{"paper":{"title":"Updated Cross Section Measurement of $e^+ e^- \\to K^+ K^- J/\\psi$ and $K_S^0K_S^0J/\\psi$ via Initial State Radiation at Belle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Abdesselam, A. Bala, A. Bobrov, A. Bozek, A. Chen, A. Drutskoy, A. Frey, A. Ishikawa, A. Kuzmin, A. M. Bakich, A. Moll, A. Rostomyan, A. Sibidanov, A. Sokolov, A. Zupanc, Belle Collaboration: C. P. Shen, B. G. Cheon, B. Golob, B. R. Ko, B. Shwartz, C. C. Zhang, C. H. Wang, C. Kiesling, C. Liu, C. Van Hulse, C. W. Park, C. Z. Yuan, D. Cinabro, D. Dutta, D. Epifanov, D. Joffe, D. M. Asner, D. Matvienko, D. Semmler, D. Y. Kim, E. Kato, E. Nakano, E. Nedelkovska, E. Solovieva, E. Won, F. Simon, G. Bonvicini, G. Schnell, G. Tatishvili, G. Varner, H. Aihara, H. Farhat, H. Hayashii, H. J. Hyun, H. J. Kim, H. Miyata, H. Park, H. Yamamoto, I. Adachi, J. B. Kim, J. Dalseno, J. E. Fast, J.-G. Shiu, J. Haba, J. H. Kang, J. H. Kim, J. Li, J. Libby, K. Chilikin, K. Cho, K. Hayasaka, K. Kinoshita, K. Miyabayashi, K. M. Williams, K. Senyo, K. T. Kim, L. E. Piilonen, L. Li Gioi, M. Bra\\v{c}ko, M. Danilov, M. E. Sevior, M. J. Kim, M. Nakao, M. Nayak, M. N. Wagner, M. Petri\\v{c}, M. Ritter, M. R\\\"ohrken, M. Shapkin, M. Stari\\v{c}, M. Steder, M. Uchida, M. Watanabe, N. K. Nisar, O. Nitoh, O. Schneider, O. Seon, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Lukin, P. Urquijo, P. Vanhoefer, P. Wang, R. Ayad, R. Chistov, R. Gillard, R. Glattauer, R. Itoh, R. Mizuk, R. Mussa, R. Pestotnik, S. Al Said, S. Eidelman, S. Ganguly, S.-H. Lee, S.-K. Choi, S. Korpar, S. Nishida, S. Okuno, S. Ryu, S. Stani\\v{c}, S. Uno, S. Yashchenko, T.-A. Shibata, T. Aushev, T. E. Browder, T. Ferber, T. Iijima, T. Julius, T. Kawasaki, T. K. Pedlar, T. Saito, T. Sanuki, T. Sumiyoshi, U. Tamponi, V. Aulchenko, V. Chekelian, V. Chobanova, V. Gaur, V. Shebalin, V. Vorobyev, V. Zhulanov, W.-S. Hou, X. H. He, Y. B. Hsiung, Y. Choi, Y. Hoshi, Y. Iwasaki, Y. J. Kim, Y.-J. Kwon, Y. M. Goh, Y. Nagasaka, Y. Sakai, Y. Sato, Y.-S. Sohn, Y. Teramoto, Y. Unno, Y. Usov, Y. Watanabe, Y. Yamashita, Y. Yook, Z. Dole\\v{z}al, Z. Natkaniec, Z. P. Zhang, Z. Q. Liu","submitted_at":"2014-02-26T15:44:35Z","abstract_excerpt":"The cross sections of the processes $e^+ e^- \\to K^+ K^- J/\\psi$ and $K_S^0K_S^0J/\\psi$ are measured via initial state radiation at center-of-mass energies between the threshold and 6.0~GeV using a data sample of 980~fb$^{-1}$ collected with the Belle detector on or near the $\\Upsilon(nS)$ resonances, where $n=$1, 2, ..., 5. The cross sections for $e^+ e^- \\to K^+ K^- J/\\psi$ are at a few pb level and the average cross section for $e^+ e^- \\to K_S^0K_S^0J/\\psi$ is $1.8\\pm 0.6 (\\rm stat.)\\pm 0.3 (\\rm syst.)$~pb between 4.4 and 5.2~GeV. All of them are consistent with previously published result"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.6578","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}