氢分子在非金属表面的核极化
Nuclear Polarization of Molecular Hydrogen Recombined on a Non-metallic Surface
摘要：
利用正电子-质子深度非弹性散射中的纵向双自旋不对称性，测量了核极化H原子在硅基聚合物表面复合形成的$\mathrm{H}_2$分子的核极化.发现这些分子具有实质性的核极化，这是初始极化的原子在被吸收到这种类型的表面上时保持其核极化的证据
英文摘要：
The nuclear polarization of $\mathrm{H}_2$ molecules formed by recombination of nuclear polarized H atoms on the surface of a storage cell initially coated with a silicon-based polymer has been measured by using the longitudinal double-spin asymmetry in deep-inelastic positron-proton scattering. The molecules are found to have a substantial nuclear polarization, which is evidence that initially polarized atoms retain their nuclear polarization when absorbed on this type of surface
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