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@ARTICLE{Li:456888,
      author       = {Li, Y. B. and Shen, C. P. and Adachi, I. and Adamczyk, K.
                      and Aihara, H. and Al Said, S. and Asner, D. M. and Aushev,
                      T. and Ayad, R. and Babu, V. and Behera, P. and Bennett, J.
                      and Bessner, M. and Bhardwaj, V. and Bhuyan, B. and Bilka,
                      T. and Biswal, J. and Bonvicini, G. and Bozek, A. and
                      Bračko, M. and Browder, T. E. and Campajola, M. and
                      Cervenkov, D. and Chang, M.-C. and Chen, A. and Cheon, B. G.
                      and Chilikin, K. and Cho, K. and Cho, S.-J. and Choi, S.-K.
                      and Choi, Y. and Choudhury, S. and Cinabro, D. and Cunliffe,
                      S. and Das, S. and Dash, N. and De Nardo, G. and Dhamija, R.
                      and Di Capua, F. and Dong, T. V. and Eidelman, S. and
                      Epifanov, D. and Ferber, T. and Fulsom, B. G. and Garg, R.
                      and Gaur, V. and Gabyshev, N. and Garmash, A. and Giri, A.
                      and Goldenzweig, P. and Grzymkowska, O. and Gudkova, K. and
                      Hadjivasiliou, C. and Hartbrich, O. and Hayasaka, K. and
                      Hayashii, H. and Villanueva, M. Hernandez and Hsu, C.-L. and
                      Ishikawa, A. and Itoh, R. and Iwasaki, M. and Iwasaki, Y.
                      and Jacobs, W. W. and Jia, S. and Jin, Y. and Joo, C. W. and
                      Joo, K. K. and Kang, K. H. and Karyan, G. and Kato, Y. and
                      Kichimi, H. and Kim, C. H. and Kim, D. Y. and Kim, K.-H. and
                      Kim, S. H. and Kinoshita, K. and Kodyš, P. and Konno, T.
                      and Korobov, A. and Korpar, S. and Kovalenko, E. and
                      Križan, P. and Kroeger, R. and Krokovny, P. and Kuhr, T.
                      and Kumar, M. and Kumar, R. and Kumara, K. and Kuzmin, A.
                      and Kwon, Y.-J. and Lalwani, K. and Lange, J. S. and Lee, I.
                      S. and Lee, S. C. and Li, C. H. and Li, L. K. and Li Gioi,
                      L. and Libby, J. and Lieret, K. and Liventsev, D. and
                      Masuda, M. and Matvienko, D. and McNeil, J. T. and Metzner,
                      F. and Mizuk, R. and Mohanty, G. B. and Moon, T. J. and
                      Mori, T. and Mussa, R. and Natochii, A. and Nayak, L. and
                      Nayak, M. and Niiyama, M. and Nisar, N. K. and Nishida, S.
                      and Nishimura, K. and Ogawa, S. and Ono, H. and Onuki, Y.
                      and Pakhlov, P. and Pakhlova, G. and Pang, T. and Pardi, S.
                      and Park, H. and Patra, S. and Paul, S. and Pedlar, T. K.
                      and Pestotnik, R. and Piilonen, L. E. and Podobnik, T. and
                      Popov, V. and Prencipe, E. and Prim, M. T. and Roehrken,
                      Markus and Rostomyan, A. and Rout, N. and Russo, G. and
                      Sahoo, D. and Sakai, Y. and Sandilya, S. and Santelj, L. and
                      Sanuki, T. and Savinov, V. and Schnell, G. and Schwanda, C.
                      and Seino, Y. and Senyo, K. and Shapkin, M. and Sharma, C.
                      and Shiu, J.-G. and Sokolov, A. and Solovieva, E. and
                      Starič, M. and Stottler, Z. S. and Sumihama, M. and
                      Tamponi, U. and Tanida, K. and Tenchini, Francesco and
                      Uchida, M. and Uehara, S. and Uglov, T. and Uno, K. and Uno,
                      S. and Usov, Y. and Van Tonder, R. and Varner, G. and
                      Vinokurova, A. and Vossen, A. and Wang, C. H. and Wang,
                      M.-Z. and Wang, P. and Wang, X. L. and Watanabe, M. and
                      Watanuki, S. and Won, E. and Xu, X. and Yan, W. and Yang, S.
                      B. and Ye, Hua and Yin, J. H. and Yuan, C. Z. and Zhang, Z.
                      P. and Zhilich, V. and Zhukova, V.},
      collaboration = {{Belle Collaboration}},
      title        = {{M}easurements of the branching fractions of semileptonic
                      decays $\Xi_{c}^{0} \to \Xi^{-} \ell^{+} \nu_{\ell}$ and
                      asymmetry parameter of $\Xi_{c}^{0} \to \Xi^{-} \pi^{+}$
                      decay},
      reportid     = {PUBDB-2021-01734, arXiv:2103.06496. Belle Preprint 2021-03.
                      KEK Preprint 2020-44},
      pages        = {1-8},
      year         = {2021},
      note         = {2 figures, 1 table; submitted to PRL on 11 March 2021},
      abstract     = {Using a data sample of 89.5 fb$^{-1}$ recorded at the
                      energy $\sqrt{s}=10.52$ GeV with the Belle detector at the
                      KEKB $e^+e^-$ collider, we report measurements of branching
                      fractions of semileptonic decays $\Xi_{c}^{0} \to \Xi^{-}
                      \ell^{+} \nu_{\ell}$ ($\ell=e$ or $\mu$). Furthermore, based
                      on an additional data sample of 711 fb$^{-1}$ at $\sqrt{s} =
                      10.58$ GeV, the $CP$-asymmetry parameter of $\Xi_{c}^{0} \to
                      \Xi^{-} \pi^{+}$ decay is extracted. The branching fractions
                      are measured to be ${\cal B}(\Xi_{c}^{0} \to \Xi^{-} e^{+}
                      \nu_{e})=(1.72 \pm 0.10 \pm 0.12 \pm 0.50)\\%$ and ${\cal
                      B}(\Xi_{c}^{0} \to \Xi^{-} \mu^{+} \nu_{\mu})=(1.71 \pm 0.17
                      \pm 0.13 \pm 0.50)\\%$ with much improved precision compared
                      to the current world average. The first and the second
                      uncertainty are statistical and systematic, respectively,
                      while the third one arises due to the uncertainty of the
                      $\Xi_{c}^{0} \to \Xi^{-} \pi^+$ branching fraction. The
                      corresponding ratio ${\cal B}(\Xi_{c}^{0} \to \Xi^{-} e^{+}
                      \nu_{e})/{\cal B}(\Xi_{c}^{0} \to \Xi^{-} \mu^{+}
                      \nu_{\mu})$ is $1.00 \pm 0.11 \pm 0.09$, which is consistent
                      with the expectation of lepton flavor universality. The
                      first measured asymmetry parameter is found to be consistent
                      with zero, ${\cal A}_{CP} = (\alpha_{\Xi^{-}\pi^{+}} +
                      \alpha_{\bar{\Xi}^{+}\pi^{-}})/(\alpha_{\Xi^{-}\pi^{+}} -
                      \alpha_{\bar{\Xi}^{+}\pi^{-}}) = 0.015 \pm 0.052 \pm
                      0.017$.},
      keywords     = {electron positron: annihilation (INSPIRE) / electron
                      positron: colliding beams (INSPIRE) / decay: asymmetry:
                      measured (INSPIRE) / lepton: flavor: universality (INSPIRE)
                      / Xi/c0: branching ratio: measured (INSPIRE) / branching
                      ratio: ratio: measured (INSPIRE) / Xi/c0: semileptonic decay
                      (INSPIRE) / CP: violation (INSPIRE) / asymmetry: CP
                      (INSPIRE) / error: statistical (INSPIRE) / BELLE (INSPIRE) /
                      KEK-B (INSPIRE) / experimental results (INSPIRE) / Xi/c0 -->
                      Xi- positron neutrino/e (INSPIRE) / Xi/c0 --> Xi- muon+
                      neutrino/mu (INSPIRE) / Xi/c0 --> Xi- pi+ (INSPIRE) / 10.58
                      GeV-cms (INSPIRE)},
      cin          = {Belle},
      cid          = {I:(DE-H253)Belle-20160426},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611)},
      pid          = {G:(DE-HGF)POF4-611},
      experiment   = {EXP:(DE-H253)BELLE-20150101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2103.06496},
      howpublished = {arXiv:2103.06496},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2103.06496;\%\%$},
      doi          = {10.3204/PUBDB-2021-01734},
      url          = {https://bib-pubdb1.desy.de/record/456888},
}