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High proton polarization at high temperature with single crystals of aromatic molecules

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Bibliographic Details
Title:	High proton polarization at high temperature with single crystals of aromatic molecules
Authors:	Iinuma, M.¹ iinuma@hiroshima-u.ac.jp, Takahashi, Y.¹, Shaké, I.¹, Oda, M.¹, Masaike, A.¹, Yabuzaki, T.¹, Shimizu, H.M.²
Source:	Nuclear Instruments & Methods in Physics Research Section A. Aug2004, Vol. 529 Issue 1-3, p199-203. 5p.
Subjects:	Polarization (Nuclear physics), Protons, Aromatic compounds, Magnetic fields
Abstract:	Protons in single crystals of naphthalene doped with pentacene and p-terphenyl doped with pentacene have been polarized up to 32% and 18%, respectively. Such polarization has been achieved at liquid nitrogen temperature in a magnetic field of 3 kG by means of microwave-induced optical nuclear polarization. We also measured the polarization by the neutron transmission method. The relaxation time at 77 K in 7 G was found to be about 3 h and the enhancement of the obtained polarization compared with thermal polarization reached 8×104. This method is applicable to neutron experiments. [Copyright &y& Elsevier]
	Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database:	Engineering Source

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