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NSR database version of April 27, 2024.

Search: Author = A.Joseph

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2024AK01      Appl.Radiat.Isot. 204, 111138 (2024)

Sh.Akbar, M.M.Musthafa, C.V.Midhun, A.Joseph, S.L.Cyriac, K.C.Jagadeesan

Re-utilization of long lived ⁹⁹Tc radio isotope via Photon induced nuclear reactions

NUCLEAR REACTIONS ⁹⁹Tc, ¹¹⁵In(γ, γ'), E<20 MeV; measured reaction products, Eγ, Iγ; deduced integral σ. Comparison with available data. The Varian CLINAC-iX Medical Linear accelerator (LINAC) facility.

doi: 10.1016/j.apradiso.2023.111138
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2021MI20      Phys.Rev. C 104, 054606 (2021)

C.V.Midhun, M.M.Musthafa, S.V.Suryanarayana, T.Santhosh, A.Baishya, P.N.Patil, A.Pal, P.C.Rout, S.Santra, R.Kujur, A.Joseph, A.Shaima, K.Hajara, P.T.M.Shan, B.Satheesh, B.V.John, E.T.Mirgule, K.C.Jagadeesan, S.Ganesan

Impact of ⁷Be breakup on the ⁷Li(p, n) neutron spectrum

NUCLEAR REACTIONS ⁷Li(p, n), E=21 MeV beam from BARC-TIFR Pelletron-Linac facility; measured evaporation products using two silicon detector telescopes, E(n), I(n) by time-of-flight using three liquid organic scintillators, (³He)α-coin, (³He)n-coin, double differential σ(E(³He, α), θ) for ⁷Li(p, n)⁷Be^* to n+³He+α channel; deduced ΔE-E correlation spectra, ³He-³He energy correlation plot, double differential σ(En, θ) simulated 0° breakup neutron spectrum at 21 MeV with contributions from continuum and resonance. Comparison of neutron spectrum with previous experimental data, and with theoretical calculations using FRESCO code.

doi: 10.1103/PhysRevC.104.054606
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6404.

2019AS07      Int.J.Mod.Phys. E28, 1950093 (2019)

N.Ashok, A.Joseph

A systematic study of the ground state properties of W, Os and Pt isotopes using HFB theory

NUCLEAR STRUCTURE ^{158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244,246,248,250,252,254,256,258,260}W, ^{160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244,246,248,250,252,254,256,258,260}Os, ^{170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244,246,248,250,252,254,256,258,260}Pt; calculated binding and separation energies, deformation parameters, neutron pairing, neutron and proton rms radii using Skyrme-Hartree-Fock-Bogoliubov theory.

doi: 10.1142/S0218301319500939
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2018AS05      Nucl.Phys. A977, 101 (2018)

N.Ashok, A.Joseph

Alpha and cluster decay half-lives in Tungsten isotopes: A microscopic analysis

RADIOACTIVITY ^{158,160,162,164,166,168,170,172,174,176,178,180}W(α), ^{158,160,162,164,166,168,170}W(⁸Be), (¹²C), (¹⁶O);^{158,160,162,164,166,168}W(²⁰Ne); calculated α- or cluster-decay Q-values using several Skyrme HFB with HO (Harmonic Oscillator) and THO (Transformed HO) basis, T_1/2 using UDL (Universal Decay Law). Compared with ELDM (Effective Liquid Drop Model) and experimental data.

doi: 10.1016/j.nuclphysa.2018.06.005
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2018AS06      Int.J.Mod.Phys. E27, 1850098 (2018)

N.Ashok, A.Joseph

A systematic study of alpha and cluster decay in Platinum isotopes

RADIOACTIVITY ^{168,170,172,174,176,178,180,182,184,186,188,190,192}Pt(α), ^{168,170,172,174,176,178,180}Pt(⁸Be), ^{168,170,172,174,176,178,180,182}Pt(¹²C), ^{168,170,172,174,176,178}Pt(¹⁶Ne), ^{168,170,172,174,176,178}Pt(²⁴Mg); calculated Q-values, T_1/2. The framework of Skyrme Hartree–Fock–Bogoliubov (HFB) theory.

doi: 10.1142/S0218301318500982
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2018JO02      Eur.Phys.J. A 54, 8 (2018)

D.M.Joseph, N.Ashok, A.Joseph

A theoretical study of cluster radioactivity in platinum isotopes

RADIOACTIVITY ^{166,167,168,169,170,171,172,173,174,175,176,177,168,179,180,181,182,183,184,185,186,187,188,189,190,191}Pt(α), (⁸Be), (¹²C), (¹⁶O), (²⁰Ne), (²⁴Mg); calculated decay Q-values, T_1/2 using ELDM (Effective Liquid Model) and UDL (Universal Decay Law); compared with available data.

doi: 10.1140/epja/i2018-12457-x
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2014GI01      Int.J.Mod.Phys. E23, 1450002 (2014)

K.K.Girija, A.Joseph

Role of shape and quadrupole deformation of parents in the cluster emission of rare earth nuclei

RADIOACTIVITY ¹⁵⁰Dy(α), ¹⁵²Dy(α), (⁸Be), (¹²C), ¹⁵⁴Dy(α), (¹²C), ¹⁵⁶Dy(α), (¹⁶O), ¹⁵⁰Er(α), ¹⁵²Er(α), (¹²C), ¹⁵⁴Er(α), (⁸Be), (¹²C), ¹⁵⁶Er(α), (⁸Be), (¹²C), (¹⁶O), ¹⁵⁸Er(α), (¹²C), (¹⁶O), ¹⁶⁰Er(α), ¹⁵⁰Yb(α), (¹²C), (¹⁶O), ¹⁵²Yb(α), ¹⁵⁴Yb(α), (¹²C), (¹⁶O), ¹⁵⁶Yb(α), (⁸Be), (¹²C), (¹⁶O), ¹⁵⁸Yb(α), (⁸Be), (¹²C), (¹⁶O), ¹⁶⁰Yb(α), (¹²C), (¹⁶O), ¹⁵⁸Hf(α), (⁸Be), (¹²C), (¹⁶O), ¹⁶²Hf(α), (⁸Be), (¹²C), (¹⁶O), ¹⁶⁶Hf(α), (¹²C), (¹⁶O), ^{168,170,172,174,176}Hf(α), ^{160,164,166,168}W(α), (⁸Be), (¹²C), (¹⁶O), ¹⁷⁰W(α), (¹²C), (¹⁶O), ^{172,174,176,178}W(α), ^{162,166,170,172,174}Os(α), (⁸Be), (¹²C), (¹⁶O), ^176,178Os(α), (¹²C), ¹⁸⁰Os(α); calculated T_1/2; deduced effects of prolate and oblate deformations on branching ratios. Comparison with available data.

doi: 10.1142/S0218301314500025
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2013GI01      Int.J.Mod.Phys. E22, 1350006 (2013)

K.K.Girija, A.Joseph

Shape evolution with spin in ¹⁵⁸Er and ¹⁶²Hf nuclei

NUCLEAR STRUCTURE ¹⁵⁸Er, ¹⁶²Hf; calculated equilibrium shapes, quadrupole deformations, shape evolution, phase transition. Cranked Nilsson-Strutinsky shell correction method.

doi: 10.1142/S0218301313500067
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2012KU20      Eur.Phys.J. A 48, 79 (2012)

P.V.Kunhikrishnan, K.P.Santhosh, A.Joseph

Half-life and inner penetrability in the cold fission of ²⁴⁸Cm

RADIOACTIVITY ²⁴⁸Cm(SF); calculated fragmentation, fission T_1/2 for various emitted clusters using CPPM (Coulomb plus proximity potential model) with surface tension. Compared with Sandulescu's calculations.

doi: 10.1140/epja/i2012-12079-4
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2009SA03      Nucl.Phys. A817, 35 (2009)

K.P.Santhosh, V.B.Jose, A.Joseph, K.M.Varier

Heavy-ion fusion cross sections and barrier distributions for ¹²C, ¹⁶O, ²⁸Si and ³⁵Cl on ⁹²Zr

NUCLEAR REACTIONS ⁹²Zr(¹²C, X), E(cm)=27-45 MeV; ⁹²Zr(¹⁶O, X), E(cm)=38-70 MeV; ⁹²Zr(²⁸Si, X), E(cm)=64-90 MeV; ⁹²Zr(³⁵Cl, X), E(cm)=76-96 MeV; calculated fusion σ, barrier distribution using a one-dimensional barrier penetration model and comparison with data.

doi: 10.1016/j.nuclphysa.2008.11.008
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2008AB15      Pramana 70, 633 (2008)

K.K.Abdullah, N.Ramachandran, K.K.Nair, B.R.S.Babu, A.Joseph, R.Thomas, K.M.Varier

Attenuation studies near K-absorption edges using Compton scattered ²⁴¹Am gamma rays

ATOMIC PHYSICS Sm, Eu, Gd, Tb, Dy, Er(γ, γ'), E=49.38-57.96 keV; measured attenuation coefficients near K-absorption edges.

doi: 10.1007/s12043-008-0024-1
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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
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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
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2005SA18      Pramana 64, 39 (2005)

K.P.Santhosh, A.Joseph

Cluster emission in superdeformed Sr isotopes in the ground state and formed in heavy-ion reaction

RADIOACTIVITY ⁷⁶Sr(¹²C), (¹⁶O), (²⁰Ne), (²⁴Mg), (²⁸Si), (³²S), (³⁶Ar); ^78,80Sr(¹⁶O), (²⁰Ne), (²⁴Mg), (²⁶Mg), (²⁸Si), (³⁰Si), (³²S), (³⁴S), (³⁶Ar), (³⁸Ar); calculated cluster decay T_1/2, Q for ground and excited state decay.

doi: 10.1007/BF02704528
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2002SA20      Pramana 58, 611 (2002)

K.P.Santhosh, A.Joseph

Exotic Decay in Cerium Isotopes

RADIOACTIVITY ^{116,118,120,121,122,123,124}Ce(α), (¹⁶O); ^{116,118,120,121,122,124}Ce(⁸Be), (¹²C), (²⁰Ne), (²⁴Mg), (²⁸Si); ^122,124Ce(²²Ne), (²⁶Mg); calculated T_1/2.

doi: 10.1007/s12043-002-0019-2
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2002SA55      Pramana 59, 679 (2002)

K.P.Santhosh, A.Joseph

Effect of parent and daughter deformation on half-life time in exotic decay

RADIOACTIVITY ²²¹Fr, ^{221,222,223,224,226}Ra, ²²⁵Ac(¹⁴C); ²³⁰Th, ²³¹Pa, ^232,233,234U(²⁴Ne); ²³²Th, ²³⁴U(²⁶Ne); ²³⁴U, ²³⁸Pu(²⁸Mg); ²³⁷Np, ²³⁸Pu(³⁰Mg); ²³⁸Pu(³²Si); ²⁴¹Am(³⁴Si); calculated cluster decay T_1/2 vs parent and daughter deformation.

doi: 10.1007/s12043-002-0078-4
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2000SA50      Pramana 55, 375 (2000)

K.P.Santhosh, A.Joseph

Exotic Decay of Ba Isotopes via ¹²C Emission

RADIOACTIVITY ^{112,114,115,116,117,118,119,120}Ba(α), (¹²C); calculated potential barriers, T_1/2. Comparison with data.

doi: 10.1007/s12043-000-0067-4
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