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Author :
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (16 download)
Download or read book Status of the Electron Cooling Experiment written by and published by . This book was released on 1978 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Present Status of Coherent Electron Cooling Proof-of-principle Experiment written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Status of Proof-of-principle Experiment for Coherent Electron Cooling written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Coherent electron cooling (CEC) has a potential to significantly boost luminosity of high-energy, high-intensity hadron colliders. To verify the concept we conduct proof-of-the-principle experiment at RHIC. In this paper, we describe the current experimental setup to be installed into 2 o'clock RHIC interaction regions. We present current design, status of equipment acquisition and estimates for the expected beam parameters. We use a dogleg to merge the electron and ion beams. The ions 'imprint' their distribution into the electron beam via a space charge density modulation. The modulation is amplified in an FEL comprised of a 7-m long helical wiggler. The ions are co-propagating with electron beam through the FEL. The ion's average velocity is matched to the group velocity of the wave-packet of e-beam density modulation in the FEL. A three-pole wiggler at the exit of the FEL tune the phase of the wave-packet so the ion with the central energy experience the maximum of the e-beam density modulation, where electric field is zero. The time-of-flight dependence on ion's provides for the electrical field caused by the density modulation to reduce energy spread of the ion beam. The used electron beam is bent off the ion path and damped.
Author : L Tecchio
Publisher : World Scientific
ISBN 13 : 9814569321
Total Pages : 354 pages
Book Rating : 4.8/5 (145 download)
Download or read book Electron Cooling And New Cooling Techniques: Ecool '90 - Proceedings Of The Workshop written by L Tecchio and published by World Scientific. This book was released on 1991-05-24 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: ICM 2010 proceedings comprises a four-volume set containing articles based on plenary lectures and invited section lectures, the Abel and Noether lectures, as well as contributions based on lectures delivered by the recipients of the Fields Medal, the Nevanlinna, and Chern Prizes. The first volume will also contain the speeches at the opening and closing ceremonies and other highlights of the Congress.
Author : Helmut Poth
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (841 download)
Download or read book Electron Cooling written by Helmut Poth and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Progress with Coherent Electron Cooling Proof-of-prinicple Experiment written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fermi National Accelerator Laboratory
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (26 download)
Download or read book Fermilab Electron Cooling Experiment Design Report written by Fermi National Accelerator Laboratory and published by . This book was released on 1978 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Coherent Electron Cooling Proof of Principle Phase 1 Instrumentation Status written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Towards Demonstration of Electron Cooling with Bunched Electron Beam written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: All electron cooling systems which were in operation so far employed electron beam generated with an electrostatic electron gun in DC operating mode, immersed in a longitudinal magnetic field. At low energies magnetic field is also being used to transport electron beam through the cooling section from the gun to the collector. At higher energies (few MeV), it was shown that one can have simpler electron beam transport without continuous magnetic field. Because of a rather weak magnetic field on the cathode and in the cooling section the latter approach was referred to as 'non-magnetized cooling', since there was no suppression of the transverse angular spread of the electron beam with the magnetic field in the cooling section. Such a cooler successfully operated at FNAL (2005-11) at electron beam energy of 4.3 MeV. Providing cooling at even higher energies would be easier with RF acceleration of electron beam, and thus using bunched electron beam for cooling. Significant efforts were devoted to explore various aspects of such bunched electron beam cooling as part of R and D of high-energy electron cooling for RHIC. However, experimental studies of such cooling are still lacking. Establishing this technique experimentally would be extremely useful for future high-energy applications. Presently there is an ongoing effort to build Proof-of-Principle (PoP) experiment of Coherent Electron Cooling (CEC) at RHIC, which promises to be superior to conventional electron cooling for high energies. Since the CEC experiment is based on bunched electron beam and it has sections where electron beam co-propagates with the ion beam at the same velocity, it also provides a unique opportunity to explore experimentally conventional electron cooling but for the first time with a bunched electron beam. As a result, it allows us to explore techniques needed for the high-energy electron cooling such as 'painting' with a short electron beam and control of ion beam distribution under cooling which is essential if cooling is provided in a collider. The software needed for comparison with the experiments is already developed as part of the previous high-energy electron cooling studies for RHIC. Since electron beam will be non-magnetized and there will be no magnetic field in the cooling section it will be also a first demonstration of fully non-magnetized cooling. The purpose of these studies was to explore whether we would be able to observe conventional electron cooling with parameters expected in the CEC PoP experiment. Below we summarize requirements on electron beam and cooling section needed for such demonstration.
Download or read book Coherent Electron Cooling Demonstration Experiment written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Coherent electron cooling (CEC) has a potential to significantly boost luminosity of high-energy, high-intensity hadron-hadron and electron-hadron colliders. In a CEC system, a hadron beam interacts with a cooling electron beam. A perturbation of the electron density caused by ions is amplified and fed back to the ions to reduce the energy spread and the emittance of the ion beam. To demonstrate the feasibility of CEC we propose a proof-of-principle experiment at RHIC using SRF linac. In this paper, we describe the setup for CeC installed into one of RHIC's interaction regions. We present results of analytical estimates and results of initial simulations of cooling a gold-ion beam at 40 GeV/u energy via CeC. We plan to complete the program in five years. During first two years we will build coherent electron cooler in IP2 of RHIC. In parallel we will develop complete package of computer simulation tools for the start-to-end simulation predicting exact performance of a CeC. The later activity will be the core of Tech X involvement into the project. We will use these tools to predict the performance of our CeC device. The experimental demonstration of the CeC will be undertaken in years three to five of the project. The goal of this experiment is to demonstrate the cooling of ion beam and to compare its measured performance with predictions made by us prior to the experiments.
Download or read book Proof-of-principle Experiment for FEL-based Coherent Electron Cooling written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Coherent electron cooling (CEC) has a potential to significantly boost luminosity of high-energy, high-intensity hadron-hadron and electron-hadron colliders. In a CEC system, a hadron beam interacts with a cooling electron beam. A perturbation of the electron density caused by ions is amplified and fed back to the ions to reduce the energy spread and the emittance of the ion beam. To demonstrate the feasibility of CEC we propose a proof-of-principle experiment at RHIC using SRF linac. In this paper, we describe the setup for CeC installed into one of RHIC's interaction regions. We present results of analytical estimates and results of initial simulations of cooling a gold-ion beam at 40 GeV/u energy via CeC. We plan to complete the program in five years. During first two years we will build coherent electron cooler in IP2 of RHIC. In parallel we will develop complete package of computer simulation tools for the start-to-end simulation predicting exact performance of a CeC. The later activity will be the core of Tech X involvement into the project. We will use these tools to predict the performance of our CeC device. The experimental demonstration of the CeC will be undertaken in years three to five of the project. The goal of this experiment is to demonstrate the cooling of ion beam and to compare its measured performance with predictions made by us prior to the experiments.
Author : V. V. Anašin
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (553 download)
Download or read book Set-up for Electron Cooling Experiments written by V. V. Anašin and published by . This book was released on 1975 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Justin Owen
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book Simulation of electron beam dyanmics in the 22 MeV accelerator for a coherent electron cooling proof of principle experiment written by Justin Owen and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T Katayama
Publisher : World Scientific
ISBN 13 : 9814569216
Total Pages : 312 pages
Book Rating : 4.8/5 (145 download)
Download or read book Cooler Rings And Their Applications - Proceedings Of The 19th Ins Symposium written by T Katayama and published by World Scientific. This book was released on 1991-08-29 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents:Status Report:The IUCF Cooler after Three Years (R E Pollock)The Heidelberg Heavy Ion Cooler Ring TSR (E Jaeschke)Storage and Cooling of Heavy Ions in the ESR up to 200 MeV/u (H Eickhoff et al)Present Status of CELSIUS (A Johansson & D Reistad); Cooler Synchrotron TARN II, Present and Future (T Katayama)Beam Cooling: Electron Cooling at TARN II (T Tanabe et al)Ion Trap: Penning Trap Experiments at the University of Washington and at NIST in Boulder (F L Moore) Electron Cooling and Trapped Antiprotons (H Kalinowsky)Nuclear and Particle Physics: High-Resolution Spectroscopy of Deeply-Bound Pionic Atoms in Heavy Nuclei by Pion-Transfer Reactions of Inverse Kinematics Using the GSI Cooler Ring ESR (T Yamazaki)Nuclear Physics with the Indiana Cooler (H O Meyer)The Anomalous Magnetic Moment of the Muon (V W Hughes)Particle Physics at CELSIUS (S Kullander et al)Accelerator: Advanced Stacking Methods Using Electron Cooling at the TSR Heidelberg (M Grieser et al)Accumulation of Radioactive Beam and Collision with Electron Beam in TARN II (A Ando & T Katayama)Internal Target: Internal Targets at the CELSIUS Storage Ring (C Ekström)A Thin Foil as an Internal Target for a Cooler Ring Experiment (K Noda et al)Atomic Physics: Radiative and Dielectronic Recombination: Measurements at UNILAC and ESR (A Müller et al)Electron-Ion Recombination Measurements with an Electron Cooler (L H Andersen)and other papers Readership: Atomic, nuclear and high energy physicists. keywords:
Author : Per Carlson
Publisher : World Scientific
ISBN 13 : 9814569593
Total Pages : 562 pages
Book Rating : 4.8/5 (145 download)
Download or read book Low Energy Antiproton Physics - Proceedings Of The First Biennial Conference written by Per Carlson and published by World Scientific. This book was released on 1991-01-10 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceedings of this important conference consist of plenary and invited papers published in hard copy and CD-ROM versions. The contributed oral and poster presentations are included in the CD-ROM version only.
Author : P. Marin
Publisher : Atlantica Séguier Frontières
ISBN 13 : 9782863320907
Total Pages : 1054 pages
Book Rating : 4.3/5 (29 download)
Download or read book EPAC 90 written by P. Marin and published by Atlantica Séguier Frontières. This book was released on 1990 with total page 1054 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (727 download)
Download or read book Experimental Demonstration of Relativistic Electron Cooling written by and published by . This book was released on 2005 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on an experimental demonstration of electron cooling of high-energy antiprotons circulating in a storage ring. In our experiments, electron cooling, a well-established method at low energies (
