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NSR database version of April 29, 2024.

Search: Author = G.Shanmugam

Found 19 matches.

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2005SH42      Phys.Rev. C 72, 034310 (2005)

G.Shanmugam, S.Sudhakar, S.Niranjani

Role of shapes in the identification of superheavy nuclei

RADIOACTIVITY ^{198,200,202,204,206}Po, ^{204,206,208,210,212}Rn, ^222,224,226Ra, ^{226,228,230,232}Th, ^{230,232,234,236,238}U, ^{236,238,240,242,244}Pu, ^{240,242,244,246,248}Cm, ^250,252Cf, ^254,256Fm, ²⁷¹Sg, ²⁷²Bh, ²⁷⁵Hs, ^275,276Mt, ²⁷⁹Ds, ^279,280Rg, ^282,283,285Cn, ^283,284Nh, ^{286,287,288,289}Fl, ^287,288Mc, ^{290,291,292,293}Lv, ²⁹⁴Og(α); calculated Qα, T_1/2, deformation parameters.

doi: 10.1103/PhysRevC.72.034310
Citations: PlumX Metrics

2004AR11      Phys.Rev. C 69, 054313 (2004)

P.Arumugam, G.Shanmugam, S.K.Patra

Giant dipole resonance and Jacobi transition with exact treatment of fluctuations

NUCLEAR STRUCTURE ⁴⁵Sc, ⁹⁰Zr, ⁹²Mo, ¹²⁰Sn, ¹⁸⁴Hg, ²⁰⁸Pb; calculated GDR energies, widths at finite temperature and spin, role of Jacobi transition. Nilsson-Strutinsky approach, Landau theory, comparison with data.

doi: 10.1103/PhysRevC.69.054313
Citations: PlumX Metrics

2001SH24      Phys.Rev. C63, 064311 (2001)

G.Shanmugam, V.Ramasubramanian, S.N.Chintalapudi

Jacobi Shape Transition in fp Shell Nuclei

NUCLEAR STRUCTURE ⁴⁴Ti, ⁴⁸Cr, ⁵²Fe, ⁵⁶Ni; calculated deformation vs spin; deduced Jacobi shape transition features. Cranked Nilsson-Strutinsky method.

doi: 10.1103/PhysRevC.63.064311
Citations: PlumX Metrics

2001SH43      Pramana 57, 223 (2001)

G.Shanmugam, P.Arumugam

Inclusion of Temperature Dependent Shell Corrections in Landau Theory for Hot Rotating Nuclei

NUCLEAR STRUCTURE ⁸⁰Zr; calculated deformation vs temperature, spin. Temperature-dependent shell corrections, Landau theory.

doi: 10.1007/s12043-001-0180-z
Citations: PlumX Metrics

2000SH22      Phys.Rev. C62, 014302 (2000)

G.Shanmugam, V.Selvam

Shape Transitions in Hot Rotating Strontium and Zirconium Isotopes

NUCLEAR STRUCTURE ⁸⁴Zr; calculated pairing gap parameter vs temperature and spin. ⁸⁴Sr; calculated moment of inertia vs temperature and spin. ⁷⁶Sr, ⁸⁰Zr; calculated deformation vs temperature and spin. Landau theory of phase transitions.

doi: 10.1103/PhysRevC.62.014302
Citations: PlumX Metrics

1999SH44      Pramana 53, 443 (1999)

G.Shanmugam, G.M.C.Vigila Bai

Distinction between Pre-Formed Cluster Emission and Heavy Ion Decay by Fission

doi: 10.1007/s12043-999-0012-0
Citations: PlumX Metrics

1999SH45      Pramana 53, 457 (1999)

G.Shanmugam, V.Ramasubramanian, P.Arumugam

Rotational Co-Existence in Selenium Isotopes

NUCLEAR STRUCTURE ^72,73,74Se; calculated rotational bands energies; deduced shape coexistence features. Cranked Nilsson-Strutinsky approach.

doi: 10.1007/s12043-999-0015-x
Citations: PlumX Metrics

1999SH48      Pramana 53, 635 (1999)

G.Shanmugam

Cubic Potential Models for Cluster Radioactivity

doi: 10.1007/s12043-999-0042-7
Citations: PlumX Metrics

1995SH16      Phys.Rev. C51, 2616 (1995)

G.Shanmugam, G.M.C.Vigila Bai, B.Kamalaharan

Cluster Radioactivities from an Island of Cluster Emitters

RADIOACTIVITY ^{114,115,116,117,118,119,120}Ba, ^120,121La(α), (¹²C); ^{118,120,121,122,123,124}Ce(α)(¹⁶O); ^122,123Nd(α), (¹⁶O); ¹²⁵Nd, ^127,128Sm(α), (²⁸Si); calculated α-, cluster-decay T_1/2. Cube potential in overlapping region.

doi: 10.1103/PhysRevC.51.2616
Citations: PlumX Metrics

1995SH26      Phys.Rev. C52, 1443 (1995)

G.Shanmugam, K.Sankar, K.Ramamurthi

Structure of Hot Rotating s-d Shell Nuclei

NUCLEAR STRUCTURE ²⁰Ne, ²⁸Si, ²⁴Mg, ⁴⁰Ca; calculated shape evolution vs temperature with, without thermal fluctuations. Hot rotating nuclei, Landau phase transition theory.

doi: 10.1103/PhysRevC.52.1443
Citations: PlumX Metrics

1990SH01      Phys.Rev. C41, 1184 (1990)

G.Shanmugam, B.Kamalaharan

Role of Deformation in Exotic Decay Studies

RADIOACTIVITY ²²¹Fr, ^{221,222,223,224,226}Ra(¹⁴C); ²³⁰Th, ²³¹Pa, ^232,233,234U(²⁴Ne); ²²²Th, ²³⁴U(²⁶Ne); ²³⁴U, ²³⁸Pu(²⁸Mg); ²³⁷Np, ²³⁸Pu(³⁰Mg); ²³⁸Pu(³²Si); ²⁴¹Am(³⁴Si); calculated T_1/2 relative to α-decay; deduced deformation role. Yukawa-plus-exponential potential.

doi: 10.1103/PhysRevC.41.1184
Citations: PlumX Metrics

1990SH06      Phys.Rev. C41, 1742 (1990)

G.Shanmugam, B.Kamalaharan

Exotic Decay Model and Alpha Decay Studies

NUCLEAR STRUCTURE A=152-242; calculated exotic decay characteristics, T_1/2, charge to mass ratio.

doi: 10.1103/PhysRevC.41.1742
Citations: PlumX Metrics

1989SH12      Phys.Rev. C39, 1623 (1989)

G.Shanmugam, M.Thiagasundaram

Isovector Giant Dipole Resonance in Hot Rotating Light Nuclei in the Calcium Region

NUCLEAR STRUCTURE ^40,42Ca, ⁴⁶Ti; calculated isovector GDR energy vs temperature. Hot rotating nuclei.

doi: 10.1103/PhysRevC.39.1623
Citations: PlumX Metrics

1989SH22      Phys.Rev. C40, 1273 (1989)

G.Shanmugam, M.D.Padmini

Nuclear Molecular Configurations in Heavy Ion Collisions

NUCLEAR REACTIONS ¹²C(¹²C, X), ²⁸Si(²⁸Si, X), ²⁴Mg(²⁴Mg, X), ⁴⁰Ca(⁴⁰Ca, X), ⁴He(²⁴Mg, X), (¹⁴C, X), ¹⁶O(¹²C, X), E not given; calculated molecular configuration energy vs neck diameter. Compound nuclei, rotating liquid drop, model parametrization.

doi: 10.1103/PhysRevC.40.1273
Citations: PlumX Metrics

1988SH04      Phys.Rev. C37, 853 (1988)

G.Shanmugam, M.Thiagasundaram

Effect of Rotation on the Isovector Giant Dipole Resonance in Certain Calcium Isotopes

NUCLEAR STRUCTURE ^40,42,43,44Ca; calculated isovector GDR properties; deduced rotation effects.

NUCLEAR REACTIONS ^40,42,43,44Ca(γ, X), E=15-35 MeV; calculated photoabsorption σ(E); deduced rotation effects.

doi: 10.1103/PhysRevC.37.853
Citations: PlumX Metrics

1988SH29      Phys.Rev. C38, 1377 (1988)

G.Shanmugam, B.Kamalaharan

Application of a Cubic Barrier in Exotic Decay Studies

RADIOACTIVITY ²²¹Fr, ^{221,222,223,224,226}Ra, ²²⁵Ac(¹⁴C); ²³¹Pa, ^232,233U(²⁴Ne); calculated T_1/2 relative to α-decay. Cubic barrier method.

doi: 10.1103/PhysRevC.38.1377
Citations: PlumX Metrics

1986SH19      Phys.Rev. C34, 317 (1986)

G.Shanmugam, K.Ramamurthi, B.Kamalaharan

Giant Quadrupole Resonance in Rotating Light Nuclei in the Calcium Region

NUCLEAR STRUCTURE ^43,40Ca, ³⁶S, ⁴⁰Ar; calculated vibrational spectrum parameter dependence. Fermi liquid drop model.

doi: 10.1103/PhysRevC.34.317
Citations: PlumX Metrics

1982SH09      Phys.Scr. 25, 607 (1982)

G.Shanmugam, V.Devanathan

Yrast Lines and Fusion Bands of ^40,42Ca and ⁴⁶Ti

NUCLEAR STRUCTURE ^40,42Ca, ⁴⁶Ti; calculated yrast lines; deduced relative position to fusion bands. Microscopic Mottelson-Nilsson method.

doi: 10.1088/0031-8949/25/5/005
Citations: PlumX Metrics

1981SH14      Phys.Scr. 24, 17 (1981)

G.Shanmugam, V.Devanathan

Application of the Mottelson-Nilsson Method for the Study of Yrast Traps in Light Nuclei

NUCLEAR STRUCTURE ³⁶S, ⁴⁰Ar, ⁴⁴Ca; calculated ground state energy vs deformation parameters, yrast lines; deduced equilibrium shapes. Microscopic Mottelson-Nilsson model, cranked triaxial Hamiltonian.

doi: 10.1088/0031-8949/24/1A/003
Citations: PlumX Metrics