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Greenwald, D. Kotchetkov, D. Liventsev, D. M. Asner, D. Matvienko, D. Sahoo, D. \\v{C}ervenkov, D. Y. Kim, E.-J. Jang, E. Nakano, E. Prencipe, E. Solovieva, E. Waheed, E. Wang, E. Won, F. Di Capua, F. Tenchini, G. B. Mohanty, G. Bonvicini, G. De Nardo, G. Inguglia, G. Karyan, G. Pakhlova, G. Russo, G. Schnell, G. Varner, H. Aihara, H. Atmacan, H. Hayashii, H. Kichimi, H. Miyata, H. Nakazawa, H. Ono, H. Park, H. Ye, I. Adachi, I. S. Lee, J. Bennett, J. Biswal, J. B. Singh, J.-G. Shiu, J. H. Yin, J. Kahn, J. Libby, J. Schueler, J. S. Lange, J. Yelton, K. Chilikin, K. Cho, K. Hayasaka, K. H. Kang, K. Inami, K. Kinoshita, K. K. Joo, K. Kumara, K. Lalwani, K. Lieret, K. Miyabayashi, K. Ogawa, K. Senyo, K. Sumisawa, L. E. Piilonen, L. K. Li, L. Li Gioi, L. Santelj, M. Bra\\v{c}ko, M. Campajola, M.-C. Chang, M. E. Sevior, M. Hernandez Villanueva, M. Iwasaki, M. Masuda, M. Merola, M. Mrvar, M. Nakao, M. Nayak, M. Ritter, M. Shapkin, M. Stari\\v{c}, M. Sumihama, M. Takizawa, M. T. Hedges, M. T. Prim, M. Uchida, M. Watanabe, M.-Z. Wang, N. Gabyshev, N. K. Nisar, N. Rout, O. Hartbrich, P. Behera, P. Chang, P. Goldenzweig, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Lewis, P. Pakhlov, P. Urquijo, P. Wang, R. Ayad, R. Garg, R. Itoh, R. Kroeger, R. Kulasiri, R. Kumar, R. Mussa, R. Pestotnik, R. van Tonder, S. Al Said, S. B. Yang, S. Choudhury, S. C. Lee, S. Cunliffe, S. Eidelman, S. H. Kim, S.-H. Park, S.-J. Cho, S. Jia, S.-K. Choi, S. Korpar, S. Mohanty, S. Nishida, S. Ogawa, S. Pardi, S. Patra, S. Paul, S. Sandilya, S. Uehara, S. Uno, T. Aushev, T. Bilka, T. D. Kimmel, T. E. Browder, T. Ferber, T. Hara, T. Iijima, T. J. Moon, T. Kawasaki, T. K. Pedlar, T. Kuhr, T. Luo, T. Matsuda, T. Mori, T. Podobnik, T. Sanuki, T. Sumiyoshi, T. Uglov, T. V. Dong, U. Tamponi, V. Babu, V. Bhardwaj, V. Chekelian, V. Gaur, V. Popov, V. Savinov, V. Shebalin, V. Vorobyev, V. Zhilich, V. Zhukova, V. Zhulanov, W.-S. Hou, W. Sutcliffe, W. W. Jacobs, X. L. Wang, X. Xu, Y. B. Li, Y. Choi, Y. Iwasaki, Y. Jin, Y.-J. Kwon, Y. Kato, Y.-K. Kim, Y. Onuki, Y. Sakai, Y. Seino, Y. Unno, Y. Usov, Z. Dole\\v{z}al, Z. Liptak, Z. Natkaniec, Z. P. Zhang, Z. S. Stottler","submitted_at":"2020-07-11T06:34:12Z","abstract_excerpt":"We report the first evidence for $X(3872)$ production in two-photon interactions by tagging either the electron or the position in the final state, exploring the highly virtual photon region. The search is performed in $e^+e^- \\rightarrow e^+e^-J/\\psi\\pi^+\\pi^-$, using 825 fb$^{-1}$ of data collected by the Belle detector operated at the KEKB $e^+e^-$ collider. We observe three $X(3872)$ candidates with an expected background of $0.11\\pm 0.10$ events, with a significance of 3.2$\\sigma$. We obtain an estimated value for $\\tilde{\\Gamma}_{\\gamma\\gamma}{\\cal B}(X(3872)\\rightarrow J/\\psi\\pi^+\\pi^-$"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2007.05696","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2020-07-11T06:34:12Z","cross_cats_sorted":[],"title_canon_sha256":"62577f06a07770e15448c0b2e0c87769654caeebb5f16d6e76bd02e70e21a448","abstract_canon_sha256":"62fe0864328da1f09c05ef09e5a9809cbb245fbbc0f25d1afa2a0db35fc7f0a5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:27:23.092903Z","signature_b64":"HbY5YzL6J/Rdi2qcCPz1EawWAQmlbNJ6wsZCbcZARiKuWjS49Xpxtn4d36DLjNUZIyvdDFsnMCYm2kCdvgQxCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc1f661028ded535a1866d18b01a2612ae039bbc39d0fdf515ba615f81e02d8b","last_reissued_at":"2026-07-05T02:27:23.092406Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:27:23.092406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evidence for $X(3872)\\rightarrow J/\\psi \\pi^+\\pi^-$ produced in single-tag two-photon interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. B. Kaliyar, A. Bozek, A. Chen, A. Garmash, A. Giri, A. Ishikawa, A. Kuzmin, A. Natochii, A. Rostomyan, A. Sangal, A. Vinokurova, B. Bhuyan, B. D. Yabsley, Belle Collaboration: Y. Teramoto, B. G. Cheon, B. G. Fulsom, B. H. Kim, C. Bele\\~no, C. Hadjivasiliou, C. H. Wang, C. Kiesling, C.-L. Hsu, C. MacQueen, C. Schwanda, C. W. Joo, D. Cinabro, D. Greenwald, D. Kotchetkov, D. Liventsev, D. M. Asner, D. Matvienko, D. Sahoo, D. \\v{C}ervenkov, D. Y. Kim, E.-J. Jang, E. Nakano, E. Prencipe, E. Solovieva, E. Waheed, E. Wang, E. Won, F. Di Capua, F. Tenchini, G. B. Mohanty, G. Bonvicini, G. De Nardo, G. Inguglia, G. Karyan, G. Pakhlova, G. Russo, G. Schnell, G. Varner, H. Aihara, H. Atmacan, H. Hayashii, H. Kichimi, H. Miyata, H. Nakazawa, H. Ono, H. Park, H. Ye, I. Adachi, I. S. Lee, J. Bennett, J. Biswal, J. B. Singh, J.-G. Shiu, J. H. Yin, J. Kahn, J. Libby, J. Schueler, J. S. Lange, J. Yelton, K. Chilikin, K. Cho, K. Hayasaka, K. H. Kang, K. Inami, K. Kinoshita, K. K. Joo, K. Kumara, K. 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