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NSR database version of May 10, 2024.

Search: Author = N.S.Rajeswari

Found 11 matches.

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2023ME02      Pramana 97, 32 (2023)

P.Mehana, N.S.Rajeswari

Spin-orbit splitting of protons and neutrons

NUCLEAR STRUCTURE ¹³B, ^{13,14,15,16,17}O, ^{21,22,23,24,25}O, ¹⁵N, ¹⁴C, ¹⁷F, ²³P, ²⁴S, ²⁵Cl, ²⁷Al, ^29,30Si, ^29,30,31,32S, ³³Al, ^33,34Si, ³⁴Ca, ³⁵P, ³⁵S, ³⁶Ca, ³⁶S, Kr, ³⁷Cl, ³⁹K, ^39,40Ca, ⁴¹Sc, ^48,49Ca, ^53,54Ca, ⁵⁹Ga, ⁶⁰Ca, ⁶⁰Ge, ⁷⁹Y, ⁸⁰Zr, ⁸⁷Rb, ^99,100,101Sn, ⁹⁹In, ¹⁰¹Sb, ¹⁰⁹Sn, ^114,115Sn, ^127,128Sn, ¹³¹In, ^131,132Sn, ¹³³Sb, ^139,140,141Sn, ^144,145Sn, ¹⁴⁶Gd, ¹⁴⁷Sn, ¹⁴⁷Tb, ¹⁴⁸Dy, ¹⁵¹Tm, ¹⁵¹Yb, ^161,162Sn, ^181,182,183Pb, ^199,200Pb, ²⁰¹Re, ²⁰²Os, ²⁰³Ir, ^{205,206,207,208,209}Pb, ²⁰⁷Tl, ^{218,219,220,221}Pb, ^230,231Pb, ²⁴⁷Pb, ^251,252,253Pb, ²⁵¹Es, ²⁵²Fm, ²⁵³Md, ^261,262Pb, ^265,266Pb, ²⁶⁷Bi, ^{276,277,278,279}Fl, ^285,286Fl, ^293,294Fl, ^297,298Fl, ³⁰³Og, ³⁰⁴119, ³⁰⁷123, ³⁰⁸124, ³⁰⁹125, ³¹⁰126, ³¹¹127; calculated binding energies using volume and surface energy coefficients as fitting parameters. Comparison with available data.

doi: 10.1007/s12043-022-02488-8
Citations: PlumX Metrics

2023ME08      Eur.Phys.J. A 59, 104 (2023)

P.Mehana, N.S.Rajeswari

Two-proton and one-proton emission of two-proton emitters

RADIOACTIVITY ⁶Be, ¹²O, ¹⁶Ne, ¹⁹Mg, ⁴⁵Fe, ⁴⁸Ni, ⁵⁴Zn, ⁶⁷Kr(2p), ¹²O, ¹⁶Ne, ⁴⁸Ni, ⁵⁴Zn, ⁶⁷Kr(p), ¹¹O, ^13,14F, ¹⁵Ne, ²²Si, ²⁴P, ²⁶S, ^28,29Cl, ^29,30Ar, ^31,32K, ^33,34Ca, ^35,36,37Sc, ^37,38Ti, ^39,40V, ^41,42Cr, ⁴³Mn, ⁴⁷Co, ⁵²Cu, ⁵⁵Zn, ^56,57,58Ga, ^58,59Ge, ^60,61,62As, ^63,64Se, ^65,66Br, ⁶⁸Kr, ⁸¹Mo, ⁸⁵Ru, ¹⁰⁸Xe(p), (2p);calculated T_1/2 and branching ratio between 2p emission and 1p emission. Comparison with available data.

doi: 10.1140/epja/s10050-023-01004-9
Citations: PlumX Metrics

2023VA02      Pramana 97, 41 (2023)

L.Vasanthi, N.S.Rajeswari

Nuclear surface diffuseness in cluster decay

RADIOACTIVITY ²²¹Fr, ^{221,222,223,224}Ra, ²²⁵Ac, ²²⁶Ra(¹⁴C), ²³⁰Th, ²³¹Pa, ^232,233U(²⁴Ne), ²³⁴U(²⁴Ne), (²⁸Mg), ²³⁵U(²⁵Ne), ²³⁶Pu(²⁸Mg), ²³⁶U(³⁰Mg), ²³⁸Pu(²⁸Mg), (³²Si), ²⁴⁰Pu, ²⁴²Cm(³⁴Si), ²⁵²Fm, ²⁵³Es(⁴⁶Ar), (³⁸Ca), ²⁷³Hs(⁸Be), ²⁷⁵Hs(⁸Be), (¹⁴C), ²⁷⁷Hs(¹⁴C), ²⁷⁹Ds, ²⁸¹Ds(⁸Be), (¹⁴C), ²⁸¹Cn(⁸Be), (¹⁴C), (¹⁶O), ²⁸²Ds(¹⁴C), ²⁸²Cn, ²⁸³Cn, ²⁸⁴Cn(⁸Be), (¹⁴C), ²⁸⁴Fl(⁸Be), (¹⁴C), (¹⁶O), (³²Si), (⁴⁸Ca), ²⁸⁵Cn(⁸Be), (¹⁴C), ²⁸⁶Fl, ²⁸⁷Fl(⁸Be), (¹⁴C), ²⁸⁷Nh, ²⁸⁸Fl, ²⁸⁹Fl, ²⁹⁰Fl(⁸Be), (¹⁴C), ²⁹¹Lv, ²⁹²Lv, ²⁹³Lv(⁸Be), (¹⁴C), (⁴⁸Ca); calculated T_1/2, preformation probability. Comparison with available data.

doi: 10.1007/s12043-022-02510-z
Citations: PlumX Metrics

2022RA15      Int.J.Mod.Phys. E31, 2250040 (2022)

N.S.Rajeswari, L.Vasanthi

Preference of heavy fragments as competing modes for alpha decay of ²⁹⁴Og

RADIOACTIVITY ²⁹⁴Og(¹⁵⁸Gd), (¹³⁶Xe), (²⁰⁸Pb), (³⁶Kr); calculated preformation probability values of complete binary decay, T_1/2. Comparison with available data.

doi: 10.1142/S0218301322500409
Citations: PlumX Metrics

2021VA09      Int.J.Mod.Phys. E30, 2150071 (2021)

L.Vasanthi, N.S.Rajeswari

Alpha decay half-lives of superheavy nuclei 104 ≤ Z ≤ 125

RADIOACTIVITY ^{178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210}Pb, ^{188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218}Po, ^{198,200,202,204,206,208,210,212,214,216,218,220,222}Rn, ^{202,204,206,208,210,212,214,216,218,220,222,224,226}Ra, ^{210,212,214,216,218,220,222,224,226,228,230,232}Th, ^{218,220,222,224,226,228,230,232,234,236,238}U, ^{228,230,232,234,236,238,240,242,244}Pu, ^{240,242,244,246,248,250}Cm, ^{240,242,244,246,248,250,252,254}Cf, ^{246,248,250,252,254,256}Fm, ^{250,252,254,256}No, ^256,258Rf, ²⁶³Rf, ^{256,257,258,259}Db, ²⁶³Db, ^{259,260,261,262}Sg, ^269,271Sg, ^260,261Bh, ^264,266Bh, ²⁶⁷Bh, ^270,272,274Bh, ^{264,265,266,267}Hs, ²⁷⁰Hs, ²⁷³Hs, ²⁶⁸Mt, ^274,275,276Mt, ²⁷⁸Mt, ²⁶⁷Ds, ^269,270,271Ds, ²⁷³Ds, ²⁷⁷Ds, ²⁸¹Ds, ^272,274Rg, ^278,279,280Rg, ²⁸¹Cn, ²⁸⁵Cn, ²⁷⁸Nh, ^{282,283,284,285,286}Nh, ^{286,287,288,289}Fl, ^{287,288,289,290}Mc, ^{290,291,292,293}Lv, ^293,294Ts, ²⁹⁴Og, ^{278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308}Og, ^{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}119, ^{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}120, ^{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}121, ^{295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310}122, ^{300,301,302,303,304,305,306,307,308,309,310,311}123, ^{301,302,303,304,305,306,307,308,309,310,311,312}124, ^{310,311,312,313,314,315,316,317,318,319,320}125(α); calculated T_1/2, preformation probabilities. Comparison with available data.

doi: 10.1142/S0218301321500713
Citations: PlumX Metrics

2018RA23      Eur.Phys.J. A 54, 156 (2018)

N.S.Rajeswari, C.Nivetha, M.Balasubramaniam

Nuclear surface energy coefficients in cluster decay

RADIOACTIVITY A=252-294(Ar), (Ca), (Ti), (Cr), (Fe), (Co), (Ni), (Zn), (Ga), (Ge), (Se); deduced fitted expression for clusters preformation, T_1/2; calculated T_1/2 for isotopes of listed nuclei and for the considered clusters and for α-decay. Compared with other calculations and experimental data.

doi: 10.1140/epja/i2018-12576-4
Citations: PlumX Metrics

2014BA09      Int.J.Mod.Phys. E23, 1450018 (2014)

M.Balasubramaniam, N.S.Rajeswari

An empirical relation for cluster decay preformation probability

RADIOACTIVITY ²²¹Fr, ^{221,222,223,224,226}Ra, ²²⁵Ac(¹⁴C), ²²⁸Th(²⁰O), ²³⁰Th, ²³²U(²⁴Ne), ²³⁰U(²²Ne), ²³⁴U, ²³⁶Pu(²⁸Mg), ²³⁸Pu(³²Si), ²⁴²Cm(³⁴Si); calculated T_1/2. Comparison with experimental data.

doi: 10.1142/S0218301314500189
Citations: PlumX Metrics

2014RA15      Eur.Phys.J. A 50, 105 (2014)

N.S.Rajeswari, M.Balasubramaniam

Exotic decay modes of odd-Z (105-119) superheavy nuclei

RADIOACTIVITY ¹⁰⁵Sb, ¹⁰⁹I, ^112,113Cs, ¹¹⁷La, ¹²¹Pr, ^130,131Eu, ¹³⁵Tb, ^140,141Ho, ^145,146,147Tm, ^150,151,155Lu, ^156,157Ta, ^159,160,161Re, ^{164,165,166,167}Ir, ^170,171Au, ^176,177Tl, ¹⁸⁵Bi(p);Z=105-119(p), (α), (¹²C), (¹³C), (²⁰Ne), (²²Ne), (²⁴Ne), (²⁴Mg), (²⁶Mg), (²⁸Mg), (²⁸Si), (³⁰Si), (³²Si), (³⁴Si), (³⁶Ar), (³⁸Ar), (⁴⁰Ar), (⁴²Ar), (⁴⁴Ar), (⁴⁰Ca), (⁴²Ca), (⁴⁴Ca), (⁴⁶Ca), (⁴⁸Ca); calculated T_1/2 using unified fission model with penetrability from WKB approximation and including deformation. Compared with available data.

doi: 10.1140/epja/i2014-14105-y
Citations: PlumX Metrics

2013RA05      J.Phys.(London) G40, 035104 (2013)

N.S.Rajeswari, M.Balasubramaniam

Nuclear surface energy coefficients in α-decay

RADIOACTIVITY ^{178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210}Pb, ^{188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218}Po, ^{198,200,202,204,206,208,210,212,214,216,218,220,222}Rn, ^{202,204,206,208,210,212,214,216,218,220,222,224,226}Ra, ^{210,212,214,216,218,220,222,224,226,228,230,232}Th, ^{220,222,224,226,228,230,232,234,236,238}U, ^{228,230,232,234,236,238,240,242,244}Pu, ^{240,242,244,246,248,250}Cm, ^{240,242,244,246,248,250,252,254}Cf, ^{246,248,250,252,254,256}Fm, ^{250,252,254,256}No(α); calculated T_1/2. Modified unified fission model approach, comparison with experimental data.

doi: 10.1088/0954-3899/40/3/035104
Citations: PlumX Metrics

2012KA23      Phys.Rev. C 86, 014613 (2012)

C.Karthikraj, N.S.Rajeswari, M.Balasubramaniam

Temperature-dependent binding energies in a dynamical cluster-decay model applied to the decay of hot and rotating ⁵⁶Ni^*

NUCLEAR REACTIONS ²⁴Mg(³²S, X)¹H/⁴He/⁸Be/¹²C/¹⁶O/²⁰Ne/²⁴Mg/²⁸Si, E(cm)=51.6, 60.5 MeV; A=12-28; calculated fragmentation potential, preformation probability and penetration probability as a function of angular momentum, σ for light and intermediate mass fragments, average total kinetic energy (TKE) for A=12-28 fragments using dynamical cluster-decay (DCM) model and calculated binding energies. Comparison with experimental data.

NUCLEAR STRUCTURE A=4-12, Z=1-8; A=56, Z=20-31; A=82, Z=30-41; A=116, Z=43-56; calculated ground-state binding energies as a function of temperature using Krappe's and Guet et al. formulae. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.014613
Citations: PlumX Metrics

2011RA36      Eur.Phys.J. A 47, 126 (2011)

N.S.Rajeswari, K.R.Vijayaraghavan, M.Balasubramaniam

Cluster pre-existence probability

NUCLEAR STRUCTURE ⁵⁶Ni, ¹¹⁶Ba, ²²⁶Ra, ²⁵⁶Fm; calculated cluster pre-existence probability using overlapping part of the interaction potential within WKB. Comparison with Gupta calculations.

doi: 10.1140/epja/i2011-11126-0
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