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From page 118... ... effort in particle physics has been without a compelling, clearly articulated, and widely held strategic vision since the cancellation of the Superconducting Super Collider, and the lack of such a vision has now become critical. The committee's recommended agenda for the U.S. Read the entire page →
From page 119... ... It also is important to keep in mind the strategic principles outlined in Chap ter 4. In particular, it is important to recall the strategic necessity of mounting, regardless of budgetary constraints, a comprehensive program that reflects a di versity of scientific opportunities and approaches to the scientific challenges facing particle physics. Read the entire page →
From page 120... ... particle physics program during the coming decade. The LHC is scheduled for start-up in 2007 at CERN and will be at the center of exciting developments in elementary particle physics over at least the next 15 years. Read the entire page →
From page 121... ... The highest priority for the U.S. national effort in elementary particle physics should be to continue as an active partner in realizing the physics potential of the LHC experimental program. Read the entire page →
From page 122... ... This time frame is compatible with the expected start-up date of the LHC and with the conclusion of current accelerator-based experimental programs in the United States. 1See, for example, LHC/ILC Study Group, Physics Interplay of the LHC and ILC, 2004, available online at (last accessed February 1, 2006) Read the entire page →
From page 123... ... The committee believes strongly that it is in the best long-term interests of the U.S. program in particle physics to make a significant investment in this R&D program and to become a leading center for ILC R&D well before a construction decision is made. Read the entire page →
From page 124... ... The ILC project has been conceived and planned in a manner very different from the Superconducting Supercollider (SSC) project of the late 1980s and early 1990s. Read the entire page →
From page 125... ... The nation to host the ILC will require a substantial number of highly trained accelerator physicists, engineers, and technicians to operate the facility. The ILC will be one of the world's premier training facilities for bright young people enter ing accelerator and particle physics. Read the entire page →
From page 126... ... particle physics program has to occupy a distinct position of leadership over the next decade and beyond. Action Item 3: The Path Forward for the ILC. Read the entire page →
From page 127... ... Reliance on annual federal appropriations to finance these costs could require a significant increase in the annual budget for the U.S. particle physics program when construction begins. Read the entire page →
From page 128... ... particle physics program are aggressive support for the LHC and ILC programs. In the peak years of the planning and R&D for the ILC accelerator and detectors, support for the LHC and ILC experimental programs will demand a large fraction of the U.S. Read the entire page →
From page 129... ... Action Item 4: Coordination of Efforts at the Interface of Particle Physics, Astrophysics, and Cosmology. Scientific priorities at the interface of par ticle physics, astrophysics, and cosmology should be determined through a mechanism jointly involving NSF, DOE, and NASA, with emphasis on DOE and NSF participation in projects where the intellectual and technological capabilities of particle physicists can make unique contributions. Read the entire page →
From page 130... ... Since current commitments from the particle physics budgets to opportuni ties at the interface are relatively modest compared to the full particle physics program, it is the sense of the committee that they should be built up to two to three times their current level. Finding 5: Probes of Neutrinos and Proton Decay. Read the entire page →
From page 131... ... Neutrinoless double-beta decay and proton decay experiments are examples of projects that could take advantage of such a facility. Action Item 5: A Staged Neutrino and Proton Decay Research Program. Read the entire page →
From page 132... ... The objective of investigating the feasibility of a joint program is not simply to avoid unnecessary overlap or duplication of experiments. Rather, in the con strained budget environment facing the international particle physics community, it is to explore whether pooling resources can lead to a more robust scientific program and achieve key experimental results more quickly. Read the entire page →
From page 133... ... U.S. participation in large-scale, high-precision experiments that probe particle physics beyond the Standard Model should continue, but the level of sup port that can be sustained will have to be very sensitive to the overall budget picture. Read the entire page →
From page 134... ... In this more pessimistic case, the committee still recommends that the highest priority be participation in the LHC and the ILC programs over the next 5 years, so that the U.S. particle physics program could provide U.S.-based scientists and students with opportunities to participate in the most exciting aspects of elementary particle physics. Read the entire page →
From page 135... ... Under this scenario, operation of a facility on the scale of ILC would probably not require additional funding, though additional support during construction might still be needed. REALIZING THE STRATEGIC VISION FOR ELEMENTARY PARTICLE PHYSICS As some important elementary particle physics experiments at U.S. Read the entire page →
From page 136... ... The Physics 2010 project will include reports on atomic, molecular, and optical science; plasma physics; condensed matter and materials physics; elementary particle physics; and nuclear physics. The Committee on Elementary Particle Physics in the 21st Century undertook the preparation of this volume, the first of this series. Read the entire page →
From page 137... ... Appendixes 137 Read the entire page →

From page 118...

... effort in particle physics has been without a compelling, clearly articulated, and widely held strategic vision since the cancellation of the Superconducting Super Collider, and the lack of such a vision has now become critical. The committee's recommended agenda for the U.S.