Optically trapped nanosphere arrays could detect nuclear recoils from solar ALPs, sub-keV pseudoscalar/vector dark matter, and Earth-bound dark matter, opening new tabletop search windows in previously unconstrained parameter space.
Pion Photoproduction off Nucleon with Hamiltonian Effective Field Theory
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abstract
We analyze the $\gamma N\to\pi N$ process in the negative parity channel with Hamiltonian effective filed theory which is successful in studying the nucleon resonances associated with the meson-nucleon scattering and lattice QCD simulations. We provide the scattering amplitude of pion photoproduction and extract the electric dipole amplitudes $E_{0+}$. The triquark component in $N^*(1535)$ is important for improving the consistence between our results and the experimental data.
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Probing Light Particles With Optically Trapped Sensors Through Nucleon Scattering
Optically trapped nanosphere arrays could detect nuclear recoils from solar ALPs, sub-keV pseudoscalar/vector dark matter, and Earth-bound dark matter, opening new tabletop search windows in previously unconstrained parameter space.