Measurement of the absolute branching fraction of D + → $\bar{K}$ 0 e + ν e via $\bar{K}$0 → π0 π0

Ablikim, M.; Achasov, M. N.; Ai, X. C.; Albayrak, O.; Albrecht, M.; Ambrose, D. J.; Amoroso, A.; An, F. F.; An, Q.; Bai, J. Z.; Baldini Ferroli, R.; Ban, Y.; Bennett, D. W.; Bennett, J. V.; Bertani, M.; Bettoni, D.; Bian, J. M.; Bianchi, F.; Boger, E.; Boyko, I.; Briere, R. A.; Cai, H.; Cai, X.; Cakir, O.; Calcaterra, A.; Cao, G. F.; Cetin, S. A.; Chang, J. F.; Chelkov, G.; Chen, G.; Chen, H. S.; Chen, H. Y.; Chen, J. C.; Chen, M. L.; Chen, S.; Chen, S. J.; Chen, X.; Chen, X. R.; Chen, Y. B.; Cheng, H. P.; Chu, X. K.; Cibinetto, G.; Dai, H. L.; Dai, J. P.; Dbeyssi, A.; Dedovich, D.; Deng, Z. Y.; Denig, A.; Denysenko, I.; Destefanis, M.; De Mori, F.; Ding, Y.; Dong, C.; Dong, J.; Dong, L. Y.; Dong, M. Y.; Dou, Z. L.; Du, S. X.; Duan, P. F.; Fan, J. Z.; Fang, J.; Fang, S. S.; Fang, X.; Fang, Y.; Farinelli, R.; Fava, L.; Fedorov, O.; Feldbauer, F.; Felici, G.; Feng, C. Q.; Fioravanti, E.; Fritsch, M.; Fu, C. D.; Gao, Q.; Gao, X. L.; Gao, X. Y.; Gao, Y.; Gao, Z.; Garzia, I.; Goetzen, K.; Gong, L.; Gong, W. X.; Gradl, W.; Greco, M.; Gu, M. H.; Gu, Y. T.; Guan, Y. H.; Guo, A. Q.; Guo, L. B.; Guo, R. P.; Guo, Y.; Guo, Y. P.; Haddadi, Z.; Hafner, A.; Han, S.; Hao, X. Q.; Harris, F. A.; He, K. L.; Held, T.; Heng, Y. K.; Hou, Z. L.; Hu, C.; Hu, H. M.; Hu, J. F.; Hu, T.; Hu, Y.; Huang, G. S.; Huang, J. S.; Huang, X. T.; Huang, X. Z.; Huang, Y.; Huang, Z. L.; Hussain, T.; Ji, Q.; Ji, Q. P.; Ji, X. B.; Ji, X. L.; Jiang, L. W.; Jiang, X. S.; Jiang, X. Y.; Jiao, J. B.; Jiao, Z.; Jin, D. P.; Jin, S.; Johansson, T.; Julin, A.; Kalantar-Nayestanaki, N.; Kang, X. L.; Kang, X. S.; Kavatsyuk, M.; Ke, B. C.; Kiese, P.; Kliemt, R.; Kloss, B.; Kolcu, O. B.; Kopf, B.; Kornicer, M.; Kupsc, A.; Kühn, W.; Lange, J. S.; Lara, M.; Larin, P.; Leng, C.; Li, C.; Li, Cheng; Li, D. M.; Li, F.; Li, F. Y.; Li, G.; Li, H. B.; Li, H. J.; Li, J. C.; Li, Jin; Li, K.; Li, K.; Li, Lei; Li, P. R.; Li, Q. Y.; Li, T.; Li, W. D.; Li, W. G.; Li, X. L.; Li, X. 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doi:10.1088/1674-1137/40/11/113001

Title: Measurement of the absolute branching fraction of D ⁺ → $$\bar{K}$$ ⁰ e ⁺ ν _e via $$\bar{K}$$⁰ → π⁰ π⁰

Journal Article · Tue Nov 01 00:00:00 EDT 2016 · Chinese Physics. C, High Energy Physics and Nuclear Physics

DOI:https://doi.org/10.1088/1674-1137/40/11/113001· OSTI ID:1356087

Ablikim, M.; Achasov, M. N.; Ai, X. C.; Albayrak, O.; Albrecht, M.; Ambrose, D. J.; Amoroso, A.; An, F. F.; An, Q.; Bai, J. Z.; Baldini Ferroli, R.; Ban, Y.; Bennett, D. W.; Bennett, J. V.; Bertani, M.; Bettoni, D.; Bian, J. M.; Bianchi, F.; Boger, E.; Boyko, I. more »

By analyzing 2.93 fb–1 data collected at the center-of-mass energy with the BESIII detector, we measure the absolute branching fraction of the semileptonic decay D+ → $$\bar{K}$$0 e+νe to be Β(D⁺ → $$\bar{K}$$⁰ e⁺ν_e) = (8.59 ± 0.14 ± 0.21)% using $$\bar{K}$$⁰ → K⁰_s → π⁰π⁰, where the first uncertainty is statistical and the second systematic. Finally, our result is consistent with previous measurements within uncertainties..

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Research Organization:: Carnegie Mellon Univ., Pittsburgh, PA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Contributing Organization:: BESIII Collaboration

Grant/Contract Number:: SC0012069

OSTI ID:: 1356087

Journal Information:: Chinese Physics. C, High Energy Physics and Nuclear Physics, Vol. 40, Issue 11; ISSN 1674-1137

Publisher:: IOP PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 44 works

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Cited By (2)

Test lepton flavor universality with (semi)leptonic $D$ decays at BESIII Zhang, Sifan SciPost Physics Proceedings, Issue 1 https://doi.org/10.21468/scipostphysproc.1.016	journal	January 2019
Observation of $D^{0 (+)} \to K_{S}^{0} π^{0 (+)} η^{'}$ and improved measurement of $D^{0} \to K^{-} π^{+} η^{'}$ Ablikim, M.; Achasov, M. N.; Ahmed, S. Physical Review D, Vol. 98, Issue 9 https://doi.org/10.1103/physrevd.98.092009	journal	November 2018

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Title: Measurement of the absolute branching fraction of D + → $$\bar{K}$$ 0 e + ν e via $$\bar{K}$$0 → π0 π0

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