THE EQUIVALENCE PRINCIPLE EXPERIMENT FOR SPIN-POLARIZED BODIES

Changhuain Hsieh,Pinyun Jen, Kaili Ko, Kehyann Li,Weitou Ni,Sheaushi Pan, Yunghui Shih, R J Tyan

MODERN PHYSICS LETTERS A（2011）

Cited 23|Views11

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Abstract

We perform an equivalence principle experiment for a magnetically shielded spin-polarized body of Dy 6 Fe 23. We use a single-pan mass comparator to compare the spin-polarized body with an unpolarized group of masses. The equivalence of spin-up and spin-down positions is good to (1.1 ±7.8)×10−9 in earth gravitational field.

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Key words

equivalence principle,spin polarization

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