High-Current Single Bunch Electron Linear Accelerator

Takeda, S.; Tsumori, K.; Kimura, Norio; Yamamoto, Tatsuya; Hori, T.; Sawai, Takeshi; Ohkuma, J.; Takamuku, Setsuo; Okada, T.; Hayashi, Kohei; Kawanishi, Masaharu

doi:10.1109/tns.1985.4334325

Cited by 37 publications

(7 citation statements)

References 6 publications

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“…The subsequent irradiation of the magnet would be the direct result of the electromagnetic shower produced, consisting of γ-rays, electrons, positrons, and neutrons. Nd-Fe-B sample magnets were irradiated to an electron dose of 260 Mrad at the ISIR at Osaka University [5,20]. The magnetic flux of the sample magnets was measured using an open coil, evaluating the total magnetic flux of the sample [5].…”

Section: Radiation-induced Demagnetization Of Permanent Magnetsmentioning

confidence: 99%

Radiation-induced demagnetization of Nd-Fe-B permanent magnets.

Alderman¹,

Job²,

Martin³

et al. 2001

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Section: Radiation-induced Demagnetization Of Permanent Magnetsmentioning

confidence: 99%

Radiation-induced demagnetization of Nd-Fe-B permanent magnets.

Alderman¹,

Job²,

Martin³

et al. 2001

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“…[15][16][17][18][19] The time resolution of transient absorption pulse radiolysis experiments using this type of linac has, for the most part, 4.…”

Section: Introductionmentioning

confidence: 99%

Ultrafast pulse radiolysis using a terawatt laser wakefield accelerator

Oulianov

Crowell

Gosztola

et al. 2007

Journal of Applied Physics

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We report the first ultrafast pulse radiolysis transient absorption spectroscopy measurements from the Terawatt Ultrafast High Field Facility (TUHFF) at Argonne National Laboratory. TUHFF houses a 20 TW Ti:sapphire laser system that generates 2.5 nC sub-picosecond pulses of multi-MeV electrons at 10 Hz using laser wakefield acceleration. The system has been specifically optimized for kinetic measurements in a pump-probe fashion. This requires averaging over many shots which necessitates stable, reliable generation of electron pulses. The latter were used to generate excess electrons in pulse radiolysis of liquid water and concentrated solutions of perchloric acid. The hydronium ions in the acidic solutions react with the hydrated electrons resulting in the rapid decay of the transient absorbance at 800 nm on the picosecond time scale. Time resolution of a few picoseconds has been demonstrated. The current time resolution is determined primarily by the physical dimensions of the sample and the detection sensitivity. Subpicosecond time resolution can be achieved by using thinner samples, more sensitive detection techniques and improved electron beam quality.

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“…Kinetic traces and transient absorption spectra were obtained using nanosecond pulse radiolysis. A pulsed EB by L-band linac in the Institute of Scientific and Industrial Research (ISIR) at Osaka University [6,7] was used in the experiments. The EB pulse width was 8 ns, and the time resolution of the system was ~10 ns.…”

Section: Pulse Radiolysis Study On Pmeamamentioning

confidence: 99%

Study on Electron-beam-induced Reactions of Methyl α-Allyloxymethyl Acrylic Polymer

Hosaka

Kondoh

Oyama

et al. 2018

J. Photopol. Sci. Technol.

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α-Allyloxymethyl acrylic (AMA) polymers are radical-curable resins that contain tetrahydrofuran (THF) rings in their main chain and acrylic units in their side chains. AMA polymers are generally cured by ultraviolet light with photopolymerization initiators and are used as adhesive agents, sealants, inks, and resist materials owing to its high adhesiveness, transparency, and thermal tolerance. In this study, the applicability of methyl AMA polymer (PMeAMA) as an electron beam (EB) resist was investigated. PMeAMA performs as a negative-tone resist upon EB irradiation, and the sensitivity of PMeAMA was determined to be 300-400 μC/cm 2 for a 55 kV EB. This value is comparable to those of poly(methyl methacrylate) (PMMA) and hydrogen silsesquioxane. The radiation-induced early reactions of PMeAMA in nanosecond time scale were studied by using nanosecond pulse radiolysis. The electron scavenging capability of PMeAMA was confirmed, and its electron scavenging rate constant was comparable to that of PMMA. The reactivity of PMeAMA with solvent radical cations was observed in dichloromethane solution.

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High-Current Single Bunch Electron Linear Accelerator

Cited by 37 publications

References 6 publications

Radiation-induced demagnetization of Nd-Fe-B permanent magnets.

Radiation-induced demagnetization of Nd-Fe-B permanent magnets.

Ultrafast pulse radiolysis using a terawatt laser wakefield accelerator

Study on Electron-beam-induced Reactions of Methyl α-Allyloxymethyl Acrylic Polymer

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