
TL;DR
The ELENA project at CERN is a new low-energy antiproton ring designed to enhance antimatter research, enabling more precise experiments on anti-hydrogen and addressing fundamental questions about matter-antimatter asymmetry.
Contribution
This paper introduces the ELENA project, a novel 30-meter ring at CERN that decelerates antiprotons to facilitate advanced antimatter experiments.
Findings
Construction of the ELENA ring approved in 2011
ELENA will decelerate antiprotons from 5.3 MeV to 100 keV
Expected to improve antimatter research capabilities
Abstract
CERN has a longstanding tradition of pursuing fundamental physics on extreme low and high energy scales. The present physics knowledge is successfully described by the Standard Model and the General Relativity. In the anti-matter regime many predictions of this established theory still remain experimentally unverified and one of the most fundamental open problems in physics concerns the question of asymmetry between particles: why is the observable and visible universe apparently composed almost entirely of matter and not of anti-matter? There is a huge interest in the very compelling scientiic case for anti-hydrogen and low energy anti-proton physics, here to name especially the Workshop on New Opportunities in the Physics Landscape at CERN which was convened in May 2009 by the CERN Directorate and culminated in the decision for the final approval of the construction of the Extra Low…
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