Zobrazeno 1 - 10
of 8 361
pro vyhledávání: '"Nagata, S"'
Autor:
Akagi, T., Araki, S., Bonis, J., Chaikovska, I., Chiche, R., Cizeron, R., Cohen, M., Cormier, E., Cornebise, P., Delerue, N., Flaminio, R., Funahashi, S., Jehanno, D., Honda, Y., Labaye, F., Lacroix, M., Marie, R., Michel, C., Miyoshi, S., Nagata, S., Omori, T., Peinaud, Y., Pinard, L., Shimizu, H., Soskov, V., Takahashi, T., Tanaka, R., Terunuma, T., Urakawa, J., Variola, A., Zomer, F.
As part of the positron source R&D for future $e^+-e^-$ colliders and Compton based compact light sources, a high finesse non-planar four-mirror Fabry-Perot cavity has recently been installed at the ATF (KEK, Tsukuba, Japan). The first measurements o
Externí odkaz:
http://arxiv.org/abs/1111.5834
Autor:
Delerue, Nicolas, Bonis, J., Chaikovska, Iryna, Chiche, R., Cizeron, R., Cohen, M., Colin, J., Cornebise, P., Jehanno, D., Labaye, F., Lacroix, M., Marie, R., Peinaud, Y., Soskov, V., Variola, A., Zomer, F., Cormier, E., Flaminio, R., Pinard, L., Araki, S., Funahashi, S., Honda, Y., Omori, T., Shimizu, H., Terunuma, T., Urakawa, J., Akagi, T., Miyoshi, S., Nagata, S., Takahashi, T.
The next generation of e+/e- colliders will require a very intense flux of gamma rays to allow high current polarized positrons to be produced. This can be achieved by converting polarized high energy photons in polarized pairs into a target. In that
Externí odkaz:
http://arxiv.org/abs/1110.3243
We have studied disorder-induced in-gap states and effect of light illumination in the insulating phase of spinel-type CuIr$_2$S$_4$ using ultra-violet photoemission spectroscopy (UPS). The Ir$^{3+}$/Ir$^{4+}$ charge-ordered gap appears below the met
Externí odkaz:
http://arxiv.org/abs/0808.1810
Autor:
Tsuneta, S., Ichimoto, K., Katsukawa, Y., Lites, B. W., Matsuzaki, K., Nagata, S., Suarez, D. Orozco, Shimizu, T., Shimojo, M., Shine, R. A., Suematsu, Y., Suzuki, T. K., Tarbell, T. D., Title, A. M.
We present the magnetic landscape of the polar region of the Sun that is unprecedented in terms of high spatial resolution, large field of view, and polarimetric precision. These observations were carried out with the Solar Optical Telescope aboard \
Externí odkaz:
http://arxiv.org/abs/0807.4631
Autor:
Kubo, M., Lites, B. W., Ichimoto, K., Shimizu, T., Suematsu, Y., Katsukawa, Y., Tarbell, T. D., Shine, R. A., Title, A. M., Nagata, S., Tsuneta, S.
Continuous observations of sunspot penumbrae with the Solar Optical Telescope aboard \textit{Hinode} clearly show that the outer boundary of the penumbra fluctuates around its averaged position. The penumbral outer boundary moves inward when granules
Externí odkaz:
http://arxiv.org/abs/0806.0415
Autor:
Shimizu, T., Lites, B. W., Katsukawa, Y., Ichimoto, K., Suematsu, Y., Tsuneta, S., Nagata, S., Kubo, M., Shine, R. A., Tarbell, T. D.
We report on new spectro-polarimetric measurements with simultaneous filter imaging observation, revealing the frequent appearance of polarization signals indicating high-speed, probably supersonic, downflows that are associated with at least three d
Externí odkaz:
http://arxiv.org/abs/0804.1167
Autor:
Ishikawa, R., Tsuneta, S., Ichimoto, K., Isobe, H., Katsukawa, Y., Lites, B. W., Nagata, S., Shimizu, T., Shine, R. A., Suematsu, Y., Tarbell, T. D., Title, A. M.
We report the discovery of isolated, small-scale emerging magnetic fields in a plage region with the Solar Optical Telescope aboard Hinode. Spectro-polarimetric observations were carried out with a cadence of 34 seconds for the plage region located n
Externí odkaz:
http://arxiv.org/abs/0802.1769
Autor:
Okamoto, T. J., Tsuneta, S., Berger, T. E., Ichimoto, K., Katsukawa, Y., Lites, B. W., Nagata, S., Shibata, K., Shimizu, T., Shine, R. A., Suematsu, Y., Tarbell, T. D., Title, A. M.
Publikováno v:
Science 318:1577-1580,2007
Solar prominences are cool 10$^4$ Kelvin plasma clouds supported in the surrounding 10$^6$ Kelvin coronal plasma by as-yet undetermined mechanisms. Observations from \emph{Hinode} show fine-scale threadlike structures oscillating in the plane of the
Externí odkaz:
http://arxiv.org/abs/0801.1958
Autor:
Isobe, H., Kubo, M., Minoshima, T., Ichimoto, K., Katsukawa, Y., Tarbell, T. D., Tsuneta, S., Berger, T. E., Lites, B. W., Nagata, S., Shimizu, T., Shine, R. A., Suematsu, Y., Title, A.
The Solar Optical Telescope (SOT) on board Hinode satellite observed an X3.4 class flare on 2006 December 13. Typical two-ribbon structure was observed, not only in the chromospheric CaII H line but also in G-band and FeI 6302A line. The high-resolut
Externí odkaz:
http://arxiv.org/abs/0711.3946
Autor:
De Pontieu, Bart, McIntosh, Scott W., Hansteen, Viggo H., Carlsson, Mats, Schrijver, C. J., Tarbell, T. D., Title, A. M., Shine, R. A., Suematsu, Y., Tsuneta, S., Katsukawa, Y., Ichimoto, K., Shimizu, T., Nagata, S.
We use high-resolution observations of the Sun in Ca II H 3968 A from the Solar Optical Telescope on Hinode to show that there are at least two types of spicules that dominate the structure of the magnetic solar chromosphere. Both types are tied to t
Externí odkaz:
http://arxiv.org/abs/0710.2934