Overview of Fermilab's Tevatron Accelerator Facility
The Fermilab Tevatron was once a powerful particle accelerator in the US, known for significant discoveries such as the Top Quark. Currently, the Tevatron is effectively mothballed for safety reasons, with measures taken to secure the facility. This includes removing cryogens, disconnecting power supplies, and purging magnets with dry air. While the facility could potentially be restarted, it currently supports a lower priority program. Updates have been made to documentation and safety protocols, with plans for further migrations and modifications. Despite being inactive for beam operations, safety interlock systems remain in place.
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Fermilab Tevatron Status John E. Anderson Jr. 2014 Accelerator Safety Workshop 7 August 2014
Tevatron Facts Fermilab Tevatron Once the most powerful particle accelerator in the United States and the second most powerful particle accelerator in the world Used for 800 GeV fixed target and ~1 TeV proton-antiproton colliding beam experiments Machine comprised of over 1,000 superconducting magnets Tunnel is buried 25 feet belowground has a radius of 1,000 m circumference of 6,283 m or ~ 4 miles Tunnel size is 10 feet wide and 8 feet high Machine credited with the discovery of Top Quark in 1995 2 John E. Anderson Jr.| Fermilab Tevatron Status 7 August 2014
Tevatron Status Tevatron is effectively mothballed Machine has been made safe by Removing cryogens Removing connections to the six main power supplies Removing all voltage from instrumentation sources Magnets are in place being purged with dry air Some equipment has been removed for new experiments or used as spares for other accelerator systems A portion of the enclosure is used to support the 120 GeV Fixed Target Program Utilities maintained as a low priority Lighting, sump pumps, etc. Although difficult, machine could be restarted 3 John E. Anderson Jr.| Fermilab Tevatron Status 7 August 2014
Fermilab Accelerator Facility 4 John E. Anderson Jr.| Fermilab Tevatron Status 7 August 2014
Tevatron Enclosure 5 John E. Anderson Jr.| Fermilab Tevatron Status 7 August 2014
Tevatron SAD and ASE Tevatron covered under its existing SAD Tevatron SAD scheduled for migration into new chapter format in FY15 Plan is to document current state of the machine ASE was modified in April 2013 to remove the Administrative Credited Control for the Beam Intensity Limits Tevatron is not authorized for any beam operations Radiation Safety Interlock Systems still in place Routine surveillance suspended until needed ODH Monitoring systems decommissioned Hardware has been left in place 6 John E. Anderson Jr.| Fermilab Tevatron Status 7 August 2014
Future Use Numerous physics proposals for future experiments continue to be submitted to use portions of the enclosure including kaon decay, muon and e+e- research Repurposing C0 Collision and Assembly Hall being repurposed for radioactive target and horn repair and storage Short term storage bays for hot components Hot cell for repairs and disassembly of components Long term storage area for items awaiting disposal Repurposing process represents a significant opportunity for the accelerator community 7 John E. Anderson Jr.| Fermilab Tevatron Status 7 August 2014
