Belle II 上 $D^+_s$ 寿命的精确测量
高能物理 - 实验
2023-12-25 v2
摘要
我们利用 Belle II 实验在 SuperKEKB 非对称能量 对撞机上收集的 207 fb 数据样本，测量 介子的寿命。该寿命通过对 个 衰变的衰变时间分布进行拟合来确定。我们的结果为 fs，其中第一个不确定度为统计不确定度，第二个为系统不确定度。该结果比以往测量显著更精确。
引用
@article{arxiv.2306.00365,
title = {Precise measurement of the $D^+_s$ lifetime at Belle II},
author = {Belle II Collaboration and I. Adachi and L. Aggarwal and H. Aihara and N. Akopov and A. Aloisio and N. Anh Ky and D. M. Asner and H. Atmacan and T. Aushev and V. Aushev and M. Aversano and V. Babu and H. Bae and S. Bahinipati and P. Bambade and Sw. Banerjee and M. Barrett and J. Baudot and M. Bauer and A. Baur and A. Beaubien and J. Becker and P. K. Behera and J. V. Bennett and F. U. Bernlochner and V. Bertacchi and M. Bertemes and E. Bertholet and M. Bessner and S. Bettarini and B. Bhuyan and F. Bianchi and T. Bilka and D. Biswas and D. Bodrov and A. Bondar and A. Bozek and M. Bračko and P. Branchini and R. A. Briere and T. E. Browder and A. Budano and S. Bussino and M. Campajola and L. Cao and G. Casarosa and C. Cecchi and J. Cerasoli and M. -C. Chang and P. Chang and P. Cheema and V. Chekelian and B. G. Cheon and K. Chilikin and K. Chirapatpimol and H. -E. Cho and K. Cho and S. -K. Choi and S. Choudhury and J. Cochran and L. Corona and S. Das and F. Dattola and S. A. De La Motte and G. de Marino and G. De Nardo and M. De Nuccio and G. De Pietro and R. de Sangro and M. Destefanis and S. Dey and R. Dhamija and A. Di Canto and F. Di Capua and J. Dingfelder and Z. Doležal and I. Domínguez Jiménez and T. V. Dong and M. Dorigo and K. Dort and S. Dreyer and S. Dubey and G. Dujany and P. Ecker and D. Epifanov and P. Feichtinger and D. Ferlewicz and C. Finck and G. Finocchiaro and A. Fodor and F. Forti and A. Frey and B. G. Fulsom and A. Gabrielli and E. Ganiev and M. Garcia-Hernandez and A. Garmash and G. Gaudino and V. Gaur and A. Gaz and A. Gellrich and G. Ghevondyan and D. Ghosh and H. Ghumaryan and G. Giakoustidis and R. Giordano and A. Giri and A. Glazov and B. Gobbo and R. Godang and O. Gogota and P. Goldenzweig and W. Gradl and E. Graziani and D. Greenwald and Z. Gruberová and T. Gu and Y. Guan and K. Gudkova and Y. Han and K. Hayasaka and H. Hayashii and S. Hazra and C. Hearty and I. Heredia de la Cruz and A. Hershenhorn and T. Higuchi and E. C. Hill and M. Hoek and M. Hohmann and C. -L. Hsu and T. Humair and T. Iijima and K. Inami and N. Ipsita and A. Ishikawa and S. Ito and R. Itoh and M. Iwasaki and P. Jackson and W. W. Jacobs and D. E. Jaffe and E. -J. Jang and Q. P. Ji and S. Jia and Y. Jin and H. Junkerkalefeld and A. B. Kaliyar and J. Kandra and G. Karyan and T. Kawasaki and F. Keil and C. Ketter and C. Kiesling and C. -H. Kim and D. Y. Kim and K. -H. Kim and Y. -K. Kim and H. Kindo and K. Kinoshita and P. Kodyš and T. Koga and S. Kohani and K. Kojima and A. Korobov and S. Korpar and R. Kowalewski and T. M. G. Kraetzschmar and P. Križan and P. Krokovny and T. Kuhr and J. Kumar and M. Kumar and R. Kumar and K. Kumara and A. Kuzmin and Y. -J. Kwon and S. Lacaprara and Y. -T. Lai and T. Lam and J. S. Lange and M. Laurenza and R. Leboucher and F. R. Le Diberder and P. Leitl and D. Levit and P. M. Lewis and L. K. Li and J. Libby and Q. Y. Liu and Z. Q. Liu and D. Liventsev and S. Longo and T. Lueck and C. Lyu and Y. Ma and M. Maggiora and S. P. Maharana and R. Maiti and S. Maity and R. Manfredi and E. Manoni and M. Mantovano and D. Marcantonio and S. Marcello and C. Marinas and C. Martellini and A. Martini and T. Martinov and L. Massaccesi and M. Masuda and T. Matsuda and K. Matsuoka and D. Matvienko and S. K. Maurya and J. A. McKenna and R. Mehta and F. Meier and M. Merola and F. Metzner and M. Milesi and C. Miller and M. Mirra and K. Miyabayashi and G. B. Mohanty and N. Molina-Gonzalez and S. Mondal and S. Moneta and H. -G. Moser and M. Mrvar and R. Mussa and I. Nakamura and Y. Nakazawa and A. Narimani Charan and M. Naruki and Z. Natkaniec and A. Natochii and L. Nayak and G. Nazaryan and N. K. Nisar and S. Nishida and H. Ono and F. Otani and E. R. Oxford and P. Pakhlov and G. Pakhlova and A. Paladino and A. Panta and E. Paoloni and S. Pardi and A. Passeri and S. Patra and S. Paul and T. K. Pedlar and I. Peruzzi and R. Peschke and R. Pestotnik and F. Pham and M. Piccolo and L. E. Piilonen and T. Podobnik and S. Pokharel and C. Praz and S. Prell and E. Prencipe and M. T. Prim and H. Purwar and P. Rados and G. Raeuber and S. Raiz and M. Reif and S. Reiter and M. Remnev and I. Ripp-Baudot and G. Rizzo and J. M. Roney and A. Rostomyan and N. Rout and G. Russo and S. Sandilya and A. Sangal and L. Santelj and Y. Sato and V. Savinov and B. Scavino and C. Schmitt and C. Schwanda and A. J. Schwartz and Y. Seino and A. Selce and K. Senyo and J. Serrano and M. E. Sevior and C. Sfienti and W. Shan and X. D. Shi and T. Shillington and J. -G. Shiu and D. Shtol and A. Sibidanov and F. Simon and R. J. Sobie and M. Sobotzik and A. Soffer and A. Sokolov and E. Solovieva and S. Spataro and B. Spruck and M. Starič and P. Stavroulakis and Z. S. Stottler and R. Stroili and M. Sumihama and H. Svidras and M. Takahashi and M. Takizawa and U. Tamponi and K. Tanida and F. Tenchini and O. Tittel and D. Tonelli and E. Torassa and K. Trabelsi and I. Tsaklidis and K. Unger and Y. Unno and K. Uno and S. Uno and P. Urquijo and Y. Ushiroda and S. E. Vahsen and R. van Tonder and K. E. Varvell and M. Veronesi and V. S. Vismaya and L. Vitale and R. Volpe and B. Wach and S. Wallner and E. Wang and M. -Z. Wang and X. L. Wang and Z. Wang and A. Warburton and M. Watanabe and C. Wessel and E. Won and X. P. Xu and B. D. Yabsley and S. Yamada and W. Yan and S. B. Yang and K. Yoshihara and C. Z. Yuan and Y. Yusa and Y. Zhang and V. Zhilich and J. S. Zhou and Q. D. Zhou and V. I. Zhukova and R. Žlebčík},
journal= {arXiv preprint arXiv:2306.00365},
year = {2023}
}
备注
7 pages, 4 figures, as published in Physical Review Letters