NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = R.Shyam Found 102 matches. Showing 1 to 100. [Next]2018CH52 Prog.Part.Nucl.Phys. 103, 67 (2018) Breakup reactions of light and medium mass neutron drip line nuclei
doi: 10.1016/j.ppnp.2018.06.001
2017SH15 Phys.Lett. B 770, 236 (2017) Production of L+c hypernuclei in antiproton-nucleus collisions NUCLEAR REACTIONS 16O(p-bar, X), E<20 GeV; measured reaction products. 16O; deduced hypernuclei production σ(θ).
doi: 10.1016/j.physletb.2017.04.057
2017SH28 Phys.Rev. C 96, 025804 (2017) Shubhchintak, R.Chatterjee, R.Shyam Determination of the 36Mg (n, γ) 37Mg reaction rate from Coulomb dissociation of 37Mg NUCLEAR REACTIONS 208Pb(37Mg, X), E=244 MeV/nucleon; calculated Coulomb dissociation (CD) cross section in the framework of a finite-range distorted-wave Born approximation theory with the inclusion of the projectile deformation effects. 36Mg(n, γ)37Mg, E=0.01-3 MeV; calculated direct capture (DC) σ(E) to the ground state of 37Mg. 37Mg; calculated asymptotic normalization constant (ANC) for the deformed 37Mg wave function. 36Mg(n, γ)37Mg, T=0.05-3 GK; calculated capture rates as a function of temperature and S(n). 36Mg(α, n)39Si, T=0.05-3 GK; compared reaction rates for this reaction using Hauser-Feshbach (HF) method with those for 36Mg(n, γ)37Mg.
doi: 10.1103/PhysRevC.96.025804
2015SH20 Nucl.Phys. A939, 101 (2015) Shubhchintak, Neelam, R.Chatterjee, R.Shyam, K.Tsushima Coulomb breakup of 37Mg and its ground state structure NUCLEAR REACTIONS Pb(37Mg, x), E=244 MeV/nucleon; calculated pure Coulomb one-neutron removal σ, σ(E), σ(E, θ) vs neutron separation energy and vs deformation, parallel momentum distribution using FR DWBA.
doi: 10.1016/j.nuclphysa.2015.03.011
2013CH31 Nucl.Phys. A913, 116 (2013) R.Chatterjee, R.Shyam, K.Tsushima, A.W.Thomas Structure and Coulomb dissociation of 23O within the quark-meson coupling model NUCLEAR REACTIONS Pb(23O, n22O), E=422 MeV/nucleon; calculated Coulomb dissociation σ(E), longitudinal momentum distribution using QMC (quark-meson coupling) model. Compared with available data. NUCLEAR STRUCTURE 23N, 23O, 31Ne, 35Mg, 37Na, 45S, 49Ar; calculated valence neutron separation energy, 23O density distribution, neutron, proton radii using QMC (quark-meson coupling) model. Compared with available data.
doi: 10.1016/j.nuclphysa.2013.06.004
2013SH32 Phys.Rev. C 88, 025209 (2013) R.Shyam, O.Scholten, A.W.Thomas Production of the H dibaryon via the (K-, K+) reaction on a 12C target
doi: 10.1103/PhysRevC.88.025209
2013SH35 Nucl.Phys. A914, 79c (2013) Ξ- hyperon and hypernuclear production in the (K-, K+) reaction on nucleon and nuclei in a field theoretical mode NUCLEAR REACTIONS 1H(K-, K+), E at 1-3 GeV/c; calculated Ξ- production σ, σ(θ). 12C, 28Si(K-, K+), E at 0.7-2.0 GeV/c; calculated Ξ hypernucleus production σ, σ(θ) to individual states. Covariant effective Lagrangian (with Ξ bound state spinors from phenomenological model for reactions on C and Si); calculations compared to data.
doi: 10.1016/j.nuclphysa.2013.01.082
2012GU12 Nucl.Phys. A886, 71 (2012) N.Guleria, S.K.Dhiman, R.Shyam A study of Λ hypernuclei within the Skyrme-Hartree-Fock model NUCLEAR STRUCTURE 8He, 9Li, 10Be, 10,11,12B, 12,13C, 16N, 16O, 28Si, 32S, 40Ca, 51V, 89Y, 139La, 208Pb Λ hypernuclei; calculated Λ hypernuclei binding energy, mass excess using RMF method with Skyrme interactions; deduced interaction parameters from fit to data. Also calculated mass-radius relations for neutron stars.
doi: 10.1016/j.nuclphysa.2012.05.005
2012SH11 Nucl.Phys. A881, 255 (2012) R.Shyam, K.Tsushima, A.W.Thomas Production of cascade hypernuclei via the (K-, K+) reaction within a quark-meson coupling model NUCLEAR REACTIONS 1H(K-, K+)Ξ-, E at 1-4 GeV/c;12C, 28Si(K-, K+), E at 0.5-2 GeV/c; calculated Ξ-, bound hypernuclei 12ΞBe, 28ΞMg hypernuclei production σ, σ(θ) using covariant effective Lagrangian model including Λ and Σ resonance intermediate states. Compared with data.
doi: 10.1016/j.nuclphysa.2012.01.025
2011SH29 Phys.Rev. C 84, 042201 (2011) R.Shyam, O.Scholten, A.W.Thomas Production of a cascade hyperon in the K--proton interaction
doi: 10.1103/PhysRevC.84.042201
2010BE27 Nucl.Phys. A839, 51 (2010) A relativistic description of the A(π+, K+)ΛA reaction
doi: 10.1016/j.nuclphysa.2010.03.006
2010SH04 Phys.Rev. C 81, 015204 (2010) Associated photoproduction of K+ mesons off protons within a coupled-channels K-matrix approach
doi: 10.1103/PhysRevC.81.015204
2010SH31 Phys.Rev. C 82, 062201 (2010) Dilepton production in proton-proton and quasifree proton-neutron reactions at 1.25 GeV
doi: 10.1103/PhysRevC.82.062201
2010TS03 Int.J.Mod.Phys. E19, 2546 (2010) K.Tsushima, P.A.M.Guichon, R.Shyam, A.W.Thomas Binding of hypernuclei, and photoproduction of Λ-hypernuclei in the latest quark-meson coupling model NUCLEAR STRUCTURE 16,17O, 40,41,49Ca, 89Y, 91Zr, 208,209Pb; calculated hypernuclei single-particle energies. Quark-meson coupling model, comparison with experimental data.
doi: 10.1142/S021830131001706X
2009SH13 Phys.Rev. C 79, 035203 (2009) Dilepton production in nucleon-nucleon collisions reexamined
doi: 10.1103/PhysRevC.79.035203
2008BA35 Phys.Rev. C 78, 035804 (2008) P.Banerjee, R.Chatterjee, R.Shyam Coulomb dissociation of 9Li and the rate of the 8Li(n, γ)9Li reaction NUCLEAR REACTIONS Pb, U(9Li, X), E(cm)=28.5 MeV/nucleon; measured σ. 8Li(n, γ); deduced astrophysical capture rates.
doi: 10.1103/PhysRevC.78.035804
2008SH13 Phys.Rev. C 77, 052201 (2008) Hypernuclear production by the (γ, K+) reaction within a relativistic model NUCLEAR REACTIONS 16O(γ, K+)16N, E<2 GeV; calculated momentum distributions, σ, levels, J, π for hypernuclei.
doi: 10.1103/PhysRevC.77.052201
2008SH25 Phys.Rev. C 78, 065201 (2008) Photoproduction of η mesons within a coupled-channels K-matrix approach
doi: 10.1103/PhysRevC.78.065201
2007SH18 Phys.Rev. C 75, 055201 (2007) η-meson production in nucleon-nucleon collisions within an effective Lagrangian model NUCLEAR REACTIONS 1H(p, pX), E< 10 GeV; calculated η meson productions cross section within an effective Lagrangian model.
doi: 10.1103/PhysRevC.75.055201
2006DA02 Phys.Rev. C 73, 015808 (2006) J.J.Das, V.M.Datar, P.Sugathan, N.Madhavan, P.V.Madhusudhana Rao, A.Jhingan, A.Navin, S.K.Dhiman, S.Barua, S.Nath, T.Varughese, A.K.Sinha, R.Singh, A.Ray, D.L.Sastry, R.G.Kulkarni, R.Shyam Astrophysical S17(0) factor from a measurement of the 2H(7Be, 8B)n reaction at Ec.m. = 4.5 MeV NUCLEAR REACTIONS 2H(7Be, 7Be), (7Be, 8B), E(cm)=4.5 MeV; measured σ(θ); deduced parameters. 7Be(p, γ), E=low; deduced astrophysical S-factor. Asymptotic normalization coefficient method.
doi: 10.1103/PhysRevC.73.015808
2006SH03 Nucl.Phys. A764, 313 (2006) A relativistic two-nucleon model for A(p, K+ΛB reaction NUCLEAR REACTIONS 1H, 4He, 12C, 40Ca(p, K+), E=0.5-3.0 GeV; calculated hypernucleus production σ(E, θ), intermediate states contributions. Fully covariant two-nucleon model.
doi: 10.1016/j.nuclphysa.2005.09.015
2006SH09 Phys.Rev. C 73, 035211 (2006) Hyperon production in near-threshold nucleon-nucleon collisions NUCLEAR REACTIONS 1H(p, pK+X), (p, nK+X), (p, pK0X), E ≈ threshold; calculated Λ and Σ hyperon production σ. Effective Lagrangian model, comparison with data.
doi: 10.1103/PhysRevC.73.035211
2006SH14 Pramana 66, 765 (2006) Strangeness production in proton-proton and proton-nucleus collisions NUCLEAR REACTIONS 1H(p, pK+X), E ≈ threshold; analyzed kaon and hyperon production σ; deduced resonance contributions. 40Ca(p, K+), E=2 GeV; calculated hypernucleus production σ(θ). Effective Lagrangian model.
doi: 10.1007/BF02704805
2005DH01 J.Phys.(London) G31, S1531 (2005) Structure of 8B and astrophysical S17 factor NUCLEAR STRUCTURE 7Be, 8B; calculated binding energies, radii, overlap function. Skyrme Hartree-Fock framework. NUCLEAR REACTIONS 7Be(p, γ), E=low; calculated astrophysical S-factor.
doi: 10.1088/0954-3899/31/10/026
2004DA33 Nucl.Phys. A746, 561c (2004) J.J.Das, V.M.Datar, P.Sugathan, N.Madhavan, P.V.Madhusudhana Rao, A.Jhingan, A.Navin, S.K.Dhiman, S.Barua, S.Nath, T.Varughese, A.K.Sinha, R.Singh, A.Ray, D.L.Shastry, R.G.Kulkarni, R.Shyam A new measurement of d(7Be, 8B)n reaction at Ec.m. = 4.5 MeV for the extraction of S17(0) factor using ANC method NUCLEAR REACTIONS 2H(7Be, 7Be), (7Be, 8B), E(cm)=4.5 MeV; measured σ(θ); deduced parameters. 7Be(p, γ), E=low; deduced astrophysical S-factor.
doi: 10.1016/j.nuclphysa.2004.09.090
2004SH23 Phys.Rev. C 69, 065205 (2004) Exclusive K+ production in proton-nucleus collisions NUCLEAR REACTIONS 40Ca(p, K+), E=2.0 GeV; calculated hypernucleus production σ(E, θ), intermediate states contributions. Fully covariant two-nucleon model.
doi: 10.1103/PhysRevC.69.065205
2003CH79 Phys.Rev. C 68, 054320 (2003) S.S.Chandel, S.K.Dhiman, R.Shyam Structure of 8B and astrophysical S17 factor in Skyrme Hartree-Fock theory NUCLEAR STRUCTURE 7Be, 7,8B, 8Li, 9C; calculated binding energies, radii, density distributions. Skyrme-Hartree-Fock framework. 8B deduced halo structure. NUCLEAR REACTIONS 7Be(p, γ), E=low; calculated asymptotic normalization coefficient, astrophysical S-factor.
doi: 10.1103/PhysRevC.68.054320
2003SH16 Phys.Rev. C 67, 065202 (2003) Role of baryonic resonances in the dilepton emission in nucleon-nucleon collisions NUCLEAR REACTIONS 1n, 1H(p, X), E=1.04-4.88 GeV; calculated dilepton invariant mass distributions, total dilepton production σ. Effective Lagrangian model, comparisons with data.
doi: 10.1103/PhysRevC.67.065202
2002BA60 Phys.Rev. C65, 064602 (2002) P.Banerjee, G.Baur, K.Hencken, R.Shyam, D.Trautmann Postacceleration Effects in the Coulomb Dissociation of Neutron Halo Nuclei NUCLEAR REACTIONS Pb(11Be, n10Be), (19C, n18C), E=5-72 MeV/nucleon; calculated σ(E, θ), fragment relative energy distributions; deduced postacceleration effects.
doi: 10.1103/PhysRevC.65.064602
2002CH60 Phys.Rev. C 66, 061601 (2002) Coulomb-nuclear interference in the breakup of 11Be NUCLEAR REACTIONS 9Be, 44Ti, 197Au(11Be, n10Be), E=41 MeV/nucleon; 208Pb(11Be, n10Be), E=72 MeV/nucleon; calculated breakup σ(θ), σ(E); deduced Coulomb-nuclear interference effects. Post-form DWBA, comparisons with data.
doi: 10.1103/PhysRevC.66.061601
2002IN03 Phys.Rev. C65, 054604 (2002) A.Ingemarsson, B.R.Karlsson, R.Shyam Flux Loss Distributions Due to Breakup in the Elastic Scattering of 56 MeV Deuterons from 51V NUCLEAR REACTIONS 51V(d, d), E=56 MeV; calculated flux loss due to deuteron breakup.
doi: 10.1103/PhysRevC.65.054604
2001CH58 Nucl.Phys. A692, 476 (2001) R.Chatterjee, P.Banerjee, R.Shyam Four-Body DWBA Calculations of the Coulomb Breakup of 6He NUCLEAR REACTIONS 197Au(6He, 2nα), E=63.2 MeV/nucleon; U, Pb(6He, 2nα), E= 24 MeV/nucleon; calculated α spectra. Pb(6He, 2nα), E=240 MeV/nucleon; calculated nn, nα relative energy spectra. Four-body postform DWBA approach, comparisons with data.
doi: 10.1016/S0375-9474(01)00651-0
2001MA39 Phys.Rev. C63, 051601 (2001) Coulomb and Nuclear Breakup Effects in the Single Neutron Removal Reaction 197Au(17C, 16Cγ)X NUCLEAR REACTIONS 197Au(17C, 16CX), E=61 MeV/nucleon; measured Eγ, Iγ, neutron removal σ(E), core fragment parallel momentum distributions; deduced reaction mechanism features.
doi: 10.1103/PhysRevC.63.051601
2001SH04 Phys.Rev. C63, 022202 (2001) Role of N*(1650) in the Near Threshold pp → pΛK+ and pp → pΣ0K+ Reactions NUCLEAR REACTIONS 1H(p, pX), E=high; calculated σ for p+Σ0+K+ and p+Λ+K+ channels investigating the role of baryonic resonances. Effective Lagrangian model. Comparison with data.
doi: 10.1103/PhysRevC.63.022202
2001SH21 Phys.Rev. C63, 054608 (2001) Core Excitation in Coulomb Breakup Reactions NUCLEAR REACTIONS 208Pb(11Be, 10BeX), (19C, 18CX), E=60 MeV/nucleon; calculated σ(E), core fragment momentum distributions, fragment excitation effects. Coulomb breakup, finite-range distorted-wave DWBA.
doi: 10.1103/PhysRevC.63.054608
2001TY02 Phys.Rev. C64, 024605 (2001) Dynamical Description of the Breakup of One-Neutron Halo Nuclei 11Be and 19C NUCLEAR REACTIONS 208Pb(19C, n18C), E=67 MeV/nucleon; 208Pb(11Be, n10Be), E=72 MeV/nucleon; calculated σ, fragment-core relative energy spectra; deduced dynamical effects. Comparisons with data.
doi: 10.1103/PhysRevC.64.024605
2000BA24 Phys.Rev. C61, 047301 (2000) Structure of 19C from Coulomb Dissociation Studies NUCLEAR REACTIONS Pb(19C, n18C), E=67 MeV/nucleon; Ta(19C, n18C), E=67 MeV/nucleon;analyzed fragments relative energy, angular distributions, parallel momentum distributions. 19C deduced ground-state configuration, neutron separation energy.
doi: 10.1103/PhysRevC.61.047301
2000BB10 Phys.Rev. C62, 065804 (2000) E1-E2 Interference in the Coulomb Dissociation of 8B NUCLEAR REACTIONS Pb(8B, p7Be), E=46.5, 51.9 MeV/nucleon; Ni(8B, p7Be), E=25.8 MeV/nucleon; Pb(6Li, dα), E=156 MeV; calculated σ(E, θ(1), θ(2)), electric dipole, quadrupole, and interference contributions to Coulomb dissociation. Comparisons with data.
doi: 10.1103/PhysRevC.62.065804
2000CH27 Nucl.Phys. A675, 477 (2000) R.Chatterjee, P.Banerjee, R.Shyam Projectile Structure Effects in the Coulomb Breakup of One-Neutron Halo Nuclei NUCLEAR REACTIONS 197Au(11Be, n10Be), E=37, 44 MeV/nucleon; calculated neutron spectra, energy distributions and average momenta of 10Be, neutron angular distributions. Pb(11Be, n10Be), E=72 MeV/nucleon; calculated relative energy spectra. U, Ta(11Be, n10Be), E=63 MeV/nucleon; Ta(19C, n18C), E=88, 914 MeV/nucleon; Ta(15C, n14C), E=84 MeV/nucleon; calculated parallel momentum distributions. Pb(19C, n18C), E=67 MeV/nucleon; calculated relative energy spectrum. Comparison with data and other models. Reaction mechanisms of halo nuclei.
doi: 10.1016/S0375-9474(00)00179-2
2000SH09 Nucl.Phys. A669, 65 (2000) R.Shyam, K.Bennaceur, J.Okolowicz, M.Ploszajczak Structure Effects on the Coulomb Dissociation of 8B at Relativistic Energies NUCLEAR REACTIONS 208Pb(8B, p7Be), E=250 MeV/nucleon; calculated σ(E(cm)), multipole contributions; deduced structure effects. Shell model embedded in the continuum. Comparisons with data.
doi: 10.1016/S0375-9474(99)00689-2
1999IN02 Phys.Rev. C60, 054615 (1999) Imaginary Deuteron Optical Potential Due to Elastic and Inelastic Breakup NUCLEAR REACTIONS 51V(d, p), (d, n), (d, np), E=56 MeV; calculated elastic and inelastic breakup probabilities, optical potential features.
doi: 10.1103/PhysRevC.60.054615
1999MA73 J.Phys.(London) G25, 1897 (1999) T.Madhusoodhanan, S.Mandal, R.Shyam, M.R.Rao, M.T.Lagare, N.G.Puttaswamy, A.Mandal, D.K.Avasthi, S.K.Datta Study of α-Transfer Reaction 28Si(7Li, t)32S NUCLEAR REACTIONS 28Si(7Li, t), E=48 MeV; measured triton spectra, σ(E, θ). 28Si(6Li, d), E=48 MeV; measured σ(E, θ). Si(7Li, 7Li), E=48 MeV; measured σ(θ); deduced optical model parameters. 32S levels deduced spectroscopic factors. DWBA analysis. Comparison with shell model predictions.
doi: 10.1088/0954-3899/25/9/309
1999MA75 Int.J.Mod.Phys. E8, 347 (1999) T.Madhusoodhanan, S.Mandal, M.P.Sathyavathiamma, Ramani, N.G.Puttaswamy, T.S.Mudhole, A.Mandal, D.K.Avasthi, S.K.Datta, R.Shyam Wide-Angle α-t Coincidence Measurement in the Breakup of 7Li on 27Al NUCLEAR REACTIONS 27Al(7Li, tα), E=48 MeV; measured particle spectra, σ(θ(α), θ(t)); deduced Coulomb-nuclear interference effects. DWBA analysis, direct fragmentation model.
doi: 10.1142/S0218301399000252
1999MA95 Pramana 53, 541 (1999) T.Madhusoodhanan, S.Mandal, M.P.Sathyavathiamma, Ramani, N.G.Puttaswamy, T.S.Mudhole, A.Mandal, D.K.Avasthi, R.Shyam, S.K.Datta Inclusive and Exclusive Measurements in the Projectile Breakup of 7Li NUCLEAR REACTIONS 27Al(7Li, tα), E=48 MeV; measured triton, alpha spectra, tα-coin, σ(θ(α), θ(t)). 27Al(7Li, tX), (7Li, αX), E=48 MeV; measured particle spectra; deduced breakup contribution.
doi: 10.1007/s12043-999-0027-6
1999PL01 Phys.Rev. C59, 3208 (1999) R.G.Pleydon, W.R.Falk, M.Benjamintz, S.Yen, P.L.Walden, R.Abegg, D.Hutcheon, C.A.Miller, M.Hartig, K.Hicks, G.V.O'Rielly, R.Shyam Inclusive Measurements of the pp → pnπ+ Reaction at 420 and 500 MeV NUCLEAR REACTIONS 1H(polarized p, pπ+), E=420, 500 MeV; measured pions σ(θ), Ay(θ); deduced σ. Partial wave analysis. Final state interaction model.
doi: 10.1103/PhysRevC.59.3208
1999SH20 Phys.Rev. C59, 2645 (1999) Coulomb and Nuclear Breakup of 8B NUCLEAR REACTIONS 58Ni(8B, p7Be), E=25.8 MeV; 208Pb(8B, p7Be), E=415 MeV; calculated σ(θ); deduced Coulomb, nuclear contributions, interference effects. One-step prior-form DWBA.
doi: 10.1103/PhysRevC.59.2645
1999SH40 Phys.Rev. C60, 055213 (1999) pp → pK+Λ Reaction in an Effective Lagrangian Model NUCLEAR REACTIONS 1H(p, K+X), E at 3-10 GeV/c; calculated hyperon production associated total σ, resonance contributions. Comparisons with data.
doi: 10.1103/PhysRevC.60.055213
1999SH47 Pramana 53, 595 (1999) Breakup of 8B and the 7Be(p, γ)8B Reaction NUCLEAR REACTIONS 208Pb(8B, p7Be), E=415 MeV; 58Ni(8B, p7Be), E=25.8 MeV; calculated σ(θ); deduced nuclear, Coulomb contributions. Comparisons with data.
doi: 10.1007/s12043-999-0036-5
1998NU04 J.Phys.(London) G24, 1575 (1998) F.M.Nunes, R.Shyam, I.J.Thompson Structure Effects on Coulomb Dissociation of 8B NUCLEAR REACTIONS 58Ni(8B, p7Be), E=3.225 MeV/nucleon; calculated Coulomb dissociation σ, σ(θ), multipole contributions; deduced structure effects. Several models compared.
doi: 10.1088/0954-3899/24/8/036
1998SH09 Phys.Rev. C57, 2427 (1998) Nuclear Breakup of 8B in a Direct Fragmentation Model NUCLEAR REACTIONS 28Si(8B, 7Be), E=10-40 MeV/nucleon; calculated σ, Be fragment energy distribution; deduced elastic, inelastic relative contributions. Direct fragmentation model, DWBA.
doi: 10.1103/PhysRevC.57.2427
1998SH12 Phys.Lett. 426B, 1 (1998) NN → NNπ Reaction Near Threshold in a Convariant One-Boson-Exchane Model NUCLEAR REACTIONS 1H(p, nπ+), (p, pπ0), E=280-400 MeV; calculated σ, σ(θ); deduced heavy meson exchange contributions. Covariant one-boson-exchange model. Comparison with data.
doi: 10.1016/S0370-2693(98)00297-4
1997SH39 Phys.Lett. 415B, 315 (1997) E2 Component in Subcoulomb Breakup of 8B NUCLEAR REACTIONS 58Ni, 208Pb(8B, 7Be), E=25.8 MeV; calculated σ(θ) from subcoulomb breakup; deduced Coulomb excitation components.
doi: 10.1016/S0370-2693(97)01272-0
1996BA40 J.Phys.(London) G22, L79 (1996) Energy and Momentum Distribution of Fragments in Reactions Induced by One Neutron Halo Nucleus 11Be NUCLEAR REACTIONS 238U, 181Ta, 93Nb(11Be, 10BeX), E=63 MeV/nucleon; analyzed 10Be fragment parallel momentum distribution data. 197Au(11Be, nX), E=40.5 MeV/nucleon; analyzed σ(θn, En). 197Au, 48Ti(11Be, nX), E=41 MeV/nucleon; analyzed σ(θn). 11Be deduced halo structure. Direct fragmentation model.
doi: 10.1088/0954-3899/22/7/002
1996EN05 Nucl.Phys. A603, 387 (1996) A.Engel, R.Shyam, U.Mosel, A.K.Dutt-Mazumder Pion Production in Proton-Proton Collisions in a Covariant One-Boson-Exchange Model NUCLEAR REACTIONS 1H(p, nπ+), (p, pπ0), E=0.3-2 GeV; calculated σ(E), σ(θ(π), E(π)). Realistic one-boson exchange model.
doi: 10.1016/0375-9474(96)80008-F
1996SH08 Phys.Lett. 371B, 1 (1996) R.Shyam, I.J.Thompson, A.K.Dutt-Mazumder Astrophysical S-Factor of the 7Be(p, γ)8B Reaction from Coulomb Dissociation of 8B NUCLEAR REACTIONS, ICPND 208Pb(8B, p7Be), E=46.5 MeV/nucleon; analyzed projectile Coulomb dissociation σ(θ); deduced 7Be(p, γ) reaction astrophysical S-factor.
doi: 10.1016/0370-2693(95)01591-4
1995BA32 Phys.Lett. 349B, 421 (1995) Momentum Distribution of Fragments in Reactions Induced by Neutron Rich Nuclei NUCLEAR REACTIONS 181Ta, 93Nb, 9Be(11Li, X), E=66 MeV/nucleon; 208Pb, 12C(11Be, X), E=73 MeV/nucleon; 208Pb, 12C(14Be, X), E=56.8 MeV/nucleon; calculated 9Li, 10,12Be fragment longitudinal, transverse momentum distributions. Direct fragmentation model.
doi: 10.1016/0370-2693(95)00261-I
1995SH10 Nucl.Phys. A586, 557 (1995) Exclusive Pion Production in Proton-Nucleus Collisions and the Relativistic Two Nucleon Dynamics NUCLEAR REACTIONS 1H(p, pπ+), E ≤ 1 GeV; calculated π+ production σ(E), σ(θ). 40Ca, 16O, 12C(p, π+), E=800 MeV; calculated σ(θ). Fully convariant two-nucleon model.
doi: 10.1016/0375-9474(95)00005-L
1993BA34 Nucl.Phys. A561, 112 (1993) Coulomb and Nuclear Effects in the Fragmentation of Exotic Nuclei NUCLEAR REACTIONS 208Pb(11Li, X), (d, X), E ≤ 100 MeV/nucleon; calculated projectile Coulomb breakup σ(E). 208Pb(11Li, X), E=30 MeV/nucleon; calculated σ(θ(9Li), E(9Li)) following 11Li Coulomb breakup. 197Au(d, pX), E=30 MeV/nucleon; calculated σ(Ep, θp). Diffraction dissociation, stripping theories, direct fragmentation model.
doi: 10.1016/0375-9474(93)90168-W
1993BA64 Phys.Lett. 318B, 268 (1993) Angular Distributions of Neutrons Emitted in the Fragmentation Reactions of 11Be NUCLEAR REACTIONS 48Ti, 197Au(11Be, n9Be), (11Be, nX), E=41 MeV/nucleon; calculated σ(θn); deduced different reaction mechanisms role. Direct fragmentation model.
doi: 10.1016/0370-2693(93)90126-3
1992SH09 Nucl.Phys. A540, 341 (1992) Coulomb Dissociation of 11Li and 11Be in a Direct Fragmentation Model NUCLEAR STRUCTURE A ≈ 25-120; calculated Coulomb part of (11Li, 9Li), (11Be, 10Be) reaction induced fragmentation σ. Post form DWBA. NUCLEAR REACTIONS 197Au(11Li, 9Li), E=29-100 MeV/nucleon; calculated σ(θ), σ(θ(9Li), E(9Li)); deduced 2n-removal mechanism. Post form DWBA.
doi: 10.1016/0375-9474(92)90208-2
1991SH11 Phys.Rev. C44, 915 (1991) Projectile Breakup by Nuclear and Coulomb Fields and Application to Astrophysically Relevant Radiative-Capture Processes NUCLEAR REACTIONS 208Pb(7Li, tα), E=63 MeV; 208Pb(6Li, dα), E=156 MeV; calculated σ(θ); deduced favorable regime for radiative capture astrophysical S-factor extractions. Breakup processes, nuclear, Coulomb contributions interplay.
doi: 10.1103/PhysRevC.44.915
1991SH27 Phys.Lett. 273B, 26 (1991) R.Shyam, A.Engel, W.Cassing, U.Mosel A Relativistic Two-Nucleon Model for (p, π) Reactions NUCLEAR REACTIONS 40Ca(p, π), E=148-185 MeV; calculated σ(θ). Relativistic two-nucleon model.
doi: 10.1016/0370-2693(91)90547-4
1990GH02 Phys.Lett. 234B, 248 (1990) Emission of Energetic Protons at Backward Angles in He + U Reactions within a Cooperative Model with Coulomb Effects NUCLEAR REACTIONS 238U(α, pX), E=21-90 MeV/nucleon; 238U(3He, pX), E=40 MeV/nucleon; 238U(6Li, pX), E=25 MeV/nucleon; calculated σ(θp, Ep). Cooperative model, Coulomb effects.
doi: 10.1016/0370-2693(90)91922-X
1990GH03 J.Phys.(London) G16, L33 (1990) Emission of Protons in the Extreme Kinematical Region from Nuclear Cooperation in Heavy-Ion Collisions NUCLEAR REACTIONS 12C(12C, pX), E=40-86 MeV/nucleon; 108Ag(12C, pX), E=40 MeV/nucleon; 197Au(12C, X), E=40 MeV/nucleon; 197Au(40Ar, X), E=60 MeV/nucleon; 64Cu(12C, X), E=86 MeV/nucleon; calculated inclusive σ(θp, Ep). Cooperative model.
doi: 10.1088/0954-3899/16/2/003
1990SH29 J.Phys.(London) G16, 1461 (1990) Shell Model Study of Σ and Λ Hypernuclear Spectra from (K-, π(±)) Reactions NUCLEAR REACTIONS 16O, 12C(K-, π-), E at 715 MeV/c; analyzed σ(E); deduced hypernuclei features.
doi: 10.1088/0954-3899/16/10/009
1989GH01 J.Phys.(London) G15, L185 (1989) Subthreshold π0 Production in Heavy-Ion Collisions Induced by 16O and 27Al at E(beam) = 38-200 MeV/Nucleon by Nuclear Cooperation NUCLEAR REACTIONS 27Al, 197Au(16O, π0X), E=38 MeV/nucleon; 27Al(20Ne, π0X), E=200 MeV/nucleon; calculated σ(θ); deduced reaction mechanism.
doi: 10.1088/0954-3899/15/9/002
1989SH06 Nucl.Phys. A491, 227 (1989) Effect of Break-Up Channels on (d, pn) Coincidence Cross Section in Post Form Break-Up Theories NUCLEAR REACTIONS 51V, 118Sn(d, np), E=56 MeV; calculated σ(θn, θp).
doi: 10.1016/0375-9474(89)90700-8
1989SH32 J.Phys.(London) G15, L277 (1989) Phenomenological Shell Model Analysis of p-Shell (Lambda) and (Eta) Hypernuclei NUCLEAR REACTIONS 16O(K-, π+), E not given; analyzed data; deduced (Eta)- spin-orbit doublet spectroscopic assignments. Phenomenological shell model. NUCLEAR STRUCTURE 12C, 16O; calculated baryon-nucleon interaction parameters. Shell model.
doi: 10.1088/0954-3899/15/12/003
1988KN02 Nucl.Phys. A483, 711 (1988) Energetic Particle Emission from Nuclear Co-Operation NUCLEAR REACTIONS 27Al(16O, π0X), E=25 MeV/nucleon; analyzed σ(θ).
doi: 10.1016/0375-9474(88)90093-0
1988RA26 Phys.Rev. C38, 1955 (1988) Radhey Shyam, Rama Shyam, S.C.Phatak Magnetic Moment of the Deuteron and Quark Degrees of Freedom NUCLEAR STRUCTURE 2H; calculated μ, D-state probability. Quark degrees of freedom.
doi: 10.1103/PhysRevC.38.1955
1988SH05 Phys.Rev. C37, 873 (1988) 20Ne(α, 2α)16O Reaction NUCLEAR REACTIONS 20Ne(α, 2α), E=140 MeV; analyzed σ(θ1, θ2, E1); deduced α-16O phase shifts. DWIA, orthogonal condition model 20Ne wave functions.
doi: 10.1103/PhysRevC.37.873
1988SH21 Pramana 30, 115 (1988) Off-Shell Behaviour of 32S(n, n)32S Total Cross-Section and 32S(d, p)33S Reaction to the Continuum NUCLEAR REACTIONS 32S(n, X), E(cm) ≈ 0.0-1.1 MeV; analyzed σ(E). 32S(d, p), E=12 MeV; calculated off-shell parameter vs θp. R-matrix.
doi: 10.1007/BF02846650
1987SH13 Nucl.Phys. A467, 185 (1987) D-State Effects in (α, d) Reaction NUCLEAR REACTIONS 208Pb(α, d), E=48 MeV; calculated σ(θ); deduced α-particle D-state role.
doi: 10.1016/0375-9474(87)90525-2
1986SH04 Nucl.Phys. A448, 322 (1986); Erratum Nucl.Phys. A459, 732 (1986) Hard Photons from Co-Operative Effects in Intermediate Energy Heavy-Ion Collisions NUCLEAR REACTIONS 238U(12C, γX), E=84 MeV/nucleon; calculated σ(θγ, Eγ). 238U(12C, γX), E=20-180 MeV/nucleon; calculated σ(E). Hard photons, cooperative model.
doi: 10.1016/0375-9474(86)90095-3
1985AA01 Nucl.Phys. A439, 45 (1985) E.H.L.Aarts, R.A.R.L.Malfliet, R.J.De Meijer, S.Y.Van Der Werf, G.Baur, R.Shyam, F.Rosel, D.Trautmann Comparison between a Distorted-Wave Breakup Model Description and a Quasi-Free Breakup Model Description of 3He Projectile Breakup Data at 52 MeV NUCLEAR REACTIONS 28Si, 58Ni(3He, dX), (3He, dp), E=52 MeV; calculated inclusive σ(θd, Ed), σ(θp, θd, Ed). Quasifree breakup, DWBA.
doi: 10.1016/0375-9474(85)90208-8
1985SH22 J.Phys.(London) G11, 1199 (1985) R.Shyam, R.G.Lovas, K.F.Pal, V.K.Sharma, M.A.Nagarajan DWBA Analyses of (7Li, t) Reactions with Realistic Potential Overlap NUCLEAR REACTIONS 12C, 40,44Ca, 58Ni(7Li, t), E=34 MeV; calculated σ(θ); deduced optical model potentials. 16O, 44,48Ti, 62Zn levels deduced Sα. Finite-range DWBA analysis.
doi: 10.1088/0305-4616/11/11/006
1985SH26 Ann.Phys.(New York) 163, 265 (1985) A Distorted-Wave Born-Approximation Theory of Heavy-Ion-Induced Projectile Breakup Reactions NUCLEAR REACTIONS 208Pb(6Li, dα), E=156 MeV; 40Ca(14N, d10B), E=110 MeV; calculated transition amplitudes. DWBA, heavy ion induced projectile breakup.
doi: 10.1016/0003-4916(85)90382-3
1984FU02 Phys.Lett. 136B, 322 (1984) B.R.Fulton, J.S.Lilley, R.Lindsay, M.A.Nagarajan, N.Rowley, R.Shyam, T.M.Cormier, P.M.Stwertka Structure in the 02+ Excitation Function in 12C + 12C Scattering NUCLEAR REACTIONS, ICPND 12C(12C, 12C'), E(cm)=20-40 MeV; measured σ(E), σ(θ); deduced barrier matching, barrier, internal wave interference effects. DWBA, no resonance contribution.
doi: 10.1016/0370-2693(84)92012-4
1984SH02 Phys.Lett. 136B, 221 (1984) Subthreshold Pion Production in Nucleus-Nucleus Collisions - A Cooperative Process NUCLEAR REACTIONS 12C(12C, πX), E=85 MeV/nucleon; calculated σ(θ, E(π)); deduced pion production mechanism.
doi: 10.1016/0370-2693(84)91150-X
1984SH12 Phys.Rev. C30, 1109 (1984); Erratum Phys.Rev. C31, 287 (1985) R.Shyam, G.Baur, F.Rosel, D.Trautmann Test of the Theory of Inelastic Break-Up for the (3He, d) Break-Up Reaction NUCLEAR REACTIONS 165Ho, 166,167Er(3He, d), E=100 MeV; calculated elastic, inelastic breakup σ(Ed, θd). Post form DWBA theory.
doi: 10.1103/PhysRevC.30.1109
1984SH18 Nucl.Phys. A426, 606 (1984); Erratum Nucl.Phys. A459, 732 (1986) A Cooperative Mechanism of Subthreshold Pion Production NUCLEAR REACTIONS 12C(12C, π+X), E=85, 75 MeV/nucleon; 208Pb, 7Li(12C, X), E=85 MeV/nucleon; 12C(12C, π0X), E=84, 74, 60 MeV/nucleon; 40Ca(40Ar, π0X), E=44 MeV/nucleon; 27Al, 58Ni(14N, π0X), E=35 MeV/nucleon; Na, F(20Ne, π-X), E=183 MeV/nucleon; calculated σ(θ, E(π)) vs momentum; deduced subthreshold pion production mechanism. Statistical model.
doi: 10.1016/0375-9474(84)90167-2
1983BA37 Phys.Rev. C28, 946 (1983) G.Baur, R.Shyam, F.Rosel, D.Trautmann Calculation of Proton-Neutron Coincidence Cross Sections in 56 MeV Deuteron-Induced Breakup Reactions by Post Form Distorted-Wave Born Approximation NUCLEAR REACTIONS 12C, 51V, 118Sn(d, np), E=56 MeV; analyzed σ(θp, θn), σ(θp, θn, Ep); deduced spectator breakup mechanism. DWBA analysis.
doi: 10.1103/PhysRevC.28.946
1983SH09 Phys.Rev. C27, 2393 (1983) R.Shyam, G.Baur, A.Budzanowski, J.Bojowald, H.Dabrowski, C.Mayer-Boricke, W.Oelert, G.Riepe, M.Rogge, P.Turek, F.Rosel, D.Trautmann Explanation of 3He and Triton Rates in the Alpha Breakup Inclusive Cross Sections NUCLEAR REACTIONS 58Ni, 90Zr, 120Sn, 209Bi(α, t), (α, 3He), E=172.5 MeV; measured σ(θ, Et), σ(θ, E(3He)); deduced α-breakup mechanism. Inclusive breakup, post form DWBA.
doi: 10.1103/PhysRevC.27.2393
1983SH15 J.Phys.(London) G9, 901 (1983) Bound-State Shell Model with Full Correction for Spurious Centre-of-Mass Motion NUCLEAR REACTIONS 16O(d, p), E=8 MeV; 40Ca(d, p), E=7 MeV; calculated σ(θ). DWBA, center-of-mass corrected shell model form factor.
doi: 10.1088/0305-4616/9/8/013
1982CU02 Lett.Nuovo Cim. 34, 229 (1982) A.Cunsolo, A.Foti, G.Imme, G.Pappalardo, G.Raciti, F.Rizzo, N.Saunier, G.Baur, R.Shyam, F.Rosel, D.Trautmann Inclusive Deuteron Spectra from the 6Li + 12C Collision at 34 MeV NUCLEAR REACTIONS 12C(6Li, dX), E=34 MeV; measured σ(θ, Ed) inclusive; deduced optical model parameters. Zero-range DWBA, breakup, deuteron spectator model.
doi: 10.1007/BF02817116
1982NA15 Phys.Rev. C26, 977 (1982) Finite Range Effects in (d(pol), 3He) Reactions on 54Fe at E(d) = 80 MeV NUCLEAR REACTIONS 54Fe(polarized d, 3He), E=80 MeV; calculated σ(θ), iT11(θ). 53Mn levels deduced S. Zero-range, finite-range DWBA, microscopic form factors.
doi: 10.1103/PhysRevC.26.977
1982NE02 Nucl.Phys. A382, 296 (1982) B.Neumann, H.Rebel, H.J.Gils, R.Planeta, J.Buschmann, H.Klewe-Nebenius, S.Zagromski, R.Shyam, H.Machner Inclusive Break-Up Reactions of 6Li at an Incident Energy of 26 MeV/Nucleon NUCLEAR REACTIONS 40Ca(6Li, p), (6Li, d), (6Li, t), (6Li, 3He), (6Li, α), E=156 MeV; measured σ(θ) versus particle energy. DWBA, breakup, preequilibrium exciton coalescence models.
doi: 10.1016/0375-9474(82)90138-5
1982SH21 Phys.Lett. 116B, 99 (1982) R.Shyam, M.A.Nagarajan, A.C.Shotter, A.N.Bice, J.Cerny Inelastic Scattering of 12C from 208Pb to the Second 0+ State of 12C NUCLEAR REACTIONS 208Pb(12C, 12C'), E=132, 187, 230 MeV; measured σ(θ); deduced real potential characteristics. Microscopic DWBA, folding model.
doi: 10.1016/0370-2693(82)90984-4
1981BA48 Helv.Phys.Acta 53, 506 (1981) G.Baur, R.Shyam, F.Rosel, D.Trautmann Projectile Fragmentation and Stripping to Unbound States: An important reaction mechanism for peripheral nucleus-nucleus collisions NUCLEAR REACTIONS 181Ta, 119Sn, 93Nb, 62Ni, 27Al(d, p), E=25.5 MeV; 62Ni(3He, d), (3He, p), E=24.3 MeV; 58Ni(α, 3He), E=100 MeV; 62Ni(α, 3He), E=172.5 MeV; 58Ni, 90Zr(α, 3He), E=140 MeV; calculated projectile breakup probability vs (L). Elastic, inelastic fragmentation.
1981IO02 Phys.Lett. 103B, 187 (1981) A.A.Ioannides, M.A.Nagarajan, R.Shyam Finite-Range DWBA Analyses of (d(pol), t) and (d(pol), 3He) Reactions on 64Zn at E(d) = 13 MeV NUCLEAR REACTIONS 64Zn(polarized d, t), (polarized d, 3He), E=13 MeV; analyzed σ(θ), iT11(θ). Finite-range DWBA, microscopic overlap functions.
doi: 10.1016/0370-2693(81)90737-1
1981KL06 Nucl.Phys. A370, 205 (1981) J.Kleinfeller, J.Bisplinghoff, J.Ernst, T.Mayer-Kuckuk, G.Baur, B.Hoffmann, R.Shyam, F.Rosel, D.Trautmann Study of Inclusive Proton Spectra from Low Energy Deuteron Reactions in Terms of Spectator Break-Up and Coulomb Dissociation of the Projectile NUCLEAR REACTIONS 27Al, 62Ni, 93Nb, 119Sn, 181Ta, 232Th(d, pX), E=15 MeV; measured σ(Ep), σ(θ). Solid-state counter telescopes.
doi: 10.1016/0375-9474(81)90073-7
1980BA14 Phys.Rev. C21, 2668 (1980) G.Baur, R.Shyam, F.Rosel, D.Trautmann Importance of the Breakup Mechanism for Composite Particle Scattering NUCLEAR REACTIONS 27Al, 62Ni, 93Nb, 181Ta, 197Au(d, p), E=25.5, 80 MeV; 58,62Ni, 90Zr(α, 3He), E=100, 140, 172.5 MeV; calculated breakup, reaction σ, total σ. Optical model.
doi: 10.1103/PhysRevC.21.2668
1980BE11 Nucl.Phys. A343, 221 (1980) U.Bechstedt, H.Machner, G.Baur, R.Shyam, C.Alderliesten, O.Bousshid, A.Djaloeis, P.Jahn Experimental and Theoretical Study of Continuous Proton Spectra from High-Energy Deuteron Induced Reactions NUCLEAR REACTIONS 27Al, 93Nb, 197Au(d, pX), E=80 MeV; measured σ(θp, Ep), integral σ(Ep); deduced reaction mechanism.
doi: 10.1016/0375-9474(80)90651-X
1980SH17 Phys.Rev. C22, 1401 (1980) R.Shyam, G.Baur, F.Rosel, D.Trautmann Elastic and Inelastic Breakup of the 3He Particle NUCLEAR REACTIONS 51V, 90Zr(3He, d), E=90MeV; calculated σ(θd, Ed), elastic, inclusive breakup; 51V, 90Zr(3He, dp), E=90 MeV; calculated σ(θd, θp, Ed); deduced reaction mechanism. DWBA breakup theory.
doi: 10.1103/PhysRevC.22.1401
1979BU15 Z.Phys. A293, 293 (1979) A.Budzanowski, G.Baur, R.Shyam, J.Bojowald, W.Oelert, G.Riepe, M.Rogge, P.Turek, F.Rosel, D.Trautmann Experimental and Theoretical Study of the Elastic Break-up of the Alpha Particle on 58Ni Nuclei at E = 172.5 MeV NUCLEAR REACTIONS 58Ni(α, tp), E=172.5 MeV; measured tp(θ), σ(Et, θp, θt); deduced reaction mechanism. α-breakup, DWBA theory.
doi: 10.1007/BF01435271
1979SH02 Phys.Rev. C19, 1246 (1979) R.Shyam, G.Baur, F.Rosel, D.Trautmann (α, 3He) Breakup Reaction on Nuclei and the Neutron Momentum Distribution in the α Particle NUCLEAR REACTIONS 62Ni(α, n3He), E=172.5 MeV; 209Bi(α, n3He), E=140 MeV; calculated σ(E(3He), En, θ). Plane-wave spectator model, comparison with DWBA.
doi: 10.1103/PhysRevC.19.1246
1978MU12 Phys.Rev. C18, 1110 (1978) S.N.Mukherjee, R.Shyam, S.Pal, N.K.Ganguly Slowly Converging Integrals in the Analysis of Deuteron Stripping to Decaying States NUCLEAR REACTIONS 32S(d, p), E=12 MeV; calculated σ(Ep, θ). Method of handling divergent integrals discussed.
doi: 10.1103/PhysRevC.18.1110
1977MU04 Phys.Rev. C15, 1238 (1977) S.N.Mukherjee, R.Shyam, S.Pal, N.K.Ganguly Distorted Wave Analysis of (d, p) Reactions to Decaying States NUCLEAR REACTIONS 32S, 16O(d, p), E=12-13.3 MeV; calculated σ(E). DWBA analysis.
doi: 10.1103/PhysRevC.15.1238
1976SH13 Phys.Rev. C13, 2099 (1976) Deuteron Stripping Reaction to Unbound States NUCLEAR REACTIONS 12,14C, 16O(d, p), (d, n), E=6-15 MeV; calculated σ(θ).
doi: 10.1103/PhysRevC.13.2099
1975MU01 Phys.Rev. C11, 476 (1975) 40,48Ca(d, p) Reactions Near the Coulomb Barrier: Comparison of Coupled-Channel and Distorted-Wave Born-Approximation Calculations NUCLEAR REACTIONS 40,48Ca(d, d), (d, p), E=2.0-5.5 MeV; calculated σ(E, θ), T11(θ), coupled-channel model, DWBA.
doi: 10.1103/PhysRevC.11.476
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