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First Results of the IOTA Ring Research at Fermilab
/ Valishev, Alexander (Fermilab) ; Arodzero, Anatoli (RadiaBeam Tech.) ; Broemmelsiek, Daniel (Fermilab) ; Bruhwiler, David (RadiaSoft, Boulder) ; Burov, Alexey (Fermilab) ; Carlson, Kermit (Fermilab) ; Cathey, Brandon (Fermilab) ; Chattopadhyay, Swapan (Northern Illinois U. ; Fermilab) ; Eddy, Nathan (Fermilab) ; Edelen, Jonathan (RadiaSoft, Boulder) et al.
The IOTA ring at Fermilab is a unique machine exclusively dedicated to accelerator beam physics R&D.; The research conducted at IOTA includes topics such as nonlinear integrable optics, suppression of coherent beam instabilities, optical stochastic cooling and quantum science experiments. In this talk we report on the first results of experiments with implementations of nonlinear integrable beam optics. [...]
2021 - 6 p.
- Published in : 10.18429/JACoW-IPAC2021-MOXB02
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, Br, 24 - 28 May 2021, pp.19-24
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Beam physics research with the IOTA electron lens
/ Stancari, G (Fermilab) ; Agustsson, R (RadiaBeam Tech.) ; Banerjee, N (Illinois U., Chicago) ; Boffo, C (Fermilab) ; Burov, A (Fermilab) ; Carlson, K (Fermilab) ; Cathey, B (Fermilab) ; Chen, Y C (RadiaBeam Tech.) ; Chung, M (UNIST, Ulsan) ; Crawford, D (Fermilab) et al.
The electron lens in the Fermilab Integrable Optics Test Accelerator (IOTA) will enable new research in nonlinear integrable optics, space-charge compensation, electron cooling, and the stability of intense beams. This research addresses scientific questions on high-brightness beams and operational challenges of high-power accelerators for nuclear and particle physics. [...]
2021 - 33 p.
- Published in : JINST 16 (2021) P05002
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On Landau damping restoration with electron lenses in space-charge dominated beams
/ Alexahin, Y (Fermilab) ; Burov, A (Fermilab) ; Valishev, A (Fermilab) ; Shiltsev, V (Fermilab)
It is shown that the Lorentz forces of a low-energy, magnetically stabilized electron beam, or “electron lens”, can introduce transverse nonlinear focusing sufficient for Landau damping of transverse beam instabilities in accelerators. Unlike other nonlinear elements, the electron lens can provide the frequency spread mainly at the desirable range of particle amplitudes, thus permitting to avoid the beam lifetime degradation..
FERMILAB-CONF-690-APC.-
2020 - 3 p.
- Published in : 10.23732/CYRCP-2020-009.65
Fulltext: fulltext1790795 - PDF; fermilab-conf-19-690-apc - PDF; External link: FERMILABCONF
In : ICFA mini-Workshop on Mitigation of Coherent Beam Instabilities in Particle Accelerators (MCBI 2019), Zermatt, Switzerland, 23 - 27 Sep 2019, pp.65-67 (CERN-2020-009)
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Review of the instabilities observed during the 2012 run and actions taken
/ Métral, E (CERN) ; Arduini, G (CERN) ; Assmann, R (CERN) ; Bruning, O (CERN) ; Buffat, X (CERN) ; Burov, A (CERN) ; Herr, W (CERN) ; Hofle, W (CERN) ; Lamont, M (CERN) ; Mounet, N (CERN) et al.
Despite the excellent performance of the LHC in 2012, with a record peak
luminosity at 4 TeV corresponding to 77% of the 7 TeV design luminosity of 10 34
cm-2 s-1 , the intensity ramp-up was perturbed by several types of
instabilities. All the observations (during both physics cycles and dedicated
MDs) are critically reviewed, comparing them to past predictions and new
findings. [...]
Geneva : CERN, 2012 - 8 p.
- Published in : (2012) , pp. 87-94
Fulltext: PDF;
In : 4th Evian Workshop on LHC beam operation, Evian-les-Bains, France, 17 - 20 Dec 2012, pp.87-94
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Beam Instabilities in Hadron Synchrotrons
/ Métral, E (CERN) ; Argyropoulos, T (CERN) ; Bartosik, H (CERN) ; Biancacci, N (CERN) ; Buffat, X (CERN) ; Esteban Muller, J F (CERN) ; Herr, W (CERN) ; Iadarola, G (CERN) ; Lasheen, A (CERN) ; Li, K (CERN) et al.
Beam instabilities cover a wide range of effects in particle accelerators and they have been the subjects of intense research for several decades. As the machines performance was pushed new mechanisms were revealed and nowadays the challenge consists in studying the interplays between all these intricate phenomena, as it is very often not possible to treat the different effects separately. [...]
FERMILAB-PUB-15-646-APC.-
2016 - 50 p.
- Published in : IEEE Trans. Nucl. Sci. 63 (2016) 1001-1050
Fulltext: PDF;
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