{"paper":{"title":"Search for a dark leptophilic scalar produced in association with $\\tau^+\\tau^-$ pair in $e^+e^-$ annihilation at center-of-mass energies near 10.58 GeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. B. Kaliyar, A. Bozek, A. Budano, A. Garmash, A. Giri, A. Ishikawa, A. Korobov, A. Natochii, A. Passeri, A. Sokolov, A. Vinokurova, B. Bhuyan, B. D. Yabsley, Belle Collaboration: D. Biswas, B. G. Cheon, B. G. Fulsom, B. Shwartz, C. Hadjivasiliou, C. H. Kim, C. Kiesling, C.-L. Hsu, C. Schwanda, C. Sharma, C. Z. Yuan, D. Bodrov, D. Cinabro, D. Epifanov, D. Herrmann, D. Levit, D. Liventsev, D. M. Asner, D. \\v{C}ervenkov, D. Wang, D. Y. Kim, E. Graziani, E. Prencipe, E. Solovieva, E. Wang, E. Won, F. Di Capua, F. Meier, F. Metzner, F. Tenchini, G. De Nardo, G. De Pietro, G. Inguglia, G. Pakhlova, G. Russo, G. Schnell, H. Aihara, H. E. Cho, H. Hayashii, H. Ono, H. Park, I. Adachi, I. Nakamura, J. Bennett, J. Borah, J. B. Singh, J. Dingfelder, J.-G. Shiu, J. H. Yin, J. Li, J. Libby, J. Park, K. Chilikin, K. Cho, K. Gudkova, K. Hayasaka, K.-H. Kim, K. Inami, K. K. Joo, K. Kumara, K. Lieret, K. Miyabayashi, K. Senyo, K. Tanida, K. Trabelsi, K. Uno, L. E. Piilonen, L. K. Li, L. Li Gioi, L. Nayak, L. Santelj, L. Yuan, M. Bessner, M. Bra\\v{c}ko, M. Campajola, M.-C. Chang, M. E. Sevior, M. Hern\\'andez Villanueva, M. Iwasaki, M. Kumar, M. Laurenza, M. Masuda, M. Merola, M. Nakao, M. Niiyama, M. Stari\\v{c}, M. Sumihama, M. Takizawa, M. T. Hedges, M. T. Prim, M. Uchida, N. Ipsita, N. K. Nisar, N. Rout, P. Behera, P. Branchini, P. Chang, P. Ecker, P. Goldenzweig, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Pakhlov, P. Urquijo, Q. P. Ji, R. Ayad, R. Dhamija, R. Itoh, R. Mizuk, R. Pestotnik, S. Choudhury, S. C. Lee, S. Das, S. Dubey, S. Hazra, S.-H. Park, S. Jia, S.-K. Choi, S. K. Maurya, S. Korpar, S. Nishida, S. Ogawa, S. Pardi, S. Patra, S. Paul, S. Sandilya, S. Uno, S. Watanuki, Sw. Banerjee, T. Aushev, T. Bilka, T. E. Browder, T. Ferber, T. Konno, T. Luo, T. Podobnik, T. Uglov, T. V. Dong, V. Babu, V. Bhardwaj, V. Gaur, V. Savinov, V. Zhilich, V. Zhukova, V. Zhulanov, W. Shan, W.-S. Hou, W. W. Jacobs, W. Yan, X. Xu, Y. Choi, Y. Guan, Y. Jin, Y. J. Kim, Y.-J. Kwon, Y.-K. Kim, Y. Li, Y. Ma, Y.-R. Lin, Y. Seino, Y.-T. Lai, Y. Unno, Z. Dole\\v{z}al, Z. Natkaniec, Z. P. Zhang, Z. S. Stottler","submitted_at":"2022-07-15T13:44:13Z","abstract_excerpt":"A dark leptophilic scalar $(\\phi_L)$ is a hypothetical particle that couples only to leptons rather than quarks. We report on a search for $\\phi_L$ in the $e^+e^- \\to \\tau^+ \\tau^- \\phi_L, ~\\phi_L \\to \\ell^+ \\ell^- ~(\\ell = e, \\mu)$ process using 626~\\invfb of data collected by the Belle experiment near the \\Y4S resonance. We validate the backgrounds with multiple control regions in data, using a novel multiclass multivariate event classifier. In absence of a signal, we quote upper limits at the 90\\% confidence level on the coupling between $\\phi_L$ and leptons. Our bounds, obtained in a blind"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.07476","kind":"arxiv","version":3},"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/2207.07476/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"}