Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Alam, J. and Hayashigaki, A. and Suzuki, K. and Hatsuda, T.",Diffractive $��$ Production in a Perturbative QCD Model,,,arXiv,2000-01-01,,,,https://cir.nii.ac.jp/crid/1871428068182364160,https://doi.org/10.48550/arxiv.hep-ph/0006284