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Author :
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ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (16 download)
Download or read book Fermilab Antiproton Source, Recycler Ring and Main Injector written by and published by . This book was released on 2013 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Fermilab Recycler Ring written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Fermilab Recycler is a permanent magnet storage ring for the accumulation of antiprotons from the Antiproton Source, and the recovery and cooling of the antiprotons remaining at the end of a Tevatron store. It is an integral part of the Fermilab III luminosity upgrade. The following paper describes the design features, operational and commissioning status of the Recycler Ring.
Download or read book Performance of Antiproton Injection and Extraction Transfer Lines of the Recycler Ring at Fermilab written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Recycler Ring, an 8 GeV antiproton accumulator, is being commissioned at Fermilab. Antiproton transfers in and out of the Recycler Ring take place through two transfer lines connecting the Recycler to the Main Injector. Transfer line layout and operation of beam transfers will be described. Particular attention has been paid to injection mismatch effects, in order to limit emittance growth during transfers. A considerable improvement has been achieved by removing vacuum windows, previously present in both transfer lines.
Download or read book Survey and Alignment of the Fermilab Recycler Antiproton Storage Ring written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In June of 1999 Fermilab commissioned a newly constructed antiproton storage ring, the Recycler Ring, in the Main Injector tunnel directly above the Main Injector beamline. The Recycler Ring is a fixed 8 GeV kinetic energy storage ring and is constructed of strontium ferrite permanent magnets. The 3,319.4-meter-circumference Recycler Ring consists of 344 gradient magnets and 100 quadrupoles all of which are permanent magnets. This paper discusses the methods employed to survey and align these permanent magnets within the Recycler Ring with the specified accuracy. The Laser Tracker was the major instrument used for the final magnet alignment. The magnets were aligned along the Recycler Ring with a relative accuracy of "0.25.
Download or read book Antiproton Stacking and Un-stacking in the Fermilab Recycler Ring written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Fermilab Recycler Ring (RR) is intended to be used as a future antiproton storage ring for the Run II proton-antiproton collider operation. It is proposed that about 40mA of antiproton beam from the Accumulator Ring will be transferred to the Recycler once for every two to three hours, stacked and cooled. This operation continues for about 10 to 20 hours depending on the collider needs for antiprotons. Eventually, the cooled antiproton beam will be un-stacked from the Recycler and transferred to the Tevatron via the Main Injector. They have simulated stacking and un-stacking of antiprotons in the Recycler using multi-particle beam dynamics simulation code ESME. In this paper they present results of these simulations.
Download or read book Antiproton Acceleration in the Fermilab Main Injector Using 2.5 MHz (H written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: During the Run II era at Fermilab, the Recycler stores antiprotons at 8 GeV and the Main Injector accelerates the antiprotons and the protons from 8 GeV to 150 GeV for Tevatron injection. The Recycler injects antiprotons to the Main Injector in 2.5 MHz rf buckets. This report presents an acceleration scheme for the antiprotons that involves a slow ramp with initial 2.5 MHz acceleration and subsequent fast acceleration with 53 MHz rf system. Beam acceleration and rf manipulation with space charge and beam loading effects are simulated using the longitudinal simulation code ESME. Simulation suggests that one can expect about 15% emittance growth for the entire acceleration cycle with beam loading compensations. Preliminary experimental results with proton beam will also be presented.
Author : Stephen Myers
Publisher : World Scientific
ISBN 13 : 9814436410
Total Pages : 856 pages
Book Rating : 4.8/5 (144 download)
Download or read book Challenges And Goals For Accelerators In The Xxi Century written by Stephen Myers and published by World Scientific. This book was released on 2016-02-26 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past 100 years of accelerator-based research have led the field from first insights into the structure of atoms to the development and confirmation of the Standard Model of physics. Accelerators have been a key tool in developing our understanding of the elementary particles and the forces that govern their interactions. This book describes the past 100 years of accelerator development with a special focus on the technological advancements in the field, the connection of the various accelerator projects to key developments and discoveries in the Standard Model, how accelerator technologies open the door to other applications in medicine and industry, and finally presents an outlook of future accelerator projects for the coming decades.
Download or read book Fermilab Recycler Stochastic Cooling Commissioning and Performance written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Fermilab Recycler is a fixed 8 GeV kinetic energy storage ring located in the Fermilab Main Injector tunnel near the ceiling. The Recycler has two roles in Run II. First, to store antiprotons from the Fermilab Antiproton Accumulator so that the antiproton production rate is no longer compromised by large numbers of antiprotons stored in the Accumulator. Second, to receive antiprotons from the Fermilab Tevatron at the end of luminosity periods. To perform each of these roles, stochastic cooling in the Recycler is needed to preserve and cool antiprotons in preparation for transfer to the Tevatron. The commissioning and performance of the Recycler stochastic cooling systems will be reviewed.
Download or read book Fermilab: Click N' Tour the Accelerators written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers information on the Fermi National Accelerator Laboratory (Fermilab) accelerators, including Cockcroft-Walton, Linac, Booster, Main Ring, Tevatron, Antiproton Storage Rings, Main Injector, and Antiproton Recycler Ring.
Download or read book Automatic Steering Corrections to Minimize Injection Oscillations in the Fermilab Antiproton Source Rings written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Missteering of particle beam at injection into a circular accelerator produces coherent betatron oscillations. The beam position monitor system in the Antiproton Source at Fermilab can measure the beam position on each turn around the ring during these oscillations. From the amplitude and phase of the oscillations, corrections to the beamline steering are calculated to remove the oscillations. The analysis includes the case where the horizontal and vertical tunes are quite strongly coupled. This technique has proved to be valuable both in operation of the Fermilab Collider and as an analytical tool. 4 refs., 2 figs.
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ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (684 download)
Download or read book Tevatron Collider Operations and Plans written by and published by . This book was released on 2004 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fermilab's Tevatron is a proton-antiproton collider with center of mass energy of 1.96 TeV. The antiprotons are produced by 125 GeV protons from the Main Injector striking a stainless steel target. The 8 GeV antiprotons are collected and cooled in the Debuncher and Accumulator rings of the Antiproton Source and, just recently, in the Recycler ring before acceleration by the Main Injector and the Tevatron. In addition to energy, a vital parameter for generating physics data is the Luminosity delivered to the experiments given by a formula that is listed in detail in the paper.
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ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.:/5 (684 download)
Download or read book Fermilab Recycler Ring written by and published by . This book was released on 1996 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the technical design of the Fermilab Recycler Ring. The purpose of the Recycler is to augment the luminosity increase anticipated from the implementation of the Fermi III upgrade project, which has as its main component the Fermilab Main Injector construction project. The Recycler is a fixed 8 GeV kinetic energy storage ring. It is located in the Main Injector tunnel directly above the Main Injector beamline, near the ceiling. The construction schedule calls for the installation of the Recycler ring before the installation shutdown of the Main Injector. This aggressive construction schedule is made possible by the exclusive use of permanent magnets in the ring lattice, removing the need for expensive conventional iron/copper magnet construction along with the related power supplies, cooling water system, and electrical safety systems. The location, operating energy, and mode of construction are chosen to minimize operational impacts on both Fermilab's ongoing High Energy Physics program and the Main Injector construction project.
Author :
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.:/5 (925 download)
Download or read book Conceptual Design Report written by and published by . This book was released on 1992 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report contains a description of the design and cost estimate of a new 150 GeV accelerator, designated the Fermilab Main Injector (FMI). The construction of this accelerator will simultaneously result in significant enhancements to both the Fermilab collider and fixed target programs. The FMI is to be located south of the Antiproton Source and tangent to the Tevatron ring at the FO straight section as shown in Figure 1-1. The FMI will perform all duties currently required of the existing Main Ring. Thus, operation of the Main Ring will cease following commissioning of the FMI, with a concurrent reduction in background rates as seen in the colliding beam detectors. The performance of the FMI, as measured in terms of protons per second delivered to the antiproton production target or total protons delivered to the Tevatron, is expected to exceed that of the Main Ring by a factor of two-tothree. In addition the FMI will provide high duty factor 120 GeV beam to the experimental areas during collider operation, a capability which does not presently exist in the Main Ring.
Download or read book The Fermilab Main Injector written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fermilab has proposed the construction of a new 150 GeV accelerator called the Main Injector. This accelerator will replace the existing Main Ring in all its functions. The Main Injector is expected to perform at a significantly higher level than the Main Ring as measured either in protons delivered per cycle, protons delivered per second, or transmission efficiency. It is anticipated that following construction of this machine the antiproton production rate at Fermilab will exceed 1 x 1011 /bar p//hour and that a luminosity in excess of 5 /times/ 1031 cm/sup -1/ will be supported in the existing collider. Additional benefits accruing from this accelerator include reduction of backgrounds at the collider detectors, potential development of a third interaction region in the Tevatron, and the availability of slow extracted 120 GeV beams year around. Design criteria and parameters of the Main Injector will be discussed. 1 fig., 3 tabs.
Author :
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ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (3 download)
Download or read book Fermilab Report written by and published by . This book was released on 1982 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fermi National Accelerator Laboratory
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (26 download)
Download or read book The Fermilab Antiproton Source Design Report written by Fermi National Accelerator Laboratory and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 189 pages
Book Rating : 4.:/5 (93 download)
Download or read book Conceptual Design Report written by and published by . This book was released on 1990 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report contains a description of the design and cost estimate of a new 150 GeV accelerator, designated the Main Injector, which will be required to support the upgrade of the Fermilab Accelerator Complex. The construction of this accelerator will simultaneously result in significant enhancements to both the Fermilab collider and fixed target programs. The Main Injector (MI) is to be located south of the Antiproton Source and tangent to the Tevatron ring at the FO straight section as shown in Figure 1-1. The MI will perform all duties currently required of the existing Main Ring. Thus, operation of the Main Ring will cease following commissioning of the MI, with a concurrent reduction in background rates as seen in the colliding beam detectors. The performance of the MI, as measured in terms of protons per second delivered to the antiproton production target or total protons delivered to the Tevatron, is expected to exceed that of the Main Ring by a factor of two to three. In addition the MI will provide high duty factor 120 GeV beam to the experimental areas during collider operation, a capability which does not presently exist in the Main Ring.
