Zobrazeno 1 - 10
of 4 113
pro vyhledávání: '"K.‐J. Kim"'
Autor:
S. Adamenko, A. Esaulov, B. Ulmen, V. Novikov, S. Ponomarev, A. Adamenko, V. Artyuh, A. Gurin, V. Prokopenko, V. Kolomiyets, V. Belous, K.-J. Kim, G. Miley, A. Bassuney, D. Novikov
Publikováno v:
Results in Physics, Vol 5, Iss C, Pp 62-68 (2015)
One of the most fundamental processes in the Universe, nucleosynthesis of elements drives energy production in stars as well as the creation of all atoms heavier than hydrogen. To harness this process and open new ways for energy production, we must
Externí odkaz:
https://doaj.org/article/178edef2f14c4c8b829ffab43d025f33
Autor:
K. J. Kim, S. Y. Kim, D. Paige, J. Grodner, Y. Choi, J. H. Park, Y. K. Kim, K. S. Park, K. B. Lee, N. Yamashita, A. A. Berezhnoy, C. Wöhler
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-5 (2024)
Abstract The strongest gamma-ray burst (GRB) of the century, GRB20221009A, has been detected by the Korean Pathfinder Lunar Orbiter Gamma-ray Spectrometer (KGRS) instrument onboard the Korean Pathfinder Lunar Orbiter (KPLO). KGRS uses a LaBr3 detecto
Externí odkaz:
https://doaj.org/article/20497e37b8a84781b1976877ca4de1a1
Publikováno v:
APL Materials, Vol 4, Iss 3, Pp 032504-032504-7 (2016)
The dynamics of a magnetic domain wall (DW) under a transverse magnetic field Hy are investigated in two-dimensional (2D) Co/Ni microstrips, where an interfacial Dzyaloshinskii-Moriya interaction (DMI) exists with DMI vector D lying in +y direction.
Externí odkaz:
https://doaj.org/article/c8736a1a6ee0415b9a929e3e8e6101fe
Publikováno v:
Physical Review Accelerators and Beams, Vol 19, Iss 12, p 121301 (2016)
The longitudinal shape, i.e., the current profile, of an electron bunch determines the transformer ratio in a collinear wakefield accelerator and thus methods are sought to control the longitudinal bunch shape. The emittance exchange (EEX) appears to
Externí odkaz:
https://doaj.org/article/5a21f71082874e87a655a543bcd0a2ea
Autor:
B. W. Adams, K.-J. Kim
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 18, Iss 3, p 030711 (2015)
An x-ray free-electron laser oscillator (XFELO) is a next-generation x-ray source, similar to free-electron laser oscillators at VUV and longer wavelengths but using crystals as high-reflectivity x-ray mirrors. Each output pulse from an XFELO is full
Externí odkaz:
https://doaj.org/article/257a40aede1847f9a1fcb768d0c60ff9
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 14, Iss 1, p 010701 (2011)
Simulations of the x-ray free-electron laser (FEL) oscillator are presented that include the frequency-dependent Bragg crystal reflectivity and the transverse diffraction and focusing using the two-dimensional FEL code GINGER. A review of the physics
Externí odkaz:
https://doaj.org/article/394ee5c1a0384dcc90243c51c1ad7727
Autor:
R. R. Lindberg, K.-J. Kim
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 12, Iss 7, p 070702 (2009)
We describe the radiation properties of an x-ray free-electron laser (FEL) oscillator, beginning with its start-up from noise through saturation. We first decompose the initially chaotic undulator radiation into the growing longitudinal modes of the
Externí odkaz:
https://doaj.org/article/f823c395e08340ffa357b099a3b74998
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 9, Iss 10, p 100702 (2006)
The ability to generate small transverse emittance is perhaps the main limiting factor for the performance of high-gain x-ray free-electron lasers (FELs). Noting that beams from an rf photocathode gun can have energy spread much smaller than required
Externí odkaz:
https://doaj.org/article/e35c391dae4e42808ae75642b1b3a387
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 9, Iss 3, p 031001 (2006)
The generation of a flat electron beam directly from a photoinjector is an attractive alternative to the electron damping ring as envisioned for linear colliders. It also has potential applications to light sources such as the generation of ultrashor
Externí odkaz:
https://doaj.org/article/d3980630daf14d5e9ea027bd8093c93a
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 7, Iss 12, p 123501 (2004)
Various projects under study require an angular-momentum-dominated electron beam generated by a photoinjector. Some of the proposals directly use the angular-momentum-dominated beams (e.g., electron cooling of heavy ions), while others require the be
Externí odkaz:
https://doaj.org/article/7184c1611e284992a1b67a89989a05b5