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40 Inch Liquid Hydrogen Bubble Chamber, SLAC

40 inch liquid hydrogen bubble chamber at the Stanford Linear Accelerator, 1968. A bubble chamber is a vessel filled with a superheated transparent liquid (most often liquid hydrogen) used to detect electrically charged particles moving through it. The bubble chamber is similar to a cloud chamber, both in application and in basic principle. It is normally made by filling a large cylinder with a liquid heated to just below its boiling point. As particles enter the chamber, a piston suddenly decreases its pressure, and the liquid enters into a superheated, metastable phase. Charged particles create an ionization track, around which the liquid vaporizes, forming microscopic bubbles. Bubble density around a track is proportional to a particle's energy loss. Bubbles grow in size as the chamber expands, until they are large enough to be seen or photographed. SLAC National Accelerator Laboratory, originally named Stanford Linear Accelerator Center, is a U.S. Department of Energy National Laboratory operated by Stanford University under the programmatic direction of the U.S. Department of Energy Office of Science and located in Menlo Park, California. The SLAC research program centers on experimental and theoretical research in elementary particle physics using electron beams and a broad program of research in atomic and solid-state physics, chemistry, biology, and medicine using synchrotron radiation.

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Title:

40 Inch Liquid Hydrogen Bubble Chamber, SLAC

Caption:

40 inch liquid hydrogen bubble chamber at the Stanford Linear Accelerator, 1968. A bubble chamber is a vessel filled with a superheated transparent liquid (most often liquid hydrogen) used to detect electrically charged particles moving through it. The bubble chamber is similar to a cloud chamber, both in application and in basic principle. It is normally made by filling a large cylinder with a liquid heated to just below its boiling point. As particles enter the chamber, a piston suddenly decreases its pressure, and the liquid enters into a superheated, metastable phase. Charged particles create an ionization track, around which the liquid vaporizes, forming microscopic bubbles. Bubble density around a track is proportional to a particle's energy loss. Bubbles grow in size as the chamber expands, until they are large enough to be seen or photographed. SLAC National Accelerator Laboratory, originally named Stanford Linear Accelerator Center, is a U.S. Department of Energy National Laboratory operated by Stanford University under the programmatic direction of the U.S. Department of Energy Office of Science and located in Menlo Park, California. The SLAC research program centers on experimental and theoretical research in elementary particle physics using electron beams and a broad program of research in atomic and solid-state physics, chemistry, biology, and medicine using synchrotron radiation.

Credit:

Album / DOE/Science Source

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Image size:

3900 x 2834 px | 31.6 MB

Print size:

33.0 x 24.0 cm | 13.0 x 9.4 in (300 dpi)

Keywords:

1960S • 1968 • 20 20TH XX XXTH TWENTIETH CENTURY • 20 XX TWENTIETH CENTURY • 20TH CENTURY • 20TH • 40 INCH • 60 60'S DECADE SIXTY YEARS • 60 60'S DECADE YEARS SIXTY SIXTIES • 60S • AMERICA • AMERICAN • BUBBLE CHAMBER • BW • DEPARTMENT OF ENERGY • DOE • HISTORIC • HISTORICAL • HISTORY • LIQUID HYDROGEN BUBBLE CHAMBER • NATIONAL ACCELERATOR LABORATORY • PARTICLE CHAMBER • PARTICLE DETECTION • PARTICLE DETECTOR • PARTICLE PHYSICS • PHYSICS • RESEARCH • SCIENCE • SIXTIES • SIXTIES, THE • SLAC • STANFORD LINEAR ACCELERATOR CENTER • STANFORD LINEAR ACCELERATOR LABORATORY • STANFORD UNIVERSITY • TWENTIETH CENTURY • UNITED STATES • US • USA • YEARS DECADE'S SIXTY SIXTIES 60 60 1960