A Bayesian desmearing algorithm for Bonse–Hart USANS with anisotropic scattering
Chi-Huan Tung·W Chen·Yangyang Wang·Jan-Michael Carrillo·Yuya Shinohara·Changwoo Do·Gernot Rother·Yingrui Shang·Guan-Rong Huang
Ultra-small-angle neutron scattering (USANS) using Bonse-Hart optics provides micrometer-scale structural insights but suffers from severe slit-geometry smearing. While well-established for isotropic systems, quantitative desmearing of anisotropic data remains a challenge because conventional corrections break down for non-radial scattering. We address this by developing a resolution-aware Bayesian framework that explicitly incorporates anisotropy via an affine deformation to the scattering patt