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SUMMARY:Development of magnetic resonance imaging (MRI) system using beta-
 NMR technique
DTSTART;VALUE=DATE-TIME:20220828T133000Z
DTEND;VALUE=DATE-TIME:20220828T134500Z
DTSTAMP;VALUE=DATE-TIME:20220826T104912Z
UID:indico-contribution-3677@indico.stfc.ac.uk
DESCRIPTION:Speakers: Takato Sugisaki (Dept. Phys. Osaka Univ.)\nToday\, t
 he technology of magnetic resonance imaging (MRI) has been established and
  it is essential in the medical field. MRI is the method of making an in-s
 itu image by utilizing nuclear magnetic resonance (NMR). However\, the MRI
  technique has rarely been put to practical use for elements other than hy
 drogen because of the sensitivity issue. On the other hand\, the technique
  of beta-ray-detecting NMR (beta-NMR) makes it possible to observe NMR for
  various elements with extremely high sensitivity by measuring the asymmet
 ry of the beta-ray emission from polarized radioisotopes (RIs). By utilizi
 ng beta-NMR\, we aim to create a 3-dimensional (3D) MRI system. We have de
 veloped a detector set with plastic scintillation fibers\, which enables u
 s to track back the trajectory of beta-rays. Moreover\, by seeking the bet
 a-ray asymmetry at each position in the sample\, we can create a magnetic 
 resonance image. We conducted experiments using a spin-polarized  $^{12}\\
 rm{B}$($I=1\,T_{1/2}=20\\\;\\rm{ms}$) beam at HIMAC heavy-ion synchrotron 
 facility of the National Institutes for Quantum Science and Technology. We
  obtained the data from various samples of mixtures as well as simple subs
 tances. We have successfully obtained a 1D image of the beta-ray asymmetry
  for $^{12}\\rm{B}$ in Si. The data analysis for 3D imaging are now in pro
 gress.\nIt is expected that this new technique will be applied to non-dest
 ructive and non-contact testing related to various fields such as medical 
 and materials science.\nIn this conference\, we will present our new resul
 ts of the analyses. We will also show some idea that a combination of beta
 -NMR and mu-SR will expand this technique.\n\nhttps://indico.stfc.ac.uk/ev
 ent/53/contributions/3677/
LOCATION: Aula dei Cavalieri\, University Central Palace\, via Università
  12
URL:https://indico.stfc.ac.uk/event/53/contributions/3677/
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