Zobrazeno 1 - 10
of 13 718
pro vyhledávání: '"Emittance"'
Autor:
Hitoshi Tanaka, Takahiro Watanabe, Toshinori Abe, Noriyoshi Azumi, Tsuyoshi Aoki, Hideki Dewa, Takahiro Fujita, Kenji Fukami, Toru Fukui, Toru Hara, Toshihiko Hiraiwa, Kei Imamura, Takahiro Inagaki, Eito Iwai, Akihiro Kagamihata, Morihiro Kawase, Yuichiro Kida, Chikara Kondo, Hirokazu Maesaka, Tamotsu Magome, Mitsuhiro Masaki, Takemasa Masuda, Shinichi Matsubara, Sakuo Matsui, Takashi Ohshima, Masaya Oishi, Takamitsu Seike, Masazumi Shoji, Kouichi Soutome, Takashi Sugimoto, Shinji Suzuki, Minori Tajima, Shiro Takano, Kazuhiro Tamura, Takashi Tanaka, Tsutomu Taniuchi, Yukiko Taniuchi, Kazuaki Togawa, Takato Tomai, Yosuke Ueda, Hiroshi Yamaguchi, Makina Yabashi, Tetsuya Ishikawa
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 6, Pp 1420-1437 (2024)
SPring-8-II is a major upgrade project of SPring-8 that was inaugurated in October 1997 as a third-generation synchrotron radiation light source. This upgrade project aims to achieve three goals simultaneously: achievement of excellent light source p
Externí odkaz:
https://doaj.org/article/391f183ba1c945649a4d704b6870d8e3
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 12, Pp 5291-5296 (2024)
A two-dimensional distribution of a proton beam in phase space was reconstructed using beam profile data and a tomography technique in this study. These beam profile data were acquired by a wire scanner under various beam optics conditions, employing
Externí odkaz:
https://doaj.org/article/77dc80944a9a4fa5b090190d1d7e7361
Publikováno v:
Yuanzineng kexue jishu, Vol 58, Iss 10, Pp 2220-2227 (2024)
Cathodes serve as sources of electron beams, and their performance plays a great part of beam quality in electron accelerators. The introduction of surface plasmon polaritons (SPPs) into different photocathodes has been investigated to increase their
Externí odkaz:
https://doaj.org/article/b9fbdeb8218a4c519ff761b924d8cf12
Autor:
Xuewu Li, Hongyu Liu, Weiling Guo, Longlong Zhou, Qingxin Cui, Xiaofeng Deng, Wenxiang Shu, Tian Shi, Zhiguo Xing, Haidou Wang
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 3582-3593 (2024)
The main challenge faced by spacecraft is the large temperature difference in its operating environment. Thermal control coatings prepared on spacecraft and instrument surfaces are currently the most efficient ways for heat dissipation and control. I
Externí odkaz:
https://doaj.org/article/5f6ef4721cad47fe896b6fe167bc20b5
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 9, Pp 3933-3941 (2024)
The paper concerns a room-temperature cross-bar H-mode (CH) drift tube linac (DTL) with KONUS (Kombinierte Null Grad Struktur) [1,2] beam dynamics. To make the acceleration in DTL cell more efficient, we studied the correlation between transit time f
Externí odkaz:
https://doaj.org/article/ab57f484570745e58c7d6a41d9e039fe
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 4, Pp 723-732 (2024)
In a photoinjector electron source, the initial transverse electron bunch properties are determined by the spatial properties of the laser beam on the photocathode. Spatial shaping of the laser is commonly achieved by relay imaging an illuminated cir
Externí odkaz:
https://doaj.org/article/04453e5343de4879a1448ae99a4fb937
Publikováno v:
Materials & Design, Vol 245, Iss , Pp 113256- (2024)
Owing to of its freedom from energy inputs, radiative cooling is emerging as a frontier in renewable energy research. Recent advances in nanophotonic structures have enabled scalable passive daytime radiative cooling (PDRC), such as porous polymer fi
Externí odkaz:
https://doaj.org/article/ffaa0994e40c4f5f9b54700bca0ba5bb
Publikováno v:
مجله علوم و فنون هستهای, Vol 45, Iss 1, Pp 176-184 (2024)
The development of electron beam applications motivates electron gun research. In addition to the beam energy and current, its quality also plays a significant role in the spread of electron guns. Herein, we present the design of an electron gun for
Externí odkaz:
https://doaj.org/article/74043c0ac3c345ffb3efe88969a65786
Publikováno v:
Particles, Vol 7, Iss 1, Pp 264-274 (2024)
In this article, we highlight that the interaction potential confining Dirac particles in a box must be invariant under the charge conjugation to avoid the Klein paradox, in which an infinite number of negative-energy particles are excited. Furthermo
Externí odkaz:
https://doaj.org/article/85a0ed17fdc94c9ebe686df3471733f8
Autor:
Tianhui He, Lijun Shan, Hanbin Wang, Dexin Xiao, Kui Zhou, Peng Li, Jianxin Wang, Hanxun Xu, Zheng Zhou, Ming Li, Dai Wu
Publikováno v:
Frontiers in Physics, Vol 12 (2024)
Low-emittance photoinjector-enabled cutting-edge scientific instruments, such as free-electron lasers, inverse Compton scattering light sources, and ultrafast electron diffraction, will greatly benefit from the improved repetition rate. In this paper
Externí odkaz:
https://doaj.org/article/9abfb05e7ff5422ba97e4c92ef894480