NEB 15 – Recent Developments in Gravity | |
MTV-G experiment : probing a non-standard strong gravitational field at nuclear scale using geodetic precession | |
Tanaka, Saki^1 ; Nakaya, Yusuke^1 ; Ninomiya, Kazufumi^1,2 ; Nishio, Hironori^1 ; Onishi, Junichi^1 ; Openshaw, Robert^3 ; Pearson, Matthew^3 ; Totsuka, Yumi^1 ; Murata, Jiro^1 | |
Department of Physics, Rikkyo University, Nishi-Ikebukuro, Tokyo 171-8501, Japan^1 | |
RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan^2 | |
TRIUMF, Vancouver, BC 2A3, Canada^3 | |
关键词: Electron spin precession; Experimental techniques; Extra dimensions; Nuclear scattering; Radioactive beams; Search time; Spin polarized electron sources; Strong gravitational fields; | |
Others : https://iopscience.iop.org/article/10.1088/1742-6596/453/1/012018/pdf DOI : 10.1088/1742-6596/453/1/012018 |
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来源: IOP | |
【 摘 要 】
The MTV-G project has started in 2011 to explore a strong gravitational field around nuclei utilizing an experimental technique developed to search time reversal symmetry violation in nuclear beta decay experiment at a radioactive beam facility. A large electron spin-precession due to a possible strong gravitational field, which has been predicted by a large extra dimension model, is investigated in an electron-nuclear scattering experiment at TRIUMF. The experimental design, which use a spin polarized electron source and a Mott-spin analyzer, the commissioning experiment, the preliminary results, together with an introduction to the next generation device, are described in this article.
【 预 览 】
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