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Correction of the Chromaticity up to Second Order for MEIC

Description: The proposed electron collider lattice exhibits low β- functions at the Interaction Point (IP) (βx∗100mm − βy∗ 20 mm) and rather large equilibrium momentum spread of the collider ring (δp/p = 0.00158). Both features make the chromatic corrections of paramount importance. Here the chromatic effects of the final focus quadruples are cor- rected both locally and globally. Local correction features symmetric sextupole families around the IP, the betatron phase advances from the IP to the sextupoles… more
Date: March 1, 2010
Creator: H. K. Sayed, S.A. Bogacz, P. Chevtsov
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Spin Rotator Optics for MEIC

Description: A unique de­sign fea­ture of a po­lar­ized Medi­um En­er­gy Elec­tron-Ion Col­lid­er (MEIC) based on CEBAF is its 'Fig­ure-8' stor­age rings for both elec­trons and ions, which sig­nif­i­cant­ly sim­pli­fies beam po­lar­iza­tion main­te­nance and ma­nip­u­la­tion. While elec­tron (positron) po­lar­iza­tion is main­tained ver­ti­cal in arcs of the ring, a sta­ble lon­gi­tu­di­nal spin at four col­li­sion points is achieved through solenoid based spin ro­ta­tors and hor­i­zon­tal orbit bends. The… more
Date: March 1, 2010
Creator: H. K. Sayed, S.A. Bogacz, P. Chevtsov
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Lattice design for the ERL electron ion collider in RHIC

Description: We present electron ion collider lattice design for the Relativistic Heavy Ion Collider (eRHIC) where the electrons have multi-passes through recirculating linacs (ERL) and arcs placed in the existing RHIC tunnel. The present RHIC interaction regions (IR's), where the electron ion collisions will occur, are modified to allow for the large luminosity. Staging of eRHIC will bring the electron energy from 4 up to 20 (30) GeV as the superconducting cavities are built and installed sequentially. The… more
Date: May 23, 2010
Creator: Trbojevic, D.; Beebe-Wang, J.; Tsoupas, N.; Chang, X.; Kayran, D.; Ptitsyn, V. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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