W Happer

Science Based Stockpile Stewardship

Sidney D. Drell, C. Callan, D Eardley, 1994 .

Human lung air spaces: potential for MR imaging with hyperpolarized He-3.

H C Charles, J R MacFall, C E Ravin, 1996, Radiology.

In vivo He-3 MR images of guinea pig lungs.

L W Hedlund, W Happer, G A Johnson, 1996, Radiology.

Dynamics of magnetization in hyperpolarized gas MRI of the lung

L W Hedlund, W Happer, G A Johnson, 1997, Magnetic resonance in medicine.

Energy transport in high-density spin-exchange optical pumping cells.

W Happer, W. Happer, D K Walter, 2001, Physical review letters.

MR imaging and spectroscopy using hyperpolarized 129Xe gas: Preliminary human results

E E de Lange, J H Downs, W Happer, 1997, Magnetic resonance in medicine.

Push-pull optical pumping of pure superposition states.

W Happer, W. Happer, Y. Jau, 2004, Physical review letters.