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  • richardmitnick 11:37 am on June 17, 2013 Permalink | Reply
    Tags: , , CERN ELENA, , ,   

    From CERN: “Lighting the torch for ELENA” 

    CERN New Masthead

    17 Jun 2013
    Cian O’Luanaigh

    “A ground-breaking ceremony today marked the start of construction of an extension to CERN’s antimatter facility. Infrastructure currently housed in the Antiproton Decelerator (AD) hall will be moved into this extension to make space for a new decelerator, the Extra-Low-Energy Antiproton ring (ELENA).

    dh
    CERN Director-General Rolf Heuer gets stuck in at the ground-breaking ceremony for ELENA (Image: Anna Pantelia/CERN)

    This cooling ring, about 30 metres in circumference, will further slow the 5.3 MeV antiprotons ejected from the AD down to 100 keV to increase the number of antiprotons that can be trapped by antimatter experiments.

    ELENA is designed to decelerate antiprotons in a well controlled way and to further reduce beam sizes and energy spreads with an electron cooler to increase the efficiency of deceleration, resulting in more trapped antiprotons.

    Design is also under way for a new experiment – GBAR – that will be installed at the same time as ELENA; and the BASE collaboration has recently suggested adding an experiment to increase the precision of a measurement of the antiproton’s magnetic moment by a factor of 1000. As well as more usable (or trappable) antiprotons, ELENA will be able to deliver beams almost simultaneously to four antimatter experiments resulting in an essential gain in total beam time for each experiment.

    There is much to explore in the field of antimatter; many theoretical predictions in the antimatter regime remain experimentally unverified. ELENA will increase CERN’s capacity to accommodate research groups wishing to perform experiments in the increasingly popular field of antihydrogen and low-energy antiproton physics.”

    See the full article here.

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  • richardmitnick 3:20 pm on June 22, 2012 Permalink | Reply
    Tags: , , CERN ELENA, , ,   

    From CERN: “ELENA’s International Collaboration is Born” 

    On 13 June, ten institutes signed a Memorandum of Understanding (MoU) for the construction of the Extra Low ENergy Antiproton ring (ELENA). Allowing the further deceleration of antiprotons from the Antimatter Decelerator, ELENA will significantly increase the number of particles trapped downstream in the experimental set-ups. This will give an important boost to antimatter research in the years to come.

    elena ring
    Electrostatic triplet lenses – a device that will transport antiprotons from ELENA to the experiments. The electrostatic device was successfully tested with the ASACUSA experiment two weeks ago.

    ELENA – an upgrade of the existing Antiproton Decelerator (AD) – was approved by the CERN Council last year under the condition that external user institutions would contribute to its construction. On 13 June, the foundation stone of the new international collaboration was laid with the signature of the MoU.”

    See the full article here.

    Meet CERN in a variety of places:

    Cern Courier

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    ALICE

    CMS

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