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NSR database version of May 3, 2024.

Search: Author = G.Ramachandran

Found 33 matches.

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2013SH26      Int.J.Mod.Phys. E22, 1350030 (2013)

S.P.Shilpashree, S.Sirsi, G.Ramachandran

Photodisintegration of aligned deuterons at astrophysical energies using linearly polarized photons

NUCLEAR REACTIONS 2H(polarized γ, n), E=2.33-2.79 MeV; calculated σ(θ), photodisintegration reaction parameters. Comparison with experimental data.

doi: 10.1142/S0218301313500304
Citations: PlumX Metrics

2010RA04      Phys.Rev. C 81, 027601 (2010)

G.Ramachandran, Venkataraya, J.Balasubramanyam

Final state polarization of protons in pp → ppω

doi: 10.1103/PhysRevC.81.027601
Citations: PlumX Metrics

2010RA11      Phys.Rev. C 81, 067601 (2010)

G.Ramachandran, G.Padmanabha, S.Thomas

Phase ambiguity of the threshold amplitude in pp → ppπ0

doi: 10.1103/PhysRevC.81.067601
Citations: PlumX Metrics

2008BA28      Phys.Rev. C 78, 012201 (2008)

J.Balasubramanyam, Venkataraya, G.Ramachandran

ω meson production in pp collisions with a polarized beam

doi: 10.1103/PhysRevC.78.012201
Citations: PlumX Metrics

2007RA03      J.Phys.(London) G34, 661 (2007)

G.Ramachandran, J.Balasubramanyam, S.P.Shilpashree, G.Padmanabha

Tensor polarization of ω produced at threshold in p-p collisions

NUCLEAR REACTIONS 1H(p, pX), E ≈ threshold; calculated ω meson tensor polarization.

doi: 10.1088/0954-3899/34/4/005
Citations: PlumX Metrics

2007RA13      Phys.Rev. C 75, 065201 (2007)

G.Ramachandran, M.S.Vidya, J.Balasubramanyam

Irreducible tensor approach to spin observables in the photoproduction of mesons with arbitrary spin-parity sπ

doi: 10.1103/PhysRevC.75.065201
Citations: PlumX Metrics

2006RA09      J.Phys.(London) G32, B17 (2006)

G.Ramachandran, Y.Y.Oo, S.P.Shilpashree

Photodisintegration of polarized deuterons at astrophysical energies

NUCLEAR REACTIONS 2H(γ, n), E < 2.5 MeV; calculated σ(θ), target analyzing power, sensitivity to isoscalar multipole amplitudes.

doi: 10.1088/0954-3899/32/5/B03
Citations: PlumX Metrics

2006RA26      Phys.Rev. C 74, 052801 (2006)

G.Ramachandran, S.P.Shilpashree

Deuteron photodisintegration with polarized photons at astrophysical energies

NUCLEAR REACTIONS 2H(polarized γ, np), E ≈ 2-4 MeV; calculated σ(θ), isoscalar M1 contribution.

doi: 10.1103/PhysRevC.74.052801
Citations: PlumX Metrics

2005RA25      Phys.Rev. C 72, 031001 (2005)

G.Ramachandran, M.S.Vidya, P.N.Deepak, J.Balasubramanyam, Venkataraya

ω production in pp collisions

NUCLEAR REACTIONS 1H(p, pX), (polarized p, pX), E not given; calculated ω-meson production associated tensor amplitudes, partial wave contributions, analyzing powers, related features.

doi: 10.1103/PhysRevC.72.031001
Citations: PlumX Metrics

2003RA20      J.Phys.(London) G29, L45 (2003)

G.Ramachandran, P.N.Deepak, S.P.Kumar

Photon polarization in np fusion

NUCLEAR REACTIONS 1H(n, γ), E not given; calculated photon polarization. Model-independent irreducible tensor formalism.

doi: 10.1088/0954-3899/29/6/101
Citations: PlumX Metrics

2002DE04      Phys.Rev. C65, 027601 (2002)

P.N.Deepak, G.Ramachandran

Singlet and Triplet Differential Cross Sections for pp → ppπ0

NUCLEAR REACTIONS 1H(polarized p, pπ0), E=325, 350, 375, 400 MeV; analyzed σ, σ(E, θ); deduced singlet and triplet components.

doi: 10.1103/PhysRevC.65.027601
Citations: PlumX Metrics

2001RA06      Phys.Rev. C63, 034604 (2001)

G.Ramachandran, M.S.Vidya, A.S.Rao

Noncentral Interactions in Inelastic Scattering of Nucleons on Nuclei: The case of 12C(p, p')12C*(1+)

NUCLEAR REACTIONS 12C(p, p'), E=200 MeV; calculated Ay(θ), other spin observables. Irreducible tensor formalism, comparisons with data.

doi: 10.1103/PhysRevC.63.034604
Citations: PlumX Metrics

2001RA17      Phys.Rev. C63, 051001 (2001); Erratum Phys.Rev. C64, 019903 (2001)

G.Ramachandran, P.N.Deepak

Empirical Analysis for Differential Cross Section Measurements of p(pol)p(pol) → ppπ0

NUCLEAR REACTIONS 1H(polarized p, pπ0), E not given; calculated singlet, triplet contributions to σ(θ) for polarized beam, target.

doi: 10.1103/PhysRevC.63.051001
Citations: PlumX Metrics

2001RA38      Nucl.Phys. A695, 177 (2001)

G.Ramachandran, P.N.Deepak

Model-Independent Determination of Doublet and Quartet Cross Sections in N(pol)d(pol) Fusion

doi: 10.1016/S0375-9474(01)01112-5
Citations: PlumX Metrics

2000RA05      J.Phys.(London) G26, 343 (2000)

G.Ramachandran, P.N.Deepak

Irreducible Tensor Phenomenology for pd → 3Heπ+π-

NUCLEAR REACTIONS 2H(p, π+π-), E not given; calculated tensor amplitudes. Irreducible tensor approach, model-independent analysis of data discussed.

doi: 10.1088/0954-3899/26/3/312
Citations: PlumX Metrics

2000RA16      Phys.Rev. C62, 011001 (2000)

G.Ramachandran, P.N.Deepak, M.S.Vidya

Pion Production in NN Collisions

doi: 10.1103/PhysRevC.62.011001
Citations: PlumX Metrics

2000RA28      J.Phys.(London) G26, 1809 (2000)

G.Ramachandran, P.N.Deepak

Total Cross Sections for Scattering and Reactions with Polarized Beam and Polarized Target

doi: 10.1088/0954-3899/26/12/305
Citations: PlumX Metrics

1999RA30      J.Phys.(London) G25, L155 (1999)

G.Ramachandran, P.N.Deepak, S.P.Kumar

pd Fusion with Polarized Deuterons

NUCLEAR REACTIONS 1H(polarized d, γ), E not given; calculated σ(θ), analyzing power; deduced possible test for no-quartet theorem.

doi: 10.1088/0954-3899/25/12/104
Citations: PlumX Metrics

1998RA29      Phys.Rev. C58, 3008 (1998)

G.Ramachandran, M.S.Vidya

Effective Spin Dependent Interactions for Reactions: The case of NN → NΔ

doi: 10.1103/PhysRevC.58.3008
Citations: PlumX Metrics

1998RA36      Mod.Phys.Lett. A 13, 3063 (1998)

G.Ramachandran, P.N.Deepak

Tensor Force and NN Scattering with Polarized Beam and Target

doi: 10.1142/S0217732398003259
Citations: PlumX Metrics

1997RA18      Phys.Rev. C56, R12 (1997)

G.Ramachandran, M.S.Vidya

Δ Excitation in Inelastic Scattering of Nucleons on Nuclei

doi: 10.1103/PhysRevC.56.R12
Citations: PlumX Metrics

1997RA29      Phys.Rev. C56, 2882 (1997)

G.Ramachandran, M.S.Vidya, M.M.Prakash

Noncentral Interactions in Elastic Scattering with Arbitrary Spins: The case of NΔ → NΔ

doi: 10.1103/PhysRevC.56.2882
Citations: PlumX Metrics

1994RA01      Phys.Rev. C49, R623 (1994)

G.Ramachandran, A.R.Usha Devi, A.S.Rao

Determination of Inelastic Scattering Amplitudes from (p, p'γ) Reactions

doi: 10.1103/PhysRevC.49.R623
Citations: PlumX Metrics

1990RA26      Pramana 35, 67 (1990)

A.S.Rao, G.Ramachandran

On πd Elastic Scattering using Aligned Deuteron Targets

NUCLEAR REACTIONS 2H(π, π), E not given; calculated target polarization role in polarization transfer observables estimates. Target thermal equilibrium tensor polarization.

1990SA20      J.Phys.(London) G16, L95 (1990)

S.N.Sandhya, A.S.Rao, G.Ramachandran

Spin Observables and Reconstruction of π-d Elastic Scattering Amplitudes in Transverse Frame

NUCLEAR REACTIONS 2H(π, π), E=294 MeV; calculated spin transfer observables, T20(θ), σ(θ); deduced scattering amplitudes. Target partial vector polarization.

doi: 10.1088/0954-3899/16/6/001
Citations: PlumX Metrics

1986PA12      Pramana 26, 337 (1986)

S.B.Patangi, G.Ramachandran

Inelastic Scattering of Pions on 7Li

NUCLEAR REACTIONS 7Li(π+, π+), (π-, π-), E=143 MeV; analyzed σ(θ). 7Li levels deduced σ(π-)/σ(π+), isovector to isoscalar amplitude ratio, configuration.

doi: 10.1007/BF02875593
Citations: PlumX Metrics

1986RA16      J.Phys.(London) G12, 1221 (1986)

G.Ramachandran, V.Ravishankar

Theoretical Studies on Recoil Nuclear Polarisation in 10B(γ, π+)10Be(pol)

NUCLEAR REACTIONS 10B(γ, π+), E=160-360 MeV; calculated σ(θ), recoil nuclear polarization. PWIA, DWIA analyses.

doi: 10.1088/0305-4616/12/11/011
Citations: PlumX Metrics

1985RA17      Phys.Rev. C32, 640 (1985)

V.Ravishankar, G.Ramachandran, M.V.N.Murthy

Nuclear Parity Violation in γd → π0d

NUCLEAR REACTIONS 2H(γ, π0), E=200-360 MeV; calculated γ CP asymmetry vs θ. Abnormal parity components in 2H.

doi: 10.1103/PhysRevC.32.640
Citations: PlumX Metrics

1983MU18      Pramana 20, 221 (1983)

M.V.N.Murthy, G.Ramachandran, S.K.Singh

Weak Neutral Current Effects in Elastic Electron Deuteron Scattering

NUCLEAR REACTIONS 2H(e, e), (polarized e, e), E=200, 300 MeV; calculated electron, target asymmetry, recoil deuteron vector polarization; deduced sensitivity to isoscalar axial vector component of hadronic neutral component. Impulse approximation, polarized, unpolarized target, Weinberg-Salam model.

doi: 10.1007/BF02846216
Citations: PlumX Metrics

1983RA14      Phys.Rev. C27, 2198 (1983)

G.Ramachandran, R.S.Keshavamurthy, S.B.Patangi, V.Ravishankar

Fermi Motion and Pauli Exclusion Principle Effects in d(π±, π±p)n in the Δ-Resonance Region

NUCLEAR REACTIONS 2H(π+, π+p), (π-, π-p), E at 325-545 MeV/c; calculated σ(θp, θ(π)) vs pion momentum; deduced neutron, proton pion absorption differences. Effective mass, exchange amplitudes, Fermi motion, Pauli effects.

doi: 10.1103/PhysRevC.27.2198
Citations: PlumX Metrics

1982MU09      Z.Phys. A306, 117 (1982)

M.V.N.Murthy, G.Ramachandran, S.K.Singh

Threshold Photoproduction of Charged Pions on 14N

NUCLEAR REACTIONS 14N(γ, π+), (γ, π-), E=4, 8, 12, 16 MeV; calculated σ(photoproduction) vs θ. Empirical, shell model wave functions.

doi: 10.1007/BF01415481
Citations: PlumX Metrics

1981RA24      Pramana 17, 337 (1981)

G.Ramachandran, R.S.Keshavamurthy, K.Venkatesh

3He(pol)(γ, π0)3He(pol) as the Nuclear Probe

NUCLEAR REACTIONS 3He(γ, π0), E=280, 340, 400 MeV; calculated σ(θ), recoil nuclear polarization, asymmetry vs θ; deduced S-, D-state admixture effects. Polarized target.

doi: 10.1007/BF02850440
Citations: PlumX Metrics

1978RA12      Nucl.Phys. A302, 444 (1978)

G.Ramachandran, M.V.N.Murthy

Theoretical Study of Deuteron Polarization in γ + d → π0 + d

NUCLEAR REACTIONS 2H(γ, π0d), E=240-400 MeV; calculated recoil deuteron polarization. Polarized, unpolarized targets.

doi: 10.1016/0375-9474(78)90334-2
Citations: PlumX Metrics

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