QQ客服 官方微博 反馈留言

	D0-d?0 mixing parameter y in the factorization-assisted topological-amplitude approach**supported by national natural science foundation of china (11347027, 11505083, 11375208, 11521505, 1162113100, 11235005, u1732101), ministry of science and technology of r.o.c. (most-104-2112-m-001-037-my3) and dfg forschergruppe for 1873 “quark flavour physics and effective field theories”
	Jiang,Hua-Yu1; Yu,Fu-Sheng1,2; Qin,Qin3,4; Li,Hsiang-nan5; Lü,Cai-Dian4
刊名	Chinese physics c
	2018-05-01
卷号	42期号:6
关键词	Mixing of charmed mesons Strong interactions Weak interactions Decays of charmed mesons 14.40.lb 12.40.-y 12.15.ff
ISSN号	1674-1137
DOI	10.1088/1674-1137/42/6/063101
英文摘要	Abstract we calculate the d 0 - d ˉ 0 mixing parameter y in the factorization-assisted topological-amplitude (fat) approach, considering contributions from d 0 → pp , pv, and vv modes, where p (v) stands for a pseudoscalar (vector) meson. the d 0 → pp and pv decay amplitudes are extracted in the fat approach, and the d 0 → vv decay amplitudes with final states in the longitudinal polarization are estimated via the parameter set for d 0 → pv . it is found that the vv contribution to y, being of order of 10?4, is negligible, and that the pp and pv contributions amount only up to y pp+pv = ( 0.21 ± 0.07 ) % , a prediction more precise than those previously obtained in the literature, and much lower than the experimental data y exp = ( 0.61 ± 0.08 ) % . we conclude that d0 meson decays into other two-body and multi-particle final states are relevant to the evaluation of y, so it is difficult to understand it fully in an exclusive approach.
语种	英语
出版者	Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd
WOS记录号	IOP:1674-1137-42-6-063101
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2175740
专题	高能物理研究所
作者单位	1.School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000 2.Research Center for Hadron and CSR Physics, Lanzhou University and Institute of Modern Physics of CAS, Lanzhou 730000 3.Theoretische Physik 1, Naturwissenschaftlich-Technische Fakult?t, Universit?t Siegen, Walter-Flex-Strasse 3, D-57068 Siegen 4.Institute of High Energy Physics, P.O. Box 918(4), Chinese Academy of Sciences, Beijing 100049 5.Institute of Physics, Academia Sinica, Taipei 11529
推荐引用方式 GB/T 7714	Jiang,Hua-Yu,Yu,Fu-Sheng,Qin,Qin,et al. D0-d?0 mixing parameter y in the factorization-assisted topological-amplitude approach**supported by national natural science foundation of china (11347027, 11505083, 11375208, 11521505, 1162113100, 11235005, u1732101), ministry of science and technology of r.o.c. (most-104-2112-m-001-037-my3) and dfg forschergruppe for 1873 “quark flavour physics and effective field theories”[J]. Chinese physics c,2018,42(6).
APA	Jiang,Hua-Yu,Yu,Fu-Sheng,Qin,Qin,Li,Hsiang-nan,&Lü,Cai-Dian.(2018).D0-d?0 mixing parameter y in the factorization-assisted topological-amplitude approach**supported by national natural science foundation of china (11347027, 11505083, 11375208, 11521505, 1162113100, 11235005, u1732101), ministry of science and technology of r.o.c. (most-104-2112-m-001-037-my3) and dfg forschergruppe for 1873 “quark flavour physics and effective field theories”.Chinese physics c,42(6).
MLA	Jiang,Hua-Yu,et al."D0-d?0 mixing parameter y in the factorization-assisted topological-amplitude approach**supported by national natural science foundation of china (11347027, 11505083, 11375208, 11521505, 1162113100, 11235005, u1732101), ministry of science and technology of r.o.c. (most-104-2112-m-001-037-my3) and dfg forschergruppe for 1873 “quark flavour physics and effective field theories”".Chinese physics c 42.6(2018).

个性服务

查看访问统计

相关权益政策

暂无数据

收藏/分享

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。