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NSR database version of April 29, 2024.

Search: Author = C.S.Shastry

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2010PR10      Int.J.Mod.Phys. E19, 2033 (2010)

P.Prema, S.Mahadevan, C.S.Shastry, Y.K.Gambhir

S-matrix-based unified calculation of Q-values and half-lives of α-decay of super heavy elements

RADIOACTIVITY ²⁷¹Sg, ^262,272Bh, ^267,269Hs, ^266,275,276Mt, ²⁷³Ds, ^279,280Rg, ²⁸³Cn, ²⁸⁴Nh, ^{285,286,287,288,289}Fl, ^290,291,292Lv, ²⁹⁴Og(α); calculated Q-values, T_1/2. RMF theory, S-matrix method.

doi: 10.1142/S0218301310016491
Citations: PlumX Metrics

2008PR06      Int.J.Mod.Phys. E17, 611 (2008)

P.Prema, S.Mahadevan, C.S.Shastry, A.Bhagwat, Y.K.Gambhir

Study of alpha decay of super heavy elements using S-matrix and WKB methods

doi: 10.1142/S0218301308010039
Citations: PlumX Metrics

2008SA06      Phys.Rev. C 77, 024604 (2008)

B.Sahu, G.S.Mallick, B.B.Sahu, S.K.Agarwalla, C.S.Shastry

Unified description of scattering and fusion phenomena in heavy-ion collisions

NUCLEAR REACTIONS ²⁰⁸Pb(¹²C, X), E(cm)=50-110 MeV; ²⁰⁸Pb(¹⁶O, X), E=55-95 MeV; calculated scattering and fusion cross sections.

doi: 10.1103/PhysRevC.77.024604
Citations: PlumX Metrics

2006AG01      J.Phys.(London) G32, 165 (2006)

S.K.Agarwalla, G.S.Mallik, P.Prema, S.Mahadevan, B.Sahu, C.S.Shastry

Analysis of ¹⁶O + ²⁸Si elastic scattering in the laboratory energy range 50.0 MeV to 142.5 MeV

NUCLEAR REACTIONS ²⁸Si(¹⁶O, ¹⁶O), E=50.0-142.5 MeV; analyzed σ(θ); deduced enhanced back-angle oscillations. Phenomenological potential, comparison with Woods-Saxon approach.

doi: 10.1088/0954-3899/32/2/008
Citations: PlumX Metrics

2006MA33      Phys.Rev. C 73, 054606 (2006)

G.S.Mallick, S.K.Agarwalla, B.Sahu, C.S.Shastry

Analysis of elastic scattering of ¹⁶O+²⁸Si and ¹²C+²⁴Mg by a new optical potential

NUCLEAR REACTIONS ²⁸Si(¹⁶O, ¹⁶O), E(cm)=18.7-90.7 MeV; ²⁴Mg(¹²C, ¹²C), E(cm)=10.7-16.0 MeV; calculated σ(θ). Phenomenological optical potential, comparison with data.

doi: 10.1103/PhysRevC.73.054606
Citations: PlumX Metrics

2006MA78      Phys.Rev. C 74, 057601 (2006)

S.Mahadevan, P.Prema, C.S.Shastry, Y.K.Gambhir

Comparison of S-matrix and WKB methods for half-width calculations

RADIOACTIVITY ²⁵³Fm, ²⁵⁷No, ²⁶¹Rf, ²⁶⁵Sg, ²⁶⁹Hs, ²⁷³Ds(α); calculated Qα, T_1/2. S-matrix and WKB methods compared with data.

doi: 10.1103/PhysRevC.74.057601
Citations: PlumX Metrics

2003SA01      Nucl.Phys. A713, 45 (2003)

B.Sahu, S.K.Agarwalla, C.S.Shastry

Fusion barrier distribution described by above-barrier resonances

NUCLEAR REACTIONS ¹⁴⁴Sm, ²⁰⁸Pb(¹⁶O, X), E(cm) ≈ 54-92 MeV; calculated fusion σ, barrier distributions, above-barrier resonance contributions. Comparisons with data.

doi: 10.1016/S0375-9474(02)01289-7
Citations: PlumX Metrics

2003SA39      Pramana 61, 51 (2003)

B.Sahu, S.K.Agarwalla, C.S.Shastry

Fusion, resonances and scattering in ¹²C + ¹²C reaction

NUCLEAR REACTIONS ¹²C(¹²C, X), E(cm)=7-35 MeV; calculated fusion σ, resonance features. ¹²C(¹²C, X), E(cm)=2-7 MeV; calculated astrophysical S-factors. ¹²C(¹²C, ¹²C), E(cm)=6, 7, 8, 9 MeV; calculated elastic σ(θ). Optical model potential, comparisons with data.

doi: 10.1007/BF02704510
Citations: PlumX Metrics

1999SA41      J.Phys.(London) G25, 1909 (1999)

B.Sahu, C.S.Shastry

Asymmetric Parabolic Effective Barrier Model for Heavy Ion Fusion and Its Relation to Coupled Channel Effects

NUCLEAR REACTIONS ^144,152Sm(¹⁶O, X), E(cm)=50-75 MeV; ^46,48,50Ti(⁴⁰Ca, X), E(cm)=50-85 MeV; ⁶⁴Ni(⁵⁸Ni, X), E(cm)=90-115 MeV; ⁹²Zr(⁶⁴Ni, X), E(cm)=120-150 MeV; calculated fusion σ, spin distributions, barrier distributions. Asymmetric parabolic effective barrier model. Comparisons with data.

doi: 10.1088/0954-3899/25/9/310
Citations: PlumX Metrics

1999SA63      Pramana 53, 545 (1999)

B.Sahu, C.S.Shastry

Asymmetric Barrier Model for Heavy Ion Fusion and Its Relation to Channel Coupling

NUCLEAR REACTIONS ^46,48,50Ti(⁴⁰Ca, X), E=100-150 MeV; analyzed fusion σ, barrier distributions. Asymmetric parabolic effective barrier.

doi: 10.1007/s12043-999-0028-5
Citations: PlumX Metrics

1998JA02      Phys.Rev. C57, 1000 (1998)

I.Jamir, E.F.P.Lyngdoh, C.S.Shastry

α-Nucleus Scattering in Angular Momentum Space

NUCLEAR REACTIONS ⁴⁰Ca(α, α), E=29 MeV; analyzed data; deduced anomalous large angle scattering mechanism.

doi: 10.1103/PhysRevC.57.1000
Citations: PlumX Metrics

1998JA11      Pramana 50, 271 (1998)

I.Jamir, E.F.P.Lyngdoh, C.S.Shastry

Correlation between Zeroes and Poles of S Matrix for Complex Potentials

doi: 10.1007/BF02845549
Citations: PlumX Metrics

1998SA13      Phys.Rev. C57, 1853 (1998)

B.Sahu, I.Jamir, E.F.P.Lyngdoh, C.S.Shastry

Fusion Under a Complex Barrier

NUCLEAR REACTIONS ^152,154Sm(¹⁶O, X), E(cm)=53-73 MeV; ^58,64Ni(⁶⁴Ni, X), ⁵⁸Ni(⁵⁸Ni, X), E(cm)=90-110 MeV; ⁹²Zr, ¹⁰⁰Mo(⁶⁴Ni, X), E(cm)=120-160 MeV; calculated fusion σ, average angular momenta. Effective fusion barrier model. Comparison with data.

doi: 10.1103/PhysRevC.57.1853
Citations: PlumX Metrics

1997JA07      Pramana 48, 825 (1997)

I.Jamir, E.F.P.Lyngdoh, C.S.Shastry

Algebraic Expressions for Effective Potential Characteristic Parameters in Heavy Ion Scattering

NUCLEAR REACTIONS ^148,152,154Sm, ²⁰⁸Pb, ¹⁴⁴Nd(¹⁶O, ¹⁶O), ^58,62Ni(³²S, ³²S), ¹²³Sb(³⁷Cl, ³⁷Cl), ¹²²Sn(⁴⁰Ar, ⁴⁰Ar), ^40,44Ca(⁴⁰Ca, ⁴⁰Ca), ¹⁸O, ^58,64Ni, ¹²⁴Sn(⁵⁸Ni, ⁵⁸Ni), ⁹⁶Zr, ¹¹⁸Sn(⁶⁴Ni, ⁶⁴Ni), ⁸⁰Se(⁸⁰Se, ⁸⁰Se), ^90,94Zr, ⁹⁴Mo, ¹⁰⁴Ru(⁸¹Br, ⁸¹Br), E not given; calculated barrier, pocket position, l(poc), effective potential parameter characteristics. Algebraic expressions, optical model, Woods-Saxon form factors.

doi: 10.1007/BF02845616
Citations: PlumX Metrics

1997SA63      Z.Phys. A359, 407 (1997)

B.Sahu, C.S.Shastry

Roles of Survival Probability and Barrier Reduction in Heavy Ion Fusion Induced by Break Up

NUCLEAR REACTIONS ²⁹Si(⁹Be, X), E(cm)=10-30 MeV; ¹⁵⁰Sm(¹¹Li, X), E(cm)=15-25 MeV; calculated fusion σ; deduced neutron separation energy dependence, breakup process role. Effective fusion barrier transmission model.

doi: 10.1007/s002180050421
Citations: PlumX Metrics

1996SA29      J.Phys.(London) G22, 1483 (1996)

B.Sahu, C.S.Shastry

Cross Section, Spin Distribution and Mean Spin Analysis of Low-Energy Heavy-Ion Fusion by Closed Formulae

doi: 10.1088/0954-3899/22/10/011
Citations: PlumX Metrics

1994SU14      J.Phys.(London) G20, 1243 (1994)

P.Susan, B.Sahu, B.M.Jyrwa, C.S.Shastry

Pocket and Barrier Resonances in Potenital Scattering and Their Application to Heavy-Ion Reactions

NUCLEAR REACTIONS ¹⁶O(¹⁶O, X), E not given; analyzed resonance data. Barrier region resonance model.

doi: 10.1088/0954-3899/20/8/015
Citations: PlumX Metrics

1994SU20      Phys.Rev. C50, 2955 (1994)

P.Susan, C.S.Shastry, Y.K.Gambhir

Salient Features of Scattering Amplitudes in Intermediate Energy Nucleon-Nucleus Scattering

NUCLEAR REACTIONS ⁴⁰Ca(p, p), E=181, 362 MeV; calculated phase shift vs l; deduced regionwise contribution to reaction σ. Potential scattering framework.

doi: 10.1103/PhysRevC.50.2955
Citations: PlumX Metrics

1991DE03      Nuovo Cim. 104A, 139 (1991)

B.Dey, C.S.Shastry

Closed-Formalism Approach to Antiproton-Nucleus Scattering

NUCLEAR REACTIONS ¹²C(p-bar, p-bar), E=46.8, 180 MeV; ²⁰⁸Pb, ⁴⁰Ca(p-bar, p-bar), E=46.8 MeV; analyzed σ(θ). Parametrized S-matrix approach.

doi: 10.1007/BF02910871
Citations: PlumX Metrics

1991SA29      Phys.Rev. C44, 2729 (1991)

B.Sahu, B.M.Jyrwa, P.Susan, C.S.Shastry

Barrier Region Resonance Model for Heavy Ion Resonances

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C), (¹⁶O, ¹⁶O), E not given; calculated resonances energy vs resonance number; deduced nucleus-nucleus potential barrier, effective potential relationship. S-matrix approach.

doi: 10.1103/PhysRevC.44.2729
Citations: PlumX Metrics

1990ME02      Phys.Rev. C41, 1031 (1990)

V.J.Menon, S.N.Mukherjee, C.S.Shastry, B.Sahu

Analytically Soluble Model for Fusion Time

NUCLEAR REACTIONS ¹²⁴Sn(⁵⁸Ni, X), E=168.25-202.84 MeV; ⁹⁰Zr(⁸¹Br, X), ¹²²Sn(⁴⁰Ar, X), ⁶⁴Ni(⁵⁸Ni, X), E not given; calculated fusion time vs energy. Analytical model.

doi: 10.1103/PhysRevC.41.1031
Citations: PlumX Metrics

1990SA03      J.Phys.(London) G16, 55 (1990)

B.Sahu, C.S.Shastry

Effective Fusion Barrier Transmission Model for Fusion at Higher Energies

NUCLEAR REACTIONS ⁴⁰Ca(¹⁶O, X), E(cm) ≈ 30-100 MeV; ²⁷Al(¹⁶O, X), E ≈ 13-100 MeV; calculated fusion σ(E). Effective fusion barrier transmission model.

doi: 10.1088/0954-3899/16/1/009
Citations: PlumX Metrics

1989SA16      J.Phys.(London) G15, L149 (1989)

B.Sahu, C.S.Shastry

Effective Fusion Barrier Transmission Model for Heavy-Ion Fusion

NUCLEAR REACTIONS ^148,154Sm(¹⁶O, X), E=53-65 MeV; ²⁰⁸Pb(¹⁶O, X), E=70-95 MeV; ¹²²Sn(⁴⁰Ar, X), E=97-119 MeV; ⁴⁰Ca(⁴⁰Ca, X), 48-68 MeV; ⁴⁴Ca(⁴⁰Ca, X), E=48-66 MeV; ⁵⁸Ni(⁵⁸Ni, X), E=92-109 MeV; ⁶⁴Ni(⁵⁸Ni, X), E=89-113 MeV; ¹²⁴Sn(⁵⁸Ni, X), E=156-199 MeV; ⁹⁰Zr(⁸¹Br, X), E=148-178 MeV; ⁹⁶Mo(⁸¹Br, X), E=155-181 MeV; ¹⁰⁴Ru(⁸¹Br, X), E=160-184 MeV; calculated fusion σ(E). Effective fusion barrier transmission model.

doi: 10.1088/0954-3899/15/8/002
Citations: PlumX Metrics

1988DE40      Pramana 31, 173 (1988)

B.Dey, C.S.Shastry, T.K.Roy

Semi-Classical Approach to Antiproton-Nucleus Scattering

NUCLEAR REACTIONS ⁵⁸Ni(¹⁸O, ¹⁸O), E=60 MeV; ¹²C, ⁴⁰Ca(p-bar, p-bar), E=46.8 MeV; calculated effective potential parameters, σ(θ).

doi: 10.1007/BF02848804
Citations: PlumX Metrics

1988SA25      Phys.Rev. C38, 1262 (1988)

B.Sahu, C.S.Shastry

Estimation of Fusion Time in Heavy-Ion Collisions

NUCLEAR REACTIONS ²⁰⁸Pb, ¹⁴⁸Sm(¹⁶O, X), ¹²²Sn(⁴⁰Ar, X), ⁴⁰Ca(⁴⁰Ca, X), ¹²⁴Sn, ^58,64Ni(⁵⁸Ni, X), ¹¹⁸Sn(⁶⁴Ni, X), ⁹⁰Zr(⁸¹Br, X), E not given; calculated fusion time. Classical Coulomb, Coulomb-nuclear trajectories.

doi: 10.1103/PhysRevC.38.1262
Citations: PlumX Metrics

1984GA28      Phys.Rev. C30, 1343 (1984)

Y.K.Gambhir, C.S.Shastry

Closed Form S Matrix in Terms of Matter Distributions and Nucleon-Nucleon Interaction for Heavy Ion Scattering

NUCLEAR REACTIONS ⁵⁸Ni(¹⁸O, ¹⁸O), E=60 MeV; calculated phase shifts, reflection function. Analytic S-matrix approach, folding model nucleon-nucleon interaction.

doi: 10.1103/PhysRevC.30.1343
Citations: PlumX Metrics

1984PA06      Phys.Rev. C29, 1552 (1984)

I.Parija, R.K.Satpathy, C.S.Shastry

Orbiting Mechanism in α - ⁴⁰Ca Scattering

NUCLEAR REACTIONS ⁴⁰Ca(α, α), E=27-54 MeV; calculated σ(θ). Orbiting phenomena, anomalous large angle scattering.

doi: 10.1103/PhysRevC.29.1552
Citations: PlumX Metrics

1984SH36      Pramana 23, 175 (1984)

C.S.Shastry, Y.K.Gambhir

Regionwise Absorption in Nuclear Optical Model

NUCLEAR REACTIONS ²⁰⁹Bi(n, n), E=7, 14.6 MeV; ⁶⁰Ni(p, p), E=5.25, 6.8 MeV; ²⁷Al(α, α), E=28 MeV; ¹²C(⁶Li, ⁶Li), E=5.8, 59.8 MeV; ⁵⁸Ni(¹⁸O, ¹⁸O), E=60 MeV; calculated reaction σ. Regionwise absorption, optical model.

1983SH08      Phys.Rev. C27, 2042 (1983)

C.S.Shastry, I.Parija

Orbiting Phenomenon in ¹⁶O-²⁸Si Scattering

NUCLEAR REACTIONS ²⁸Si(¹⁶O, ¹⁶O), E=55 MeV; analyzed σ(θ), effective potentials; deduced orbiting phenomena.

doi: 10.1103/PhysRevC.27.2042
Citations: PlumX Metrics

1983SH24      Phys.Rev. C28, 1109 (1983)

C.S.Shastry, Y.K.Gambhir

Sensitivity of Phase Shifts to the Optical Potentials in Heavy Ion Scattering

NUCLEAR REACTIONS ⁵⁸Ni(¹⁸O, ¹⁸O), E=60 MeV; ²⁷Al(α, α), E=28 MeV; ¹²C(⁶Li, ⁶Li), E=5.8, 59.8 MeV; analyzed optical potential characteristics; deduced Coulomb potential, colliding nuclear masses, sizes role in potential ambitguities. S-matrix approach.

doi: 10.1103/PhysRevC.28.1109
Citations: PlumX Metrics

1982SH18      J.Phys.(London) G8, 1431 (1982)

C.S.Shastry

Investigations in Closed Formalism and the Optical Model in Heavy-Ion Scattering

NUCLEAR REACTIONS ⁶²Ni(¹⁸O, ¹⁸O), E=63 MeV; calculated reflection function vs (L). ⁵⁸Ni(¹⁶O, ¹⁶O), E=60 MeV; calculated phase shifts vs (L). Optical model, closed form expressions.

doi: 10.1088/0305-4616/8/10/013
Citations: PlumX Metrics

1979JA08      Phys.Rev. C19, 848 (1979)

A.K.Jain, C.S.Shastry

Optical Potential for Nucleus-Nucleus Systems

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C), E=102.1 MeV; calculated σ(θ). Double-folding model, realistic electrostatic potentials.

doi: 10.1103/PhysRevC.19.848
Citations: PlumX Metrics

1977GU04      Phys.Rev. C15, 1244 (1977); Erratum Phys.Rev. C16, 2458 (1977)

M.C.Gupta, C.S.Shastry

R-Matrix Analysis of Neutron Scattering from ⁶Li

NUCLEAR REACTIONS ⁶Li(n, n), (n, X), E=0-5 MeV; calculated total σ(E), polarization.

doi: 10.1103/PhysRevC.15.1244
Citations: PlumX Metrics

1975JA14      Phys.Rev. C12, 801 (1975)

A.K.Jain, M.C.Gupta, C.S.Shastry

Electrostatic Potentials for Nucleus-Nucleus Optical Model

NUCLEAR REACTIONS ^6,7Li, ¹⁶O, ⁴⁰Ca, ¹⁹⁷Au(p, p); calculated charge distribution parameters.

doi: 10.1103/PhysRevC.12.801
Citations: PlumX Metrics

1975MA50      Indian J.Pure Appl.Phys. 13, 169 (1975)

P.R.Marwadi, C.S.Shastry

Realistic Nuclear Charge Distribution and the Proton Optical Potential

NUCLEAR REACTIONS ¹²C, ¹⁶O, ⁴⁰Ca, ⁵⁸Ni, ¹⁹⁷Au, ²⁰⁹Bi(p, p); calculated charge distribution, optical potential.

Note: The following list of authors and aliases matches the search parameter C.S.Shastry: C.S.SASTRY, C.S.SHASTRY