Nuclear Science References (NSR)

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NSR database version of April 27, 2024.

Search: Author = M.Lekala

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2022MU05 Nucl.Phys. A1020, 122397 (2022)

B.Mukeru, L.V.Ndala, M.L.Lekala

Breakup of s-wave neutron-halo systems with near zero binding energy

NUCLEAR REACTIONS ²⁰⁸Pb(¹¹Be, X), (³⁷Mg, X), E not given; analyzed available data. ¹⁰Be, ³⁶Mg; deduced ground-state densities, Coulomb breakup σ, σ(θ). The continuum-discretization coupled-channels (CDCC) formalism.

doi: 10.1016/j.nuclphysa.2022.122397
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2022MU11 Int.J.Mod.Phys. E31, 2250025 (2022)

B.Mukeru, L.V.Ndala, M.L.Lekala

Importance of multi-step processes in the Coulomb and nuclear breakups of ¹⁵C halo nucleus

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁵C, X), E=68 MeV/nucleon; analyzed available data. ¹⁵C; deduced the continuum-continuum couplings and higher-order multipole transitions, which are characteristic of nuclear reactions induced by loosely bound projectiles, strongly suppress the nuclear breakup σ with a negligible effect on the Coulomb breakup σ.

doi: 10.1142/S0218301322500252
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2020MU01 Nucl.Phys. A996, 121700 (2020)

B.Mukeru, M.L.Lekala, J.Lubian, L.Tomio

Theoretical analysis of ⁸Li + ²⁰⁸Pb reaction and the critical angular momentum for complete fusion

doi: 10.1016/j.nuclphysa.2020.121700
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2019ME03 J.Phys.(London) G46, 095102 (2019)

E.F.Meoto, M.L.Lekala, G.J.Rampho, B.Mukeru

Atomic binding energies for the ground state of some helium-like hypernuclear atoms

ATOMIC PHYSICS ^3,4,5,6,7,8He; calculated atomic binding energies for a few two-electron hypernuclear atoms.

doi: 10.1088/1361-6471/ab26f2
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2018MU01 Nucl.Phys. A969, 60 (2018)

B.Mukeru, G.J.Rampho, M.L.Lekala

Role of projectile resonances on breakup and fusion cross sections in the ⁶Li + ¹⁴⁴Sm reaction

NUCLEAR REACTIONS ¹⁴⁴Sm(⁶Li, x), E(cm)=0.6-2.0 Coulomb barrier; calculated σ(θ), breakup σ, fusion σ both using and without resonances; deduced (in average) increase of breakup σ and suppression of fusion σ above the barrier in the presence of resonances.

doi: 10.1016/j.nuclphysa.2017.09.013
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2018MU05 J.Phys.(London) G45, 045101 (2018)

B.Mukeru, G.J.Rampho, M.L.Lekala

Breakup and fusion cross sections of the ⁶Li nucleus with targets of mass A = 58, 144 and 208

NUCLEAR REACTIONS ⁵⁸Ni, ¹⁴⁴Sm, ²⁰⁸Pb(⁶Li, X), E not given; calculated breakup and fusion σ.

doi: 10.1088/1361-6471/aaad42
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2017MU11 Nucl.Phys. A965, 1 (2017)

B.Mukeru, M.L.Lekala

Importance of the continuum-continuum couplings in the ⁶Li elastic breakup on different target masses

NUCLEAR REACTIONS ⁵⁸Ni, ¹⁴⁴Sm, ²⁰⁸Pb(⁶Li, dα), E=35 MeV; calculated elastic breakup σ(θ) and separately also its components (nuclear, Coulomb, Coulomb-nuclear interference) using CCC (Continuum-Continuum Coupling) with FRESCO code, scaling of Coulomb, nuclear and total σ vs target charge with and without CCC; deduced influence of CCC.

doi: 10.1016/j.nuclphysa.2017.05.075
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2017MU18 Int.J.Mod.Phys. E26, 1750075 (2017)

B.Mukeru, M.L.Lekala

Partial-wave analysis and multipole transition interferences in the breakup of ⁶Li on ¹⁵²Sm target

NUCLEAR REACTIONS ¹⁵²Sm(⁶Li, X), E=50 MeV; analyzed available data; deduced partial-wave contribution to the breakup σ as well as multipole interference effects.

doi: 10.1142/S0218301317500756
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2016MU09 Phys.Rev. C 94, 024602 (2016)

B.Mukeru, M.L.Lekala

Effects of projectile resonances on the total, Coulomb, and nuclear breakup cross sections in the ⁶Li + ¹⁵²Sm reaction

NUCLEAR REACTIONS ¹⁵²Sm(⁶Li, X), E=35, 45, 50, 60 MeV; calculated energy-integrated resonant and nonresonant total, Coulomb and nuclear breakup σ(E, θ), Coulomb nuclear interferences. Three-body continuum-discretized coupled channels (CDCC) calculations.

doi: 10.1103/PhysRevC.94.024602
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2015MU01 J.Phys.(London) G42, 15109 (2015)

B.Mukeru, M.Lekala, A.S.Denikin

Study of the effects of nuclear and Coulomb interactions in the breakup of ¹⁹C on ²⁰⁸Pb

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁹C, X), E=67 MeV/nucleon; calculated the effects of the nuclear and Coulomb breakups; deduced contributions of the partial waves for the normalization of the breakup σ.

doi: 10.1088/0954-3899/42/1/015109
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2015MU03 Nucl.Phys. A935, 18 (2015)

B.Mukeru, M.L.Lekala, A.S.Denikin

Role of the diagonal and off-diagonal continuum-continuum couplings in the breakup of ⁸B and ¹⁹C on ⁵⁸Ni and ²⁰⁸Pb targets

NUCLEAR REACTIONS ⁵⁸Ni(⁸B, x), E=29.3 MeV;²⁰⁸Pb(⁸B, x), E=170.3 MeV;²⁰⁸Pb(¹⁹C, x), E=1273 MeV; calculated elastic scattering σ, σ(θ), nuclear+Coulomb breakup σ, σ(θ) using CDCC; deduced Coulomb-nuclear interference.

doi: 10.1016/j.nuclphysa.2014.12.007
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2015MU06 Phys.Rev. C 91, 064609 (2015)

B.Mukeru, M.L.Lekala

First-order and higher-order interferences in the ¹⁵C+²⁰⁸Pb and ¹¹Be+²⁰⁸Pb reactions

NUCLEAR REACTIONS ²⁰⁸Pb(¹¹Be, X), (¹⁵C, X), E=68 MeV/nucleon; calculated partial-wave differential breakup, total, Coulomb, and nuclear breakup σ, σ(θ). Partial-wave analysis of the first- and higher-order interference effects. Continuum discretized coupled channel (CDCC) method. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.064609
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2015MU07 J.Phys.(London) G42, 085110 (2015)

B.Mukeru, M.L.Lekala, G.J.Rampho

Coulomb barrier penetrability in the ¹¹Be + ²⁰⁸Pb breakup reaction

NUCLEAR REACTIONS ²⁰⁸Pb(¹¹Be, X), E not given; calculated σ(θ), breakup σ inside and outside the Coulomb barrier and the barrier penetrability. Comparison with available data.

doi: 10.1088/0954-3899/42/8/085110
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2014LE10 Phys.Atomic Nuclei 77, 472 (2014)

M.L.Lekala, G.J.Rampho, R.M.Adam, S.A.Sofianos, V.B.Belyaev

The double-Λ hypernucleus ¹¹_ΛΛ Be

NUCLEAR STRUCTURE ¹¹Be; calculated ground-state energy of the double-Λ hypernucleus. Five-body model.

doi: 10.1134/S1063778814040048
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2007RA18 Nucl.Phys. A790, 691c (2007)

G.J.Rampho, M.L.Lekala, S.A.Sofianos, R.M.Adam

Relaxation method for A-body systems

doi: 10.1016/j.nuclphysa.2007.03.017
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2007SO16 Nucl.Phys. A790, 796c (2007)

S.A.Sofianos, M.L.Lekala, G.J.Rampho, V.A.Roudnev