Zobrazeno 1 - 10
of 33
pro vyhledávání: '"D. S. Oshuev"'
Autor:
Chary Rangacharyulu, S. Hasegawa, S. Ajimura, Masaharu Nomachi, K. Yonehara, R. Murayama, H. Ejiri, H. Kawai, C. W. Wang, Jaw-Luen Tang, M. Ungaro, T. Sawada, Hidetoshi Akimune, Shuji Fukui, M. Yosoi, P. M. Shagin, H. Kohri, D. S. Ahn, N. Matsuoka, Hiroyuki Toyokawa, Yuji Ohashi, Y. Asano, T. Ooba, Atsushi Sakaguchi, Yorihito Sugaya, Tetsuhiko Yorita, Hajime Shimizu, Yoshikazu Maeda, A. O. Tokiyasu, T. Ishikawa, R. G. T. Zegers, Y. Toi, Norihito Muramatsu, K. Horie, S. Daté, Y. Shiino, N. Kumagai, M. Miyachi, S. Y. Ryu, A. Wakai, S. C. Wang, Joseph D. Parker, E. A. Strokovsky, K. Kino, S. Makino, Tsutomu Mibe, T. Matsuda, M. Uchida, D. L. Lin, Y. Kon, Y. Nakatsugawa, Manabu Miyabe, Tomoaki Hotta, J. K. Ahn, M. Niiyama, T. Nakano, J. Y. Chen, T. Matsumura, W. C. Chang, T. Iwata, Takashi Ohta, M. Fujiwara, T. Tsunemi, Kenichi Imai, Y. Kato, Masato Yoshimura, M. Sumihama, S. H. Hwang, K. Hicks, Haruo Ohkuma, H. Fujimura, D. S. Oshuev
Publikováno v:
Physics Letters B. 728:616-621
A search for the K − p p bound state (the lightest kaonic nucleus) has been performed using the γ d → K + π − X reaction at E γ = 1.5 – 2.4 GeV at LEPS/SPring-8. The differential cross section of the K + π − photo-production off deuteri
Autor:
J. Y. Chen, Y. Nakatsugawa, S. i. Nam, R. G. T. Zegers, Jung Keun Ahn, P. M. Shagin, M. Fujiwara, Takashi Ohta, Y. Toi, Tetsuhiko Yorita, H. Kohri, Yoshikazu Maeda, E. A. Strokovsky, K. Kino, S. Hasegawa, M. Miyachi, C. W. Wang, T. Matsuda, S. Daté, Yuhei Morino, S. Ajimura, T. Ishikawa, M. Sumihama, T. Ooba, S. Fukui, M. Uchida, S. C. Wang, J. Parker, Tomoaki Hotta, Takahiro Iwata, S. Makino, R. Murayama, A. O. Tokiyasu, K. Hicks, Haruo Ohkuma, N. Kumagai, A. Wakai, Y. Shiino, W. C. Chang, Masaharu Nomachi, H. Ejiri, T. Nakano, Masato Yoshimura, Hidetoshi Akimune, S. Y. Ryu, K. Horie, Hiroyuki Toyokawa, P. J. Lin, Yuji Ohashi, D. S. Ahn, T. Sawada, Chary Rangacharyulu, H. Fujimura, K. Yonehara, H. Kawai, Y. Asano, Hajime Shimizu, D. S. Oshuev, T. Tsunemi, Kenichi Imai, Y. Kato, S. H. Hwang, N. Matsuoka, Atsushi Sakaguchi, Yorihito Sugaya, Norihito Muramatsu, M. Ungaro, M. Yosoi, Y. Kon, Tsutomu Mibe, Manabu Miyabe, M. Niiyama
Publikováno v:
Physical Review Letters. 116
The $\ensuremath{\phi}\text{\ensuremath{-}}\mathrm{\ensuremath{\Lambda}}(1520)$ interference effect in the $\ensuremath{\gamma}p\ensuremath{\rightarrow}{K}^{+}{K}^{\ensuremath{-}}p$ reaction has been measured for the first time in the energy range fr
Autor:
S Y, Ryu, J K, Ahn, T, Nakano, D S, Ahn, S, Ajimura, H, Akimune, Y, Asano, W C, Chang, J Y, Chen, S, Daté, H, Ejiri, H, Fujimura, M, Fujiwara, S, Fukui, S, Hasegawa, K, Hicks, K, Horie, T, Hotta, S H, Hwang, K, Imai, T, Ishikawa, T, Iwata, Y, Kato, H, Kawai, K, Kino, H, Kohri, Y, Kon, N, Kumagai, P J, Lin, Y, Maeda, S, Makino, T, Matsuda, N, Matsuoka, T, Mibe, M, Miyabe, M, Miyachi, Y, Morino, N, Muramatsu, R, Murayama, Y, Nakatsugawa, S I, Nam, M, Niiyama, M, Nomachi, Y, Ohashi, H, Ohkuma, T, Ohta, T, Ooba, D S, Oshuev, J D, Parker, C, Rangacharyulu, A, Sakaguchi, T, Sawada, P M, Shagin, Y, Shiino, H, Shimizu, E A, Strokovsky, Y, Sugaya, M, Sumihama, A O, Tokiyasu, Y, Toi, H, Toyokawa, T, Tsunemi, M, Uchida, M, Ungaro, A, Wakai, C W, Wang, S C, Wang, K, Yonehara, T, Yorita, M, Yoshimura, M, Yosoi, R G T, Zegers
Publikováno v:
Physical review letters. 116(23)
The ϕ-Λ(1520) interference effect in the γp→K^{+}K^{-}p reaction has been measured for the first time in the energy range from 1.673 to 2.173 GeV. The relative phases between ϕ and Λ(1520) production amplitudes were obtained in the kinematic r
Autor:
Yorihito Sugaya, Norihito Muramatsu, T. Matsumura, Masaharu Nomachi, D. S. Oshuev, T. Matsuda, Masato Yoshimura, S. C. Wang, N. Matsuoka, Shuji Fukui, Atsushi Sakaguchi, M. Yosoi, M. Sumihama, Y. Kato, K. Imai, Y. Asano, R. G. T. Zegers, K. Kino, S. Daté, Y. Toi, S. Hasegawa, S. Makino, M. Niiyama, N. Kumagai, K. Hicks, Haruo Ohkuma, M. Uchida, Hidetoshi Akimune, H. Ejiri, P. M. Shagin, H. Kohri, J. K. Ahn, T. Iwata, W. C. Chang, Hajime Shimizu, Tomoaki Hotta, Tsutomu Mibe, D. S. Ahn, T. Nakano, Hiroyuki Toyokawa, Yuji Ohashi, Tetsuhiko Yorita, T. Ishikawa, K. Horie, A. Wakai, M. Miyabe, C. W. Wang, M. Miyachi, K. Yonehara, H. Kawai, T. Ooba, Y. Shiino, H. Fujimura, Chary Rangacharyulu, M. Fujiwara
Publikováno v:
Physics Letters B. 684:6-10
We report measurements of differential cross sections and decay asymmetries of incoherent ϕ-meson photoproduction from the deuteron at forward angles using linearly polarized photons at E γ = 1.5 – 2.4 GeV . The nuclear transparency ratio for the
Autor:
T. Matsuda, Akira Shimizu, N. Matsuoka, Hiroyuki Toyokawa, Yuji Ohashi, T. Iwata, Takuya Sasaki, Masato Yoshimura, Z. Y. Kim, S. Hasegawa, D. S. Ahn, Tetsuhiko Yorita, J. K. Ahn, T. Ooba, W. C. Chang, Mizuki Morita, T. Ishikawa, Hajime Shimizu, Hidetoshi Akimune, K. Kino, Y. Shiino, P. J. Lin, M. Miyabe, Shuji Fukui, H. Fujimura, R. G. T. Zegers, Y. Toi, K. Horie, Y. Kato, P. M. Shagin, H. Kohri, M. Yosoi, K. Yonehara, M. Fujiwara, H. Kawai, A. Wakai, Tomoaki Hotta, Yorihito Sugaya, Tsutomu Mibe, T. Matsumura, Y. Miyachi, Y. Asano, Norihito Muramatsu, S. Shimizu, T. Nakano, Atsushi Sakaguchi, H. Ejiri, C. W. Wang, D. S. Oshuev, N. Kumagai, K. Hicks, Masaharu Nomachi, Haruo Ohkuma, K. Imai, Chary Rangacharyulu, S. C. Wang, S. Daté, S. Makino, M. Sumihama, M. Niiyama
Publikováno v:
Physics Letters B. 658(5):209-215
Differential cross sections and decay asymmetries for coherent $\phi$-meson photoproduction from deuterons were measured for the first time at forward angles using linearly polarized photons at $E_{\gamma}$= 1.5-2.4 GeV. This reaction offers a unique
Autor:
Yorihito Sugaya, M. Fujiwara, Tsutomu Mibe, R. G. T. Zegers, Y. Asano, Norihito Muramatsu, Hidetoshi Akimune, N. Matsuoka, S. Daté, Z. Y. Kim, C. Wang, Chary Rangacharyulu, J. K. Ahn, Hiroyuki Toyokawa, S. Makino, M. Niiyama, K. Imai, H. Fujimura, M. Yosoi, K. Yonehara, W. C. Chang, Tetsuhiko Yorita, T. Ooba, H. Kawai, T. Ishikawa, M. Miyabe, H. Ejiri, Mizuki Morita, Y. Ohashi, S. C. Wang, M. Sumihama, Hajime Shimizu, Takashi Nakano, T. Matsumura, Tomoaki Hotta, Takahiro Iwata, Y. Shiino, Toru Sato, Masaharu Nomachi, K. Hicks, Haruo Ohkuma, Y. Miyachi, Atsushi Sakaguchi, P. M. Shagin, A. Wakai, H. Kohri, N. Kumagai, D. S. Oshuev, K. Kino
Publikováno v:
Physics Letters B. 657:32-37
Differential cross sections and photon beam asymmetries for π 0 photoproduction have been measured at E γ = 1.5 – 2.4 GeV and at the π 0 scattering angles, − 1 cos Θ c . m . − 0.6 . The energy-dependence of differential cross sections for u
Autor:
R. G. T. Zegers, Aya Sakaguchi, Tetsuhiko Yorita, Tsutomu Mibe, K. Hicks, K. Yonehara, Z. Y. Kim, Y. Ohashi, M. Fujiwara, S. Daté, M. Yosoi, H. Kawai, W. C. Chang, Chary Rangacharyulu, S. Makino, M. Niiyama, D. S. Ahn, Yorihito Sugaya, T. Nakano, T. Iwata, K. Miwa, M. Sumiham, Norihito Muramatsu, Mizuki Morita, Tomoaki Hotta, K. Imai, T. Ooba, D. S. Oshuev, H. Fujimura, J. K. Ahn, H. Ookuma, Y. Asano, C. W. Wang, Y. Shiino, Hidetoshi Akimune, N. Matsuoka, T. Sasaki, Manabu Miyabe, Y. Miyachi, S. C. Wang, H. Ejiri, Koichi Kino, T. Ishikawa, T. Matsumura, Masaharu Nomachi, N. Kumagai, P. M. Shagin, H. Kohri, A. Wakai, Hiroyuki Toyokawa
Publikováno v:
Nuclear Physics A. 754:303-309
Photon beam asymmetries for the γ → p → K + Λ and γ → p → K + Σ 0 reactions have been measured for the photon energy range from 1.5 GeV to 2.4 GeV and for the angular range of 0 ° Θ cm K + 60 ° at the SPring-8/LEPS facility. The observ
Autor:
Masanobu Nakamura, Tetsuhiko Yorita, M. Niiyama, Atsushi Sakaguchi, J. K. Ahn, T. Nakano, M. Yosoi, Hidetoshi Akimune, Tsutomu Mibe, T. Matsumura, W. C. Chang, Hironobu Nakamura, K. Miwa, Tomoaki Hotta, H. Fujimura, Y. Ohashi, S. Daté, Yorihito Sugaya, Takatsugu Ishikawa, Hiroyuki Toyokawa, T. Ooba, Yasuhiro Sakemi, R. G. T. Zegers, Chary Rangacharyulu, C. Wang, Hajime Shimizu, Y. Shiino, D. S. Ahn, M. Sumihama, Y. Toi, D. S. Oshuev, K. Kino, H. Kawai, Masaharu Nomachi, Mizuki Morita, K. Imai, M. Fujiwara, M. Miyabe, K. Hicks, N. Muramatsu, T. Murakami, H. Kohri
Publikováno v:
Physics Letters B. 608:215-222
The photo-production of ϕ mesons from Li, C, Al, and Cu at forward angles has been measured at E γ = 1.5 – 2.4 GeV . The number of events for incoherent ϕ photo-production is found to have a target mass number dependence of A 0.72 ± 0.07 in the
Autor:
N. Muramatsu, T. Nakano, Takatsugu Ishikawa, Jirohta Kasagi, J. K. Ahn, Hironobu Nakamura, D. S. Oshuev, Tetsuhiko Yorita, M. Niiyama, Tsutomu Mibe, Yorihito Sugaya, Hiroshi Yoshida, T. Matsumura, T. Ooba, Tomoaki Hotta, T. Nakabayashi, H. Kohri, Hiromichi Yamazaki, P. M. Shagin, Chary Rangacharyulu, Y. Shiino, M. Fujiwara, Toyohiko Kinoshita, M. Miyabe, Yuji Ohashi, R. G. T. Zegers, Hajime Shimizu, H. Kawai, M. Sumihama, K. Hicks, Yasuhisa Tajima, S. Daté
Publikováno v:
Nuclear Physics A. 721:C723-C726
The γ A → π 0 π 0 X reactions is one of the tools to effectively investigate partial restoration of chiral symmetry. An experiment was performed at the LEPS/SPring-8 facility using various nuclear targets. In this experiment, a 2π calorimeter c
Autor:
C.W. Wang, M. Yosoi, M. Miyabe, K. Miwa, Takashi Nakano, W. C. Chang, T.H. Chang, H. Fujimura, Yorihito Sugaya, Masanobu Nakamura, M. Niiyama, Takatsugu Ishikawa, H. Kohri, J.K. Ahn, D. S. Oshuev, H. C. Bhang, K. Imai, D. S. Ahn
Publikováno v:
Nuclear Physics A. 721:C1095-C1098
We have constructed a Time Projection Chamber (TPC) as the 4π detector for hadron photoproduction experiments at SPring-8. A feature of this TPC is to detect low momentum hyperons as close as 16 mm from the target center. We have studied basic perfo