The ELENA facility.
- Bartmann W CERN, 1211 Geneva 23, Switzerland.
- Belochitskii P CERN, 1211 Geneva 23, Switzerland.
- Breuker H CERN, 1211 Geneva 23, Switzerland.
- Butin F CERN, 1211 Geneva 23, Switzerland.
- Carli C CERN, 1211 Geneva 23, Switzerland christian.carli@cern.ch.
- Eriksson T CERN, 1211 Geneva 23, Switzerland.
- Oelert W Johannes Gutenberg University Mainz, 55099 Mainz, Germany.
- Ostojic R CERN, 1211 Geneva 23, Switzerland.
- Pasinelli S CERN, 1211 Geneva 23, Switzerland.
- Tranquille G
- 2018-02-21
Published in:
- Philosophical transactions. Series A, Mathematical, physical, and engineering sciences. - 2018
English
The CERN Antiproton Decelerator (AD) provides antiproton beams with a kinetic energy of 5.3 MeV to an active user community. The experiments would profit from a lower beam energy, but this extraction energy is the lowest one possible under good conditions with the given circumference of the AD. The Extra Low Energy Antiproton ring (ELENA) is a small synchrotron with a circumference a factor of 6 smaller than the AD to further decelerate antiprotons from the AD from 5.3 MeV to 100 keV. Controlled deceleration in a synchrotron equipped with an electron cooler to reduce emittances in all three planes will allow the existing AD experiments to increase substantially their antiproton capture efficiencies and render new experiments possible. ELENA ring commissioning is taking place at present and first beams to a new experiment installed in a new experimental area are foreseen in 2017. The transfer lines from ELENA to existing experiments in the old experimental area will be installed during CERN Long Shutdown 2 (LS2) in 2019 and 2020. The status of the project and ring commissioning will be reported.This article is part of the Theo Murphy meeting issue 'Antiproton physics in the ELENA era'.
- Language
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- English
- Open access status
- bronze
- Identifiers
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- DOI 10.1098/rsta.2017.0266
- PMID 29459416
- Persistent URL
- https://folia.unifr.ch/global/documents/243090
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