NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 27, 2024.

Search: Author = P.K.Sharma

Found 10 matches.

Back to query form

2024SA15      Eur.Phys.J. A 60, (2024)

G.Saxena, P.K.Sharma, P.Saxena

A global study of α-clusters decay in heavy and superheavy nuclei with half-life and preformation factor

NUCLEAR STRUCTURE N=100-180; calculated T_1/2, preformation factor with microscopic structural information and cast in the form of quite precise empirical formulas.

doi: 10.1140/epja/s10050-024-01259-w
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2023SA02      J.Phys.(London) G50, 015102 (2023)

G.Saxena, M.Aggarwal, D.Singh, A.Jain, P.K.Sharma, H.L.Yadav

Deformation dependence of 2p-radioactivity half-lives: probe with a new formula across the mass region with Z < 82

RADIOACTIVITY ⁶Be, ¹²O, ¹⁶Ne, ¹⁹Mg, ⁴⁵Fe, ⁴⁸Ni, ⁵⁴Zn, ⁶⁷Kr, ¹⁰N, ²⁸Cl, ³²K, ⁵²Cu, ⁵⁷Ga, ^60,62As(2p); analyzed available data; deduced T_1/2 by employing our newly proposed semi-empirical formula wherein the nuclear deformation has been incorporated in a phenomenological way.

doi: 10.1088/1361-6471/ac991d
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2021SA30      J.Phys.(London) G48, 055103 (2021)

G.Saxena, P.K.Sharma, P.Saxena

Modified empirical formulas and machine learning for α-decay systematics

RADIOACTIVITY ^{276,278,280,282,284}Cn, ^{284,285,286,287,288,289}Fl, ^290,292,294Lv, ²⁹⁴Og(α), (SF); calculated T_1/2. Comparison with available data.

doi: 10.1088/1361-6471/abcd1c
Citations: PlumX Metrics

2021SA59      Phys.Scr. 96, 125304 (2021)

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

A new empirical formula for α-decay half-life and decay chains of Z = 120 isotopes

NUCLEAR STRUCTURE Z=50-118; analyzed available data; deduced a new formula (QF) with only 4 coefficients as well as to modify the Tagepera-Nurmia formula with just 3 coefficients (MTNF) by employing nonlinear regressions.

RADIOACTIVITY ^{288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304}120, ^{284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300}Og, ^{280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296}Lv, ^{276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292}Fl, ^{272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288}Cn, ^{268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284}Ds, ^{264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280}Hs, ^{260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276}Sg(α); calculated T_1/2. Comparison with available data.

doi: 10.1088/1402-4896/ac1a4d
Citations: PlumX Metrics

2021SH38      Nucl.Phys. A1016, 122318 (2021)

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

New modified empirical formulae for favoured and unfavoured α-decay

RADIOACTIVITY ^{305,319,321,331,337}121, ^{294,295,296,298,299,300,301,302,304,306,308,310,311,312,314,316,317,318,320,322,324,326,328,330,331,332,334,336,338,339}122, ³²¹123, ^{300,302,304,306,308,310,312,313,314,316,318,319,320,322,324,326,328,330,332,333,334,336,338}124, ^{291,293,295,297,299,301,303,305,307,309,311,313,315,317,319,321,323,325,327,329,331,333,335,337,339}121, ^{307,309,311,313,315,317,319,321,323,325,327,329,331,333,335,337}122, ^{297,299,301,303,305,307,309,311,313,315,317,319,321,323,325,327,329,331,333,335,337,339}123, ^{301,303,305,307,309,311,313,315,317,319,321,323,325,327,329,331,333,335,337,339}124(α); calculated T_1/2; deduced formulae.

doi: 10.1016/j.nuclphysa.2021.122318
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics