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First Measurement of the Decay Dynamics in the Semileptonic Transition of D^{+(0)} into the Axial-Vector Meson K[over ¯]_{1}(1270).

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成果类型:
期刊论文
作者:
Ablikim, M;Achasov, M N;Adlarson, P;Ai, X C;Aliberti, R;...
作者机构:
[Sun, Z Q; Wen, S P; Hou, G Y; Luo, J S; Dai, H L; Yuan, C Z; Zhao, G; Zhao, L; Ma, Q M; Lou, X C; Hou, X T; Zhang, P; Zhang, Y; Tang, G Y; Liu, F; Batozskaya, V; Liu, P L; Wang, X N; Xiang, B H; Zhang, Z D; Cao, G F; Sun, H K; Yan, X Q; Wang, Y F; Kiuchi, R; Li, Q M; Wang, Y Q; Sun, Y Z; Zhang, J Z; Zhang, J W; Zhang, J Y; Zhang, Z H; Han, T T; Yang, T; Liu, C X; Mo, X H; Hu, Y; Fang, Y Q; Hu, T; Song, W M; Zhu, Z A; Wu, Z; Zheng, W J; Chang, J F; Yuan, Y; Yuan, H; Deng, Z Y; Lu, J G; Hu, H M; Zheng, J P; Zeng, Y J; Ma, R Q; Ouyang, Q; Fang, W X; Chen, T; Li, M R; Yuan, S C; Fu, Y W; Rong, G; Chen, G; Ding, B; Wu, S G; Liu, B J; Zhu, K J; Hou, Z L; Ablikim, M; Xu, C F; Cai, X; Li, L J; Ma, H L; Qiu, J F; Jiang, D; Ma, X T; Ma, X Y; Lu, Y P; Heng, Y K; Lu, Y H; Ruan, M Q; Qin, Z H; Fang, S S; Wang, B; Sun, S S; Wang, K; Ping, R G; Du, M C; Wang, Z; Liu, H M; Liao, Y P; Zhang, S H; Mao, Z P; Xie, K J; Yu, B X; Liu, H H; Gong, W X; Kui, X; Lu, Z H; Chen, M L; Zhu, W J; Zhu, K; Ji, X L; Zhang, B X; Ji, X B; Zhang, B L; Guan, C Y; Jing, M Q; Li, K; Li, G; Shi, J Y; Li, F; Lin, T; Zhang, A Q; Li, X; Li, H B; Xu, G F; Chen, X T; Yang, H X; Rong, S S; Gu, M H; Wang, Z Y; Zhang, Y H; Zou, J H; Li, X Y; Wu, L H; Wu, L J; Zhang, H Q; Chen, H S; Shao, L G; Fu, C D; Zhang, H C; Zhao, J Y; Zhao, J Z; Xing, T Y; Li, W D; Li, W G; He, K L; Qi, F Z; Qian, S; Yang, Y X; Zhang, X M; Zhang, H Y; Zhao, Y B; Chen, Y B; Sun, G X; Wang, L L; Ning, Z; Huang, Y P; Ma, J L; Dong, L Y; Luo, X L; Che, Y Z; Jiang, X S; Zhang, G Y; Fang, J; Ye, M; Shen, X Y; Dong, M Y; Cao, N; Miao, H; Shi, X; Ji, Q; Wu, J F; Liu, Z A; Ji, W; Shen, H F; Xie, Y G; Dong, J] Institute of High Energy Physics, Beijing 100049, People's Republic of China
[Achasov, M N; Muchnoi, N Yu; Nikolaev, I B] Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia
[Adlarson, P; Schoenning, K; Kupsc, A; Wolke, M; Johansson, T] Uppsala University, Box 516, SE-75120 Uppsala, Sweden
[Li, D M; Liu, Y; Zhang, N; Zhang, H; Zhang, J; Du, S X; Yu, Y C; Yan, W C; Ai, X C; Lyu, Y H; Zhao, S J; Ke, B C; Zhang, Y T] Zhengzhou University, Zhengzhou 450001, People's Republic of China
[Redmer, C F; Hüsken, N; Wang, W P; Schelhaas, Y; Lenz, T; Lellmann, M; Stieler, F; Muskalla, J; Gradl, W; Aliberti, R; Heinz, C H; Plura, S; Berger, N; Zhou, H; Denig, A] Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany
语种:
英文
期刊:
PHYSICAL REVIEW LETTERS
ISSN:
0031-9007
年:
2025
卷:
135
期:
9
页码:
091801
机构署名:
本校为其他机构
摘要:
Using e^{+}e^{-} data taken at the center-of-mass energy of 3.773GeV with the BESIII detector, corresponding to an integrated luminosity of 20.3  fb^{-1}, we report the first measurement of the decay dynamics of the semileptonic decays D^{+(0)}→K^{-}π^{+}π^{0(-)}e^{+}ν_{e}. The amplitude analysis gives the hadronic form factors of the semileptonic D transitions into the axial-vector meson K[over ¯]_{1}(1270) to be r_{A}=(-11.2±1.0_{stat}±0.9_{syst})×10^{-2} and r_{V}=(-4.3±1.0_{stat}±2.5_{syst})×10^{-2}. This is the first in the se...

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