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Inguglia, G. Pakhlova, G. Russo, G. Schnell, G. Varner, H. Aihara, H. Hayashii, H. Kichimi, H. Ono, H. Park, H. Ye, I. Adachi, J. Bennett, J. Biswal, J. E. Fast, J.-G. Shiu, J. Libby, J. Schueler, K. Adamczyk, K. Chilikin, K. Cho, K. E. Varvell, K. Hayasaka, K. H. Kang, K. Huang, K. Inami, K. Kinoshita, K. Lieret, K. Nishimura, K. Ogawa, K. Senyo, K. Tanida, K. Trabelsi, L. E. Piilonen, L. Li Gioi, L. Santelj, M. Bra\\v{c}ko, M.-C. Chang, M. Hernandez Villanueva, M. Iwasaki, M. Merola, M. Nayak, M. Ritter, M. R\\\"ohrken, M. Shapkin, M. Stari\\v{c}, M. Sumihama, M. Takizawa, M. T. Prim, M. Uchida, M. Watanabe, M.-Z. Wang, N. Dash, N. Gabyshev, N. K. Nisar, N. Rout, O. Grzymkowska, O. Hartbrich, P. Behera, P. Chang, P. Goldenzweig, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Oskin, P. Pakhlov, P. Urquijo, P. Wang, R. Ayad, R. Garg, R. Itoh, R. Kroeger, R. Kulasiri, R. Kumar, R. Mizuk, R. Mussa, R. Pestotnik, S. B. Yang, S. Cunliffe, S. Eidelman, S.-H. Park, S. Jia, S.-K. Choi, S. Korpar, S. Nishida, S. Ogawa, S. Patra, S. Uno, T. Aushev, T. Bilka, T. D. Kimmel, T. Higuchi, T. J. Moon, T. Kawasaki, T. K. Pedlar, T. Kuhr, T. Mori, T. Podobnik, T. Sanuki, T. Sumiyoshi, T. Uglov, T. V. Dong, U. Tamponi, V. Bhardwaj, V. Chekelian, V. Gaur, V. Popov, V. Savinov, V. Zhukova, W.-S. Hou, X. L. Wang, X. Xu, Y. B. Li, Y. Choi, Y. Guan, Y. Iwasaki, Y. Jin, Y.-J. Kwon, Y. Sakai, Y.-T. Lai, Y. Unno, Y. Usov, Z. Natkaniec, Z. P. Zhang, Z. S. Stottler","submitted_at":"2020-04-08T06:06:06Z","abstract_excerpt":"We report searches for $B^0\\to\\rm{invisible}$ and $B^0\\to\\rm{invisible}+\\gamma$ decays, where the energy of the photon is required to be larger than 0.5 GeV. These results are obtained from a $711\\,{\\rm fb}^{-1}$ data sample that contains $772 \\times 10^6 B\\bar{B}$ pairs and was collected near the $\\Upsilon\\,(4S)$ resonance with the Belle detector at the KEKB $e^+ e^-$ collider. 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