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@ARTICLE{Dutta:192921,
      author       = {Dutta, D. and Bhuyan, B. and Abdesselam, A. and Adachi, I.
                      and Aihara, H. and Said, S. Al and Arinstein, K. and Asner,
                      D. M. and Aulchenko, V. and Aushev, T. and Ayad, R. and
                      Aziz, T. and Bahinipati, S. and Bakich, A. M. and Bansal, V.
                      and Bhardwaj, V. and Bobrov, A. and Bonvicini, G. and
                      Bracko, M. and Browder, T. E. and Cervenkov, D. and Chen, A.
                      and Cheon, B. G. and Chilikin, K. and Chistov, R. and Cho,
                      K. and Chobanova, V. and Choi, Y. and Cinabro, D. and
                      Dalseno, J. and Dolezal, Z. and Drasal, Z. and Drutskoy, A.
                      and Dutta, K. and Eidelman, S. and Farhat, H. and Fast, J.
                      E. and Frost, O. and Gaur, V. and Ganguly, S. and Garmash,
                      A. and Getzkow, D. and Goh, Y. M. and Golob, B. and
                      Hayashii, H. and He, X. H. and Hou, W. S. and Iijima, T. and
                      Ishikawa, A. and Iwasaki, Y. and Jaegle, I. and Joffe, D.
                      and Kang, K. H. and Kato, E. and Kiesling, C. and Kim,
                      Donghwan and Kim, J. B. and Kim, J. H. and Kim, K. T. and
                      Kim, M. J. and Kim, Sunhyung and Kim, Y. J. and Kinoshita,
                      K. and Ko, B. R. and Kodys, P. and Korpar, S. and Krizan, P.
                      and Krokovny, P. and Kuhr, T. and Kuzmin, A. and Kwon, Y. J.
                      and Lange, J. S. and Lee, I. S. and Lewis, P. and Li, Y. and
                      Li Gioi, L. and Libby, J. and Liventsev, D. and Matvienko,
                      D. and Miyata, H. and Mizuk, R. and Mohanty, Gaurav and
                      Moll, A. and Mori, T. and Mussa, R. and Nakano, E. and
                      Nakao, M. and Nanut, T. and Nayak, M. and Nisar, N. K. and
                      Nishida, S. and Ogawa, S. and Okuno, S. and Pakhlov, P. and
                      Pakhlova, G. and Pedlar, T. K. and Pestotnik, R. and Petric,
                      M. and Piilonen, L. E. and Ribezl, E. and Ritter, M. and
                      Rostomyan, A. and Sakai, Y. and Sandilya, S. and Santelj, L.
                      and Sanuki, T. and Sato, Y. and Savinov, V. and Schneider,
                      O. and Schnell, G. and Schwanda, C. and Schwartz, A. J. and
                      Semmler, D. and Shebalin, V. and Shibata, T. A. and Shiu, J.
                      G. and Shwartz, B. and Sibidanov, A. and Simon, F. and Sohn,
                      Y. S. and Sokolov, A. and Solovieva, E. and Staric, M. and
                      Sumihama, M. and Sumiyoshi, T. and Teramoto, Y. and
                      Trabelsi, K. and Uchida, M. and Unno, Y. and Uno, S. and
                      Usov, Y. and Van Hulse, C. and Vanhoefer, P. and Varner, G.
                      and Vinokurova, A. and Vossen, A. and Wagner, M. N. and
                      Wang, Changhai and Wang, P. and Watanabe, Y. and Wehle, S.
                      and Williams, K. M. and Won, E. and Yamamoto, H. and
                      Yamaoka, J. and Yashchenko, S. and Yusa, Y. and Zhang, Z. P.
                      and Zhilich, V. and Zupanc, A.},
      collaboration = {{Belle Collaboration}},
      title        = {{S}earch for ${B}_{s}^{0}\rightarrow\gamma\gamma$ and a
                      measurement of the branching fraction for
                      ${B}_{s}^{0}\rightarrow\phi\gamma$},
      reportid     = {PUBDB-2014-04405, BELLE-PREPRINT-2014-18.
                      KEK-PREPRINT-2014-32. arXiv:1411.7771},
      year         = {2014},
      note         = {OA},
      abstract     = {We search for the decay ${B}_{s}^{0}\to \gamma \gamma $ and
                      measure the branching fraction for ${B}_{s}^{0}\to \varphi
                      \gamma $ using $121.4\text{}\text{}{\mathrm{fb}}^{-1}$ of
                      data collected at the $\mathrm{\Upsilon }\left(5S\right)$
                      resonance with the Belle detector at the KEKB
                      asymmetric-energy ${e}^{+}{e}^{-}$ collider. The
                      ${B}_{s}^{0}\to \varphi \gamma $ branching fraction is
                      measured to be
                      $\left(3.6±0.5\left(\text{stat}\right)±0.3\left(\text{syst}\right)±0.6\left({f}_{s}\right)\right)×1{0}^{-5}$,
                      where ${f}_{s}$ is the fraction of
                      ${B}_{s}^{\left(*\right)}{\overline{B}}_{s}^{\left(*\right)}$
                      in $b\overline{b}$ events. Our result is in good agreement
                      with the theoretical predictions as well as with a recent
                      measurement from LHCb. We observe no statistically
                      significant signal for the decay ${B}_{s}^{0}\to \gamma
                      \gamma $ and set a 90\% confidence-level upper limit on its
                      branching fraction at $3.1×1{0}^{-6}$. This constitutes a
                      significant improvement over the previous result.},
      keywords     = {electron positron: annihilation (INSPIRE) / electron
                      positron: colliding beams (INSPIRE) / Upsilon(10870):
                      electroproduction (INSPIRE) / Upsilon(10870): hadronic decay
                      (INSPIRE) / B/s0: radiative decay (INSPIRE) / B/s0:
                      branching ratio: measured (INSPIRE) / B/s0: branching ratio:
                      upper limit (INSPIRE) / experimental results (INSPIRE) /
                      BELLE (INSPIRE) / KEK-B (INSPIRE) / B/s0 --> 2photon
                      (INSPIRE) / B/s0 --> Phi(1020) photon (INSPIRE)},
      cin          = {Belle},
      cid          = {I:(DE-H253)Belle-20160426},
      pnm          = {Experiments at KEK (BELLE I/II) (POF2-515)},
      pid          = {G:(DE-H253)POF2-BELLE-I-II-Exp.-20130405},
      experiment   = {EXP:(DE-H253)BELLE-20150101},
      typ          = {PUB:(DE-HGF)25 / PUB:(DE-HGF)15},
      eprint       = {1411.7771},
      howpublished = {arXiv:1411.7771},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1411.7771;\%\%$},
      url          = {https://bib-pubdb1.desy.de/record/192921},
}