Elastic scattering of the proton drip line nuclei 7 Be, 8 B, and 9 C on a lead target at energies around three times the Coulomb barriers - Yang, Y Y; Liu, X; Pang, D Y; Patel, D; Chen, R F; Wang, J S; Ma, P; Ma, J B; Jin, S L; Bai, Z; Guimarães, Valdir; Wang, Q; et al. (Physical Review C, 2018)