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Measurement of the CP-even fraction of D-0 -> K K-+(-)pi(+)pi(-)

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成果类型:
期刊论文
作者:
Ablikim, M.;Achasov, M. N.;Adlarson, P.;Albrecht, M.;Aliberti, R.;...
作者机构:
[Li, Xiaoyu; Hu, T.; Ning, Z.; Wen, S. P.; Shi, X.; Ma, M. M.; Wang, K.; Heng, Y. K.; Ji, Q.; Rong, G.; Guan, C. Y.; Wang, Y. F.; Wang, L. L.; Ouyang, Q.; Ji, X. B.; Qian, S.; Dong, M. Y.; Fang, S. S.; Chang, J. F.; Liu, Z. A.; Wu, J. F.; Wang, Yaqian; Sun, S. S.; Fu, C. D.; Lou, X. C.; Lin, T.; Cao, G. F.; Wu, L. H.; Jiang, X. S.; Kiuchi, R.; Gu, M. H.; Lu, Y. P.; Dong, L. Y.; Wu, L. J.; Li, L. J.; Lu, X. L.; Wu, Z.; Fang, Y.; Luo, X. L.; Ji, X. L.; Li, L. K.; Liang, H.; Huang, Y. P.; Batozskaya, V.; Liu, Huanhuan; Song, W. M.; Chen, X. T.; He, K. L.; Chen, G.; Ablikim, M.; Liu, C. X.; Chang, W. L.; Xiao, S. Y.; Lu, J. G.; Liu, P. L.; Jing, M. Q.; Sun, H. K.; Chen, Y. B.; Wang, Z.; Liu, Fang; Liu, K.; Wang, H. P.; Tang, G. Y.; Chen, M. L.; Hou, G. Y.; Shen, H. F.; Lane, J. J.; Shao, L. G.; Hou, Z. L.; Sun, Y. Z.; Liu, B. J.; Li, Ke; Min, T. J.; Liu, H. M.; Ma, H. L.; Sun, T.; Xie, Y. G.; Chen, H. S.; Cao, N.; Deng, Z. Y.; Ma, Q. M.; Wang, Z. Y.; Cai, X.; Pan, X.; Ma, R. Q.; Shi, R. S.; Liu, J. Y.; Li, W. G.; Wang, Y. Q.; Mo, X. H.; Fang, J.; Shen, X. Y.; Ma, X. Y.; Hu, H. M.; Gong, W. X.; Hu, Y.; Wang, B.; Wang, Meng; Miao, H.; Lu, Z. H.; Qin, Z. H.; Ping, R. G.; Dai, H. L.; Li, H.; Li, W. D.; Fang, W. X.] Inst High Energy Phys, Beijing 100049, Peoples R China.
Beihang Univ, Beijing 100191, Peoples R China.
[Berger, N.] Beijing Inst Petrochem Technol, Beijing 102617, Peoples R China.
[Jaeger, S.; Lavezzi, L.; Qi, M.; Chen, T.; Wang, S.; Pelizaeus, M.; Li, Hui; Keshk, I. K.; Wollenberg, L.; Albrecht, M.; Kupsc, A.; Mao, Z. P.; Dong, J.; Schnier, C.; Feldbauer, F.; Wiedner, U.; Li, J. Q.; Boer, R. E. de; Maldaner, S.; Lei, Z. H.; Lei, T. T.] Bochum Ruhr Univ, D-44780 Bochum, Germany.
[Briere, R. A.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
语种:
英文
期刊:
PHYSICAL REVIEW D
ISSN:
2470-0010
年:
2023
卷:
107
期:
3
基金类别:
National Key R&D Program of China; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; Joint Large-Scale Scientific Facility Funds of the NSFC and CAS; CAS Center for Excellence in Particle Physics (CCEPP); 100 Talents Program of CAS; Institute of Nuclear and Particle Physics (INPAC) and Shanghai Key Laboratory for Particle Physics and Cosmology; ERC; European Union's Horizon 2020 research and innovation programme under Marie Sklodowska-Curie; German Research Foundation DFG; Collaborative Research Center; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey; National Science and Technology fund; National Science Research and Innovation Fund (NSRF) via the Program Management Unit for Human Resources & Institutional Development, Research and Innovation [2020YFA0406300, 12192264, 12192265]; Olle Engkvist Foundation; STFC (United Kingdom) [U1832207]; Suranaree University of Technology (SUT) , Thailand Science Research and Innovation (TSRI) , and National Science Research and Innovation Fund (NSRF); Royal Society, UK; Swedish Research Council; U.S. Department of Energy [758462]; [894790]; [443159800]; [455635585]; [CRC 1044]; [FOR5327]; [GRK 2149]; [DPT2006K-120470]; [B16F640076]; [200-0605]; [160355]; [DH140054]; [DH160214]; [DE-FG02-05ER41374]
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摘要:
A determination of the CP-even fraction F thorn in the decay D-0 -> K+K- pi(+) pi- is presented. Using 2.93 fb(-1) of e(+) e(-) -> psi(3770) -> D (D) over bar data collected by the BESIII detector, one charm meson is reconstructed in the signal mode and the other in a CP eigenstate or the decay D -> K-S,L(0) pi(+) pi(-). Analysis of the relative rates of these double-tagged events yields the result F+= 0.730 +/- 0.037 +/- 0.021, where the first uncertainty is statistical and the second is systematic. This is the first model-independe...

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