HERA was a particle accelerator at the DESY laboratory in Hamburg that operated from 1992 until 30 June 2007, colliding electrons or positrons with protons at a center of mass energy of 320 giga electron volts. It remains the only lepton proton collider built to date, and its work on the structure of protons and the properties of quarks laid groundwork later built upon by the Large Hadron Collider at CERN.
Facts
SignificanceUsed mainly to study the structure of protons and the properties of quarks, laying the foundation for much of the science done at the Large Hadron Collider 1 Classification
StatusRetired or Decommissioned 1 FAQs
What happened to HERA and its equipment after it shut down in 2007?
Its main pre-accelerator, PETRA, became the PETRA III synchrotron radiation source.
Part of the complex was reused rather than simply scrapped. HERA was shut down on 30 June 2007 and its four experiments were dismantled. Its main pre-accelerator, PETRA, was converted into a synchrotron radiation source that has operated as PETRA III since 2009.
Sources
1. HERA (particle accelerator) - Wikipedia
Intro, sentence 2
operated from 1992 to 30 June 2007
Intro, paragraph 2
HERA was used mainly to study the structure of protons and the properties of quarks
status sentence
HERA was a particle accelerator at the DESY laboratory in Hamburg that operated from 1992 until 30 June 2007, colliding electrons or positrons with protons at a center of mass energy of 320 giga electron volts.
In Group: Particle Colliders, Introduction
HERA (German: Hadron-Elektron-Ringanlage, English: Hadron-Electron Ring Accelerator) was a particle accelerator at DESY in Hamburg.
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