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Server Time:
2024-03-29 15:34:38
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Location DB >
United States >
California >
Berkeley >
Bevalac Synchrotron
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Publically Viewable |
This location has been labeled as Demolished, and therefore can be viewed by anyone.
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A large round building houses the Bevalac storage ring, an igloo-like structure made of large shielding blocks. An adjacent high bay (the External Proton Beam Hall) at one time housed the various targets and detectors where the particle beam "ended". A nearby building (now used by Life Sciences) at one time housed a 50 MeV proton injector (which was used when protons were required, rather than heavy ions from the SuperHILAC).
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Type: Building
Status: Demolished
Accessibility: Difficult
Recommendation: drop everything - must see
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asbestos rust unsafe flooring air quality radiation, lead
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The Bevalac is a synchrotron located "on the hill" above the University of California Berkeley campus. It is part of the Lawrence Berkeley National Laboratory, a U.S. Department of Energy lab. A synchrotron is a type of particle accelerator. This particular one was built in 1954 at a cost of $9 million, and is 180 ft. in diameter. It was initially "fed" by a 10MeV LINAC (MeV = "million electron volt", LINAC = "linear accelerator"). This was subseqently replaced by a 19MeV LINAC (shut down, but still in place), a 50MeV LINAC (parts can still be found behind locked doors), and the SuperHILAC (still there). This site is living history, especially for those with an interest in high-energy physics. It was used in research that resulted in four Nobel prizes, and many discoveries in physics and medicine (including the discovery of antimatter).
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fences barbed wire razor wire 24 hour guard locked gates Located at an active DOE lab. Access is gated and controlled.
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flashlight gloves head protection long pants / sleeves LBNL creds, radiation safety training, entry authorization
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The Bevalac started life as the Bevatron in 1954 (the "Bev" in "Bevatron" standing for "billion electron volts" - BeV). At the time, it was the world's largest particle accelerator, capable of accelerating a beam of protons and charging the particles to 6.2 BeV. In 1974, at the age of 20, the Bevatron was at the end of its useful life for research. It was "saved" when a proposal to convert it to a heavy ion accelerator was acted on - this would allow it to accelerate all elements on the periodic table to relativistic energies. The SuperHILAC linear accelerator located 550 ft. up the hill above the Bevatron was linked, replacing the Bevatron's own linear accelerator. This linkage renamed the Bevatron to the Bevalac. The first beams were produced on August 1, 1974. The Bevalac ceased operations when the beam was turned off for the last time on February 21, 1993.
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The Bevalac occupies some prime real estate at the crowded Lawrence Berkeley National Laboratory. It is slowly and carefully being demolished.
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The moderator rating is a neutral rating of the content quality, photography, and coolness of this location.
Category |
Rating |
Photography |
7 / 10 |
Coolness |
9 / 10 |
Content Quality |
9 / 10 |
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This location's validation is current. It was last validated by
Emperor Wang on 7/8/2022 10:15 PM.
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on Jul 8 22 at 22:15, Emperor Wang validated this location on Jul 8 22 at 22:15, Emperor Wang changed the following: Display Name, History, Interesting Features on Jul 8 22 at 0:06, Ruins-the-Moment changed the following: Status on Mar 26 09 at 5:06, Steed validated this location on Mar 26 09 at 3:15, CrazyMinerBob changed the following: Hazards, Security Measures, Required Equipment on Aug 1 07 at 1:42, Emperor Wang validated this location on Jun 4 07 at 15:37, CrazyMinerBob updated gallery Injector control room on Jun 4 07 at 15:36, CrazyMinerBob updated gallery picture Back rack (left) on Jun 4 07 at 15:35, CrazyMinerBob updated gallery picture Main panel on Jun 4 07 at 15:34, CrazyMinerBob updated gallery picture Third door
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