259,260,261,262}Db, ^261,262Sg, ^{263,264,265,266}Bh, ^{264,265,266,267,268,269,270,271,272}Hs, ^271,272,273Mt, ^{266,267,268,269,270,271,272,273,274,275,276,277,278,279}Ds, ^{271,272,273,274,275,276,277,278,279}Rg, ^{276,277,278,279,280,281}Cn, ^{291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307}119, ^{287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310}120, ^{290,291,292,293,294,295,296,297,298,299,300,301,302,303}121, ^{270,271,272,273,274,275,276,277,278,279,280,281,282,283}Nh, ^{271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287}Fl, ^{272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290}Mc, ^{275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292}Lv, ^{278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299}Ts, ^{281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303}Og, ^{284,285,286,287,288,289,290}119, ^{305,306,307,308,309,310,311,312,313,314,315,316,317}124, ^{303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323}125, ^{306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326,327,328,329}126(α), (β⁺), (SF); calculated T_1/2 using modified generalized liquid drop model (MGLDM); deduced magic numbers. Comparison with available data.

doi: 10.1142/S0218301322500045
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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
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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
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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, T_1/2 for one proton radioactivity of all possible Dysprosium isotopes. The effective liquid drop model (ELDM).

doi: 10.1142/S0218301322500434
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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 T_1/2, penetration factors using the semiclassical WKB method. Comparison with available data.

doi: 10.15407/ujpe67.9.631
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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
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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, ^{223,224,225,226}Ac, ^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, ^{255,256,257,258}Md, ^252,253No, ^255,257,259No, ^255,257,259Lr(α); calculated T_1/2. Comparison with experimental data.

doi: 10.1142/S0218301321500130
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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
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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, ^{221,222,223,224,226}Ra, ²²⁵Ac(¹⁴C), ²²⁸Th(²⁰O), ²³⁰U(²²Ne), ²³⁰Th, ²³¹Pa, ^232,233U(²⁴Ne), ²³⁴U(²⁶Ne), ²³⁴U, ^236,238Pu(²⁸Mg), ²³⁸Pu(³⁰Mg), ²³⁸Pu(³²Si), ²⁴²Cm(³⁴Si), ^{306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326}126(α), (β⁺), (SF); analyzed available data; calculated T_1/2.

doi: 10.1016/j.nuclphysa.2021.122306
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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 ^{269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290}Fl(α); calculated T_1/2 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
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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, ^{149,150,151,152}Gd, ¹⁴⁹Tb, ¹⁵⁰Dy, ¹⁵¹Tb, ^{151,152,153,154}Dy, ^{151,152,153,154}Ho, ^{152,153,154,155,156}Er, ^{153,154,155,156}Tm, ^{154,155,156,157,158}Yb, ^{155,156,157,158}Lu, ^{156,157,158,159,160}Hf, ¹⁶²Hf, ¹⁷⁴Hf, ^157,158,159Ta, ¹⁶³Ta, ¹⁵⁸W, ^{171,172,173,174,175,176,177,178,179,180,181,182,183,184}Pt, ^186,188,190Pt, ^170,171Au, ¹⁷³Au, ^175,176,177Au, ^{179,181,183,185}Au, ¹⁸⁶Au, ^{171,172,173,174}Hg, ^{176,177,178,179,180,181,182,183,184,185,186}Hg, ¹⁸⁸Hg, ¹⁷⁷Tl, ^179,180,181Tl, ¹⁸³Tl, ^186,187Tl, ^{209,210,211,212,213,214,215,216}Po, ^218,219Po, ^{191,192,193,194,195}At, ^{197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213}At, ²¹⁵At, ^{217,218,219,220}At, ^{193,194,195,196,197}Rn, ²⁰⁰Rn, ^{202,203,204,205,206,207,208,209,210,211}Rn, ²¹⁰Ac, ²¹⁴Ac, ²¹⁶Ac, ²²⁰Ac, ^{223,224,225,226}Ac, 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, ^{255,256,257,258,259,260,261,262}Db, ^259,260,261Sg, ²⁶⁵Sg, ²⁶⁹Sg, ²⁷¹Sg, ^260,261,262Bh, ²⁶⁴Bh, ^266,267Bh, ²⁷⁰Bh, ²⁷⁴Bh, ^{264,265,266,267,268,269}Hs(α); calculated T_1/2. Comparison with available data.

doi: 10.1142/S0218301321500944
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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, ^{230,231,232,233,234}Pa, ^{231,232,233,234,235,236,237,238,239}U, ^236,237,238Np, ^{237,238,239,240,241,242,243,244,245}Pu, ²⁴³Cm, ²⁴⁹Cm; analyzed available data; deduced a new semi-empirical formula for angular momentum-dependent fission barriers of actinides.

doi: 10.1142/S0218301321500786
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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 T_1/2.

doi: 10.1515/zna-2020-0023
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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. ^{266,270,272,274,276,278,280}Ds, ^{278,280,282,284,286}Cn, ^{272,274,276,278,280,282}Fl, ^{276,278,280,282,284,286,288,290,292,294}Lv, ^{292,294,296,298,300}Og, ^{286,288,290,292,294,296,298,300,302,304}120, ^{308,310,312,314}122, ^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, ^{248,249,250,252,253}Cf(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
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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 T_1/2. Comparison with available data, checks of the Geiger-Nuttall law for proton decay.

doi: 10.1134/S1547477120070043
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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 ^{281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310}Og(α), (¹²C), (¹⁴N), (¹⁶O), (²²Ne), (²⁴Mg), (²⁸Si), (³²S), (⁴⁰Ar), (⁴⁰Ca); calculated T_1/2. Comparison with available data.

doi: 10.1142/S0218301320500871
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