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Hadjivasiliou, C.; Fulsom, B. G.; Strube, J. F.; Adachi, I.; Aihara, H.; Asner, D. M.; Atmacan, H.; Aushev, T.; Babu, V.; Belous, K.; Bennett, J.; Bessner, M.; Bhardwaj, V.; Bhuyan, B.; Bilka, T.; Biswal, J.; Bodrov, D.; Borah, J.; Bozek, A.; Bra, M.; Branchini, P.; Browder, T. E.; Budano, A.; Campajola, M.; Cervenkov, D.; Chang, M.-C.; Chang, P.; Chen, A.; Cheon, B. G.; Chilikin, K.; Cho, H. E.; Choi, S.-K.; Choi, Y.; Choudhury, S.; Cinabro, D.; Cunliffe, S.; Das, S.; De Pietro, G.; Di Capua, F.; Dolezal, Z.; Dong, T. V.; Dossett, D.; Epifanov, D.; Ferber, T.; Garg, R.; Gaur, V.; Giri, A.; Goldenzweig, P.; Gu, T.; Gudkova, K.; Hayashii, H.; Hou, W.-S.; Hsu, C.-l.; Iijima, T.; Inami, K.; Inguglia, G.; Ishikawa, A.; Iwasaki, M.; Iwasaki, Y.; Jacobs, W. W.; Jia, S.; Jin, Y.; Kahn, J.; Kaliyar, A. B.; Kang, K. H.; Karyan, G.; Kiesling, C.; Kim, C. H.; Kim, D. Y.; Kim, K. T.; Kim, Y.-K.; Kodys, P.; Konno, T.; Korobov, A.; Korpar, S.; Kovalenko, E.; Krizan, P.; Kroeger, R.; Krokovny, P.; Kumar, R.; Kumara, K.; Kwon, Y.-J.; Lee, S. C.; Li, L. K.; Li, S. X.; Li, Y. B.; Li Gioi, L.; Libby, J.; Lieret, K.; MacQueen, C.; Masuda, M.; Matvienko, D.; Merola, M.; Miyabayashi, K.; Mizuk, R.; Mohanty, G. B.; Mussa, R.; Nakao, M.; Natkaniec, Z.; Natochii, A.; Nayak, M.; Nisar, N. K.; Nishida, S.; Nishimura, K.; Ono, H.; Oskin, P.; Pakhlov, P.; Pakhlova, G.; Pang, T.; Park, S.-H.; Paul, S.; Pedlar, T. K.; Piilonen, L. E.; Podobnik, T.; Popov, V.; Prencipe, E.; Prim, M. T.; Rohrken, M.; Rostomyan, A.; Rout, N.; Russo, G.; Sahoo, D.; Sandilya, S.; Sangal, A.; Santelj, L.; Sanuki, T.; Savinov, V.; Schnell, G.; Schwanda, C.; Seino, Y.; Senyo, K.; Shapkin, M.; Shen, C. P.; Shiu, J.-G.; Shwartz, B.; Simon, F.; Singh, J. B.; Solovieva, E.; Staric, M.; Stottler, Z. S.; Sumihama, M.; Sumiyoshi, T.; Takizawa, M.; Tanida, K.; Tenchini, F.; Uchida, M.; Uglov, T.; Unno, Y.; Uno, S.; Tonder, R. van; Varner, G.; Vinokurova, A.; Waheed, E.; Wang, C. H.; Wang, E.; Wang, M.-Z.; Wang, P.; Wang, X. L.; Watanuki, S.; Wood, L.; Yabsley, B. D.; Yan, W.; Ye, H.; Yelton, J.; Yin, J. H.; Zhang, Z. P.; Zhilich, V. and Zhukova, V. (2022): Search for B-0 meson decays into A and missing energy with a hadronic tagging method at Belle. In: Physical Review D, Vol. 105, No. 5, L051101

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We present a search for the decays of B-0 mesons into a final state containing a Lambda baryon and missing energy. These results are obtained from a 711 fb(-1) data sample that contains 772 x 10(6) B (B) over bar pairs and was collected near the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We use events in which one B meson is fully reconstructed in a hadronic decay mode and require the remainder of the event to consist of only a single A. No evidence for these decays is found, and we set 90% confidence level upper limits on the branching fractions in the range 2.1-3.8 x 10(-5). This measurement provides the world's most restrictive limits, with implications for baryogenesis and dark matter production.

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