File:U.S. Department of Energy - Science - 278 001 006 (16517740811).jpg
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Summary
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THE EMPEROR TANDEM DEGRAAFF ACCELERATOR IN THE VAULT OF THE A W WRIGHT NUCLEAR STRUCTURE LABORATORY AT YALE UNIVERSITY. THE BLUE TANK (80 FEET LONG AND 18 FEET IN INTERNAL DIA- METER) HOUSES THE HIGH VOLTAGE ELECTRODES USED IN ACCELERATING NUCLEAR PROJECTILES TO VERY HIGH VELOCITIES (TYPICALLY 500 MILLION MILES PER HOUR). AFTER LEAVING THE MAIN ACCELERATOR TANK THE PROJECTILE BEAM TRAVELS SOME 300 FEET BE- FORE STRIKING THE TARGETS UNDER STUDY IN RESEARCH AREAS CAREFULLY SHIELDED FROM THE ACCELERATOR VAULT. THE MAGNET AT THE EXTREME LEFT OF THE PHOTO IS THE FIRST OF THOSE USED TO SHAPE THE PROJECTILE BEAM CHARACTERISTICS AND IS A LENS WITH CONTINUOUSLY AND REMOTELY VARIABLE FOCAL LENGTH AND ASTIGMATISM. THE PLUMBING BELOW THE BEAM LINE IS PART OF THAT INSTALLED THROUGHOUT THE LABORATORY TO CARRY LIQUID NITROGEN, AT MINUS 200 DEGREE CELSIUS TO THE MANY LOCATIONS WHERE BAFFLES MUST BE MAINTAINED AT THIS TEMPERATURE TO PREVENT MERCURY OR OIL FROM MIGRATING FROM VACUUM PUMPS INTO THE ACCELERATOR OR RESEARCH VACUUM SYSTEMS.
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| Date | |
| Source | 278 001 006 |
| Author | U.S. Department of Energy from United States |
Licensing
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This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag.
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This image was originally posted to Flickr by U.S. Department of Energy at https://flickr.com/photos/37916456@N02/16517740811. It was reviewed on 22 November 2017 by FlickreviewR 2 and was confirmed to be licensed under the terms of the United States Government Work. |
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| current | 00:32, 22 November 2017 | | 3,200 × 2,560 (711 KB) | Rudolphous (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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