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NSR database version of April 27, 2024.

Search: Author = S.K.Jain

Found 13 matches.

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2023JA02      Nucl.Phys. A1031, 122597 (2023)

A.Jain, P.K.Sharma, S.K.Jain, J.K.Deegwal, G.Saxena

Cluster radioactivity in trans-lead region: A systematic study with modified empirical formulas

RADIOACTIVITY ²²¹Fr, ^221,222,223Ra, ²²³Ac(¹⁴C), ²²³Ac(¹⁵N), ²²⁴Ra, ²²⁵Ac, ²²⁶Ra, ²²⁶Th(¹⁴C), ²²⁸Th(²⁰O), ²³⁰Th(²⁴Ne), ²³⁰U(²²Ne), ²³¹Pa(²⁴Ne), ²³²Th(²⁴Ne), (²⁶Ne), ²³²U(²⁴Ne), (²⁸Mg), ²³³U(²⁴Ne), (²⁵Ne), (²⁸Mg), ²³⁴U(²⁴Ne), (²⁶Ne), (²⁸Mg), ²³⁵U(²⁴Ne), (²⁵Ne), (²⁸Mg), (²⁹Mg), ²³⁶U(²⁴Ne), (²⁶Ne), (²⁸Mg), (³⁰Mg), ²³⁶Pu(²⁸Mg), ²³⁷Np(³⁰Mg), ²³⁸Pu(²⁸Mg), (³⁰Mg), (³²Si), ²⁴⁰Pu, ²⁴¹Am, ²⁴²Cm(³⁴Si), ²¹⁶Rn(⁸Be), ²²²Fr(¹⁴B), ²²¹Ra(¹³C), ²²³Ra(¹⁵C), ²²²Ac(¹⁴N), (¹⁵N), (¹⁶N), (¹⁷N), ²²⁴Th(¹⁶O), ²²⁵Th(¹⁷O), ²²⁶Th(¹⁸O), ²²⁷Th(¹⁹O), ²²⁸Th(²⁰O), ²²⁹Th(²¹O), ²³⁰Th(²²O), ²³¹Th(²³O), ²²⁸Pa(²⁰F), ²²⁹Pa(²¹F), ²³¹Pa(²³F), ²³¹U(²³Ne), (²⁵Ne); calculated T_1/2. Comparison with available data.

doi: 10.1016/j.nuclphysa.2022.122597
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2022SH29      Phys.Scr. 97, 045307 (2022)

R.Sharma, A.Jain, P.K.Sharma, S.K.Jain, G.Saxena

A comprehensive study of decay modes associated with Pb isotopes

RADIOACTIVITY ^{176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,205}Pb(β⁺), (EC), ^{209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266}Pb(β^-), ^{178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193}Pb(α); calculated T_1/2. Comparison with available data.

doi: 10.1088/1402-4896/ac607c
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2021JA09      Hyperfine Interactions 242, 60 (2021)

A.Jain, R.Sharma, S.K.Jain, P.K.Sharma, G.Saxena

Cluster radioactivity in ^{294, 296}Og

RADIOACTIVITY ^294,296Og(α), (⁸Be), (¹²C), (¹⁴C), (¹⁶O), (¹⁸O), (²⁰O), (²²Ne), (²⁴Ne), (²⁶Mg), (²⁸Mg), (³⁰Si), (³²Si), (³⁴Si), (³⁶S), (³⁸S), (⁴⁰Ar), (⁴²Ar), (⁴⁴Ar), (⁴⁶Ca), (⁴⁸Ca), (⁵⁰Ca), (⁵²Ti), (⁵⁴Ti), (⁵⁶Cr), (⁵⁸Cr), (⁶⁰Cr), (⁶²Fe), (⁶⁴Fe), (⁶⁶Ni), (⁶⁸Ni), (⁷⁰Ni), (⁷²Zn), (⁷⁴Ge), (⁷⁶Zn), (⁷⁸Ge), (⁸⁰Ge), (⁸²Ge), (⁸⁴Se), (⁸⁶Kr), (⁸⁸Kr), (⁹⁰Sr), (⁹²Kr), (⁹⁴Sr), (⁹⁶Zr), (⁹⁸Zr), (¹⁰⁰Mo), (¹⁰²Mo); calculated T_1/2. Comparison with available data.

doi: 10.1007/s10751-021-01748-0
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2021SH29      Int.J.Mod.Phys. E30, 2150070 (2021)

R.Sharma, A.Jain, M.Kaushik, S.K.Jain, G.Saxena

Structural properties of nuclei with semi-magic number N(Z)=40

NUCLEAR STRUCTURE ⁵⁶S, ⁵⁸Ar, ⁶⁰Ca, ⁶²Ti, ⁶⁴Cr, ⁶⁶Fe, ⁶⁸Ni, ⁷⁰Zn, ⁷²Ge, ⁷⁴Se, ⁷⁶Kr, ⁷⁸Sr, ⁸⁰Zr, ⁸²Mo, ⁸⁴Ru, ⁸⁶Pd, ^{78,80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124}Zr; calculated binding energies, deformation parameters.

doi: 10.1142/S0218301321500701
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2021SH43      Hyperfine Interactions 242, 35 (2021)

R.Sharma, A.Jain, S.K.Jain, G.Saxena

Magicity in the nuclei with N = 32 and 34

NUCLEAR STRUCTURE ^46,48Si, ^48,50S, ^50,52Ar, ^52,54Ca, ^54,56Ti, ^56,58Cr, ^58,60Fe, ^60,62Ni, ^62,64Zn, ^64,66Ge, ^66,68Se, ^68,70Kr; analyzed available data; calculated potential energy surfaces, quadrupole deformation parameters, two proton shell gap, isotopic shift using relativistic mean-field (RMF) approach with density-dependent meson-nucleon couplings using DD-ME2 parameter.

doi: 10.1007/s10751-021-01751-5
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2021SI02      Nucl.Phys. A1006, 122066 (2021)

U.K.Singh, R.Sharma, P.K.Sharma, M.Kaushik, S.K.Jain, G.Saxena

Structural properties and α-decay chains of transfermium nuclei (101 ≤ Z ≤ 110)

RADIOACTIVITY ^{235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287}Md, ^{238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288}No, ^{241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289}Lr, ^{243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290}Rf, ^{245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291}Db, ^{248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292}Sg, ^{250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293}Bh, ^{253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294}Hs, ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295}Mt, ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296}Ds(α), (SF); calculated potential energy surfaces (PESs), occupancies of neutron single particle states, rms α-decay T_1/2, T_1/2. Comparison with available data.

doi: 10.1016/j.nuclphysa.2020.122066
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2020KU26      Int.J.Mod.Phys. E29, 2050068 (2020)

M.Kumawat, G.Saxena, M.Kaushik, S.K.Jain, J.K.Deegwal, M.Aggarwal

Novel feature of doubly bubble nuclei in 50 ≤ Z(N) ≤ 82 region along with magicity and weakly bound structure

NUCLEAR STRUCTURE Z=50-82; calculated the separation energies, s.p. energies, pairing energies, proton and neutron density profiles along with deformations of even-even nuclei using the Relativistic Mean-Field (RMF) approach; deduced central density depletion in both proton and neutron named as doubly bubble nuclei.

doi: 10.1142/S0218301320500688
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2020SI27      Nucl.Phys. A1004, 122035 (2020)

U.K.Singh, P.K.Sharma, M.Kaushik, S.K.Jain, D.T.Akrawy, G.Saxena

Study of decay modes in transfermium isotopes

RADIOACTIVITY ^{245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260}Md, ^{250,251,252,253,254,255,256,257,258,259,260,261,262}No, ^{252,253,254,255,256,257,258,259,260,261,262,263,264,265,266}Lr, ^{253,254,255,256,257,258,259,260,261,262,263,264,265}Rf, ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270}Db, ^{258,259,260,261,262,263,264,265,266,267,268,269,270,271}Sg, ^{260,261,262,263,264,265,266,267,268,269,270,271,272,273,274}Bh, ^{263,264,265,266,267,268,269,270,271,272,273,274,275,276,277}Hs, ^{266,267,268,269,270,271,272,273,274,275,276,277,278}Mt(EC), (β^-), (α), (SF); calculated T_1/2. Comparison with available data.

doi: 10.1016/j.nuclphysa.2020.122035
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2019SA02      Phys.Lett. B 788, 1 (2019)

G.Saxena, M.Kumawat, M.Kaushik, S.K.Jain, M.Aggarwal

Bubble structure in magic nuclei

NUCLEAR STRUCTURE ^{12,13,14,15,16,17,18,19,20,21,22,23,24}O, ^{34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70}Ca, ^{48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98}Ni, ^{80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150}Zr, ^{78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126}Sn, ^{178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262}Pb, ²⁵¹Fr, ²⁹⁹Mc, ³⁰²Og, ²²Si, ³⁴Si, ⁴⁶Ar, ⁵⁶S, ⁵⁸Ar, ¹⁸⁴Ce, ³⁴⁷119, ²⁹²120, ³⁴¹Nh; calculated charge and matter densities, single particle levels and depletion fraction (DF) across the periodic chart; deduced that the central depletion is correlated to shell structure and occurs due to unoccupancy in s-orbit (2s, 3s, 4s) and inversion of (2s, 1d) and (3s, 1h) states in nuclei upto Z less or equal to 82. Bubble effect in superheavy region is a signature of the interplay between the Coulomb and nn-interaction where the depletion fraction is found to increase with Z (Coulomb repulsion) and decrease with isospin.

doi: 10.1016/j.physletb.2018.08.076
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2018KU17      Can.J.Phys. 96, 1413 (2018)

M.Kumawat, G.Saxena, M.Kaushik, R.Sharma, S.K.Jain

Description of nuclei with magic number Z (N) = 6

NUCLEAR STRUCTURE Z=6, N=6; calculated ground state properties of entire chains of isotopes (isotones) with Z (N) = 6 including even and odd mass nuclei using relativistic mean-field plus BCS, including quadrupole deformation, binding energy, separation energy, single particle energy, root mean squared radii, along with charge and neutron density profile. Comparison with available data.

doi: 10.1139/cjp-2017-1013
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2018SA44      Int.J.Mod.Phys. E27, 1850074 (2018)

G.Saxena, U.K.Singh, M.Kumawat, M.Kaushik, S.K.Jain, M.Aggarwal

Distinct ground state features and the decay chains of Z=121 superheavy nuclei

NUCLEAR STRUCTURE Z=121; calculated separation energies, shell corrections, deformation parameters, radial variation of charge density and neutron density using RMF+BCS approach.

RADIOACTIVITY ^{293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312}121(α); calculated Q-values, T_1/2. Comparison with available data.

doi: 10.1142/S021830131850074X
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2017SA69      Int.J.Mod.Phys. E26, 1750072 (2017)

G.Saxena, M.Kumawat, M.Kaushik, U.K.Singh, S.K.Jain, S.Somorendro Singh, M.Aggarwal

Implications of occupancy of 2_s1/2 state in sd-shell within RMF+BCS approach

NUCLEAR STRUCTURE ²²C, ^22,24O, ^34,36Ca, ²⁶S, ³⁶S, ⁵⁶S, ^22,34,48Si; calculated quadrupole deformation parameters, neutron single particle states, neutron density. Comparison with available data.

doi: 10.1142/S0218301317500720
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2017SA70      Phys.Lett. B 775, 126 (2017)

G.Saxena, M.Kumawat, M.Kaushik, S.K.Jain, M.Aggarwal

Two-proton radioactivity with 2p halo in light mass nuclei A = 18-34

NUCLEAR STRUCTURE ¹⁹Mg, ²²Si, ²⁶S, ³⁰Ar, ³⁴Ca; calculated variation of charge density, charge radii, RMF potential energy, centrifugal barrier energy for proton resonant states; deduced 2-proton halo.

doi: 10.1016/j.physletb.2017.10.055
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