With the demand for higher energy particle accelerators, facilities such as the Accelerator Test Facility (ATF) at Brookhaven are becoming increasingly important. The ATF provides experimenters with the equipment necessary for the advancement of accelerator technologies, with a view to develop smaller machines and more cost-effective methods of particle acceleration.
The ATF provides a very-high brightness electron beam to four beam lines, synchronized with high-power lasers. The electrons are produced by a photoinjector, whose photocathode is illuminated by a frequency quadrupled solid-state laser. The initial spatial and temporal structures of the electron beam are determined by the precisely controlled solid state laser pulses, which also synchronize the CO2 laser with the electrons. Two S-band (2856 MHz) frequency linear accelerator sections accelerate the electrons. The beam can be manipulated in the transport line to deliver it to one of the experimental locations in the experimental hall. There are more than 40 quadrupoles along 4 transport lines to tailor the beam to particular experiments. More than 50 high-resolution profile monitors measure the beam’s particle distribution.
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The carbon dioxide laser, installed at the ATF, is the only tera-watt picosecond laser available in the world for users. When the laser interacts with matter or particle beams, new strong-field physics phenomena are revealed and have been successfully exploited for electron and ion acceleration and x-ray generation. Such experiments have many applications in physics and other areas such as medicine and materials science.
The US LHC Accelerator Research Program enables U.S. accelerator specialists to take an active and important role in the LHC accelerator during its commissioning and operations, and to be a major collaborator in LHC performance upgrades. In particular, LARP will support U.S. institutions in LHC commissioning activities and accelerator science, accelerator instrumentation and diagnostics, and superconducting magnet R&D to help bring the LHC on and up to luminosity quickly, to help establish robust operation, and to improve and upgrade LHC performance. Furthermore, the work we do will be at the technological frontier and will thereby improve the capabilities of the U.S. accelerator community in accelerator science and technology to more effectively operate our domestic accelerators and to position the U.S. to be able to lead in the development of the next generation of high-energy colliders.
The Instrumentation Division develops state-of-the-art instrumentation required for experimental research programs at Brookhaven and maintains the expertise and facilities in specialized high technology areas essential for this work. Development of facilities is motivated by present Brookhaven research programs and anticipated future directions of BNL research. The Division’s research efforts also have a significant impact on programs throughout the world that rely on state-of-the-art radiation detectors and readout electronics.
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The Superconducting Magnet Division built the more than 2,000 superconducting magnets that constitute the RHIC accelerator. The Division has built smaller numbers of magnets for the Large Hadron Collider (CERN) and for electron-positron colliders in China and Japan. The Division has also built magnets for other applications, such as energy storage (Superconducting Magnet Energy System) and leading magnet resonance imagine (MRI) studies.
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