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The International Linear Collider > The International Linear Collider - Pg. 169

EPG in Mega Projects, Joint Ventures, and Alliances 169 Linear Collider (ILC), operating concurrently with the Large Hadron Collider at CERN. Based on the input from the communities, the group constructed a road map identifying the major scientific questions expected to define the frontiers of elementary particle physics during the next 20 to 30 years and re- lated them to potential new major accelerator facilities. 9 The agreement among physicists on the linear collider as the next step suggested to the group that there was a powerful argument for the communities to establish global scien- tific and technical coordination mechanisms. A major consensus existed among the interested parties regarding a com- mon scientific quest: to discover the composition of matter down to its most miniscule elements. This objective requires having subatomic particles collide with one another at nearly the speed of light and then examine the results. The purpose of the ILC is to obtain measurements of the collision of accelerated electrons and positrons with great accuracy through the use of detectors. The scientific network participating on the conception effort consists of about 1,000 scientists and engineers from 100 countries. The project organization should be designed so that all participants con- sider themselves integral parts of the common project, as having a strong stake in its success and appropriate influence on its decision-making processes and the selection of members of its various bodies. The structure should be ro- bust, with clear lines of authority and responsibility, covering technical and administrative aspects of the project activities. The International Committee for Future Accelerators (ICFA), created in 1976 to facilitate international col- laboration in the construction and use of accelerators for high-energy physics, was put in charge of this initial step to formulate a robust business case. An ILC steering committee was formed with the role of defining the scope and pri- mary parameters for the accelerator and detectors, monitoring the R&D activi- ties, making recommendations on coordination, and sharing information. The steering committee established a Program Advisory Committee (PAC) to as- sist with the oversight of the detectors. The Global Design Effort (GDE) team, headed by Barry Barish, was responsible for setting the strategy, priorities, and coordination of the work of hundreds of scientists and engineers at universities American Management Association