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Design of the SSC medium-beta Interaction Regions

Description: In the SSC design the 87.12 km long collider lattice consists of two 35.28 km identical arcs located on the North and South sides of the machine and two 8.28 km clusters placed on the West and on the East. Each cluster contains two Interaction Regions (IRs), the Utility section and the interconnect sections between them. According to present plans the goal for the optics in the East IRs is to provide for a high value of the luminosity and, hence, for a low {beta} at the Interaction Point (IP). The West IRs are aimed at providing for a large space for detector which can be achieved at the cost of higher value of the {beta} and lower luminosity. The optics of each IR are based on the same optical configuration which gives an opportunity to use mostly identical quadrupoles and dipoles in four IRs. Trivial modification of the central region in this basic configuration allows for a wide range of values for detector free space from L = 20 m to L = 90 m, suitable for the experiments in both clusters. L denotes here the distance between the IP and the nearest magnetic element of the machine. In this paper we briefly review the current design of the so-called medium-{beta} IR optics with a large free space for detector of L = 90 m, which could be used in the West cluster.
Date: June 1, 1993
Creator: Nosochkov, Y. M.
Partner: UNT Libraries Government Documents Department

Simulation of the ILC Collimation System using BDSIM, MARS15 and STRUCT

Description: The simulation codes BDSIM, MARS15 and STRUCT are used to simulate in detail the collimation section of the International Linear Collider (ILC). A comparative study of the collimation system performance for the 250 x 250 GeV machine is conducted, and the key radiation loads are calculated. Results for the latest ILC designs are presented together with their implications for future design iterations.
Date: July 12, 2006
Creator: Carter, J.; Agapov, I.; Blair, G.A.; Deacon, L.; /Royal Holloway, U. of London; Drozhdin, A.I. et al.
Partner: UNT Libraries Government Documents Department