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of 28
pro vyhledávání: '"Schiwietz, Gregor"'
Autor:
Atkinson, Terry, Hwang, Ji-Gwang, Rehm, Guenther, Ries, Markus, Schiwietz, Gregor, Wiese, Stefan
As part of the global refurbishment of the injector at BESSY II, a new optical beamline has been installed in the booster. This paper covers the conceptual design: incorporating the beamline into an operational facility without downtime, the simulati
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https://explore.openaire.eu/search/publication?articleId=doi_________::f7e0008f9cf61c0b262c51d1fa9bc9bb
Akademický článek
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Due to the complexity of the filling pattern in the BESSY II electron-storage ring, bunch-resolved diagnostics are required for machine commissioning and to ensure the long-term quality and stability of operation. In addition, low-alpha operation and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1e2831e7ea02ba04da68c6d26878f85
Autor:
Koopmans, Marten, Hwang, Ji-Gwang, Jankowiak, Andreas, Ries, Markus, Schälicke, Andreas, Schiwietz, Gregor
The pulse picking by resonant excitation (PPRE) method* is used to realize pseudo single-bunch radiation from a complex filling pattern at the BESSY II storage ring. The PPRE bunch is excited in the horizontal plane by a quasi-resonant incoherent per
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0f37b356f759772afddbbc014eb3f82
Autor:
Hwang, Ji-Gwang, Atkinson, Terry, Goslawski, Paul, Jankowiak, Andreas, Koopmans, Marten, Mertens, Tom, Ries, Markus, Schälicke, Andreas, Schiwietz, Gregor
BESSY VSR is an upgrade project of the existing storage ring BESSY II to create long and short photon pulses simultaneously for all beam lines by installing additional superconducting cavities with harmonic frequencies of 1.5 GHz and 1.75 GHz. The st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b68b5419290a9b451a4de166a6288ae
Autor:
Hwang, Ji-Gwang, Dürr, Volker, Ries, Markus, Schälicke, Andreas, Schiwietz, Gregor, Wolk, Daniel
An extreme operation mode such as the BESSY-VSR conditions stimulates the development of a high accuracy bunch-by-bunch beam-position monitor (BPM) system which is compatible with the bunch-selective operation for the orbit feedback system. Such a sy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fba284aaf039a980ddbf45e78ccdd112
Autor:
Hwang, Ji-Gwang, Dürr, Volker, Falkenstern, Fjodor, Ries, Markus, Schälicke, Andreas, Schiwietz, Gregor, Wolk, Daniel
The future BESSY VSR system involves more than one order-of-magnitude differences in the total charge of adjacent short and long bunches within the bunch train. Thus, any signal ringing beyond a nanosecond in time will cause a misreading of beam posi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fcd5e628cb4897eef6173b7643a390e
The upgrade of the BESSY II light source in Berlin towards the Variable pulse-length Storage-Ring BESSY VSR will lead to a complex fill pattern. This involves co-existing electron bunches with significant variations of bunch-length, bunch charge as w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8395743364e1343352a0be34667937e4
Autor:
Goslawski, Paul, Andreas, Felix, Armborst, Felix, Atkinson, Terry, Feikes, Joerg, Jankowiak, Andreas, Li, Ji, Mertens, Tom, Ries, Markus, Schälicke, Andreas, Schiwietz, Gregor, Wüstefeld, Godehard
Operating a storage ring close to a horizontal resonance and manipulating the transverse non-linear beam dynamics can generate stable Transverse Resonance Island Buckets (TRIBs), which give a 2nd stable orbit in the ring. Both orbits can be populated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89a0095ae5635a2852c32e421f803d8a
Autor:
Koopmans, Marten, Armborst, Felix, Hwang, Ji-Gwang, Jankowiak, Andreas, Kuske, Peter, Ries, Markus, Schiwietz, Gregor
With the VSR upgrade for the BESSY II electron storage ring* bunch resolved diagnostics are required for machine commissioning and to ensure the long-term quality and stability of operation. For transverse beam size measurements we are going to use a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::baa7b1941910d9933651549d862431ea