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Measurements of the CP-even fractions of D0 → π+ π- π0 and D0 → K+ K- π0 at BESIII

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成果类型:
期刊论文
作者:
Ablikim, M.;Achasov, M. N.;Adlarson, P.;Afedulidis, O.;Ai, X. C.;...
通讯作者:
Ablikim, M
作者机构:
[Yu, B. X.; Yu, G.; Hu, T.; Ning, Z.; Zhang, P.; Wen, S. P.; Shi, X.; Sun, G. X.; Ma, M. M.; Chen, T.; Hou, X. T.; Zhu, Z. A.; Xu, G. F.; Wang, K.; Zhou, L. P.; Heng, Y. K.; Ji, Q.; Zhang, J. W.; Chen, Z. Y.; Rong, G.; Guan, C. Y.; Qi, F. Z.; Wang, Y. F.; Wang, L. L.; Ouyang, Q.; Jiang, D.; Che, Y. Z.; Liao, Y. P.; Zhang, A. Q.; Ji, X. B.; Qian, S.; Dong, M. Y.; Fang, S. S.; Chang, J. F.; Liu, Z. A.; Yang, T.; Yan, X. Q.; Sun, Z. Q.; Han, T. T.; Wu, J. F.; Sun, S. S.; Ding, B.; Fu, C. D.; Zhang, Y.; Lou, X. C.; Lin, T.; Zhang, B. X.; Xing, T. Y.; Cao, G. F.; Ji, W.; Wu, L. H.; Zhao, Y. B.; Fu, Y. W.; Zheng, J. P.; Jiang, X. S.; Kiuchi, R.; Fang, Y. Q.; Gu, M. H.; Lu, Y. P.; Dong, L. Y.; Zhang, H. Q.; Zhao, G.; Wu, L. J.; Li, L. J.; Yuan, Y.; Lu, X. L.; Wu, Z.; Fang, Y.; Luo, X. L.; Ji, X. L.; Zhang, X. M.; Li, X. Y.; Li, L. K.; Li, H. B.; Liu, F.; Liang, H.; Huang, Y. P.; Zhang, J. Y.; Zhao, L.; Yin, J. H.; Yang, Y. F.; Batozskaya, V.; Song, W. M.; Chen, X. T.; Zhang, J. Z.; He, K. L.; Chen, G.; Ablikim, M.; Liu, C. X.; Li, X.; Zhu, K.; Liu, H. H.; Zhao, J. Z.; Mao, Z. P.; Xiao, S. Y.; Lu, J. G.; Liu, P. L.; Jing, M. Q.; Sun, H. K.; Chen, Y. B.; Du, M. C.; Wang, Z.; Ablikim, M; Zhao, J. Y.; Dong, J.; Shi, J. Y.; Ruan, M. Q.; Yuan, C. Z.; Tang, G. Y.; Yuan, S. C.; Zhang, H. Y.; Chen, M. L.; Zhang, Z. H.; Hou, G. Y.; Shen, H. F.; Shao, L. G.; Hou, Z. L.; Sun, Y. Z.; Liu, B. J.; Xiang, B. H.; Zhu, K. J.; Liu, H. M.; Xu, C. F.; Ma, H. L.; Ye, M.; Xie, Y. G.; Chen, H. S.; Cao, N.; Ma, X. T.; Deng, Z. Y.; Ma, Q. M.; Wang, Z. Y.; Cai, X.; Zhang, Y. H.; Ma, R. Q.; Zheng, W. J.; Zou, J. H.; Liu, J. Y.; Wang, X. N.; Kui, X.; Li, W. G.; Wang, Y. Q.; Mo, X. H.; Fang, J.; Li, Q. M.; Shen, X. Y.; Ma, X. Y.; Hu, H. M.; Li, K.; Gong, W. X.; Xu, W.; Hu, Y.; Wang, B.; Zhang, B. L.; Ma, J. L.; Yang, Y. X.; Miao, H.; Zhang, S. H.; Li, F.; Lu, Z. H.; Yang, H. X.; Qin, Z. H.; Li, G.; Ping, R. G.; Qiu, J. F.; Zhang, Z. D.; Zhang, H. C.; Dai, H. L.; Li, W. D.; Fang, W. X.; Zeng, Y. J.] Inst High Energy Phys, Beijing 100049, Peoples R China.
[Xu, H. Y.; Yuan, L.] Beihang Univ, Beijing 100191, Peoples R China.
[Afedulidis, O.; Fritsch, M.; Heinsius, F. H.; Kuessner, M.; Hanisch, F.; Pelizaeus, M.; Kopf, B.; Wollenberg, L.; Holtmann, T.; de Boer, R. E.; Feldbauer, F.; Wiedner, U.; Hoelzken, F.] Bochum Ruhr Univ, D-44780 Bochum, Germany.
[Achasov, M. N.; Nikolaev, I. B.; Muchnoi, N. Yu.] Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia.
[Briere, R. A.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
通讯机构:
[Ablikim, M ] I
Inst High Energy Phys, Beijing 100049, Peoples R China.
语种:
英文
期刊:
PHYSICAL REVIEW D
ISSN:
2470-0010
年:
2025
卷:
111
期:
1
页码:
012007
基金类别:
Institute of High Energy Physics University of Science and Technology of China National Key Research and Development Program of China#&#&#2020YFA0406400#&#&#2020YFA0406300#&#&#2023YFA1606000#&#&#2023YFA1609400 National Natural Science Foundation of China#&#&#11635010#&#&#11625523#&#&#11735014#&#&#11835012#&#&#11935015#&#&#11935016#&#&#11935018#&#&#11961141012#&#&#12025502#&#&#12035009#&#&#12035013#&#&#12061131003#&#&#12122509#&#&#12105276#&#&#12192260#&#&#12192261#&#&#12192262#&#&#12192263#&#&#12192264#&#&#12192265#&#&#12221005#&#&#12225509#&#&#12235017#&#&#12361141819 Chinese Academy of Sciences#&#&#U1832207#&#&#U2032111#&#&#U1732263#&#&#U1832103#&#&#U2032104 CAS Center for Excellence in Particle Physics#&#&#YSBR-101 Key Research Program of Frontier Science, Chinese Academy of Sciences#&#&#QYZDJ-SSW-SLH003#&#&#QYZDJ-SSW-SLH040 Guangxi Overseas High-level Talent “Hundred People Program” Shanghai Key Laboratory for Particle Physics and Cosmology Horizon 2020 Framework Programme HORIZON EUROPE Marie Sklodowska-Curie Actions#&#&#894790 Deutsche Forschungsgemeinschaft#&#&#455635585 Istituto Nazionale di Fisica Nucleare Sezione di Padova Kalkinma Bakanliği#&#&#DPT2006K-120470 National Research Foundation of Korea#&#&#NRF-2022R1A2C1092335 Narodowe Centrum Nauki#&#&#2019/35/O/ST2/02907 Vetenskapsrådet U.S. Department of Energy#&#&#DE-FG02-05ER41374 BEPCII Excellent Youth Foundation of Henan Scientific Committee#&#&#242300421044 Institute of Nuclear and Particle Physics Collaborative Research Center#&#&#CRC 1044#&#&#FOR5327#&#&#GRK 2149 National Science and Technology Fund of Mongolia National Science Research and Innovation Fund Program Management Unit for Human Resources & Institutional Development, Research and Innovation of Thailand#&#&#B16F640076#&#&#B50G670107
机构署名:
本校为其他机构
摘要:
The CP-even fractions (F+) of the decays D-0 -> pi(+) pi(-) pi(0) and D-0 -> K+ K- pi(0) are measured with a quantum-correlated psi(3770) -> D (D) over bar data sample collected by the BESIII experiment corresponding to an integrated luminosity of 7.93 fb(-1). The results are F+pi(+) pi(-) pi(0) = 0.9406 +/- 0.0055 +/- 0.0033 and F-+(K+ K- pi 0) = 0.631 +/- 0.014 +/- 0.011, where the first uncertainties are statistical and the second systematic. These measurements are consistent with the previous determinations, and the uncertainties for F+pi(+) pi(-) pi(0) and F-+(K+ K- pi 0) are reduced by f...

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