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A double tag technique is used to measure the absolute branching fractions $\\mathcal{B}(D^{+}\\to\\omega\\pi^{+})=(2.79\\pm0.57\\pm0.16)\\times 10^{-4}$ and $\\mathcal{B}(D^{0}\\to\\omega\\pi^{0})=(1.17\\pm0.34\\pm0.07)\\times 10^{-4}$, with statistical significances of $5.5\\sigma$ and $4.1\\sigma$, respectively. We also present measurements of the absolute branching fractions for t","authors_text":"A. Amoroso, A.A. Zafar, A. Calcaterra, A.Dbeyssi, A. Denig, A. Hafner, A. Julin, A. Kupsc, A.Q. Guo, A. Sarantsev, A. Yuncu, A. Zallo, A. Zhemchugov, B.C. Ke, BESIII Collaboration: M. Ablikim, B.J. Liu, B. Kloss, B. Kopf, B.L. Wang, B.S. Zou, B. Wang, B.X. Yu, B.X. Zhang, B.Y. Zhang, B. Zheng, B. Zhong, C.C. Zhang, C.D. Fu, C. Dong, C.F. Qiao, C.F. Redmer, Cheng Li, Ch. Rosner, C. Hu, C.J. Tang, C. Leng, C. Li, C.L. Luo, C. Morales Morales, C.P. Shen, C.Q. Feng, C.X. Liu, C.X. Yu, C. Zhang, C.Z. Yuan, D. Bettoni, D. Dedovich, D.H. Wei, D.H. Zhang, D.J. Ambrose, D. Liu, D.M.Li, D.P. Jin, D. Wang, D.W. Bennett, D. Xiao, D.X. Lin, D.Y. Wang, E. Boger, E. Fioravanti, E.H. Thorndike, F.A. Harris, Fang Liu, F. Bianchi, F.C. Ma, F. DeMori, F.E. Maas, Feng Liu, F.F. An, F. Feldbauer, F.H. Liu, F. Li, F. Nerling, F.Y. Li, G. Chelkov, G. Chen, G. Cibinetto, G.F. Cao, G. Felici, G.F. Xu, G. Li, G.M. Huang, G.R. Liao, G. Rong, G.S. Huang, G.S. Varner, G.X. Sun, G. Zhao, H.B. Li, H.B. Liu, H. Cai, H.H. Liu, H.H.Liu, H.H. Zhang, H.J. Li, H.J. Lu, H.J. Yang, H.L. Dai, H. Liang, H.L. Ma, H. Loehner, H.M. Hu, H.M. Liu, H. Muramatsu, H.P. Cheng, H.P. Peng, H.S. Chen, H. Xiao, H.X. Yang, H.Y. Chen, H.Y. Sheng, H.Y. Zhang, I.B. Nikolaev, I. Boyko, I. Denysenko, I. Garzia, I. Tapan, I.Uman, J.B. Jiao, J.B. Liu, J.B. Wei, J.C. Chen, J.C. Li, J. Dong, J. Fang, J.F. Chang, J.F. Hu, J.F. Qiu, J.F. Sun, J.G. Lu, J.G. Messchendorp, J.H. Yin, J.H. Zou, Jin Li, J.J. Liang, J.J. Xu, J.J. Zhang, J. Liu, J.L. Ping, J.L. Zhang, J.M. Bian, J. Min, J.P. Dai, J. Pettersson, J.P. Liu, J.P. Zheng, J.Q. Zhang, J.S. Huang, J.S. Lange, J.S. Yu, J.V. Bennett, J.W. Zhang, J.W. Zhao, J.Y. Liu, J.Y. Zhang, J.Y. Zhao, J.Z. Bai, J.Z. Fan, J. Zhang, J. Zhuang, J.Z. Zhang, J.Z. Zhao, K. Goetzen, K.H. Rashid, K.J. Zhu, K.L. He, K. Li, K. Liu, K. Moriya, K. Peters, K. Schoenning, K. Wang, K.Y. Liu, K. Zhang, K. Zhu, L.B. Guo, L.D. Liu, Lei Li, Lei Zhao, L. Fava, L.G. Xia, L.H. Wu, Ling Zhao, L.J. Wu, L.L. Ma, L.L. Wang, L.Q. Qin, L.S. Wang, L.W. Jiang, L. Xia, L. Xu, L. Yan, L. Yang, L.Y. Dong, L. Zhang, L. Zhou, L. Zotti, M. Albrecht, M. Bertani, M. Destefanis, M. Fritsch, M. Greco, M.G. Zhao, M.H. Gu, M.H. Ye, M. Kavatsyuk, M. Kornicer, M. Lara, M.L. Chen, M. Maggiora, M.M. Ma, M.N. Achasov, M. Pelizaeus, M. Qi, M. Ripka, M. Savri\\'e, M. Shao, M. Shi, M. Tiemens, M. Ullrich, M. Wang, M. Wolke, M.X. Luo, M.Y. Dong, M. Ye, N. Kalantar-Nayestanaki, N. Qin, N.Yu. Muchnoi, O. Albayrak, O.B. Kolcu, O. Cakir, P.F. Duan, P. Kiese, P. Larin, P.L. Liu, P.L. Wang, P. Patteri, P.R. Li, P. 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