{"paper":{"title":"Observation of a new structure near 10.75 GeV in the energy dependence of the $e^+e^-\\to\\Upsilon(nS)\\pi^+\\pi^-$ ($n=1,2,3$) cross sections","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Bondar, A. Bozek, A. Chen, A. Garmash, A. Giri, A. Ishikawa, A. Kuzmin, A. M. Bakich, A. Rostomyan, A. Sokolov, A. Vinokurova, B. G. Cheon, B. G. Fulsom, B. Golob, B. Pal, B. Shwartz, B. Wang, C. Bele\\~no, C. H. Wang, C. MacQueen, C. P. Shen, C. Schwanda, C. Z. Yuan, D. Cinabro, D. Epifanov, D. Joffe, D. Kotchetkov, D. Liventsev, D. M. Asner, D. Matvienko, D. \\v{C}ervenkov, D. Y. Kim, E. Prencipe, E. Solovieva, E. Won, F. Di Capua, F. Tenchini, G. B. Mohanty, G. De Nardo, G. Inguglia, G. Karyan, G. Pakhlova, G. Russo, G. Schnell, G. Varner, H. Aihara, H. E. Cho, H. Hayashii, H. J. Kim, H. Kichimi, H. Miyata, H. Ono, H. Ye, I. Adachi, I. Badhrees, J. Biswal, J. E. Fast, J. F. Strube, J.-G. Shiu, J. Libby, J. MacNaughton, J. Schueler, J. S. Lange, J. Y. Lee, K. Chilikin, K. Cho, K. Hayasaka, K. H. Kang, K. Inami, K. J. Nath, K. Kinoshita, K. K. Joo, K. Lieret, K. Nishimura, K. Senyo, K. Tanida, K. T. Kim, K. Trabelsi, L. Cao, L. E. Piilonen, L. K. Li, L. Li Gioi, M. Berger, M. Bra\\v{c}ko, M. Campajola, M. E. Sevior, M. Iwasaki, M. Masuda, M. Merola, M. Nakao, M. Nayak, M. Niiyama, M. Ritter, M. Salehi, M. Stari\\v{c}, M. Sumihama, M. Takizawa, N. Dash, N. K. Nisar, O. Grzymkowska, O. Hartbrich, O. Schneider, O. Seon, P. Behera, P. Goldenzweig, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Oskin, P. Pakhlov, P. Urquijo, P. Wang, R. Ayad, R. Itoh, R. Kroeger, R. Kumar, R. Mizuk, R. Mussa, R. Pestotnik, R. van Tonder, S. Bahinipati, S. B. Yang, S. C. Lee, S. Cunliffe, S. Di Carlo, S. Eidelman, S. E. Vahsen, S. H. Kim, S.-H. Park, S.-K. Choi, S. Korpar, S. Nishida, S. Ogawa, S. Pardi, S. Paul, S. Sandilya, S. Uno, T. Aushev, T. Bilka, T. E. Browder, T. Ferber, T. Hara, T. Iijima, T. Kawasaki, T. K. Pedlar, T. Kuhr, T. Luo, T. Matsuda, T. Mori, T. Nakano, T. Pang, T. Sanuki, T. Sumiyoshi, T. Uglov, T. V. Dong, U. Tamponi, V. Aulchenko, V. Bhardwaj, V. Gaur, V. Popov, V. Savinov, V. Shebalin, V. Zhilich, V. Zhukova, W. Ostrowicz, W.-S. Hou, W. Sutcliffe, W. W. Jacobs, Y. Choi, Y. Iwasaki, Y. Jin, Y. Onuki, Y. Sakai, Y. Seino, Y. Unno, Y. Usov, Y. Yusa, Z. Dole\\v{z}al, Z. Natkaniec, Z. P. Zhang","submitted_at":"2019-05-14T11:12:47Z","abstract_excerpt":"We report a new measurement of the $e^+e^-\\to\\Upsilon(nS)\\pi^+\\pi^-$ ($n=1,2,3$) cross sections at energies from 10.52 to 11.02 GeV using data collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. We observe a new structure in the energy dependence of the cross sections; if described by a Breit-Wigner function its mass and width are found to be $M=(10752.7\\pm5.9\\,^{+0.7}_{-1.1})\\,$MeV/$c^2$ and $\\Gamma=(35.5^{+17.6}_{-11.3}\\,^{+3.9}_{-3.3})\\,$MeV, where the first error is statistical and the second is systematic. The global significance of the new structure includi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.05521","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1905.05521/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}