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NSR database version of May 10, 2024.

Search: Author = R.K.Biju

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2022PR04      Int.J.Mod.Phys. E31, 2250028 (2022)

K.Prathapan, M.K.Preethi Rajan, R.K.Biju

Study of cluster emissions from heavy nuclei using an empirical formula and the Coulomb and Proximity potential model for deformed nuclei

RADIOACTIVITY ²²¹Fr, ^{221,222,223,224,225,226}Ra, ²³⁵Ac(¹⁴C), ²²⁸Th(²⁰O), ²³¹Pa, ^{232,233,234,235}U(²⁴Ne), ^233,235U(²⁵Ne), ²³⁴U(²⁶Ne), ^234,236U, ²³⁸Pu(²⁸Mg), ²³⁸Pu(³⁰Mg), (³²Si), ²⁴²Cm(³⁴Si), ^222,223Ra(¹⁸O), ²²³Ra(¹⁵N), ²²⁵Ac(¹⁷N), ^224,226,228Th(²⁴Ne), ²²⁹Th(²¹O), (²⁴Ne), ^224,226,228Th(¹⁴C), ²³¹Pa(²⁷Na), (²⁸Mg), ²³²Pa(²⁵Ne), (²⁸Mg), ²³⁰U(²⁰O), (²⁴Ne), ²³²U(²⁸Mg), ^233,234U(²⁷Na), ²³⁰U(²¹F), (²⁸Mg), ²³²U(²³F), ²³³U(²⁸Mg), ²³⁵U(²⁹Mg), ²³¹Np(²⁰O), ²³³Np(²⁵Ne), ²³⁴Np(²⁸Mg), ²³⁵Np(²⁹Mg), ²³⁶Np(²⁸Mg), (²⁹Mg), ²³⁴Pu(²⁷Na), (²⁹Al), ²³⁶Pu(²⁴Ne), (²⁹Al), ²³⁷Pu(²⁹Mg), (³²Si), ²³⁴Pu(²⁴Ne), (²⁸Mg), (³²Si), ²³⁶Pu(²⁷Na), (³²Si), ²³⁷Pu(³⁰Al), ²³⁸Pu(³¹Al), ²³⁷Am(³²Si), (²⁹Mg), ²³⁸Am(²⁹Mg), (³³Si), (³²Si), ²³⁹Am(³²Si), (³⁴Si), (³⁰Mg), (³³Si), ^240,241Am(³⁴Si), (³³Si), ^238,241,242Cm(³²Si), ^{240,242,243,244}Cm(³⁴Si), ²⁴²Cf(³⁴Si), ²⁴⁶Cf(³⁴Si), (³³Si), (³⁶S), ¹⁸⁰Pb(¹⁵C), ^188,190Po, ^{225,226,227,228,229,230,231}Rn(²³O), ^{221,222,223,224,225,226,227}Ra(¹⁵C), ^{227,228,229,230,231}Ra(²³O), ²²⁹Ra(²⁴F), ²²¹Th, ^{223,224,225,226,227}Th(¹⁵C), ^{229,230,231,232,233}Th, ^{229,230,231,232,233}Th(²³O), (²⁴F), ^225,226,227U(¹⁵C), ^231,232,233U(²⁴F); calculated T_1/2. Comparison with available data.

doi: 10.1142/S0218301322500288
Citations: PlumX Metrics

2022PR07      Int.J.Mod.Phys. E31, 2250068 (2022)

K.Prathapan, M.K.Preethi Rajan, R.K.Biju

Systematic study of alpha and cluster preformation probability using new empirical formulae

RADIOACTIVITY ^212,213,214Po, ²¹⁵At, ²³⁸Pu(α), ²²¹Fr, ^{221,222,223,224}Ra, ²²⁵Ac, ²²⁶Ra(¹⁴C), ²²⁸Th(²⁰O), ²³⁰U(²²Ne), ²³⁰Th, ²³¹Pa, ^232,233,234U(²⁴Ne), ²³³U(²⁵Ne), ²³⁴U(²⁶Ne), (²⁸Mg), ^236,238Pu(²⁸Mg), ²³⁸Pu(³²Si), ²³⁸Pu(³⁰Mg), ²⁴²Cm(³⁴Si); calculated preformation probability of alpha and other cluster emissions using the generalized liquid drop model(GLDM), density-dependent cluster model (DDCM), and unified fission model (UFM).

doi: 10.1142/S0218301322500689
Citations: PlumX Metrics

2021PR12      Int.J.Mod.Phys. E30, 2150106 (2021)

K.Prathapan, R.K.Biju

Empirical formula for heavy cluster decay in the superheavy region

RADIOACTIVITY ²⁷⁸Hs(⁷²Ni), ²⁸²Cn(⁷⁴Zn), ²⁸⁴Cn(⁷⁶Zn), ²⁸⁴Fl(⁷⁸Ge), ²⁸⁶Fl(⁸⁰Ge), ²⁸⁸Fl(⁸⁰Ge), ^290,294Fl(⁸²Ge), ²⁹²Lv(⁸⁴Se), ²⁹⁴Og(⁸⁶Kr), ³⁰⁰120(⁹²Sr), ³⁰²120(⁹⁴Sr), ²⁶⁷Rf(⁶¹Cr), ²⁶⁹Sg(⁶⁴Fe), ²⁷¹Sg(⁶⁵Fe), ²⁷³Hs(⁶⁸Ni), ²⁷⁵Hs(⁷⁰Ni), ²⁷⁷Hs, ²⁷⁹Ds(⁷¹Ni), ²⁸¹Ds(⁷²Ni), ²⁸¹Cn(⁷⁴Zn), ²⁸³Cn(⁷⁵Zn), ²⁸⁵Cn(⁷⁷Zn), ²⁸⁷Fl(⁸⁰Ge), ²⁸⁹Fl(⁸¹Ge), ²⁹¹Lv(⁸⁴Se), ²⁹³Lv(⁸⁵Se), ²⁹⁵Og(⁸⁷Kr), ²⁹⁹120(⁹¹Sr), ³⁰¹120(⁹³Sr), ²⁸⁷Nh(⁷⁹Ga), ²⁹⁷119(⁸⁹Rb), ²⁹⁹119(⁹¹Rb), ²⁷⁸Bh(⁷³Ni), ²⁸²Mt(⁷¹Co), ²⁸⁶Rg(⁷⁸Cu), ²⁹⁰Nh(⁸¹Ga), ³⁰⁰119(⁹²Rb); calculated T_1/2. Comparison with available data.

doi: 10.1142/S0218301321501068
Citations: PlumX Metrics

2020AN01      Nucl.Phys. A993, 121644 (2020)

K.P.Anjali, K.Prathapan, R.K.Biju

Studies on the emission of various exotic fragments from superheavy nuclei via cluster decay process

doi: 10.1016/j.nuclphysa.2019.121644
Citations: PlumX Metrics

2013SA10      Ann.Phys.(New York) 334, 280 (2013)

K.P.Santhosh, R.K.Biju

Stability of ^248-254Cf isotopes against alpha and cluster radioactivity

RADIOACTIVITY ^{248,249,250,251,252,253,254}Cf(α), (⁴⁰S), (⁴¹S), (⁴²S), (⁴⁴Ar), (⁴⁵Ar), (⁴⁶Ar), (⁴⁷Ar), (⁴⁸Ar), (⁴⁸Ca), (⁴⁹Ca), (⁵⁰Ca), (⁵¹Ca), (⁵²Ca); calculated T_1/2 with and without deformation parameters. Coulomb and proximity potential model, comparison with available data.

doi: 10.1016/j.aop.2013.04.008
Citations: PlumX Metrics

2010SA09      Nucl.Phys. A832, 220 (2010)

K.P.Santhosh, R.K.Biju, S.Sahadevan

Semi-empirical formula for spontaneous fission half life time

RADIOACTIVITY ²³²Th, ^{228,230,232,234,236,238}U, ^{232,234,236,238,240,242,244}Pu, ^{240,242,244,246,248,250}Cm, ^{240,242,244,246,248,250,252,254}Cf, ^{246,248,250,252,254,256,258,260}Fm, ^{250,252,254,256,258,260,262,264,266}No, ^{254,256,258,260,262,264,266,268}Rf, ^{258,260,262,264,266,268,270,272}Sg, ^{264,266,268,270,272,274,276}Hs, ^{260,262,264,266,268,270,272,274,276,278,280,282,284}Ds, ^{264,266,268,270,272,274,276,278,280,282,284,286,288}Cn, ^{268,270,272,274,276,278,280,282,284,286,288,290,292}Fl, ^{272,274,276,278,280,282,284,286,288,290,292,294,296}Lv, ^{276,278,280,282,284,286,288,290,292,294,296,298,300}Og, ^{274,276,278,280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320}120, ^{276,278,280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316}122(α), (SF); calculated T_1/2 using a Coulomb and Proximity Potential model and semi-empirical formula. Discussed SHE survivability. Comparison with data and systematics.

doi: 10.1016/j.nuclphysa.2009.10.160
Citations: PlumX Metrics

2010SA29      Nucl.Phys. A838, 38 (2010)

K.P.Santhosh, R.K.Biju, S.Sahadevan

Cluster formation probability in the trans-tin and trans-lead nuclei

RADIOACTIVITY ^112,114Ba(¹²C), ^116,118Ce(¹⁶O), ^120,122Nd(²⁰Ne), ^124,126Sm(²⁴Mg), ²²¹Fr, ^{221,222,223,224,225}Ra, ²²⁵Ac, ²²⁶Th(¹⁴C); calculated cluster formation probability and systematics for adjacent systems/clusters. ²²⁶Th(¹⁴C), (¹⁸O), (²⁰O), ²³⁰U(²²Ne), (²⁴Ne), ^232,233,234U(²⁴Ne), (²⁸Mg), ²³⁴U(²⁶Ne), ²³⁶U, ²³⁸Pu(²⁸Mg), (³⁰Mg); calculated cluster formation probability, T_1/2. Coulomb proximity potential model.

doi: 10.1016/j.nuclphysa.2010.03.004
Citations: PlumX Metrics

2009SA01      J.Phys.(London) G36, 015107 (2009)

K.P.Santhosh, R.K.Biju

Alpha decay, cluster decay and spontaneous fission in ^294-326122 isotopes

NUCLEAR STRUCTURE Z=122; calculated α, cluster decay Q-values, half-lives, penetrabilities within the coulomb proximity potential model.

doi: 10.1088/0954-3899/36/1/015107
Citations: PlumX Metrics

2009SA13      Pramana 72, 689 (2009)

K.P.Santhosh, R.K.Biju

Neutron and proton shell closure in the superheavy region via cluster radioactivity in ^280-314116 isotopes

RADIOACTIVITY ^{280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314}Lv; calculated α and cluster decay half-lives and barrier penetrabilities.

doi: 10.1007/s12043-009-0062-3
Citations: PlumX Metrics

2009SA25      Nucl.Phys. A825, 159 (2009)

K.P.Santhosh, S.Sahadevan, R.K.Biju

Alpha radioactivity in heavy and super heavy elements

RADIOACTIVITY ^{245,246,247,248,249,250,251,252,253,254,255,256,257,260,262,264,266,268,270,272,276,278}Fm, ^{251,252,253,254,255,256,257,259,260,262,264,266,268,270,272,274,276,278,282,284,286,288}No, ^{256,261,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294}Rf, ^{260,262,263,264,265,266,268,270,271,272,274,276,278,280,282,284,286,288,290,292,294,296}Sg, ^{264,265,266,268,270,272,274,275,276,278,280,282,284,286,288,290,292,294,296,298}Hs, ^{264,266,268,269,270,272,274,276,278,279,280,282,284,286,288,290,292,294,296,298,300}Ds, ^{268,270,272,274,276,278,280,282,283,284,285,286,288,290,292,294,296,298,300,302,304}Cn, ^{270,272,274,276,278,280,282,284,286,287,288,289,290,292,294,296,298,300,302,304,306}Fl, ^{276,278,280,282,284,286,288,290,291,292,293,294,296,298,300,302,304,306,308}Lv, ^{280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310}Og, ^{288,290,292,294,296,298,300,302,304,306,308,310,312}120(α); calculated α-decay Q-values, half-lives using a Coulomb and Proximity Potential model. Comparison with systematics and data.

doi: 10.1016/j.nuclphysa.2009.04.012
Citations: PlumX Metrics

2009SA33      J.Phys.(London) G36, 115101 (2009)

K.P.Santhosh, R.K.Biju, S.Sahadevan

The systematic study of spontaneous fission versus alpha decay of superheavy nuclei

NUCLEAR STRUCTURE Z=100-122; analyzed spontaneous fission half-lives and fissionability parameters, neutron excess; calculated α-decay T_1/2. Comparison with empirical formula and experimental data.

doi: 10.1088/0954-3899/36/11/115101
Citations: PlumX Metrics

2009SA45      Pramana 73, 1059 (2009)

K.P.Santhosh, R.K.Biju, S.Sahadevan

Stability of ^244-260Fm isotopes against alpha and cluster radioactivity

NUCLEAR STRUCTURE ^{244,246,248,250,252,254,256,258,260}Fm; calculated α-decay T_1/2 and impact of nuclear deformation of parents and fragments on half-lives; deduced relative stability against light cluster emission. Comparison with experimental data.

doi: 10.1007/s12043-009-0166-9
Citations: PlumX Metrics

2008BI10      Pramana 70, 617 (2008)

R.K.Biju, S.Sahadevan, K.P.Santhosh, A.Joseph

Cold valleys in the radioactive decay of ^248-254Cf isotopes

NUCLEAR STRUCTURE ^{248,249,250,251,252,253,254}Cf; calculated α and cluster decay Q-values, penetrabilities, decay constants and branching ratios.

doi: 10.1007/s12043-008-0023-2
Citations: PlumX Metrics

2008SA22      J.Phys.(London) G35, 085102 (2008)

K.P.Santhosh, R.K.Biju, A.Joseph

A semi-empirical model for alpha and cluster radioactivity

NUCLEAR STRUCTURE Fr, Ra, Ac, Th, Pa, U, Pu, Am, Cm, Cf, Es, Fm, Bk, No; calculated alpha and cluster decay half-life using a semi-empirical model.

doi: 10.1088/0954-3899/35/8/085102
Citations: PlumX Metrics