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The performance of various systems of the Next Linear Collider (NLC) have been studied in terms of ground motion using recently developed models. In particular, the performance of the beam delivery system is discussed. Plans to evaluate the…

Accelerator Physics · Physics 2008-11-26 A. Seryi , L. Hendrickson , P. Raimondi , T. Raubenheimer , P. Tenenbaum

The Fermilab Linac delivers 400 MeV H- beam to the rest of the accelerator chain. Providing stable intensity, energy, and emittance is key since it directly affects downstream machines. To counter fluctuations of Linac output due to various…

Accelerator Physics · Physics 2022-09-07 R. Sharankova , M. Mwaniki , K. Seiya , M. Wesley

A 52MHz Radio Frequency Quadrupole (RFQ) linear accelerator (linac) is designed to serve as an initial structure for the SSC-linac system (injector into Separated Sector Cyclotron). The designed injection and output energy are 3.5 keV/u and…

Accelerator Physics · Physics 2016-09-08 Xiao Chen , He Yuan , Yuan You-Jin , Liu Yong , Xia Jia-Wen , Lu Yuan-Rong , Yuri Batygin

This paper describes beam energy online measurement of BEPCII linac, presents the calculation formula and some of the results. The method mentioned here measures the beam energy by acquiring beam positions in the horizontal direction with…

Accelerator Physics · Physics 2015-10-09 Shao-Zhe Wang , Rong Liu , Yun-Long Chi

The Radio-Frequency Quadrupole (RFQ) linac that will accelerate a 20mA proton beam from 50keV to 3MeV has been designed and is being fabricated as the first phase, KOMAC Test Facility (KTF), of the Korea Multipurpose Accelerator Complex…

Accelerator Physics · Physics 2007-05-23 J. M. Han

In this study, a low energy beam transport (LEBT) channel for the proton linac section of the Turkish Accelerator Center (TAC) has been designed by using TRAVEL code. Commonly used LEBT including two focusing solenoid magnets will transport…

Accelerator Physics · Physics 2014-05-29 H. F. Kisoglu , A. Caliskan , S. Sultansoy , M. Yilmaz

The 750-keV low-energy beam transport of the Los Alamos Neutron Science Center (LANSCE) linac consists of two independent beam lines that facilitate simultaneous injection of H+ and H- beams into the linear accelerator. The efficiency of…

Accelerator Physics · Physics 2018-10-17 Yuri K. Batygin

The Fermilab Linac delivers 400MeV, 25mA H$^-$; beam. The longitudinal bunch parameters are reconstructed using a Bunch Shape Monitor (BSM) installed in the middle of the Linac. For that, the bunch length is measured as a function of the…

Accelerator Physics · Physics 2025-09-18 R. Sharankova , J-P. Carneiro , E. Chen , A. Shemyakin

High power, relativistic electron beams from energy recovery linacs have great potential to realize new experimental paradigms for pioneering innovation in fundamental and applied research. A major design consideration for this new…

As the pre-injector of the LHC injector chain, the proton linac at CERN is required to provide a high-intensity (180mA) beam to the Proton Synchrotron Booster. The results of measurements at this intensity will be presented. Furthermore,…

Accelerator Physics · Physics 2007-05-23 C. E. Hill , A. Lombardi , R. Scrivens , M. Vretenar , A. Feschenko , A. Liou

The Fermilab Side-Coupled Linac accelerates H-beam from 116 MeV to 400 MeV through seven 805 MHz modules. Twelve wire scanners are present in the Side Coupled Linac and four are present in the transfer line between the Linac and the Booster…

Accelerator Physics · Physics 2024-09-05 E. Chen , R. Sharankova , A. Shemyakin , J. Stanton

Recirculating energy recovery linacs are a promising technology for delivering high power particle beams ($\sim$GW) while only requiring low power ($\sim$kW) RF sources. This is achieved by decelerating the used bunches and using the energy…

Accelerator Physics · Physics 2020-07-22 S. Setiniyaz , R. Apsimon , P. H. Williams

The construction of the initial part of a normally conducting linac for hydrogen ion beams with a pulsed current of ~20 mA up to an energy of ~70 MeV is considered. The RFQ at a frequency of ~160 MHz accelerates ions to an energy of ~4 MeV.…

Accelerator Physics · Physics 2023-09-21 V. V. Paramonov , A. P. Durkin , L. Yu. Ovchinnikova , I. V. Rybakov

Injected beam energy and energy spread are critical parameters affecting the performance of our rapid cycling synchrotron (RCS). A real-time energy monitoring system is being installed to examine the H- beam out of the Intense Pulsed…

Accelerator Physics · Physics 2009-09-25 J. C. Dooling , F. R. Brumwell , M. K. Lien , G. E. McMichael

The UNILAC was improved for high current performance by replacing the Wideroe prestripper accelerator by an RFQ and an IH-type DTL. In addition, one of two ion source terminals was equipped with high current sources of MUCIS- and…

Accelerator Physics · Physics 2016-09-08 L. Dahl , P. Spaedtke

"LUE200" - 200 MeV electron linac is being created at JINR as a driver of the pulsed neutron source "IREN" [1]. The special full-scale facilities for testing the main systems of LUE-200 (FSTF) are used at JINR, BINP, MEPhI and YerPhI [2].…

Accelerator Physics · Physics 2009-10-05 S. N. Dolya , W. I. Furman , V. V. Kobets , E. M. Laziev , Yu. A. Metelkin , V. A. Shvets , A. P. Soumbaev

Tests were performed to pass a 100 MeV, 430 kWatt c.w. electron beam from the energy-recovery linac at the Jefferson Laboratory's FEL facility through a set of small apertures in a 127 mm long aluminum block. Beam transmission losses of 3…

As a part of a feasibility study of using the Fermilab Electron Cooler for a low-energy Relativistic Heavy Ion Collider (RHIC) run at Brookhaven National Laboratory (BNL), the cooler operation at 1.6 MeV electron beam energy was tested in a…

Accelerator Physics · Physics 2012-07-26 Lionel Prost , Alexander Shemyakin , Alexei Fedotov , Jorg Kewisch

LINAC 4 is a normal conducting H- linac proposed at CERN to provide a higher proton flux to the CERN accelerator chain. It should replace the existing LINAC 2 as injector to the Proton Synchrotron Booster and can also operate in the future…

Accelerator Physics · Physics 2007-05-23 M. Baylac , J. M. De Conto , E. Froidefond , E. Sargsyan

In order to double the positron injection rate into the KEKB ring, a two-bunch acceleration scheme has been studied at the linac, in which bunches separated by 96 ns are accelerated in 50 Hz. In this scheme the stabilization of energy and…

Accelerator Physics · Physics 2010-11-15 K. Furukawa , N. Kamikubota , T. Suwada , T. Obata
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