scholarly journals Beam Optics Design of Stretcher Ring and Transfer Line for J-PARC Slow Extraction

2018 ◽  
Vol 1067 ◽  
pp. 042004
Author(s):  
Masahito Tomizawa ◽  
Akira Konaka ◽  
Ryotaro Muto ◽  
Toru Ogitsu
Keyword(s):  
Beam Optics ◽  
Slow Extraction ◽  
Transfer Line ◽  
Optics Design

A beam optics design of the interaction region for the CEPC single-ring scheme

2019 ◽  
Vol 34 (13n14) ◽  
pp. 1940007 ◽  
Author(s):  
Yiwei Wang ◽  
Xiaohao Cui ◽  
Jie Gao
Keyword(s):  
Interaction Region ◽  
Large Momentum ◽  
Beam Optics ◽  
Interaction Point ◽  
Correction Scheme ◽  
Local Correction ◽  
Single Ring ◽  
Strong Focusing ◽  
Momentum Acceptance ◽  
Optics Design

The interaction region is designed to provide strong focusing at the interaction point. A local correction scheme is adopted to get a large momentum acceptance. The interaction region consists of several modular sections. This paper presents the optics design of each section and its optimization. As an example, the optics design for the CEPC single-ring scheme is presented.

Beam Optics Design for the μSR Facility at the RAON Facility in Korea

2020 ◽  
Vol 77 (5) ◽  
pp. 438-442
Author(s):  
Kihong Pak ◽  
Junesic Park ◽  
Yong Hyun Kim ◽  
Hyeonjun Lee ◽  
Yong Kyun Kim ◽  
...  
Keyword(s):  
Beam Optics ◽  
Optics Design

scholarly journals The eRHIC spin rotator and the beam optics of the 400 MeV transfer line to RCS

2019 ◽  
Vol 34 (36) ◽  
pp. 1942014
Author(s):  
Nicholaos Tsoupas ◽  
Michael Blaskiewicz ◽  
Henry Lovelace ◽  
François Méot ◽  
Christoph Montag ◽  
...  
Keyword(s):  
Electron Accelerator ◽  
Longitudinal Direction ◽  
Heavy Ion ◽  
Beam Optics ◽  
Relativistic Heavy Ion Collider ◽  
Injection Point ◽  
Polarized Electrons ◽  
Electron Bunches ◽  
Transfer Line ◽  
Spin Rotator

The 400 MeV LINAC1 of the proposed eRHIC collider1 is the first acceleration stage of the 18 GeV electron accelerator. The second acceleration stage of the electron accelerator is the Rapid Cycling Synchrotron (RCS), which can increase the energy of the electron bunches to 18 GeV and subsequently extract transfer and inject the 18 GeV electron bunches into the 18 GeV electron Storage Ring (SR) to collide with the hadron bunches of the existing (Relativistic Heavy Ion Collider (RHIC)) accelerator. This paper describes the beam optics of the transfer line between the 400 MeV LINAC and the RCS accelerator (LtRCS). The function of the LtRCS line is twofold, first to transfer the electron beam from the exit of the 400 MeV LINAC to the injection point of the RCS1 and second to rotate the stable spin direction of the polarized electrons from the longitudinal direction to the vertical. A detailed description of the constraints to be satisfied by the LtRCS transfer line will be given. A section will also be devoted to discuss the spin rotator2.

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