TY - JOUR
T1 - Proton polarizing system with Ar-ion laser for p→-RI scattering experiments
AU - Wakui, T.
AU - Hatano, M.
AU - Sakai, H.
AU - Uesaka, T.
AU - Tamii, A.
N1 - Funding Information:
The authors would like to thank I. Tanihata and T. Suda for their continuous support of this study. They are also grateful to M. Iinuma and K. Takeda for their valuable advise and helpful discussions. We would like to also thank Y. Sekido at Ohyo Koken Kogyo Co., Ltd. for measuring the temperature distribution in the glass vessel used for crystallization. This work is supported by a Grant-in-Aid for Scientific Research No. 15740139 of the Ministry of Education, Culture, Sports, Science, and Technology of Japan.
PY - 2005/9/21
Y1 - 2005/9/21
N2 - A proton polarizing system for use in scattering experiments with radioactive isotope beams is described. Protons in a naphthalene crystal doped with pentacene are polarized in a magnetic field of 0.3 T at 100 K by transferring a large population difference among the photo-excited triplet states of pentacene to the hydrogen nuclei. An Ar-ion laser, which demands minimal maintenance during scattering experiments, is employed to excite the pentacene molecules. A proton polarization of 37% is obtained.
AB - A proton polarizing system for use in scattering experiments with radioactive isotope beams is described. Protons in a naphthalene crystal doped with pentacene are polarized in a magnetic field of 0.3 T at 100 K by transferring a large population difference among the photo-excited triplet states of pentacene to the hydrogen nuclei. An Ar-ion laser, which demands minimal maintenance during scattering experiments, is employed to excite the pentacene molecules. A proton polarization of 37% is obtained.
KW - Aromatic molecules
KW - Polarized target
KW - Unstable nuclei
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U2 - 10.1016/j.nima.2005.05.062
DO - 10.1016/j.nima.2005.05.062
M3 - Article
AN - SCOPUS:24344502665
VL - 550
SP - 521
EP - 534
JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
SN - 0168-9002
IS - 3
ER -