Los Alamos National Laboratory TA-53

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www.lansce.lanl.gov/
Technical Area 53 [Los Alamos Neutron Science Center (LANSCE)] was originally developed as the Clinton P. Anderson Meson Physics Facility (also called the Los Alamos Meson Physics Facility). Recently, the facility was renamed the Los Alamos Neutron Science Center (LANSCE) to reflect the programs currently carried out at TA-53.
The Los Alamos Meson Physics Facility was first proposed in 1962 for research into subatomic particles and physics. Congress funded the concept three years later, and construction was completed in 1970. Today, the facility is one of the largest research accelerators in the world; the accelerator itself generates a proton beam more intense than that combined from all comparable accelerators in the world. Researchers from 300 institutions from the United States and more than 30 other countries provide input to the goals and policies governing the facility.
LANSCE currently supports both basic and applied research programs. Basic research has included studies of subatomic and particle physics, atomic physics, neutrinos, and the chemistry of subatomic interactions. Applied research programs include the production of radioisotopes for medical research and use, materials science studies that use neutron spallation, and contributions to defense programs such as stockpile stewardship and the production of tritium. LANSCE also supports programs for accelerator-related technologies such as radiofrequency power sources, high-power microwaves, and free-electron lasers.
TA-53 occupies a 750-acre (304-ha) mesa top, which has approximately 400 buildings and other structures and houses about 800 personnel. This population can increase by several hundred when the linear accelerator is in operation as visiting scientists from around the globe come to Los Alamos to monitor and participate in experiments. Site workers are protected by shielding, fencing, access controls and sweep procedures, beam shutoff mechanisms, monitoring devices and dosimetry, posted safety information, training, administrative controls, and emergency response mechanisms. Restricted site access, site isolation, and on- and off-site monitoring provide additional protection for the public. Shielding, containment, isolation, and safe storage procedures for hazardous or activated materials—together with drainage and waste treatment systems, stack filtering, and emergency response and cleanup procedures—provide protection for the environment.
LANSCE programs and activities are housed in three kinds of buildings. The first is the linear accelerator building itself (Building 3). The second houses experimental areas and laboratories. The high-energy proton beam is transported from the accelerator building to six of the experimental areas; several experimental areas exist. These buildings house the large, complex, state-of-the-art instrumentation and equipment needed for the basic and applied research conducted at TA-53. The third houses the experimental support operations and advanced technology programs.