Paper | Title | Other Keywords | Page |
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MOPOY018 | The New RF Design of the 36 MHz-HSI-RFQ at GSI | rfq, DTL, multipole, quadrupole | 883 |
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In Darmstadt / Germany the existing accelerator cite GSI is expanding to one of the biggest joint research projects worldwide: FAIR, a new antiproton and ion research facility with so far unmatched intensities and quality. The existing accelerators will be used as pre-accelerators and therefor need to be upgraded to fulfill the requirements with respect for intensity and beam quality. In a first step the 9.2 m long 36 MHz-HSI-RFQ for high current beams will get new electrodes to reach the specific frequency, to allow a higher electric strength and to avoid unwanted multipole components. Therefor several simulations with CST MWS have been done. The parameters and results of the RF-design will be presented. | |||
DOI • | reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPOY018 | ||
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TUPOW050 | Parametric X-rays at FAST | electron, photon, detector, scattering | 1877 |
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Funding: Fermilab is operated by Fermi Research Alliance LLC under DOE contract No. DE-AC02CH11359 We discuss the generation of parametric X-rays (PXR) in the photoinjector at the new FAST facility at Fermilab. Detailed calculations of the intensity spectrum, energy and angular widths and spectral brilliance with a diamond crystal are presented. We also report on expected results with PXR generated while the beam is channeling. The low emittance electron beam makes this facility a promising source for creating brilliant X-rays. |
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DOI • | reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-TUPOW050 | ||
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WEOBA03 | High Brilliance Uranium Beams for FAIR | emittance, ion, target, injection | 2052 |
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The 40 years old GSI-UNILAC (Universal Linear Accelerator) as well as the heavy ion synchrotron SIS18 will serve as a high current heavy ion injector for the new FAIR (Facility for Antiproton and Ion Research) synchrotron SIS100. Due to an advanced machine investigation program in combination with the ongoing UNILAC upgrade program, a new uranium beam intensity record (10 emA, U29+) at very high beam brilliance was achieved recently in a machine experiment campaign. This is an important step paving the way to fulfill the FAIR heavy ion high intensity beam requirements. Results of high current uranium beam measurements applying a newly developed pulsed hydrogen gas stripper (at 1.4 MeV/u) will be presented in detail. | |||
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Slides WEOBA03 [2.281 MB] | ||
DOI • | reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEOBA03 | ||
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WEPOW042 | Properties of Synchrotron Radiation from Segmented Undulators based on a Wigner Distribution Function | undulator, electron, radiation, photon | 2933 |
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Three long straight sections with a double mini-βy lattice were designed in Taiwan Photon Source. For the purpose to understand whether the brilliance can be enhanced or not when two collinear undulators were installed in the double mini-βy. Therefore, the Wigner distribution function (WDF) is developed to calculate the brilliance in the double mini-βy lattice that is a natural way to describe a synchrotron radiation source. Herein, the brilliance is thereby calculable without a Gaussian approximation used in a conventional manner. Some important optical properties such as the degree of coherence can be directly calculated with this method. We use it as an example to investigate the properties of radiation from a segmented undulator. | |||
DOI • | reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEPOW042 | ||
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