Search Results - "Sugai, I."

Quantitative measurement of oxygen content in Si targets by Sugai, I.

“…Enriched self-supporting targets of 28,29,30Si are often used in the field of high resolution nuclear physics experiments. The Si targets were prepared by the…”
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Surface-assisted spin Hall effect in Au films with Pt impurities by Gu, B, Sugai, I, Ziman, T, Guo, G Y, Nagaosa, N, Seki, T, Takanashi, K, Maekawa, S

“…We show, both experimentally and theoretically, a novel route to obtain giant room temperature spin-Hall effect due to surface-assisted skew scattering. In the…”
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Lifetime dependence of nitrided carbon stripper foils on sputter angle during N+ ion beam sputtering by Sugai, I., Oyaizu, M., Takeda, Y., Kawakami, H., Kawasaki, K., Hattori, T., Kadono, T.

“…We fabricated high-lifetime thin nitride carbon stripper (NCS) foils with high nitrogen contents using ion-beam sputtering with reactive nitrogen gas and…”
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Performance characteristics of HBC stripper foils irradiated by 650keV H− and high intensity DC ion beams by Sugai, I., Takagi, A., Takeda, Y., Irie, Y., Oyaizu, M., Kawakami, H.

“…Newly developed Hybrid type Boron mixed Carbon (HBC) stripper foils are extensively used not only for the RCS of J-PARC and PSR of LANL, but also for other low…”
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Analyses and the effect of impurities contained in charge stripper foils for the 3-GeV RCS of J-PARC by Yamazaki, Y., Yoshimoto, M., Saha, P. K., Kinsho, M., Taguchi, T., Yamamoto, S., Sugai, I.

“…In J-PARC, the 3 GeV rapid cycling synchrotron (RCS) applied hybrid type thick boron-doped carbon (HBC) foils as charge stripper in the multi-turn injection…”
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Suppression of carbon buildup and lifetime improvement by heating carbon stripper foils by Sugai, I., Oyaizu, M., Takeda, Y., Kawakami, H., Hattori, T., Kawasaki, K.

“…We have successfully developed a new method to reduce the amount of carbon buildup on thin cluster (less than 3.5 μg/cm 2) carbon stripper foils by heating…”
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Sputtering angle effects by Kr mixing in N+ ion beam on the lifetime of nitrided carbon stripper foils by Sugai, I., Oyaizu, M., Takeda, Y., Kawakami, H., Kawasaki, K., Hattori, T., Kadono, T.

“…Nitrided carbon stripper (NCS) foils with high nitrogen content were produced by ion beam sputtering of reactive nitrogen gas. Such foils seem to be very…”
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Preparation of self-supporting boron targets by Sasamoto, Y., Kawabata, T., Hamagaki, M., Sugai, I., Takeda, Y.

“…The procedure for the fabrication of self-supporting isotopically enriched 11B targets for the application to nuclear scattering measurements using an…”
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Improvement of thickness and uniformity of isotopically enriched 12C targets on backings by the HIVIPP method by Sugai, I., Takeda, Y., Kawakami, H., Nagai, Y., Ohta, N.

“…We have made enriched 12C targets to accurately measure the cross-section of the 12C( α, γ) 16O reaction, which is very important in nuclear astrophysics…”
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Target preparation by means of the vibrational motion of particles at one atmosphere by Sugai, I.

“…The new target preparation method, which is based on the vibrational motion of microparticles in the electric field between parallel electrodes, has been…”
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Preparation of thick enriched isotopic Si targets by the HIVIPP method by Sugai, I., Takeda, Y., Kawakami, H.

“…A thick enriched isotopic 28Si target is required for a hyper-nuclear spectroscopy experiment. We have successfully prepared Si targets of 50–125 mg/cm 2 in…”
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Comparison of carbon and corrugated diamond stripper foils under operational conditions at the Los Alamos PSR by Spickermann, T., Borden, M.J., Macek, R.J., Shaw, R.W., Feigerle, C.S., Sugai, I.

“…To accumulate high-intensity proton pulses, the Los Alamos Proton Storage Ring (PSR) uses the charge-exchange injection method. H − ions merge with already…”
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First observation of laser-induced resonant annihilation in metastable antiprotonic helium atoms by Morita, N, Kumakura, M, Yamazaki, T, Widmann, E, Masuda, H, Sugai, I, I, Hayano, RS, Maas, FE, Torii, HA, Hartmann, FJ, Daniel, H, von Egidy T, Ketzer, B, Müller, W, Schmid, W, Horváth, D, Eades, J

“…We have observed the first laser-induced resonant transitions in antiprotonic helium atoms. These occur between metastable states and Auger dominated short…”
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A test preparation of thick carbon stripper foils for RCS of J-PARC by Sugai, I., Takeda, Y., Oyaizu, M., Kawakami, H., Hattori, Y., Kawasaki, K.

“…Japan-Proton Accelerator Research Complex requires thick carbon stripper foils (300–500 μg/cm 2) to strip electrons from the H − beam supplied by the linac…”
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Target preparation of highly adhesive enriched 12C on Au substrates by a HIVIPP method by Sugai, I, Takeda, Y, Makii, H, Sano, K, Nagai, Y

“…Enriched 12C targets were needed to measure accurately the cross-section of the 12C( α, γ) 16O reaction, important in nuclear astrophysics. A target of…”
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Test preparation and lifetime measurement of very thin carbon stripper foils made by a controlled DC arc-discharge method by Sugai, I, Takeda, Y, Oyaizu, M, Kawakami, H, Hattori, Y, Kawasaki, K, Hayashizaki, N

“…We have prepared very thin plastic supported carbon stripper foils (1.2±0.3 μg/cm 2) using a controlled DC arc-discharge (CDAD) method. The lifetime of these…”
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Laser studies of the decay chain of metastable antiprotonic helium atoms by Hayano, RS, Maas, FE, Torii, HA, Morita, N, Kumakura, M, Yamazaki, T, Masuda, H, Sugai, I, I, Hartmann, FJ, Daniel, H, von Egidy T, Ketzer, B, Müller, W, Schmid, W, Horváth, D, Eades, J, Widmann, E

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Hyperfine structure of the metastable p̄He + atomcule revealed by a laser-induced ( n, l) = (37, 35) → (38, 34) transition by Widmann, E., Eades, J., Yamazaki, T., Torii, H.A., Hayano, R.S., Hori, M., Ishikawa, T., Kumakura, M., Morita, N., Sugai, I., Hartmann, F.J., von Egidy, T., Ketzer, B., Maierl, C., Pohl, R., Horváth, D.

“…A precise scan of the previously discovered laser-induced transition ( n, l) = (37, 35) → (38, 34) in p̄He + revealed a doublet structure with a separation of…”
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Effects of impurity atoms and molecules on the lifetime of antiprotonic helium atoms by Widmann, E, Sugai, I, I, Yamazaki, T, Hayano, RS, Iwasaki, M, Nakamura, SN, Tamura, H, Ito, TM, Kawachi, A, Nishida, N, Higemoto, W, Ito, Y, Morita, N, Hartmann, FJ, Daniel, H, von Egidy T, Schmid, W, Hoffmann, J, Eades, J

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Energy losses and straggling of light ions transmitted through thin carbon foils by Ogawa, H, Katayama, I, Haruyama, Y, Saito, M, Yoshida, K, Tosaki, M, Sugai, I

“…The energy losses of 10 MeV/amu 3 He 2+,1+ , 6 Li 3+,2+ , 12 C 6+,5+,4+ and 16 O 8+,7+,6+,5+ ions passing through carbon foils of 5–110 μg/cm 2 in thickness…”
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