Chin. Phys. Lett.  2006, Vol. 23 Issue (8): 2052-2055    DOI:
Original Articles |
Improvement of Test of Solar Neutrino Coherent Scattering with Torsion Pendulum
FENG Guo-Qiang;YANG Shan-Qing;TU Liang-Cheng;LUO Jun
Department of Physics, Huazhong University of Science and Technology, Wuhan 430074
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FENG Guo-Qiang, YANG Shan-Qing, TU Liang-Cheng et al  2006 Chin. Phys. Lett. 23 2052-2055
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Abstract A torsion pendulum containing two sapphire crystals and two lead rings is used to test Weber’s theory of enhanced solar neutrino coherent scattering. Our experiment gives a null result for the diurnal force with a noise level of 3.8×10-14N, which is 526 times smaller than the predicted value of Weber’s theory, and directly rules out Weber’s theory and the experimental result. This experiment also reveals a test of the weak equivalence principle with η (Al2O3, Pb) = (0.8±3.1) × 10-10 for masses falling toward the Sun.
Keywords: 25.30.Pt      11.90.+t      29.25.-t     
Published: 01 August 2006
PACS:  25.30.Pt (Neutrino-induced reactions)  
  11.90.+t (Other topics in general theory of fields and particles)  
  29.25.-t (Particle sources and targets)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I8/02052
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FENG Guo-Qiang
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