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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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| Cite this article: |
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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.
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| Keywords:
25.30.Pt
11.90.+t
29.25.-t
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Published: 01 August 2006
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| PACS: |
25.30.Pt
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(Neutrino-induced reactions)
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11.90.+t
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(Other topics in general theory of fields and particles)
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29.25.-t
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(Particle sources and targets)
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