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NSR database version of May 3, 2024.

Search: Author = M.Gobel

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2023GO01      Phys.Rev. C 107, 014617 (2023)

M.Gobel, B.Acharya, H.-W.Hammer, D.R.Phillips

Final-state interactions and spin structure in E1 breakup of ¹¹Li in halo effective field theory

NUCLEAR STRUCTURE ¹¹Li; charge radii, mean-square neutron charge radius, calculated E1 strength distribution with inclusion of final state interactions in neutron-neutron and neutron-core channels, cumulative B(E1). Halo effective field theory (Halo EFT) at leading order treating ¹¹Li as three-body system ⁹Li+n+n. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.014617
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2021GO20      Phys.Rev. C 104, 024001 (2021)

M.Gobel, T.Aumann, C.A.Bertulani, T.Frederico, H.-W.Hammer, D.R.Phillips

Neutron-neutron scattering length from the ⁶He (p, pα) nn reaction

NUCLEAR REACTIONS ²H(π^-, γ), (n, p), (d, ²He)²n, E not given; compiled experimental data for neutron-neutron scattering lengths reported between 1998 and 2008. ¹H(⁶He, pα)²n, E=few MeV/nucleon; calculated ground-state nn relative-energy distributions for different nn scattering lengths using halo effective field theory (EFT), s-wave scattering length using a method based on the final-state interaction (FSI) between the neutrons after the sudden knockout of the α particle. Comparison with model calculations using the computer code FaCE. Proposed a novel method to measure the neutron-neutron scattering length in inverse kinematics. Relevance to precise determination of the nn scattering length using data from the approved experiment at RIKEN using the ¹H(⁶He, pα)nn reaction.

doi: 10.1103/PhysRevC.104.024001
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