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Search for an exotic parity-odd spin- and velocity-dependent interaction using a magnetic force microscope
Ren, Xiaofang1; Wang, Jianbo1; Luo, Rui1; Yin, Lichang2,3; Ding, Jihua1; Zeng, Ge4; Luo, Pengshun1
Corresponding AuthorLuo, Pengshun(pluo2009@hust.edu.cn)
2021-08-23
Source PublicationPHYSICAL REVIEW D
ISSN2470-0010
Volume104Issue:3Pages:9
AbstractExotic spin-dependent interactions may be generated by exchanging hypothetical bosons that have been proposed to solve some mysteries in physics by theories beyond the standard model of particle physics. The search for such interactions can be conducted by tabletop scale experiments using high precision measurement techniques. Here we report an experiment to explore the parity-odd interaction between moving polarized electrons and unpolarized nucleons using a magnetic force microscope. The polarized electrons are provided by the magnetic tip at the end of a silicon cantilever, and their polarizations are approximately magnetized in the plane of the magnetic coating on the tip. A periodic structure with alternative gold and silicon dioxide stripes provides unpolarized nucleons with periodic number density modulation. The exotic forces are expected to change the oscillation amplitude of the cantilever which is measured by a fiber laser interferometer. Data has been taken by scanning the tip over the nucleon source structure at constant separation, and no exotic signal related to the density modulation has been observed. Thus, the experiment sets a limit on the electron-nucleon coupling constant, g(A)(e)g(V)(N) <= 9 x 10(-15) for 15 mu m <= lambda <= 180 mu m, using a direct force measurement method.
Funding OrganizationNational Natural Science Foundation of China
DOI10.1103/PhysRevD.104.032008
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[11875137] ; National Natural Science Foundation of China[91736312] ; National Natural Science Foundation of China[51972312] ; National Natural Science Foundation of China[51472249]
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000688527400001
PublisherAMER PHYSICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166844
Collection中国科学院金属研究所
Corresponding AuthorLuo, Pengshun
Affiliation1.Huazhong Univ Sci & Technol, MOE Key Lab Fundamental Quant Measurement, Hubei Key Lab Gravitat & Quantum Phys, Sch Phys, Wuhan 430074, Peoples R China
2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
3.Huaibei Normal Univ, Dept Phys & Elect Informat, Huaibei 235000, Anhui, Peoples R China
4.Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China
Recommended Citation
GB/T 7714
Ren, Xiaofang,Wang, Jianbo,Luo, Rui,et al. Search for an exotic parity-odd spin- and velocity-dependent interaction using a magnetic force microscope[J]. PHYSICAL REVIEW D,2021,104(3):9.
APA Ren, Xiaofang.,Wang, Jianbo.,Luo, Rui.,Yin, Lichang.,Ding, Jihua.,...&Luo, Pengshun.(2021).Search for an exotic parity-odd spin- and velocity-dependent interaction using a magnetic force microscope.PHYSICAL REVIEW D,104(3),9.
MLA Ren, Xiaofang,et al."Search for an exotic parity-odd spin- and velocity-dependent interaction using a magnetic force microscope".PHYSICAL REVIEW D 104.3(2021):9.
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