Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Hützen, Anna"'
We investigate the effect of density down-ramps on the acceleration of ions via Magnetic Vortex Acceleration (MVA) in a near-critical density gas target by means of particle-in-cell simulations. The spin-polarization of the accelerated protons is rob
Externí odkaz:
http://arxiv.org/abs/2101.10148
Publikováno v:
High Pow Laser Sci Eng 8 (2020) e36
The acceleration of polarized electrons, positrons, protons and ions in strong laser and plasma fields is a very attractive option to obtain polarized beams in the multi-MeV range. Recently, there has been substantial progress in the understanding of
Externí odkaz:
http://arxiv.org/abs/2006.06974
Autor:
Wu, Yitong, Ji, Liangliang, Geng, Xuesong, Thomas, Johannes, Büscher, Markus, Pukhov, Alexander, Hützen, Anna, Zhang, Lingang, Shen, Baifei, Li, Ruxin
We propose a filter method to generate electron beams of high polarization from bubble and blow-out wakefield accelerators. The mechanism is based on the idea to identify all electron-beam subsets with low-polarization and to filter them out by an X-
Externí odkaz:
http://arxiv.org/abs/2004.02616
Autor:
Hützen, Anna, Thomas, Johannes, Lehrach, Andreas, Rakitzis, T. Peter, Pukhov, Alexander, Ji, Liangliang, Wu, Yitong, Engels, Ralf, Büscher, Markus
The generation of polarized particle beams still relies on conventional particle accelerators, which are typically very large in scale and budget. Concepts based on laser-driven wake-field acceleration have strongly been promoted during the last deca
Externí odkaz:
http://arxiv.org/abs/2002.02211
Autor:
Jin, Luling, Wen, Meng, Zhang, Xiaomei, Hützen, Anna, Thomas, Johannes, Büscher, Markus, Shen, Baifei
Publikováno v:
Phys. Rev. E 102, 011201 (2020)
A method of generating spin polarized proton beams from a gas jet by using a multi-petawatt laser is put forward. With currently available techniques of producing pre-polarized monatomic gases from photodissociated hydrogen halide molecules and petaw
Externí odkaz:
http://arxiv.org/abs/2001.11398
Autor:
Thomas, Johannes, Hützen, Anna, Lehrach, Andreas, Pukhov, Alexander, Ji, Liangliang, Wu, Yitong, Geng, Xuesong, Büscher, Markus
Publikováno v:
Phys. Rev. Accel. Beams 23, 064401 (2020)
The acceleration of polarized electrons and protons in strong laser and plasma fields is a very attractive option to obtain polarized beams in the GeV range. We investigate the feasibility of particle acceleration in strong fields without destroying
Externí odkaz:
http://arxiv.org/abs/2001.07084
Autor:
Wu, Yitong, Ji, Liangliang, Geng, Xuesong, Yu, Qin, Wang, Nengwen, Feng, Bo, Guo, Zhao, Wang, Weiqing, Qin, Chengyu, Yan, Xue, Zhang, Lingang, Thomas, Johannes, Hützen, Anna, Büscher, Markus, Rakitzis, Peter, Pukhov, Alexander, Shen, Baifei, Li, Ruxin
We propose a new approach based on an all-optical set-up for generating relativistic polarized electron beams via vortex Laguerre-Gaussian (LG) laser-driven wakefield acceleration. Using a pre-polarized gas target, we find that the topology of the vo
Externí odkaz:
http://arxiv.org/abs/1904.03431
Autor:
Hützen, Anna, Thomas, Johannes, Böker, Jürgen, Engels, Ralf, Gebel, Ralf, Lehrach, Andreas, Pukhov, Alexander, Rakitzis, T. Peter, Sofikitis, Dimitris, Büscher, Markus
Publikováno v:
High Pow Laser Sci Eng 7 (2019) e16
We report on the concept of an innovative source to produce polarized proton/deuteron beams of a kinetic energy up to several GeV from a laser-driven plasma accelerator. Spin effects have been implemented into the PIC simulation code VLPL to make the
Externí odkaz:
http://arxiv.org/abs/1810.02247
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