Antinucleon-nucleus interaction near threshold from the Paris $\bar{N}N$ potential

Abstract

A general algorithm for handling the energy dependence of hadron-nucleon amplitudes in the nuclear medium, consistently with their density dependence, has been recently applied to antikaons, eta mesons and pions interacting with nuclei. Here we apply this approach to antiprotons below threshold, analyzing experimental results for antiprotonic atoms across the periodic table. It is also applied to antiproton and antineutron interaction with nuclei up to 400 MeV/c, comparing with elastic scattering and annihilation cross sections. The underlying $\bar{p}N$ scattering amplitudes are derived from the Paris $\bar{N}N$ potential, including modifications in the medium. Emphasis is placed on the role of the $P$-wave amplitudes with respect to the repulsive $S$-wave amplitudes.

24 pages, 2 tables, 10 figures submitted for publication. V2 matches submitted version. V3 accepted by NPA

References in corpus (10)

• In-medium nuclear interactions of low-energy hadrons
• Kaon-nucleon scattering lengths from kaonic deuterium experiments
• Energy-dependent partial-wave analysis of all antiproton-proton scattering data below 925 MeV/c
• On the near-threshold $\bar{p}p$ invariant mass spectrum measured in $J/\psi$ and ${\psi }^{\prime }$ decays
• Calculations of $K^{-}$ nuclear quasi-bound states based on chiral meson-baryon amplitudes
• In-medium antikaon and eta-meson interactions and bound states
• Testing in-medium $\pi N$ dynamics on pionic atoms
• Enhancement of annihilation cross sections by electric interactions between the antineutron and the field of a large nucleus
• In-medium antikaon interactions and bound states
• Low-Energy Antinucleon-Nucleus Interaction Revisited

Cited by in corpus (7)

• Antiproton physics
• Interaction of antiprotons with nuclei
• Elastic Antiproton-Nucleus Scattering from Chiral Forces
• Extraction of baryonia from the lightest anti-protonic atoms
• $K^{+}$-nucleus potentials from $K^{+}$-nucleon amplitudes
• Interrelation between $\bar{p}$-Ca Atom Spectra and Nuclear Density Profiles
• Antiproton-nucleus quasi-bound states within the 2009 version of the Paris $\bar{N}N$ potential