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A new CLIC Test Facility (CTF3) at CERN will serve to study the drive beam generation for the Compact Linear Collider (CLIC). CTF3 has to accelerate a 3.5 A electron beam in almost fully-loaded structures. The pulse contains more than 2000…

Accelerator Physics · Physics 2010-11-15 D. Schulte

High brightness electron accelerators, such as energy recovery linacs (ERL), often have complex particle distributions that can create difficulties in beam transport as well as matching to devices such as wigglers used to generate radiation…

Over the last years, the generation and acceleration of ultra-short, high quality electron beams has attracted more and more interest in accelerator science. Electron bunches with these properties are necessary to operate and test novel…

The upgrade of the normal conducting (NC) Radioactive Ion Beam EXperiment (REX)-ISOLDE heavy ion accelerator at CERN, under the High Intensity and Energy (HIE)-ISOLDE framework, proposes the use of superconducting (SC) quarter-wave…

Accelerator Physics · Physics 2009-06-20 M. A. Fraser , M. Pasini , R. M. Jones , M. Lindroos

Precise and accurate measurements of the beam energy delivered to the experimental halls at the Thomas Jefferson Accelerator Facility (Jefferson Lab) is required by many experiments for proper data analysis and physics event reconstruction.…

Accelerator Physics · Physics 2021-10-15 S. N. Santiesteban , L. Tracy , D. Flay , D. W. Higinbotham , D. Marchand , P. Vernin , A Saha

The use of bremsstrahlung photons produced by a linac to induce photonuclear reactions is wide spread. However, using a clinical linac to produce the photons is a new concept. We aimed to induce photonuclear reactions on zinc isotopes and…

Instrumentation and Detectors · Physics 2015-09-23 I. Boztosun , H. Đapo , M. Karakoç , S. F. Özmen , Y. Çeçen , A. Çoban , T. Caner , E. Bayram , T. R. Saito , T. Akdoğan , V. Bozkurt , Y. Kuçuk , D. Kaya , M. N. Harakeh

Crossing a horizontal nonlinear resonance is the approach that can be used to split a beam in several beamlets with the goal to perform multi-turn extraction from a circular particle accelerator. Such an approach has been successfully…

Accelerator Physics · Physics 2022-11-29 G. Russo , F. Cerutti , L. S. Esposito , G. Franchetti , M. Giovannozzi , J. R. Hunt , A. Huschauer

We outline the design of beam experiments for the electron linac at the Fermilab Accelerator Science and Technology (FAST) facility and for the Integrable Optics Test Accelerator (IOTA), based on synchrotron light emitted by the electrons…

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

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 second phase accelerator for the Dual Axis Hydrodynamic Test facility (DARHT) is designed to provide an electron beam pulse that is 2 microsec long, 2kA, and 20 MeV in particle energy. The injector provides 3.2 MeV so that the linac…

Accelerator Physics · Physics 2007-05-23 HL Rutkowski , LL Reginato , WL Waldron , KP Chow , MC Vella , WM Fawley , R Briggs , S Nelson , Z Wolf , D Birx

The CLIC linear collider aims at accelerating multiple bunches of electrons and positrons and colliding them at a centre of mass energy of 3 TeV. These bunches will be accelerated through X-band linacs, operating at an accelerating…

Accelerator Physics · Physics 2014-11-18 V. Khan , R. M. Jones

The BaBar experiment and the PEP-II accelerator at SLAC started to take data on May 26, 1999. By the time of this conference, the recorded integrated luminosity was 20 fb^{-1}, of which 8 fb^{-1} were analyzed to provide a first set of…

High Energy Physics - Experiment · Physics 2010-11-23 G. Sciolla , representing the The BABAR Collaboration

Electron beam induced current (EBIC) is a powerful characterization technique which offers the high spatial resolution needed to study polycrystalline solar cells. Ideally, an EBIC measurement reflects the spatially resolved quantum…

Materials Science · Physics 2014-09-26 Paul M. Haney , Heayoung P. Yoon , Prakash Koirala , Robert W. Collins , Nikolai B. Zhitenev

The KEK 8-GeV electron / 3.5-GeV positron linac has been operated with very different beam specifications for downstream rings, KEKB, PF and PF-AR. For the reliable operation among these beam modes intelligent beam switching and beam…

Accelerator Physics · Physics 2018-09-10 K. Furukawa , A. Enomoto , N. Kamikubota , T. Kamitani , T. Matsumoto , Y. Ogawa , S. Ohsawa , K. Oide , T. Suwada

Suppression of beam losses is essential for successful operation of high-intensity linac. Historically, the values of the field amplitudes and phases of the side-coupled, 805-MHz LANSCE linac modules are maintained using a well-known…

Accelerator Physics · Physics 2020-02-26 Y. K. Batygin , F. E. Shelley , H. A. Watkins

The Side-Coupled Linac (SCL) section of the FNAL linac accelerates the beam from 117 MeV to 401.5 MeV, operating at 22-24 mA beam current. Transverse focusing is performed by 32 quadrupoles, and the beam orbit is guided by 19 dipole…

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

Scatter can account for large errors in cone-beam CT (CBCT) due to its wide field of view, and its complicated nature makes its compensation difficult. Iterative polyenergetic reconstruction algorithms offer the potential to provide…

Medical Physics · Physics 2020-01-13 Jonathan H. Mason , Alessandro Perelli , William H. Nailon , Mike E. Davies

In 2008 the Cornell Electron/Positron Storage Ring (CESR) was reconfigured from an electron/positron collider to serve as a testbed for the International Linear Collider (ILC) damping rings. One of the primary goals of the CESR Test…

Accelerator Physics · Physics 2015-06-17 James Shanks , Dave Rubin , David Sagan