Search Results - "Ooba, T."

Evidence for a narrow S = +1 baryon resonance in photoproduction from the neutron by Nakano, T, Ahn, D S, Ahn, J K, Akimune, H, Asano, Y, Chang, W C, Daté, S, Ejiri, H, Fujimura, H, Fujiwara, M, Hicks, K, Hotta, T, Imai, K, Ishikawa, T, Iwata, T, Kawai, H, Kim, Z Y, Kino, K, Kohri, H, Kumagai, N, Makino, S, Matsumura, T, Matsuoka, N, Mibe, T, Miwa, K, Miyabe, M, Miyachi, Y, Morita, M, Muramatsu, N, Niiyama, M, Nomachi, M, Ohashi, Y, Ooba, T, Ohkuma, H, Oshuev, D S, Rangacharyulu, C, Sakaguchi, A, Sasaki, T, Shagin, P M, Shiino, Y, Shimizu, H, Sugaya, Y, Sumihama, M, Toyokawa, H, Wakai, A, Wang, C W, Wang, S C, Yonehara, K, Yorita, T, Yoshimura, M, Yosoi, M, Zegers, R G T

“…The gamman-->K(+)K(-)n reaction on 12C has been studied by measuring both K+ and K- at forward angles. A sharp baryon resonance peak was observed at…”
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Stability of linear discrete dynamics employing state saturation arithmetic by Ooba, T.

“…This note is concerned with the stability of discrete-time dynamical systems employing saturation arithmetic in the state-space. A matrix measure is introduced…”
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ϕ photo-production from Li, C, Al, and Cu nuclei at Eγ=1.5–2.4GeV by Ishikawa, T., Ahn, D.S., Ahn, J.K., Akimune, H., Chang, W.C., Daté, S., Fujimura, H., Fujiwara, M., Hicks, K., Hotta, T., Imai, K., Kawai, H., Kino, K., Kohri, H., Matsumura, T., Mibe, T., Miwa, K., Miyabe, M., Morita, M., Murakami, T., Muramatsu, N., Nakamura, H., Nakamura, M., Nakano, T., Niiyama, M., Nomachi, M., Ohashi, Y., Ooba, T., Oshuev, D.S., Rangacharyulu, C., Sakaguchi, A., Shiino, Y., Sakemi, Y., Shimizu, H., Sugaya, Y., Sumihama, M., Toi, Y., Toyokawa, H., Wang, C.W., Yorita, T., Yosoi, M., Zegers, R.G.T.

“…The photo-production of ϕ mesons from Li, C, Al, and Cu at forward angles has been measured at Eγ=1.5–2.4GeV. The number of events for incoherent ϕ…”
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Near-Threshold Diffractive ϕ -Meson Photoproduction from the Proton by Mibe, T., Chang, W. C., Nakano, T., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., Daté, S., Ejiri, H., Fujimura, H., Fujiwara, M., Hicks, K., Hotta, T., Imai, K., Ishikawa, T., Iwata, T., Kawai, H., Kim, Z. Y., Kino, K., Kohri, H., Kumagai, N., Makino, S., Matsuda, T., Matsumura, T., Matsuoka, N., Miwa, K., Miyabe, M., Miyachi, Y., Morita, M., Muramatsu, N., Niiyama, M., Nomachi, M., Ohashi, Y., Ooba, T., Ohkuma, H., Oshuev, D. S., Rangacharyulu, C., Sakaguchi, A., Sasaki, T., Shagin, P. M., Shiino, Y., Shimizu, H., Sugaya, Y., Sumihama, M., Titov, A. I., Toi, Y., Toyokawa, H., Wakai, A., Wang, C. W., Wang, S. C., Yonehara, K., Yorita, T., Yoshimura, M., Yosoi, M., Zegers, R. G. T.

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Differential cross section and photon-beam asymmetry for the gamma n --> K+ Sigma- reaction at E gamma = 1.5-2.4 GeV by Kohri, H, Ahn, D S, Ahn, J K, Akimune, H, Asano, Y, Chang, W C, Date', S, Ejiri, H, Fukui, S, Fujimura, H, Fujiwara, M, Hasegawa, S, Hicks, K, Hotta, T, Imai, K, Ishikawa, T, Iwata, T, Kawai, H, Kim, Z Y, Kino, K, Kumagai, N, Makino, S, Mart, T, Matsuda, T, Matsumura, T, Matsuoka, N, Mibe, T, Miyabe, M, Miyachi, Y, Morita, M, Muramatsu, N, Nakano, T, Niiyama, M, Nomachi, M, Ohashi, Y, Ohkuma, H, Ooba, T, Oshuev, D S, Rangacharyulu, C, Sakaguchi, A, Sasaki, T, Shagin, P M, Shiino, Y, Shimizu, A, Shimizu, H, Sugaya, Y, Sumihama, M, Toi, Y, Toyokawa, H, Wakai, A, Wang, C W, Wang, S C, Yonehara, K, Yorita, T, Yoshimura, M, Yosoi, M, Zegers, R G T

“…Differential cross sections and photon-beam asymmetries have been measured for the gamma n --> K+ Sigma- and gamma p --> K+Sigma0 reactions separately using…”
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On a common quadratic Lyapunov function for widely distant systems by Ooba, T., Funahashi, Y.

“…A sufficient condition concerning the construction of a common quadratic Lyapunov function for widely distant linear systems is presented. The condition is set…”
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Stability analysis of two-dimensional systems by means of finitely constructed bilateral quadratic forms by Ooba, T., Funahashi, Y.

“…Asymptotic stability of two-dimensional (2-D) systems in the state-space representation is studied. The concept of finitely constructed bilateral quadratic…”
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Multi-GeV laser-electron photon project at SPring-8 by Nakano, T., Ahn, J.K., Fujiwara, M., Kohri, H., Matsuoka, N., Mibe, T., Muramatsu, N., Nomachi, M., Shimizu, H., Yonehara, K., Yosoi, M., Yorita, T., Chang, W.C., Wang, C.W., Wang, S.C., Asano, Y., Hotta, T., Sugaya, Y., Zegers, R., Daté, S., Kumagai, N., Ohashi, Y., Ohkuma, H., Toyokawa, H., Iwata, T., Miyabe, M., Miyachi, Y., Wakai, A., Imai, K., Ishikawa, T., Sasaki, T., Kawai, H., Ooba, T., Shiino, Y., Wada, M., Bhang, H.C., Kim, Z.Y., Sakaguchi, A., Sumihama, M., Hicks, K., Akimune, H., Matsumura, T., Rangacharyulu, C., Makino, S.

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Two conditions concerning common quadratic Lyapunov functions for linear systems by Ooba, T., Funahashi, Y.

“…Concerning a pair of linear systems, some triangle conditions for the existence of a common quadratic Lyapunov function are presented in this paper. These…”
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Asymptotic Stability of Two-Dimensional Discrete Systems With Saturation Nonlinearities by Ooba, T.

“…This paper investigates the asymptotic stability of discrete dynamical systems in a class of two-dimensional (2-D) systems whose dynamical parts are described…”
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Epstein-Barr virus-associated gastric carcinoma and Epstein-Barr virus infection of the stomach by Fukayama, M, Hayashi, Y, Iwasaki, Y, Chong, J, Ooba, T, Takizawa, T, Koike, M, Mizutani, S, Miyaki, M, Hirai, K

“…Epstein-Barr virus (EBV) has been found to be associated with a type of gastric carcinoma (EBVaGC). However, many questions remain unanswered, such as…”
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Epstein-Barr virus in pyothorax-associated pleural lymphoma by Fukayama, M, Ibuka, T, Hayashi, Y, Ooba, T, Koike, M, Mizutani, S

“…Pleural B-cell lymphoma was found in five patients with a history of pyothorax that was the sequelae of tuberculosis 35 to 47 years previously. Epstein-Barr…”
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Stability of Discrete-Time Systems Joined With a Saturation Operator on the State-Space by Ooba, T

“…This note studies the stability of discrete-time dynamical systems acted upon by a saturation process in the state-space. A finite procedure is proposed to…”
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Silica aerogel Cherenkov counter for the KEK B-factory experiment by Sumiyoshi, T., Adachi, I., Enomoto, R., Iijima, T., Suda, R., Leonidopoulos, C., Marlow, D.R., Prebys, E., Kawabata, R., Kawai, H., Ooba, T., Nanao, M., Suzuki, K., Ogawa, S., Murakami, A., Khan, M.H.R.

“…Low-refractive-index silica aerogel is a convenient radiator for threshold-type Cherenkov counters, which are used for particle identification in high-energy…”
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Comments on "Robust stability of linear systems with delayed perturbations" [with reply] by Ooba, T., Funahashi, Y.

“…This paper comments on the result of the paper by Kim (ibid. vol.41 (1996)). The estimate of the stability robustness of linear time-delay systems in that…”
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Magnetization isotherms on ErNi2B2C, Er0.8Tb0.2Ni2B2C and Er0.8Lu0.2Ni2B2C single crystals by Takeya, H, Habuta, E, Kawano-Furukawa, H, Ooba, T, Hirata, K

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Comments regarding "Stability margin evaluation for uncertain linear systems" [and counterexample] by Ooba, T., Funahashi, Y., Yau-Tarng Juang, Chi-Lee Chang

“…The stability bound proposed in the above mentioned paper by Gong and Thompson (IEEE Trans. Automat. Contr. vol.39 (1994)) cannot be applied to all matrices…”
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On stability analysis of 2-D systems based on 2-D Lyapunov matrix inequalities by Ooba, T.

“…A sufficient condition for the stability of two-dimensional (2-D) systems described in the Fornasin-Marchesini model is presented in a succinct form. The…”
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Monte-Carlo simulation for an aerogel Cherenkov counter by Suda, R, Watanabe, M, Enomoto, R, Iijima, T, Adachi, I, Hattori, H, Kuniya, T, Ooba, T, Sumiyoshi, T, Yoshida, Y

“…We have developed a Monte-Carlo simulation code for an aerogel Cherenkov counter which is operated under a strong magnetic field such as 1.5T. This code…”
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Experiment at SPring-8 by Nakano, T., Ahn, J.K., Ejiri, H., Fujiwara, M., Hotta, T., Matsuoka, N., Matsumura, T., Mibe, T., Nomachi, M., Toki, H., Wang, C.W., Wang, S.C., Kawai, H., Ooba, T., Iwata, T., Miyachi, Y., Toyama, T., Wakai, A., Hicks, K., Akimune, H., Asano, Y., Sugaya, Y., Daté, S., Kumagai, N., Ohashi, Y., Toyokawa, H., Imai, K., Yosoi, M., Ichikawa, A., Kishimoto, T., Sakaguchi, A., Sumihama, M., Makino, S., Shimizu, H.

“…The GeV photon beam at SPring-8 is produced by backward-Compton scattering of laser photons from 8 GeV electrons. The maximum energy of the photon will be…”
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