TY - RPRT TI - J / ψ p scattering length from GlueX threshold measurements AU - Strakovsky, Igor I. (ORCID:0000000185869482) AU - Epifanov, Denis (ORCID:0000000186562693) AU - Pentchev, Lubomir (ORCID:0000000156243106) PY - 2020 DO - 10.1103/physrevc.101.042201 UR - https://www.osti.gov/biblio/1632026 ID - 1632026 ER -