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  • richardmitnick 11:40 am on July 11, 2013 Permalink | Reply
    Tags: , , Magnet technology, ,   

    From Berkeley Lab: “Successful Test of New U.S. Magnet Puts Large Hadron Collider on Track for Major Upgrade” 

    Berkeley Lab

    U.S. Department of Energy national laboratories – including Berkeley Lab – collaborate to build the new magnets CERN needs to increase LHC luminosity by an order of magnitude

    July 11, 2013
    Lynn Yarris (510) 486-5375 lcyarris@lbl.gov

    “The U.S. LHC Accelerator Program (LARP) has successfully tested a powerful superconducting quadrupole magnet that will play a key role in developing a new beam focusing system for CERN’s Large Hadron Collider (LHC). This advanced system, together with other major upgrades to be implemented over the next decade, will allow the LHC to produce 10 times more high-energy collisions than it was originally designed for.

    HQ02a is a superconducting quadrupole magnet made from high performance niobium tin that will play a key role in developing a new beam focusing system for CERN’s Large Hadron Collider. No image credit.

    Dubbed HQ02a, the latest in LARP’s series of High-Field Quadrupole magnets is wound with cables of the brittle but high-performance superconductor niobium tin (Nb3Sn). Compared to the final-focus quadrupoles presently in place at the LHC, which are made with niobium titanium, HQ02a has a larger aperture and superconducting coils designed to operate at a higher magnetic field. In a recent test at the Fermi National Accelerator Laboratory (Fermilab), HQ02a achieved all its challenging objectives.

    LARP is a collaboration among the U.S Department of Energy’s Brookhaven National Laboratory (Brookhaven), Fermilab, Lawrence Berkeley National Laboratory (Berkeley Lab), and the SLAC National Accelerator Laboratory (SLAC), working in close partnership with CERN. LARP has also supported research at the University of Texas at Austin and Old Dominion University.

    ‘Congratulation to all the LARP team for this brilliant result,’ said Lucio Rossi, leader of the High Luminosity LHC project at CERN. ‘The steady progress by LARP and the other DOE supported programs clearly shows the benefits of long-term investments to make serious advances in accelerator technology.'”

    See the full article here.

    A U.S. Department of Energy National Laboratory Operated by the University of California


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  • richardmitnick 12:32 pm on April 1, 2013 Permalink | Reply
    Tags: , Magnet technology   

    From Fermilab: “Feature High-field magnets poised to get an upgrade” 

    Fermilab is an enduring source of strength for the US contribution to scientific research world wide.

    Monday, April 1, 2013
    Sarah Khan

    Recently the Technical Division’s High Field Magnet Group identified and tested a new insulating compound that could help superconducting magnets survive under the harsh conditions of many future accelerator projects.

    A 2-meter-long superconducting coil filled with Matrimid® has been shown to be able to stand up to extreme operating environments. Photo: Sarah Khan

    This shows a cross-section of superconducting wires stacked on top of each other. In between the wires is the insulating component Matrimid. Photo: Marianne Bossert, TD

    The new component, called Matrimid® and manufactured by the company Huntsman, can last longer and resist radiation better than the traditional epoxy-based insulation used for magnet coils.

    Recently, engineer Steve Krave and lead engineer Rodger Bossert produced 1- and 2-meter long superconducting coils filled with Matrimid. Tests have shown that the new insulation holds up well to extreme fabrication and operating environments.

    ‘These results are very exciting,’ said Alexander Zlobin, head of the high-field magnet program. ‘This technological development will have a great impact on our field.'”

    See the full article here.

    Fermilab campus

    Fermi National Accelerator Laboratory (Fermilab), located just outside Batavia, Illinois, near Chicago, is a US Department of Energy national laboratory specializing in high-energy particle physics.

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