Zobrazeno 1 - 10
of 430
pro vyhledávání: '"Toi, Y."'
Autor:
Ryu, S. Y., Ahn, J. K., Nakano, T., Ahn, D. S., Ajimura, S., Akimune, H., Asano, Y., Chang, W. C., Chen, J. Y., Date, S., Ejiri, H., Fujimura, H., Fujiwara, M., Fukui, S., Hasegawa, S., Hicks, K., Horie, K., Hotta, T., Hwang, S. H., Imai, K., Ishikawa, T., Iwata, T., Kato, Y., Kawai, H., Kino, K., Kohri, H., Kon, Y., Kumagai, N., Lin, P. J., Maeda, Y., Makino, S., Matsuda, T., Matsuoka, N., Mibe, T., Miyabe, M., Miyachi, M., Morino, Y., Muramatsu, N., Murayama, R., Nakatsugawa, Y., Nam, S. i., Niiyama, M., Nomachi, M., Ohashi, Y., Ohkuma, H., Ohta, T., Ooba, T., Oshuev, D. S., Parker, J. D., Rangacharyulu, C., Sakaguchi, A., Sawada, T., Shagin, P. M., Shiino, Y., Shimizu, H., Strokovsky, E. A., Sugaya, Y., Sumihama, M., Tokiyasu, A. O., Toi, Y., Toyokawa, H., Tsunemi, T., Uchida, M., Ungaro, M., Wakai, A., Wang, C. W., Wang, S. C., Yonehara, K., Yorita, T., Yoshimura, M., Yosoi, M., Zegers, R. G. T.
Publikováno v:
Phys. Rev. Lett. 116, 232001 (2016)
The $\phi$-$\Lambda(1520)$ interference effect in the $\gamma p\to K^+K^-p$ reaction has been measured for the first time in the energy range from 1.673 to 2.173 GeV. The relative phases between $\phi$ and $\Lambda(1520)$ production amplitudes were o
Externí odkaz:
http://arxiv.org/abs/1603.00236
Autor:
Tokiyasu, A. O., Niiyama, M., Parker, J. D., Ahn, D. S., Ahn, J. K., Ajimura, S., Akimune, H., Asano, Y., Chang, W. C., Chen, J. Y., Daté, S., Ejiri, H., Fujimura, H., Fujiwara, M., Fukui, S., Hasegawa, S., Hicks, K., Horie, K., Hotta, T., Hwang, S. H., Imai, K., Ishikawa, T., Iwata, T., Kato, Y., Kawai, H., Kino, K., Kohri, H., Kon, Y., Kumagai, N., Lin, D. L., Maeda, Y., Makino, S., Matsuda, T., Matsumura, T., Matsuoka, N., Mibe, T., Miyabe, M., Miyachi, M., Muramatsu, N., Murayama, R., Nakano, T., Nakatsugawa, Y., Nomachi, M., Ohashi, Y., Ohkuma, H., Ohta, T., Ooba, T., Oshuev, D. S., Rangacharyulu, C., Ryu, S. Y., Sakaguchi, A., Sawada, T., Shagin, P. M., Shiino, Y., Shimizu, H., Strokovsky, E. A., Sugaya, Y., Sumihama, M., Tang, J. L., Toi, Y., Toyokawa, H., Tsunemi, T., Uchida, M., Ungaro, M., Wakai, A., Wang, C. W., Wang, S. C., Yonehara, K., Yorita, T., Yoshimura, M., Yosoi, M., Zegers, R. G. T.
A search for $K^-pp$ bound state (the lightest kaonic nucleus) has been performed using the $\gamma d \rightarrow K^+ \pi^- \rm{X}$ reaction at E$_\gamma$=1.5-2.4 GeV at LEPS/SPring-8. The differential cross section of $K^+ \pi^-$ photo-production of
Externí odkaz:
http://arxiv.org/abs/1306.5320
Autor:
Chang, W. C., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., Daté, S., Ejiri, H., Fujimura, H., Fujiwara, M., Fukui, S., Hasegawa, H., Hicks, K., Horie, K., Hotta, T., Imai, K., Ishikawa, T., Iwata, T., Kato, Y., Kawai, H., Kino, K., Kohri, H., Kumagai, N., Lin, P. J., Makino, S., Matsuda, T., Matsumura, T., Matsuoka, N., Mibe, T., Miyabe, M., Miyachi, Y., Muramatsu, N., Nakano, T., Niiyama, M., Nomachi, M., Ohashi, Y., Ohkuma, H., Ooba, T., Oshuev, D. S., Rangacharyulu, C., Sakaguchi, A., Shagin, P. M., Shiino, Y., Shimizu, H., Sugaya, Y., Sumihama, M., Toi, Y., Toyokawa, H., Uchida, M., Wakai, A., Wang, C. W., Wang, S. C., Yonehara, K., Yorita, T., Yoshimura, M., Yosoi, M., Zegers, R. G. T.
Publikováno v:
Phys.Rev.C82:015205,2010
The LEPS/SPring-8 experiment made a comprehensive measurement of the spin-density matrix elements for $\gamma p \to \phi p$, $\gamma d \to \phi p n$ and $\gamma d \to \phi d$ at forward production angles. A linearly polarized photon beam at $E_{\gamm
Externí odkaz:
http://arxiv.org/abs/1006.4197
Autor:
Sumihama, M., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., Chang, W. C., Date, S., Ejiri, H., Fujimura, H., Fujiwara, M., Fukui, S., Hasegawa, S., Hicks, K., Hotta, T., Imai, K., Ishikawa, 0 T., Iwata, T., Kato, Y., Kawai, H., Kino, K., Kohri, H., Kumagai, N., Matsuda, T., Matsumura, T., Mibe, T., Miyabe, M., Muramatsu, N., Nakano, T., Niiyama, M., Nomachi, M., Ohashi, Y., Ohkuma, H., Ooba, T., Oshuev, D. S., Rangacharyulu, C., Sakaguchi, 0 A., Shagin, P. M., Shiino, Y., Shimizu, A., Shimizu, H., Sugaya, Y., Toi, Y., Toyokawa, H., Wakai, A., Wang, C. W., Wang, S. C., Yonehara, K., Yorita, T., Yoshimura, M., Yosoi, M., Zegers, R. G. T.
Publikováno v:
Phys.Rev.C80:052201,2009
Differential cross sections for eta photoproduction off protons have been measured at E_gamma = 1.6 - 2.4 GeV in the backward direction. A bump structure has been observed above 2.0 GeV in the total energy. No such bump is observed in cross sections
Externí odkaz:
http://arxiv.org/abs/0910.0900
Autor:
Chang, W. C., Miyabe, M., Nakano, T., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., Daté, S., Ejiri, H., Fujimura, H., Fujiwara, M., Fukui, S., Hasegawa, H., Hicks, K., Horie, K., Hotta, T., Imai, K., Ishikawa, T., Iwata, T., Kato, Y., Kawai, H., Kino, K., Kohri, H., Kumagai, N., Makino, S., Matsuda, T., Matsumura, T., Matsuoka, N., Mibe, T., Miyachi, Y., Muramatsu, N., Niiyama, M., Nomachi, M., Ohashi, Y., Ohkuma, H., Ooba, T., Oshuev, D. S., Rangacharyulu, C., Sakaguchi, A., Shagin, P. M., Shiino, Y., Shimizu, H., Sugaya, Y., Sumihama, M., Toi, Y., Toyokawa, H., Uchida, M., Wakai, A., Wang, C. W., Wang, S. C., Yonehara, K., Yorita, T., Yoshimura, M., Yosoi, M., Zegers, R. G. T.
Publikováno v:
Phys.Lett.B684:6-10,2010
We report measurements of differential cross sections and decay asymmetries of incoherent $\phi$-meson photoproduction from the deuteron at forward angles using linearly polarized photons at \Eg=1.5-2.4 GeV. The nuclear transparency ratio for the deu
Externí odkaz:
http://arxiv.org/abs/0907.1705
Autor:
Kohri, H., Ahn, D. S., Ahn, J. K., Akimune, H., Chang, W. C., Date', S., Ejiri, H., Fukui, S., Fujimura, H., Fujiwara, M., Hicks, K., Hosaka, A., Hotta, T., Imai, K., Ishikawa, T., Iwata, T., Kino, K., Makino, S., Matsuda, T., Mibe, T. Matsumura T., Miyabe, M., Miyachi, Y., Muramatsu, N., Nakano, T., Nam, S. i., Niiyama, M., Nomachi, M., Ohashi, Y., Rangacharyulu, C., Sakaguchi, A., Shimizu, H., Sugaya, Y., Sumihama, M., Titov, A. I., Toi, Y., Yonehara, K., Yorita, T., Yosoi, M., Zegers, R. G. T.
Publikováno v:
Phys.Rev.Lett.104:172001,2010
Differential cross sections and photon-beam asymmetries for the gamma p -> K+ Lambda(1520) reaction have been measured with linearly polarized photon beams at energies from the threshold to 2.4 GeV at 0.6
Externí odkaz:
http://arxiv.org/abs/0906.0197
Autor:
LEPS Collaboration, Muramatsu, N., Chen, J. Y., Chang, W. C., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., Daté, S., Ejiri, H., Fujimura, H., Fujiwara, M., Fukui, S., Hasegawa, S., Hicks, K., Horie, K., Hotta, T., Imai, K., Ishikawa, T., Iwata, T., Kato, Y., Kawai, H., Kino, K., Kohri, H., Kumagai, N., Makino, S., Matsuda, T., Matsumura, T., Matsuoka, N., Mibe, T., Miyabe, M., Miyachi, M., Nakano, T., Niiyama, M., Nomachi, M., Ohashi, Y., Ohkuma, H., Ooba, T., Oshuev, D. S., Rangacharyulu, C., Sakaguchi, A., Shagin, P. M., Shiino, Y., 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.
Publikováno v:
Phys.Rev.Lett.103:012001,2009
Photoproduction of $\Lambda$(1520) with liquid hydrogen and deuterium targets was examined at photon energies below 2.4 GeV in the SPring-8 LEPS experiment. For the first time, the differential cross sections were measured at low energies and with a
Externí odkaz:
http://arxiv.org/abs/0904.2034
Autor:
Nakano, T., Muramatsu, N., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., Chang, W. C., Daté, S., Ejiri, H., Fujimura, H., Fujiwara, M., Fukui, S., Hasegawa, H., Hicks, K., Horie, K., Hotta, T., Imai, K., Ishikawa, T., Iwata, T., Kato, Y., Kawai, H., Kim, Z. Y., Kino, K., Kohri, H., Kumagai, N., Makino, S., Matsuda, T., Matsuoka, N., Matsumura, T., Mibe, T., Miyabe, M., Miyachi, Y., Niiyama, M., Nomachi, M., Ohashi, Y., Ohkuma, H., Ooba, T., Oshuev, D. S., Rangacharyulu, C., Sakaguchi, A., 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.
Publikováno v:
Phys.Rev.C79:025210,2009
The \gamma d \to K^+K^-pn reaction has been studied to search for the evidence of the \Theta^+ by detecting K^+K^- pairs at forward angles. The Fermi-motion corrected nK^+ invariant mass distribution shows a narrow peak at 1.524 +- 0.002 + 0.003 GeV/
Externí odkaz:
http://arxiv.org/abs/0812.1035
Autor:
Chang, W. C., Horie, K., Shimizu, S., Miyabe, M., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., Date, S., Ejiri, H., Fukui, S., Fujimura, H., Fujiwara, M., Hasegawa, S., Hicks, K., Hotta, T., Imai, K., Ishikawa, T., Iwata, T., Kato, Y., Kawai, H., Kim, Z. Y., Kino, K., Kohri, H., Kumagai, N., Lin, P. J., Makino, S., Matsuda, T., Matsumura, T., Matsuoka, N., Mibe, T., 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.
Publikováno v:
Phys.Lett.B658:209-215,2008
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
Externí odkaz:
http://arxiv.org/abs/nucl-ex/0703034
Autor:
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., Kino, K., Makino, S., Mart, T., Matsuda, T., Matsumura, T., Mibe, T., Miyabe, M., Miyachi, Y., Muramatsu, N., Nakano, T., Niiyama, M., Nomachi, M., Ohashi, Y., Ooba, T., Oshuev, D. S., Rangacharyulu, C., Sakaguchi, A., Shagin, P. M., Shimizu, A., Shimizu, H., Sugaya, Y., Sumihama, M., Toi, Y., Toyokawa, H., Yonehara, K., Yorita, T., Yoshimura, M., Yosoi, M., Zegers, R. G. T.
Publikováno v:
Phys.Rev.Lett. 97 (2006) 082003
Differential cross sections and photon beam asymmetries have been measured for the gamma n -> K+ Sigma- and gamma p -> K+ Sigma0 reactions separately using liquid deuterium and hydrogen targets with incident linearly polarized photon beams of Egamma=
Externí odkaz:
http://arxiv.org/abs/hep-ex/0602015