NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = P.Fraser Found 24 matches. 2022AM07 Eur.Phys.J. A 58, 181 (2022) K.Amos, S.Karataglidis, L.Canton, P.R.Fraser, K.Murulane Coupled-channel description for mirror mass-11 nuclei compared to shell-model structures NUCLEAR STRUCTURE 10,11Be, 10,11C, 10,11B, 11N; calculated energy levels, J, π; deduced parameter values used in the coupled-channel evaluations. The Multi-Channel Algebraic Scattering method (MCAS).
doi: 10.1140/epja/s10050-022-00828-1
2021AM03 Eur.Phys.J. A 57, 165 (2021) K.Amos, P.R.Fraser, S.Karataglidis, L.Canton Low-energy spectra of mirror mass-19 nuclei with a collective coupled-channel scattering model NUCLEAR STRUCTURE 3H, 3,4He, 15N, 15,16,18,19O, 19Na, 19F, 18,19Ne; analyzed available data for mirror pairs; deduced low-excitation states the Multi-Channel Algebraic Scattering (MCAS) method.
doi: 10.1140/epja/s10050-021-00479-8
2019FR03 Phys.Rev. C 100, 024609 (2019) P.R.Fraser, K.Amos, L.Canton, S.Karataglidis, D.van der Knijff, J.P.Svenne Mass-15 nuclei and predicting narrow states beyond the proton drip line NUCLEAR STRUCTURE 15C, 15N, 15O, 15F; calculated levels, J, π and widths using multichannel algebraic scattering (MCAS) technique, and n+14O or p+14C and p+14O or n+14C mirror systems. Comparison with experimental data. NUCLEAR REACTIONS 1H(14O, 15F), E=E=95 MeV/nucleon; calculated cross sections for population of levels in 15F using multichannel algebraic scattering (MCAS) technique, and using the vibrational model for the interaction potential for p+14O cluster. Comparison with experimental data.
doi: 10.1103/PhysRevC.100.024609
2017AM02 Eur.Phys.J. A 53, 72 (2017) K.Amos, L.Canton, P.R.Fraser, S.Karataglidis, J.P.Svenne, D.van der Knijff A multi-channel model for an α plus 6He nucleus cluster NUCLEAR REACTIONS 4He(6He, 6He'), E=2-6 MeV(10Be E*=9.4-13.4 MeV); calculated σ(θ). Compared with data. NUCLEAR STRUCTURE 10Be; calculated levels, J, πi, charge distribution using three- and five-state MCAS (Multi-Channel Algebraic Scattering). Compared with data.
doi: 10.1140/epja/i2017-12270-1
2017FR05 Phys.Rev. C 96, 014619 (2017) P.R.Fraser, K.Massen-Hane, A.S.Kadyrov, K.Amos, I.Bray, L.Canton Effective two-body model for spectra of clusters of 2H, 3H, 3He and 4He with 4He, and 2H - 4He scattering NUCLEAR REACTIONS 4He(t, X)7Li, 4He(3He, X)7Be, 4He(α, X)8Be, 4He(d, X)6Li; calculated low-energy spectra of 6Li, 7Li, 7Be and 8Be, considering 7Li as cluster of 4He with 3H, 7Be as cluster of 4He with 3He, 8Be as cluster of 4He with 4He, and 6Li as cluster of 4He with 2H. 4He(d, d), E=0.6-11 MeV; calculated σ(E, θ). Comparison with experimental data. Solution of single-channel Lippmann-Schwinger equations.
doi: 10.1103/PhysRevC.96.014619
2017SV01 Phys.Rev. C 95, 034305 (2017) J.P.Svenne, L.Canton, K.Amos, P.R.Fraser, S.Karataglidis, G.Pisent, D.van der Knijff Very low-energy nucleon-16O coupled-channel scattering: Results with a phenomenological vibrational model NUCLEAR STRUCTURE 17O, 17F; calculated levels, J, π, widths. 16O; calculated B(E2) for the first 2+ and B(E3) for the first 3- state, ρ2(E0) for the first excited 0+ state. Multichannel algebraic scattering method (MCAS)for bound states and resonances. Comparison with experimental data. NUCLEAR REACTIONS 16O(n, X), E=0.001-8.5 MeV; calculated total σ(E). 16O(p, X), E<4.5 MeV; calculated differential σ(E, θ). Multichannel algebraic scattering method (MCAS) for nucleon-16O cluster systems. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.034305
2016FR07 J.Phys.(London) G43, 095104 (2016) P.R.Fraser, A.S.Kadyrov, K.Massen-Hane, K.Amos, L.Canton, S.Karataglidis, D.van der Knijff, I.Bray Structure of 23Al from a multi-channel algebraic scattering model based on mirror symmetry NUCLEAR REACTIONS 22Mg(p, X)23Al, E(cm)<4 MeV; calculated σ(θ). Comparison with experimental data. NUCLEAR STRUCTURE 23Al; calculated energy levels, J, π. Comparison with experimental data.
doi: 10.1088/0954-3899/43/9/095104
2016FR09 Phys.Rev. C 94, 034603 (2016) P.R.Fraser, K.Massen-Hane, K.Amos, I.Bray, L.Canton, R.Fossion, A.S.Kadyrov, S.Karataglidis, J.P.Svenne, D.van der Knijff Importance of resonance widths in low-energy scattering of weakly bound light-mass nuclei NUCLEAR STRUCTURE 9Be; calculated levels, resonances J, π, widths of a compound nucleus with 8Be+n cluster by solving the Lippmann-Schwinger equations in momentum space. Comparison with multichannel algebraic scattering (MCAS) calculations with target states. NUCLEAR REACTIONS 8Be(n, n), E<5.5 MeV; 12C(n, n), (n, X), E<6.5 MeV; calculated elastic and reaction σ(E) coupled to first 0+, 2+ and 4+ states in 8Be, reaction σ with particle emission widths of 12C coupled to g.s., first 2+ and first excited 0+ states in 12C; deduced effect of particle-emitting resonances on the scattering cross section. Method involved choosing an appropriate target-state resonance shape, modifying a Lorentzian by use of widths dependent on projectile energy, with a correction to target-state centroid energy.
doi: 10.1103/PhysRevC.94.034603
2015FR04 Eur.Phys.J. A 51, 110 (2015) P.R.Fraser, K.Amos, L.Canton, S.Karataglidis, D.van der Knijff, J.P.Svenne A collective coupled-channel model and mirror state energy displacements NUCLEAR STRUCTURE 12C; calculated charge distribution, radius; deduced interaction parameters. 13,15C, 13,15,16N, 15,16O, 15F; calculated energy levels, J, π; deduced interaction parameters. MCAS (multi-channel algebraic scattering) method; compared to data. NUCLEAR REACTIONS 1H(14O, 14O'), E(cm)=0.3-9 MeV; calculated σ(θ) using MCAS (multi-channel algebraic scattering) method; compared to data.
doi: 10.1140/epja/i2015-15110-4
2014FR08 Phys.Rev. C 90, 024616 (2014) P.R.Fraser, L.Canton, K.Amos, S.Karataglidis, J.P.Svenne, D.van der Knijff Coupling to two target-state bands in the study of the n+22Ne system at low energy NUCLEAR STRUCTURE 22Ne; calculated low-lying levels, J, π, dominant partition percentages, β2, B(E2) using large-space shell-model. 23Ne; calculated levels, resonances, J, π by coupling to low-lying states in 22Ne using multichannel algebraic scattering (MCAS) formalism for n+22Ne system; comparison with experimental spectrum of 23Ne. NUCLEAR REACTIONS 22Ne(n, n), E<4.5 MeV; calculated elastic σ(E), resonances, J, π using multichannel algebraic scattering (MCAS) formalism. Comparison with experimental data.
doi: 10.1103/PhysRevC.90.024616
2013AM01 Nucl.Phys. A912, 7 (2013) K.Amos, L.Canton, P.R.Fraser, S.Karataglidis, J.P.Svenne, D.van der Knijff Analysis of a coupled-channel continuum approach for spectra of mass-17 compound systems NUCLEAR STRUCTURE 17C, 17Na; calculated levels, J, π, level widths using MCAS (multi-channel algebraic scattering).
doi: 10.1016/j.nuclphysa.2013.05.008
2012AM01 Nucl.Phys. A879, 132 (2012) K.Amos, L.Canton, P.R.Fraser, S.Karataglidis, J.P.Svenne, D.van der Knijff Linking the exotic structure of 17C to its unbound mirror 17Na NUCLEAR STRUCTURE 17C, 17Na; calculated low-lying resonances, deformation using MCAS (multichannel algebraic scattering) method to coupled Lippmann-Schwinger equation in momentum space and CC model of nucleon-nucleus structure; deduced parameters.
doi: 10.1016/j.nuclphysa.2012.01.022
2012AM06 Europhys.Lett. 99, 12001 (2012) K.Amos, D.van der Knijff, L.Canton, P.R.Fraser, S.Karataglidis, J.P.Svenne Linking nuclear masses with nucleon-removal thresholds and the mass of the proton-emitter 17Na NUCLEAR STRUCTURE 6,7Li, 8,9Be, 10,11B, 12,13,17C, 14,15,17N, 16,17O, 17,18,19F, 17,20Ne, 17Na; calculated ground state gap energies, masses, nucleon removal thresholds. Comparison with available data.
doi: 10.1209/0295-5075/99/12001
2012ER02 Phys.Rev. C 85, 034307 (2012) M.J.Ermamatov, P.C.Srivastava, P.R.Fraser, P.Stransky, I.O.Morales Coriolis contribution to excited states of deformed 163Dy and 173Yb nuclei with multiple mass parameters NUCLEAR STRUCTURE 163Dy, 173Yb; calculated high-spin levels, J, π, ground-state, β and γ bands, B(E2) ratios, Coriolis contribution. Bohr Hamiltonian. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.034307
2012ER08 Eur.Phys.J. A 48, 123 (2012) M.J.Ermamatov, P.C.Srivastava, P.R.Fraser, P.Stransky Ground-state, β and K = 11/2-γ bands in 163, 165Er NUCLEAR STRUCTURE 163,165Er; calculated vibrational, rotational bands, γ decay energies, B(E2) using Bohr Hamiltonian for collective behavior. Compared with data.
doi: 10.1140/epja/i2012-12123-5
2012FR02 Phys.Rev. C 85, 014317 (2012) P.R.Fraser, H.Yepez-Martinez, P.O.Hess, G.Levai Phenomenological and microscopic cluster models. II. Phase transitions NUCLEAR STRUCTURE 20Ne, 24Mg; calculated lowest energy levels, J, π, phase transitions. semi-microscopic and phenomenological algebraic cluster models (SACM, PACM), α-cluster states.
doi: 10.1103/PhysRevC.85.014317
2012YE02 Phys.Rev. C 85, 014316 (2012) H.Yepez-Martinez, P.R.Fraser, P.O.Hess, G.Levai Phenomenological and microscopic cluster models. I. The geometric mapping
doi: 10.1103/PhysRevC.85.014316
2012YE04 Rom.J.Phys. 57, 513 (2012) H.Yepez-Martinez, P.R.Fraser, P.O.Hess Applications of a Semi-Microscopic Cluster Model for Astrophysical Processes NUCLEAR REACTIONS 14C(α, X)18O, 20Ne(α, X)24Mg, E not given; calculated energy levels, J, π, B(E2), B(M1), spectroscopic factors.
2012YE07 Phys.Rev. C 86, 034309 (2012) H.Yepez-Martinez, M.J.Ermamatov, P.R.Fraser, P.O.Hess Application of the semimicroscopic algebraic cluster model to core +α nuclei in the p and sd shells NUCLEAR REACTIONS 12,14,18C, 16,18O, 20Ne(α, X), E not given; calculated levels, J, π, B(E2), B(M1), B(E1), spectroscopic factors, using the semimicroscopic algebraic cluster model (SACM). Comparison with experimental data.
doi: 10.1103/PhysRevC.86.034309
2011CA10 Phys.Rev. C 83, 047603 (2011) L.Canton, P.R.Fraser, J.P.Svenne, K.Amos, S.Karataglidis, D.van der Knijff Energy-dependent target widths in a coupled-channel scattering study NUCLEAR REACTIONS 8Be(n, n), (n, n'), E=0-6 MeV; calculated σ(E). 9Be; calculated resonances, J, π, width using multichannel algebraic scattering formalism for particle emitting resonances. Comparison with experimental data.
doi: 10.1103/PhysRevC.83.047603
2011ER04 Phys.Rev. C 84, 044321 (2011) Rotational-vibrational excited states of axially symmetric nuclei with different mass parameters NUCLEAR STRUCTURE 154Sm, 156Gd, 172,173Yb, 182W; calculated levels, J, π, B(E2). Bohr Hamiltonian with the β-vibration potential. Comparison with experimental data.
doi: 10.1103/PhysRevC.84.044321
2008FR02 Eur.Phys.J. A 35, 69 (2008) P.Fraser, K.Amos, S.Karataglidis, L.Canton, G.Pisent, J.P.Svenne Two causes of nonlocalities in nucleon-nucleus potentials and their effects in nucleon-nucleus scattering NUCLEAR REACTIONS 12C(n, n), (n, n'), E=40.3, 95 MeV; 12C(p, p), (p, p'), E=200 MeV; calculated σ(θ), Ay(θ). 12C(e, e), E not given; calculated longitudinal and transverse form factors. Coupled channel calculations, comparison with data.
doi: 10.1140/epja/i2007-10524-1
2008FR11 Phys.Rev.Lett. 101, 242501 (2008) P.Fraser, K.Amos, L.Canton, G.Pisent, S.Karataglidis, J.P.Svenne, D.van der Knijff Coupled-Channel Evaluations of Cross Sections for Scattering Involving Particle-Unstable Resonances NUCLEAR REACTIONS 12C(n, n'), E < 6 MeV; 8Be(n, n'), E < 4 MeV; calculated cross sections using a multichannnel algebraic scattering approach; 9Be; calculated levels energies, widths. Compared results to available data.
doi: 10.1103/PhysRevLett.101.242501
2008KA39 Nucl.Phys. A813, 235 (2008) S.Karataglidis, K.Amos, P.Fraser, L.Canton, J.P.Svenne Constraints on the spectra of 17, 19C NUCLEAR STRUCTURE 17,19C; analyzed levels, J, radii with shell model and coupled-channel approach, scattering data. NUCLEAR REACTIONS 1H(17C, 17C), (19C, 19C), E=70 MeV/nucleon; analyzed elastic and inelastic σ(θ). 17,19C(p, p'), E=70 MeV; analyzed σ(θ). Microscopic g-folding and distorted wave approximation calculations.
doi: 10.1016/j.nuclphysa.2008.09.007
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