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Zheng, Xu-Chang; Chang, Chao-Hsi; Feng, Tai-Fu
A proposal on complementary determination of the effective electro-weak mixing angles via doubly heavy-flavored hadron production at a super Z-factory
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
Language英语
KeywordFORWARD-BACKWARD ASYMMETRY DECAYS ANNIHILATION
AbstractTo test the standard model (SM) precisely and to look for the clues deviating from SM, a proposal for determining the effective electro-weak mixing angles sin(2) theta efff (particularly f = lept, c, b) is proposed. It is via observing the asymmetries (the forward-backward one A(FB), the left-right one A(LR) and the combined left-right forward-backward one ALRFB) of the doubly heavy-flavored hadrons in the production at a super Z-factory (an e(+)e(-) collider designed with a luminosity as high as possible for modern-day techniques runs around the center-of-mass energy s=mZ). To see the sensitivity, uncertainties as well as the event accumulation precisely, the observables for describing the asymmetries of the produced hadrons are computed numerically with varying effective mixing angles, and based on the result analyses, it is concluded that the proposal may offer an independent complement determination of the effective mixing angles.
2020
ISSN1674-7348
Volume63Issue:8Pages:281011
Cooperation Status国内
Subject AreaPhysics
MOST Discipline CataloguePhysics, Multidisciplinary
DOI10.1007/s11433-019-1497-9
Indexed BySCIE
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/26933
CollectionSCI期刊论文
Affiliation1.[Zheng, Xu-Chang
2.Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
4.Chongqing Univ, Dept Phys, Chongqing 401331, Peoples R China
5.CCAST, World Lab, Beijing 100190, Peoples R China
6.Hebei Univ, Dept Phys, Baoding 071002, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Xu-Chang,Chang, Chao-Hsi,Feng, Tai-Fu. A proposal on complementary determination of the effective electro-weak mixing angles via doubly heavy-flavored hadron production at a super Z-factory[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2020,63(8):281011.
APA Zheng, Xu-Chang,Chang, Chao-Hsi,&Feng, Tai-Fu.(2020).A proposal on complementary determination of the effective electro-weak mixing angles via doubly heavy-flavored hadron production at a super Z-factory.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,63(8),281011.
MLA Zheng, Xu-Chang,et al."A proposal on complementary determination of the effective electro-weak mixing angles via doubly heavy-flavored hadron production at a super Z-factory".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 63.8(2020):281011.
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