Belle II 上的 $B$ 味标记
高能物理 - 实验
2022-04-05 v2
摘要
我们报告了为在 Belle II 上确定底（）介子的夸克味内容而开发的新味标记算法。这些算法为夸克味混合与电荷-宇称破坏测量提供了必要输入。我们利用在 SuperKEKB 对撞机上 Belle II 探测器于 (4) 共振处收集、对应积分亮度 fb 的数据集中重建的味特异末态强子 衰变，对算法性能进行了验证与评估。我们测得基于类别的算法总有效标记效率为 ，基于深度学习的算法为 。
引用
@article{arxiv.2110.00790,
title = {$B$-flavor tagging at Belle II},
author = {F. Abudinén and N. Akopov and A. Aloisio and V. Babu and Sw. Banerjee and M. Bauer and J. V. Bennett and F. U. Bernlochner and M. Bessner and S. Bettarini and T. Bilka and S. Bilokin and D. Biswas and D. Bodrov and J. Borah and M. Bračko and P. Branchini and A. Budano and M. Campajola and G. Casarosa and C. Cecchi and R. Cheaib and V. Chekelian and C. Chen and Y. Q. Chen and H. -E. Cho and S. Cunliffe and G. De Nardo and G. De Pietro and R. de Sangro and S. Dey and A. Di Canto and F. Di Capua and T. V. Dong and G. Dujany and P. Ecker and M. Eliachevitch and T. Ferber and F. Forti and E. Ganiev and A. Gaz and M. Gelb and J. Gemmler and R. Godang and P. Goldenzweig and E. Graziani and K. Hara and A. Hershenhorn and T. Higuchi and E. C. Hill and M. Hohmann and T. Humair and G. Inguglia and H. Junkerkalefeld and R. Karl and Y. Kato and T. Keck and C. Kiesling and C. -H. Kim and S. Kohani and I. Komarov and T. M. G. Kraetzschmar and P. Križan and J. F. Krohn and T. Kuhr and J. Kumar and K. Kumara and S. Kurz and S. Lacaprara and C. La Licata and M. Laurenza and K. Lautenbach and S. C. Lee and K. Lieret and L. Li Gioi and Q. Y. Liu and S. Longo and M. Maggiora and E. Manoni and C. Marinas and A. Martini and F. Meier and M. Merola and F. Metzner and M. Milesi and K. Miyabayashi and G. B. Mohanty and F. Mueller and C. Murphy and E. R. Oxford and S. -H. Park and A. Passeri and F. Pham and L. E. Piilonen and S. Pokharel and M. T. Prim and C. Pulvermacher and P. Rados and M. Ritter and A. Rostomyan and S. Sandilya and L. Santelj and Y. Sato and A. J. Schwartz and M. E. Sevior and A. Soffer and S. Spataro and R. Stroili and W. Sutcliffe and D. Tagnani and M. Takizawa and U. Tamponi and F. Tenchini and E. Torassa and P. Urquijo and L. Vitale and Y. Yusa and L. Zani and Q. D. Zhou and R. Žlebčík and A. Zupanc},
journal= {arXiv preprint arXiv:2110.00790},
year = {2022}
}