Seeking for Dynamical Polarisation in Solid HD
Dr. Eric Radtke
Bochum University
日時: 2004年9月2日(木) 16:20
場所: 東北大学原子核理学研究施設3階会議室
Abstract:
The Bochum Polarised Target group is examing the possibility
of an HD solid polarized target. Since brute force polarisation is not
possible with the given laboratory infrastructure and has very long
build up times, the way of dynamical polarisation has been chosen.
A 90-Sr beta source to create paramagnetic centers has been employed.
Bolometric EPR measurements show the suitability of the source.
Polarization could not be measured yet because of isotopic impurities
inside the material, which shorten nuclear relaxation times.

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