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{{no footnotes|date=April 2016}}{{Redirect|LEAR|the historic Mexican communist organization|Liga de Escritores y Artistas Revolucionarios}}{{Short description|Former CERN infrastructure}}
{{no footnotes|date=April 2016}}{{Redirect|LEAR|the historic Mexican communist organization|Liga de Escritores y Artistas Revolucionarios}}{{Short description|Former CERN infrastructure}}
{{Antimatter_facilities}}
{{Antimatter_facilities}}
The '''Low Energy Anti-Proton Ring''' ('''LEAR''') was a particle accelerator at [[CERN]] which operated from 1982 until 1996. The ring was designed to decelerate and store [[antiproton]]s, to study the properties of antimatter and to create atoms of [[antihydrogen]]. Antiprotons for the ring were created by the CERN [[Proton Synchrotron]] via the [[Antiproton Collector]] and the [[Antiproton Accumulator]]. The creation of at least 9 atoms of antihydrogen were confirmed by the [[PS210 experiment]] in 1995. In 1996, LEAR was converted into the [[Low Energy Ion Ring]], which has since been used in the [[lead]] [[ion]] injection process for the [[Large Hadron Collider]].
The '''Low Energy Anti-Proton Ring''' ('''LEAR''') was a particle accelerator at [[CERN]] which operated from 1982 until 1996. <ref name=":0">{{Cite web|title=The Low Energy Antiproton Ring|url=https://home.cern/science/accelerators/low-energy-antiproton-ring|access-date=2021-08-17|website=CERN|language=en}}</ref>The ring was designed to decelerate and store [[antiproton]]s, to study the properties of antimatter and to create atoms of [[antihydrogen]].<ref>{{Cite web|date=2001-02-22|title=The History fo Antimatter - The Accelerator Era|url=https://web.archive.org/web/20010222023926/http://livefromcern.web.cern.ch/livefromcern/antimatter/history/AM-history02-c.html|access-date=2021-08-17|website=web.archive.org}}</ref> Antiprotons for the ring were created by the CERN [[Proton Synchrotron]] via the [[Antiproton Collector]] and the [[Antiproton Accumulator]]. The creation of at least 9 atoms of antihydrogen were confirmed by the [[PS210 experiment]] in 1995.


Low energy antiproton research continues at CERN using the [[Antiproton Decelerator]]. It was built as a successor for LEAR and started operation in 2000.
In 1996, LEAR was converted into the [[Low Energy Ion Ring]], which has since been used in the [[lead]] [[ion]] injection process for the [[Large Hadron Collider]].<ref name=":0" /><ref>{{Cite journal|last=Katarina Anthony|date=2012|title=LEAR: a machine ahead of its time|url=https://cds.cern.ch/record/1454240?ln=en|journal=CERN Bulletin|language=en}}</ref> Low energy antiproton research continues at CERN using the [[Antiproton Decelerator]]. It was built as a successor for LEAR and started operation in 2000.<ref>{{Cite web|title=The Antiproton Decelerator|url=https://home.cern/science/accelerators/antiproton-decelerator|access-date=2021-08-17|website=CERN|language=en}}</ref>


== References ==
== References ==

Revision as of 05:40, 17 August 2021

Antimatter facilities
Low Energy Antiproton Ring (1982–1996)
Antiproton AccumulatorAntiproton production
Antiproton CollectorDecelerated and stored antiprotons
Antimatter Factory (2000–present)
Antiproton Decelerator (AD)Decelerates antiprotons
Extra Low Energy Antiproton ring (ELENA)Decelerates antiprotons received from AD

The Low Energy Anti-Proton Ring (LEAR) was a particle accelerator at CERN which operated from 1982 until 1996. [1]The ring was designed to decelerate and store antiprotons, to study the properties of antimatter and to create atoms of antihydrogen.[2] Antiprotons for the ring were created by the CERN Proton Synchrotron via the Antiproton Collector and the Antiproton Accumulator. The creation of at least 9 atoms of antihydrogen were confirmed by the PS210 experiment in 1995.

In 1996, LEAR was converted into the Low Energy Ion Ring, which has since been used in the lead ion injection process for the Large Hadron Collider.[1][3] Low energy antiproton research continues at CERN using the Antiproton Decelerator. It was built as a successor for LEAR and started operation in 2000.[4]

References


  1. ^ a b "The Low Energy Antiproton Ring". CERN. Retrieved 2021-08-17.
  2. ^ "The History fo Antimatter - The Accelerator Era". web.archive.org. 2001-02-22. Retrieved 2021-08-17.
  3. ^ Katarina Anthony (2012). "LEAR: a machine ahead of its time". CERN Bulletin.
  4. ^ "The Antiproton Decelerator". CERN. Retrieved 2021-08-17.