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PETRA III Speeds 1st Beam

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HAMBURG, Germany, April 17, 2009 – The new synchrotron radiation source PETRA III accelerated its first beam Thursday, according to DESY, the largest research center for particle physics in Germany. At 10:14 a.m. local time, the positron bunches were injected and stored in the 2.3-km accelerator for the first time, concluding the two-year conversion of the PETRA storage ring into the PETRA III, the most brilliant storage-ring-based x-ray source in the world, officials said. The 5.8-ton PETRA III undulator is lifted into its place. All beamlines are being equipped with so-called undulators: long magnet arrangements...Read full article

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    Published: April 2009
    Glossary
    beam
    1. A bundle of light rays that may be parallel, converging or diverging. 2. A concentrated, unidirectional stream of particles. 3. A concentrated, unidirectional flow of electromagnetic waves.
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    radiation
    The emission and/or propagation of energy through space or through a medium in the form of either waves or corpuscular emission.
    synchrotron
    A synchrotron is a type of particle accelerator that uses magnetic fields to steer charged particles, typically electrons or positrons, in a closed, circular or elliptical path. The name synchrotron refers to the synchronization of the accelerating electric field with the increasing particle velocity as they move in a circular path. Synchrotrons are powerful tools used in various scientific and industrial applications, particularly in the generation of intense beams of synchrotron radiation. ...
    wavelength
    Electromagnetic energy is transmitted in the form of a sinusoidal wave. The wavelength is the physical distance covered by one cycle of this wave; it is inversely proportional to frequency.
    atomicBasic SciencebeambiologistsBiophotonicsDESYEdgar WeckertgluonHERAindustrialmagnetsMaterialsnanoNews & Featuresparticleparticle acceleratorPETRA IIIphotonicsphysicsproteinradiationringspeed of lightstorage ringsynchrotronwavelengthx-ray

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