Observation of $\Upsilon(4S)\to \eta' \Upsilon(1S)$
High Energy Physics - Experiment
2018-08-15 v1
Abstract
We report the first observation of the hadronic transition , using 496 fb data collected at the resonance with the Belle detector at the KEKB asymmetric-energy collider. We reconstruct the meson through its decays to and to , with . We measure: , with a significance of 5.7.
Cite
@article{arxiv.1803.10303,
title = {Observation of $\Upsilon(4S)\to \eta' \Upsilon(1S)$},
author = {Belle Collaboration and E. Guido and R. Mussa and U. Tamponi and H. Aihara and S. Al Said and D. M. Asner and H. Atmacan and V. Aulchenko and T. Aushev and R. Ayad and V. Babu and I. Badhrees and A. M. Bakich and V. Bansal and P. Behera and M. Berger and V. Bhardwaj and J. Biswal and A. Bondar and G. Bonvicini and A. Bozek and M. Bračko and T. E. Browder and D. Červenkov and V. Chekelian and A. Chen and B. G. Cheon and K. Chilikin and K. Cho and S. -K. Choi and Y. Choi and S. Choudhury and D. Cinabro and S. Cunliffe and S. Di Carlo and Z. Doležal and S. Eidelman and D. Epifanov and J. E. Fast and T. Ferber and B. G. Fulsom and R. Garg and V. Gaur and N. Gabyshev and A. Garmash and M. Gelb and A. Giri and P. Goldenzweig and J. Haba and T. Hara and H. Hayashii and M. T. Hedges and W. -S. Hou and K. Inami and G. Inguglia and A. Ishikawa and R. Itoh and M. Iwasaki and Y. Iwasaki and W. W. Jacobs and H. B. Jeon and S. Jia and Y. Jin and T. Julius and K. H. Kang and G. Karyan and T. Kawasaki and C. Kiesling and D. Y. Kim and J. B. Kim and K. T. Kim and S. H. Kim and K. Kinoshita and P. Kodyš and S. Korpar and D. Kotchetkov and P. Križan and R. Kroeger and P. Krokovny and R. Kulasiri and R. Kumar and T. Kumita and A. Kuzmin and Y. -J. Kwon and I. S. Lee and S. C. Lee and L. K. Li and Y. B. Li and L. Li Gioi and J. Libby and D. Liventsev and M. Lubej and T. Luo and J. MacNaughton and M. Masuda and T. Matsuda and D. Matvienko and M. Merola and K. Miyabayashi and H. Miyata and R. Mizuk and G. B. Mohanty and H. K. Moon and T. Mori and E. Nakano and M. Nakao and T. Nanut and K. J. Nath and M. Nayak and M. Niiyama and S. Nishida and S. Ogawa and H. Ono and W. Ostrowicz and G. Pakhlova and B. Pal and S. Pardi and C. W. Park and S. Paul and T. K. Pedlar and R. Pestotnik and L. E. Piilonen and V. Popov and A. Rostomyan and G. Russo and Y. Sakai and M. Salehi and T. Sanuki and O. Schneider and G. Schnell and C. Schwanda and Y. Seino and V. Shebalin and C. P. Shen and T. -A. Shibata and J. -G. Shiu and B. Shwartz and A. Sokolov and M. Starič and J. F. Strube and M. Sumihama and T. Sumiyoshi and M. Takizawa and K. Tanida and F. Tenchini and M. Uchida and T. Uglov and Y. Unno and Y. Usov and C. Van Hulse and G. Varner and A. Vinokurova and B. Wang and C. H. Wang and M. -Z. Wang and P. Wang and X. L. Wang and M. Watanabe and Y. Watanabe and E. Widmann and E. Won and H. Ye and J. Yelton and C. Z. Yuan and Y. Yusa and S. Zakharov and Z. P. Zhang and V. Zhilich and V. Zhukova and V. Zhulanov},
journal= {arXiv preprint arXiv:1803.10303},
year = {2018}
}
Comments
6 pages, 4 figures. Submitted to PRL