Nuclear Science References (NSR)

NUCLEAR REACTIONS ⁹Be(¹¹Be, n)¹⁰Be, (¹²C, n)¹¹C, E=60 MeV/nucleon; calculated 1n-knockut σ with diffractive-breakup and stripping contributions. ⁹Be(¹⁰Be, ¹⁰Be), (¹¹C, ¹¹C), E=60 MeV/nucleon; calculated elastic σ(θ). Bayesian analysis of the reaction model, quantifying parametric uncertainties on the optical potentials, to obtain uncertainty intervals for knockout observables. Optical potentials obtained from many-body calculations with chiral force. Comparison to experimental data.

doi: 10.1103/PhysRevC.108.014601
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2023HE15 Phys.Rev.Lett. 131, 212503 (2023)

C.Hebborn, F.M.Nunes, A.E.Lovell

New Perspectives on Spectroscopic Factor Quenching from Reactions

NUCLEAR REACTIONS ¹H(³⁴Ar, d), (³⁶Ar, d), (⁴⁶Ar, d), E=33 MeV/nucleon; analyzed available data using the Adiabatic Wave Approximation (ADWA); deduced that the spectroscopic strengths of loosely bound nucleons extracted from both probes agree with each other and, although there are still discrepancies for deeply bound nucleons, the slope of the asymmetry dependence of the single-particle strengths inferred from transfer and knockout reactions are consistent within 1 sigma.

doi: 10.1103/PhysRevLett.131.212503
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2023KR09 Phys.Lett. B 845, 138156 (2023)

K.Kravvaris, P.Navratil, S.Quaglioni, C.Hebborn, G.Hupin

Ab initio informed evaluation of the radiative capture of protons on ⁷Be

NUCLEAR REACTIONS ⁷Be(p, γ), E(cm)<10 MeV; analyzed available data; deduced eigenphase shifts, S-factors using a set of first-principle (or, ab initio) calculations to provide an independent prediction of the low-energy S-factor with quantified uncertainties.

doi: 10.1016/j.physletb.2023.138156
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2022HE12 Phys.Rev.Lett. 129, 042503 (2022)

C.Hebborn, G.Hupin, K.Kravvaris, S.Quaglioni, P.Navratil, P.Gysbers

Ab Initio Prediction of the ⁴He(d, γ)⁶Li Big Bang Radiative Capture

NUCLEAR REACTIONS ⁴He(d, γ)⁶Li, E<1 MeV; calculated S-factor, thermonuclear reaction rates, ground-state properties. The ab initio no-core shell model with continuum. Comparison with available data.

doi: 10.1103/PhysRevLett.129.042503
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2021HE19 Phys.Rev. C 103, 064614 (2021)

C.Hebborn, P.Capel

Detailed study of the eikonal reaction theory for the breakup of one-neutron halo nuclei

NUCLEAR REACTIONS ¹²C(¹¹Be, X), E=67 MeV/nucleon; ²⁰⁸Pb(¹¹Be, X), E=69 MeV/nucleon; calculated breakup cross section of ¹¹Be as a function of the ¹⁰Be-n relative energy, cross sections as a function of the ¹⁰Be-n parallel-momentum for the diffractive breakup of ¹¹Be using dynamical eikonal approximation (DEA), and eikonal reaction theory (ERT); discussed role of different interactions in the dynamics of breakup reactions of one-neutron halo nuclei.

doi: 10.1103/PhysRevC.103.064614
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2021HE22 Phys.Rev. C 104, 024616 (2021)

C.Hebborn, P.Capel

Halo effective field theory analysis of one-neutron knockout reactions of ¹¹Be and ¹⁵C

NUCLEAR REACTIONS ⁹Be(¹¹Be, ¹⁰Be), (¹⁵C, ¹⁴C), E≈60 MeV/nucleon; analyzed experimental data for parallel-momentum distributions for one-neutron knockout reactions; calculated integrated diffractive-breakup σ, stripping σ, and one-neutron knockout σ using eikonal-based model of the reaction with halo effective field theory (halo-EFT) description of the projectile, and optical model potentials.

doi: 10.1103/PhysRevC.104.024616
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2021HE23 Phys.Rev. C 104, 034624 (2021)

C.Hebborn, F.M.Nunes

Considering nonlocality in the optical potentials within eikonal models

NUCLEAR REACTIONS ²⁰⁸Pb(d, p)²⁰⁹Pb, E=100, 138, 300 MeV; ²⁰⁸Pb(n, n), E=69, 150 MeV; calculated differential σ(E, θ), scattering wave function for s-wave neutron impinging on ²⁰⁸Pb using exact R-matrix approach for elastic scattering and adiabatic distorted wave approximation (ADWA) for transfer reactions; deduced impact of nonlocality in the high-energy regime on transfer observables, especially in knockout reactions. Extension of the eikonal method to nonlocal interactions, including an iterative method and a perturbation theory.

doi: 10.1103/PhysRevC.104.034624
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2020HE12 Phys.Rev. C 101, 054609 (2020)

C.Hebborn, D.Baye

Simplified dynamical eikonal approximation

NUCLEAR REACTIONS ¹²C(¹¹Be, X), E=67 MeV/nucleon; ²⁰⁸Pb(¹¹Be, X), E=69 MeV/nucleon; calculated break-up σ as function of ¹⁰Be-n parallel momentum, Coulomb contribution to break-up σ; compared energy and parallel-momentum cross sections obtained with the dynamical eikonal approximation (DEA), the usual eikonal approximation (CCE), and the simplified dynamical eikonal approximation (S-DEA); developed Coulomb-corrected eikonal method (CCE) using the Coulomb first-order-perturbation approximation. Relevance to the nuclear structure of halo nuclei.

doi: 10.1103/PhysRevC.101.054609
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2019HE16 Phys.Rev. C 100, 054607 (2019)

C.Hebborn, P.Capel

Sensitivity of one-neutron knockout to the nuclear structure of halo nuclei

NUCLEAR REACTIONS ¹²C(¹¹Be, n¹⁰Be)¹²C, E=68 MeV/nucleon; calculated radial wave functions of the 1s_1/2 ground state of ¹¹Be and for different interactions in the p_1/2 waves, parallel-momentum distribution of ¹⁰Be from the diffractive breakup and the stripping of ¹¹Be on ¹²C, influence of the presence of a subthreshold bound state p_1/2 in the projectile spectrum on breakup observables for ¹¹Be, diffractive breakup cross section as a function of the ¹⁰Be-neutron relative energy and of the parallel-momentum of ¹⁰Be, total diffractive breakup and inelastic cross sections, influence of a d_5/2 resonance on breakup observables, integrated breakup cross sections using a Halo-EFT description of ¹¹Be and eikonal model of reaction. Discussed possibility of using one-neutron knockout cross section to extract information about the tail of the ground-state wave function namely its asymptotic normalization coefficient (ANC), and comparing that with the results from available experimental data.

doi: 10.1103/PhysRevC.100.054607
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2018HE16 Phys.Rev. C 98, 044610 (2018)

C.Hebborn, P.Capel

Low-energy corrections to the eikonal description of elastic scattering and breakup of one-neutron halo nuclei in nuclear-dominated reactions

NUCLEAR REACTIONS ¹²C(¹¹Be, ¹¹Be), (¹¹Be, X), E=10, 20 MeV/nucleon; calculated elastic scattering σ(E), differential σ(E, θ), breakup σ(E) of halo nuclei using semiclassical and S-matrix correction to eikonal approximation. Comparison with other theoretical predictions. Relevance to experiments using HIE-ISOLDE facility at CERN and future ReA12 facility at NSCL-MSU.

doi: 10.1103/PhysRevC.98.044610
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2017HE20 Phys.Rev. C 96, 054607 (2017)

C.Hebborn, P.Capel

Analysis of corrections to the eikonal approximation

NUCLEAR REACTIONS ¹²C(¹⁰Be, ¹⁰Be), (¹¹Be, ¹¹Be), E=10, 20 MeV/nucleon; calculated σ(θ, E) normalized to Rutherford cross section for halo nuclei using partial-wave expansion, standard eikonal approximation, its nuclear corrections at the first order with and without the semiclassical Coulomb correction, and complex semiclassical correction.

doi: 10.1103/PhysRevC.96.054607
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