Observation of a vector charmoniumlike state in $e^+e^- \to D^+_sD_{s1}(2536)^-+c.c.$
High Energy Physics - Experiment
2020-01-08 v1 High Energy Physics - Phenomenology
Abstract
Using a data sample of 921.9 fb collected with the Belle detector, we study the process of via initial-state radiation. We report the first observation of a vector charmoniumlike state decaying to with a significance of 5.9, including the systematic uncertainties. The measured mass and width are and , respectively. The product of the cross section and the branching fraction of is measured from the threshold to 5.59~GeV.
Keywords
Cite
@article{arxiv.1911.00671,
title = {Observation of a vector charmoniumlike state in $e^+e^- \to D^+_sD_{s1}(2536)^-+c.c.$},
author = {Belle Collaboration and S. Jia and C. P. Shen and C. Z. Yuan and X. L. Wang and I. Adachi and H. Aihara and D. M. Asner and H. Atmacan and V. Aulchenko and R. Ayad and V. Babu and I. Badhrees and A. M. Bakich and P. Behera and B. Bhuyan and T. Bilka and J. Biswal and A. Bobrov and G. Bonvicini and A. Bozek and M. Bračko and T. E. Browder and M. Campajola and L. Cao and D. Červenkov and P. Chang and A. Chen and B. G. Cheon and K. Chilikin and H. E. Cho and K. Cho and S. -K. Choi and Y. Choi and D. Cinabro and S. Cunliffe and G. De Nardo and F. Di Capua and S. Di Carlo and Z. Doležal and T. V. Dong 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 A. Giri and P. Goldenzweig and B. Golob and K. Hayasaka and H. Hayashii and W. -S. Hou and C. -L. Hsu and T. Iijima and K. Inami and G. Inguglia and A. Ishikawa and R. Itoh and M. Iwasaki and Y. Iwasaki and W. W. Jacobs and Y. Jin and K. K. Joo and K. H. Kang and G. Karyan and H. Kichimi and B. H. Kim and C. H. Kim and D. Y. Kim and S. H. Kim and K. Kinoshita and P. Kodyš and S. Korpar and R. Kroeger and P. Krokovny and R. Kulasiri and A. Kuzmin and Y. -J. Kwon and K. Lalwani and J. S. Lange and I. S. Lee and S. C. Lee and P. Lewis and C. H. Li and L. K. Li and Y. B. Li and L. Li Gioi and J. Libby and K. Lieret and D. Liventsev and C. MacQueen and M. Masuda and T. Matsuda and D. Matvienko and M. Merola and H. Miyata and R. Mizuk and R. Mussa and K. J. Nath and M. Nayak and M. Niiyama and N. K. Nisar and S. Nishida and K. Nishimura and S. Ogawa and H. Ono and Y. Onuki and P. Oskin and P. Pakhlov and G. Pakhlova and T. Pang and S. Pardi and H. Park and S. -H. Park and S. Patra and S. Paul and T. K. Pedlar and R. Pestotnik and L. E. Piilonen and V. Popov and E. Prencipe and M. T. Prim and M. Röhrken and A. Rostomyan and N. Rout and G. Russo and D. Sahoo and Y. Sakai and S. Sandilya and L. Santelj and V. Savinov and O. Schneider and G. Schnell and C. Schwanda and Y. Seino and K. Senyo and M. E. Sevior and J. -G. Shiu and B. Shwartz and A. Sokolov and E. Solovieva and S. Stanič and M. Starič and Z. S. Stottler and T. Sumiyoshi and W. Sutcliffe and M. Takizawa and K. Tanida and F. Tenchini and K. Trabelsi and M. Uchida and T. Uglov and Y. Unno and S. Uno and Y. Usov and R. Van Tonder and G. Varner and A. Vinokurova and V. Vorobyev and C. H. Wang and M. -Z. Wang and M. Watanabe and E. Won and S. B. Yang and H. Ye and J. H. Yin and Z. P. Zhang and V. Zhilich and V. Zhukova and V. Zhulanov},
journal= {arXiv preprint arXiv:1911.00671},
year = {2020}
}
Comments
8 pages, 3 figures, plus 2 pages Supplemental Material