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NSR database version of April 27, 2024.

Search: Author = S.V.Sastry

Found 15 matches.

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2005SA19      Pramana 64, 47 (2005)

S.V.S.Sastry, S.Kailas, A.K.Mohanty, A.Saxena

Adiabatic heavy-ion fusion potentials for fusion at deep sub-barrier energies

NUCLEAR REACTIONS ^58,62,64Ni(²⁸Si, X), ^58,64Ni(³²S, X), (⁵⁸Ni, X), ^58,64Ni, ^90,96Zr(³⁶S, X), ^112,116,122Sn, ^144,148,154Sm(⁴⁰Ar, X), ⁹⁰Zr, ⁹³Nb(⁴⁶Ti, X), (⁵⁰Ti, X), ⁶⁴Ni, ¹⁰⁰Mo(⁶⁴Ni, X), ⁸⁹Y(⁶⁰Ni, X), ^70,76Ge(⁸⁶Kr, X), E not given; calculated fusion barrier parameters. ⁵⁸Ni(⁵⁸Ni, X), E(cm) ≈ 90-110 MeV; ⁸⁹Y(⁶⁰Ni, X), E(cm) ≈ 120-140 MeV; calculated fusion excitation functions. Barrier penetration model.

doi: 10.1007/BF02704529
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2003DU14      Pramana 60, 1079 (2003)

D.Dutta, S.V.S.Sastry, A.K.Mohanty, K.Kumar, R.K.Choudhury

Photon production from quark gluon plasma at finite baryon density

NUCLEAR REACTIONS Pb(Pb, X), E=high; analyzed photon yields, sensitivity to baryon density.

doi: 10.1007/BF02707034
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2003SA14      Phys.Rev. C 67, 041901 (2003)

S.V.S.Sastry

Empirical emission functions for Landau-Pomeranchuk-Migdal suppression of photon emission from quark-gluon plasmas

doi: 10.1103/PhysRevC.67.041901
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2002DU17      Nucl.Phys. A710, 415 (2002)

D.Dutta, S.V.S.Sastry, A.K.Mohanty, K.Kumar

Hard photon production from unsaturated quark-gluon plasma at two-loop level

doi: 10.1016/S0375-9474(02)01166-1
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2000SA38      Phys.Rev. C62, 037602 (2000)

S.V.S.Sastry

Absorption Matrix for Fusion in Coupled Reaction Channel Calculations

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁶O, X), E=74-96 MeV; calculated fusion σ(J). Phase shift, absorption matrix methods compared.

doi: 10.1103/PhysRevC.62.037602
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2000SA46      Pramana 54, 813 (2000)

S.V.S.Sastry, S.Santra

Structure Information from Fusion Barriers

NUCLEAR REACTIONS ¹⁴⁴Sm(¹⁶O, X), (¹⁶O, ¹⁶O'), E(cm)=55-70 MeV; ²⁰⁸Pb(¹⁶O, X), (¹⁶O, ¹⁶O'), E(cm)=70-95 MeV; calculated fusion, inelastic, reaction σ, fusion barrier distributions; deduced ambiguous structure information. Coupled channels approach.

doi: 10.1007/s12043-000-0177-z
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2000SA56      Int.J.Mod.Phys. E9, 507 (2000)

S.V.S.Sastry, A.K.Jain, Y.K.Gambhir

Two-Oscillator Basis Expansion for the Solution of Relativistic Mean Field Equations

NUCLEAR STRUCTURE ¹⁶O, ⁵⁶Ni, ¹⁰⁰Sn, ²⁰⁸Pb; calculated binding energies, radii, density distributions. Relativistic mean field, two-oscillator basis.

doi: 10.1142/S0218301300000374
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1998SA56      Phys.Rev. C58, 3753 (1998)

S.V.S.Sastry

Transfer Couplings in Heavy Ion Reactions

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁶O, X), E=78-96 MeV; calculated reaction σ, transfer, fusion channels σ; deduced transfer channels contributions.

doi: 10.1103/PhysRevC.58.3753
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1997SA44      Phys.Rev. C56, 1516 (1997)

S.V.S.Sastry, A.K.Mohanty, S.K.Kataria

Effect of Nonlocality on Sub-Barrier Fusion Enhancement

NUCLEAR REACTIONS, ICPND ¹⁵⁴Sm(¹⁶O, X), E(cm)=40-80 MeV; ¹⁵⁴Sm(²⁸Si, X), E(cm)=80-160 MeV; ⁶⁴Ni(⁵⁸Ni, X), E(cm)=80-110 MeV; ²³²Th(¹⁹F, X), E(cm)=50-130 MeV; analyzed fusion σ, average spin using several models; deduced no fusion enhancement with barrier penetration model plus nonlocal potential.

doi: 10.1103/PhysRevC.56.1516
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1996SA35      Phys.Rev. C54, 3286 (1996)

S.V.S.Sastry, S.K.Kataria, A.K.Mohanty, I.J.Thompson

Optical Model Approach for Heavy Ion Fusion

NUCLEAR REACTIONS, ICPND ²⁰⁸Pb(¹⁶O, ¹⁶O), (¹⁶O, X), E=80-102 MeV; calculated reaction, fusion σ(E); deduced WKB transmission, optical model approaches differences related features. Coupled reaction channels method.

doi: 10.1103/PhysRevC.54.3286
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1995SA53      Pramana 44, 153 (1995)

S.V.S.Sastry, A.K.Mohanty, S.K.Kataria

A New Approach for Heavy Ion Fusion Spin Distribution

NUCLEAR REACTIONS ¹³⁰Te(³²S, ³²S), E=108, 128 MeV; calculated σ(θ). ¹⁵²Sm(¹⁶O, X), E=72 MeV; ²⁰⁸Pb(¹⁶O, X), E=80, 90 MeV; ²³²Th(¹⁶O, X), E=83, 105 MeV; calculated σ vs L. ²³²Th(¹⁶O, X), E=80-107 MeV; calculated fusion, reaction σ(E).

doi: 10.1007/BF02847695
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1993SA53      Pramana 41, 525 (1993)

S.V.S.Sastry, A.K.Mohanty, S.K.Kataria

L-Dependent Heavy Ion Fusion Potentials

NUCLEAR REACTIONS, ICPND ²⁰⁸Pb(¹⁶O, X), E=82-90 MeV; calculated fusion optical potential diffuseness parameter vs l, interaction barrier. ⁶⁴Ni(⁵⁸Ni, X), E(cm)=88-108 MeV; calculated fusion σ(E). Heavy ion l-dependent fusion potentials, other reactions, aspects studied.

doi: 10.1007/BF02875101
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1992MO19      Phys.Rev. C46, 2012 (1992)

A.K.Mohanty, S.V.S.Sastry, S.K.Kataria, V.S.Ramamurthy

Experimental Determination of Energy-Dependent Barriers for Fusion

NUCLEAR REACTIONS, ICPND ¹⁵⁴Sm(¹⁶O, X), ⁵⁹Co(³⁷Cl, X), E(cm)=55-70 MeV; analyzed fusion, average angular momentum vs σ(E). Energy dependent barrier penetration model, other reactions studied.

doi: 10.1103/PhysRevC.46.2012
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1990MO19      Phys.Rev.Lett. 65, 1096 (1990)

A.K.Mohanty, S.V.S.Sastry, S.K.Kataria, V.S.Ramamurthy

Use of an Energy-Dependent Barrier for Heavy-Ion Fusion

NUCLEAR REACTIONS, ICPND ¹²²Sn(⁴⁰Ar, X), E(cm)=101-109 MeV; calculated fusion σ(E); deduced energy dependent barrier role. Full dynamical coupled-channels model.

doi: 10.1103/PhysRevLett.65.1096
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1990MO28      Phys.Lett. 247B, 215 (1990)

A.K.Mohanty, S.V.S.Sastry, S.K.Kataria, S.Kailas, V.S.Ramamurthy

A New Optical Model Approach for Heavy Ion Fusion

NUCLEAR REACTIONS, ICPND ²⁰⁸Pb(¹⁶O, X), E ≈ 76-112 MeV; calculated fusion σ(E). Optical model, energy dependent imaginary potential.

doi: 10.1016/0370-2693(90)90884-9
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