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NSR database version of April 27, 2024.

Search: Author = L.Titus

Found 7 matches.

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2019MA26      Phys.Rev. C 99, 041302 (2019); Erratum Phys.Rev. C 99, 069901 (2019)

B.Manning, G.Arbanas, J.A.Cizewski, R.L.Kozub, S.Ahn, J.M.Allmond, D.W.Bardayan, K.Y.Chae, K.A.Chipps, M.E.Howard, K.L.Jones, J.F.Liang, M.Matos, C.D.Nesaraja, F.M.Nunes, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, K.T.Schmitt, D.Shapira, M.S.Smith, L.Titus

Informing direct neutron capture on tin isotopes near the N=82 shell closure

NUCLEAR REACTIONS ²H(¹²⁴Sn, p), (¹²⁶Sn, p), (¹²⁸Sn, p), E=630 MeV; measured Ep, Ip, (recoils)p-coin, Q-value spectra, differential σ(θ) using Super Oak Ridge Rutgers University Barrel Array (SuperORRUBA) for light charged particle detection and ionization chamber for detection of beam intensity and recoils at Oak Ridge National Laboratory. ^125,127,129Sn; deduced levels, Jπ, L-transfers, spectroscopic factors. ²H(¹³⁰Sn, p), (¹³²Sn, p); reanalyzed previous experimental data. Angular distribution data compared with Finite Range Adiabatic Wave Approximation. ^{124,126,128,130,132}Sn(n, γ), E=30 keV; calculated direct-semidirect σ(n, γ) from spectroscopic information, and compared with various theoretical predictions. Relevance to r-process abundance calculations.

doi: 10.1103/PhysRevC.99.041302
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14557. Data from this article have been entered in the XUNDL database. For more information, click here.

2017LO16      Phys.Rev. C 96, 051601 (2017)

A.E.Lovell, P.-L.Bacq, P.Capel, F.M.Nunes, L.J.Titus

Energy dependence of nonlocal optical potentials

NUCLEAR REACTIONS ²⁰⁸Pb(n, n), E=7.0, 9.0, 11.0, 14.6, 16.9, 20.0, 22.0, 26.0, 30.3, 40.0 MeV; ⁴⁰Ca(n, n), E=9.9, 11.9, 13.9, 16.9, 21.7, 25.5, 30.1, 40.1 MeV; ⁹⁰Zr(n, n), E=5.9, 7.0, 8.0, 10.0, 11.0, 24.0 MeV; ²⁷Al(n, n), E=10.159, 18, 26 MeV; ¹¹⁸Sn(n, n), E=11, 14, 18, 24 MeV; analyzed differential σ(θ, E) data; deduced two new parametrizations by including energy dependence in the original nonlocal Perey and Buck (PB) and Tian, Pang, and Ma (TPM) potentials.

doi: 10.1103/PhysRevC.96.051601
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2016RO14      Phys.Rev. C 94, 014607 (2016)

A.Ross, L.J.Titus, F.M.Nunes

Examining the effect of nonlocality in (d, n) transfer reactions

NUCLEAR REACTIONS ¹⁶O, ^40,48Ca, ^126,132Sn, ²⁰⁸Pb(d, n), E=20, 50 MeV; analyzed σ(θ, E) data using distorted-wave Born approximation (DWBA) and the adiabatic wave approximation; deduced importance of including nonlocality explicitly in the analysis of deuteron-induced reactions.

doi: 10.1103/PhysRevC.94.014607
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2016TI02      Phys.Rev. C 93, 014604 (2016)

L.J.Titus, F.M.Nunes, G.Potel

Explicit inclusion of nonlocality in (d, p) transfer reactions

NUCLEAR REACTIONS ¹⁶O, ^40,48Ca, ^126,132Sn, ²⁰⁸Pb(d, p), E=10, 20, 50 MeV; calculated σ(θ) using local and nonlocal potentials. Comparison of σ(θ) with distorted wave Born approximation (DWBA) and adiabatic distorted wave approximation (ADWA) calculations. Effect of nonlocality on (d, p) transfer cross sections and spectroscopic factors. Comparison of theoretical σ(θ) distributions with experimental data.

doi: 10.1103/PhysRevC.93.014604
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2015RO17      Phys.Rev. C 92, 044607 (2015)

A.Ross, L.J.Titus, F.M.Nunes, M.H.Mahzoon, W.H.Dickhoff, R.J.Charity

Effects of nonlocal potentials on (p, d) transfer reactions

NUCLEAR REACTIONS ⁴⁰Ca(p, d)³⁹Ca, E=20, 35, 50 MeV; ⁴⁰Ca(p, p), E=50 MeV; calculated σ(θ) distributions using nonlocal potential obtained from non-local dispersive optical model (DOM) and DOM-phase equivalent (PE), combined with DWBA. Comparison with Perey-Buck (PB) optical potential predictions, and with experimental data.

doi: 10.1103/PhysRevC.92.044607
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2014TI01      Phys.Rev. C 89, 034609 (2014)

L.J.Titus, F.M.Nunes

Testing the Perey effect

NUCLEAR REACTIONS ¹⁷O, ^41,49Ca, ^127,133Sn, ²⁰⁹Pb(p, d), (p, p), E=20, 50 MeV; calculated elastic σ(θ, E), real and imaginary parts of the partial waves, transfer σ(θ, E). Distorted wave Born approximation (DWBA) and Perey-Buck type interactions for nonlocal interactions. Tested validity of Perey correction factor for single-channel bound and scattering states, and in (p, d) transfer σ. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.034609
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2011TI09      Phys.Rev. C 84, 035805 (2011)

L.J.Titus, P.Capel, F.M.Nunes

Asymptotic normalization of mirror states and the effect of couplings

NUCLEAR STRUCTURE ⁸Li, ⁸B, ¹³C, ¹³N, ¹⁷O, ¹⁷F, ²³Ne, ²³Al, ²⁷Mg, ²⁷P; calculated depths V_ws of the central potential, Ratio of proton to neutron asymptotic normalization coefficients (ANCs) for the dominant component, spectroscopic factors for mirror nuclei, effect of the strength and multipolarity of the couplings induced. Astrophysically relevant proton capture reactions on proton-rich nuclei. Microscopic cluster model. Implications for novae.

doi: 10.1103/PhysRevC.84.035805
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Note: The following list of authors and aliases matches the search parameter L.Titus: , L.J.TITUS