CERN Accelerating science

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1.
Development of hollow electron beams for proton and ion collimation / Stancari, G. (Fermilab) ; Drozhdin, A.I. (Fermilab) ; Kuznetsov, G. (Fermilab) ; Shiltsev, V. (Fermilab) ; Still, D.A. (Fermilab) ; Valishev, A. (Fermilab) ; Vorobiev, L.G. (Fermilab) ; Assmann, R. (CERN) ; Kabantsev, A. (UC, San Diego)
Magnetically confined hollow electron beams for controlled halo removal in high-energy colliders such as the Tevatron or the LHC may extend traditional collimation systems beyond the intensity limits imposed by tolerable material damage. They may also improve collimation performance by suppressing loss spikes due to beam jitter and by increasing capture efficiency. [...]
arXiv:1202.0252; IPAC-2010-TUPEB076; FERMILAB-CONF-10-182-AD-APC.- 2012 - 3 p. - Published in : Conf. Proc. C: 100523 (2010) , pp. TUPEB076
Fulltext: PDF; Preprint: PDF; External links: Fermilab Library Server (fulltext available); Full-text at JACoW Server
In : 1st International Particle Accelerator Conference, Kyoto, Japan, 23 - 28 May 2010, pp.TUPEB076
2.
Development of hollow electron beams for proton and ion collimation / Stancari, G. (Fermilab) ; Drozhdin, A.I. (Fermilab) ; Kuznetsov, G. (Fermilab) ; Shiltsev, V. (Fermilab) ; Still, D.A. (Fermilab) ; Valishev, A. (Fermilab) ; Vorobiev, L.G. (Fermilab) ; Assmann, R. (CERN) ; Kabantsev, A. (UC, San Diego)
Magnetically confined hollow electron beams for controlled halo removal in high-energy colliders such as the Tevatron or the LHC may extend traditional collimation systems beyond the intensity limits imposed by tolerable material damage. They may also improve collimation performance by suppressing loss spikes due to beam jitter and by increasing capture efficiency [...]
2010 External link: Published version from JACoW
In : 1st International Particle Accelerator Conference, Kyoto, Japan, 23 - 28 May 2010, pp.TUPEB076
3.
Calculation of Finite-Length, Hollow-Beam Equilibria / Lee, J ; Cary, J R
1999 IEEE Published version, local copy: PDF;
In : 18th Biennial Particle Accelerator Conference, New York, NY, USA, 29 Mar - 2 Apr 1999, pp.e-proc. 2784
4.
Collimation with hollow electron beams : a proposed design for the LHC upgrade / Stancari, G (Fermilab) ; Previtali, V (Fermilab) ; Valishev, A (Fermilab) ; Bruce, R (CERN) ; Redaelli, S (CERN) ; Rossi, A (CERN) ; Salvachua Ferrando, B (CERN) ; Moens, V (Ecole Polytechnique, Lausanne)
Collimation with hollow electron beams is a technique for halo removal in high-power hadron beams. The concept was tested experimentally at the Fermilab Tevatron collider using a hollow electron gun installed in one of the Tevatron electron lenses. [...]
2013 Published version from JACoW: PDF;
In : North American Particle Accelerator Conference, Pasadena, CA, USA, 29 Sep - 04 Oct 2013, pp.413-415
5.
Conceptual design of hollow electron lenses for beam halo control in the Large Hadron Collider / Stancari, Giulio (Fermilab) ; Previtali, Valentina (Fermilab) ; Valishev, Alexander (Fermilab) ; Bruce, Roderik (CERN) ; Redaelli, Stefano (CERN) ; Rossi, Adriana (CERN) ; Salvachua Ferrando, Belen (CERN)
Collimation with hollow electron beams is a technique for halo control in high-power hadron beams. [...]
arXiv:1405.2033 ; FERMILAB-TM-2572-APC ; CERN-ACC-2014-0248 ; FERMILAB-TM-2572-APC.
- 2014. - 23 p.
Fermilab Library Server (fulltext available) - Full text - Full text - Fulltext
6.
Experimental and numerical studies on the proposed application of hollow electron beam collimation for the LHC at CERN / Moens, Vince
This thesis work was carried out in the framework of U.S [...]
CERN-THESIS-2013-126 FERMILAB-MASTERS-2013-02. - 97 p.

Fulltext
7.
Hollow electron-lens assisted collimation and plans for the LHC / Mirarchi, D (CERN ; Manchester U.) ; Garcia Morales, H (CERN ; Royal Holloway, U. of London) ; Mereghetti, A (CERN) ; Redaelli, S (CERN) ; Wagner, Joschka (CERN ; Goethe U., Frankfurt (main)) ; Fischer, W (Brookhaven Natl. Lab.) ; Gu, X (Brookhaven Natl. Lab.) ; Stancari, G (Fermilab)
The hollow electron lens (e-lens) is a very powerful and advanced tool for active control of diffusion speed of halo particles in hadron colliders. Thus, it can be used for a controlled depletion of beam tails and enhanced beam halo collimation. [...]
FERMILAB-CONF-18-311-AD-APC.- 2018 - 7 p. - Published in : 10.18429/JACoW-HB2018-TUP1WE02 Fulltext: PDF; External link: FERMILABCONF
In : 61st ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Daejeon, Korea, 17 - 22 Jun 2018, pp.TUP1WE02
8.
Measurements of beam halo diffusion and population density in the Tevatron and in the Large Hadron Collider / Stancari, Giulio (Fermilab)
Halo dynamics influences global accelerator performance: beam lifetimes, emittance growth, dynamic aperture, and collimation efficiency. Halo monitoring and control are also critical for the operation of high-power machines. [...]
FERMILAB-CONF-14-450-AD-APC; arXiv:1411.4580; FERMILAB-CONF-14-450-AD-APC.- 2015-03 - 5 p. Fulltext: PDF; Preprint: PDF; Published version from JACoW: PDF; External links: FERMILABCONF; JACOW
In : 54th ICFA Advanced Beam Dynamics Workshop on High-Intensity, High Brightness and High Power Hadron Beams, East-Lansing, USA, 10 - 14 Nov 2014, pp.WEO3AB01
9.
Electron beam dynamics simulation for electron lenses / Sadovich, Sergey (CERN) ; Rossi, Adriana (CERN) ; Stancari, Giulio (Fermilab)
A test stand is under construction at CERN to study high perveance electron guns, electron beam dynamics, and electron beam diagnostics for electron lenses. It will be used to test electron guns for the Hollow Electron Lenses under consideration for beam halo control for High Luminosity LHC (CERN), and for the Space Charge Compensation at SIS18 (GSI) in the frame of the EU funded ARIES project. [...]
CERN-ACC-2019-107.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-WEPTS048 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPTS048
10.
Experimental Investigation of Electron-Acoustic Waves in Electron Plasmas / Kabantsev, Andrey A ; Valentini, F ; FredDriscoll, C
2006 - Published in : AIP Conf. Proc.: 862 (2006) , pp. 13-18 External link: Published version from AIP
In : Workshop on Non-Neutral Plasmas 2006, Aarhus, Denmark, 25 - 29 Jun 2006, pp.13-18

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