在 Belle 上通过初态辐射测量 $e^+e^- \to \gamma\chi_{cJ}$
高能物理 - 实验
2015-07-29 v2
摘要
利用在 KEKB 非对称能量 对撞机上 Belle 探测器收集的 (=1, 2, 3, 4, 5) 共振态及其附近总计 980 fb 的数据，通过初态辐射研究了过程 (=1, 2)。除 衰变外，未观察到显著信号。在 90% 置信水平下确定了 和 之间的截面上限，范围从几 pb 到几十 pb。我们还设定了矢量粲偶素 [, , 和 ] 和类粲偶素态 [, , 和 ] 衰变到 的衰变率上限。
引用
@article{arxiv.1506.05229,
title = {Measurement of $e^+e^- \to \gamma\chi_{cJ}$ via initial state radiation at Belle},
author = {Belle Collaboration and Y. L. Han and X. L. Wang and C. Z. Yuan and C. P. Shen and P. Wang and A. Abdesselam and I. Adachi and H. Aihara and S. Al Said and D. M. Asner and T. Aushev and V. Babu and I. Badhrees and V. Bansal and V. Bhardwaj and J. Biswal and A. Bozek and M. Bračko and A. Chen and B. G. Cheon and R. Chistov and K. Cho and V. Chobanova and S. -K. Choi and D. Cinabro and J. Dalseno and M. Danilov and Z. Doležal and A. Drutskoy and D. Dutta and S. Eidelman and H. Farhat and J. E. Fast and T. Ferber and B. G. Fulsom and V. Gaur and N. Gabyshev and A. Garmash and D. Getzkow and R. Gillard and R. Glattauer and Y. M. Goh and P. Goldenzweig and B. Golob and J. Haba and K. Hayasaka and H. Hayashii and X. H. He and T. Horiguchi and W. -S. Hou and T. Iijima and A. Ishikawa and I. Jaegle and D. Joffe and K. K. Joo and H. Kichimi and D. Y. Kim and J. B. Kim and J. H. Kim and K. T. Kim and S. H. Kim and Y. J. Kim and K. Kinoshita and B. R. Ko and P. Kodyš and P. Križan and P. Krokovny and P. Lewis and L. Li Gioi and J. Libby and D. Liventsev and P. Lukin and M. Masuda and D. Matvienko and K. Miyabayashi and H. Miyata and R. Mizuk and A. Moll and H. K. Moon and R. Mussa and E. Nakano and M. Nakao and M. Nayak and N. K. Nisar and S. Nishida and S. Ogawa and S. Okuno and W. Ostrowicz and P. Pakhlov and G. Pakhlova and B. Pal and H. Park and T. K. Pedlar and R. Pestotnik and M. Petrič and L. E. Piilonen and C. Pulvermacher and E. Ribežl and M. Ritter and A. Rostomyan and H. Sahoo and Y. Sakai and S. Sandilya and L. Santelj and T. Sanuki and O. Schneider and G. Schnell and C. Schwanda and K. Senyo and M. E. Sevior and M. Shapkin and V. Shebalin and T. -A. Shibata and J. -G. Shiu and B. Shwartz and F. Simon and Y. -S. Sohn and A. Sokolov and E. Solovieva and S. Stanič and M. Steder and M. Sumihama and U. Tamponi and Y. Teramoto and M. Uchida and S. Uehara and T. Uglov and Y. Unno and S. Uno and Y. Usov and C. Van Hulse and P. Vanhoefer and G. Varner and A. Vossen and M. N. Wagner and Y. Watanabe and K. M. Williams and S. Yashchenko and Y. Yook and C. C. Zhang and Z. P. Zhang and V. Zhilich and V. Zhulanov and A. Zupanc},
journal= {arXiv preprint arXiv:1506.05229},
year = {2015}
}
备注
Accepted by PRD