Quench Performance of the First Twin-aperture 11 T Dipole for LHC upgrades

Zlobin, Alexander; Andreev, Nicolai; Apollinari, Giorgio; Auchmann, Bernhard; Barzi, Emanuela; Chlachidze, Guram; Izquierdo Bermudez, Susana; Karppinen, Mikko; Nobrega, Alfred; Novitski, Igor; Rossi, Lucio; Savary, Frederic; Smekens, David; Stoynev, Stoyan; Turrioni, Daniele

doi:10.18429/JACoW-IPAC2015-WEPTY040

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RIS citation export for WEPTY040: Quench Performance of the First Twin-aperture 11 T Dipole for LHC upgrades

TY - CONF
AU - Zlobin, A.V.
AU - Andreev, N.
AU - Apollinari, G.
AU - Auchmann, B.
AU - Barzi, E.Z.
AU - Chlachidze, G.
AU - Izquierdo Bermudez, S.
AU - Karppinen, M.
AU - Nobrega, A.
AU - Novitski, I.
AU - Rossi, L.
AU - Savary, F.
AU - Smekens, D.
AU - Stoynev, S.
AU - Turrioni, D.
ED - Henderson, Stuart
ED - Akers, Evelyn
ED - Satogata, Todd
ED - Schaa, Volker R.W.
TI - Quench Performance of the First Twin-aperture 11 T Dipole for LHC upgrades
J2 - Proc. of IPAC2015, Richmond, VA, USA, May 3-8, 2015
C1 - Richmond, VA, USA
T2 - International Particle Accelerator Conference
T3 - 6
LA - english
AB - The LHC luminosity upgrade plan foresees installation of additional collimators in Dispersion Suppressor areas around point 7 and interaction regions 1, 2 and 5. The required space for these collimators could be provided by replacing some 15-m long 8.33 T NbTi LHC main dipoles (MB) with shorter 11 T Nb3Sn dipoles (MBH) compatible with the LHC lattice and main systems. FNAL and CERN magnet groups are developing a 5.5-m long twin-aperture dipole prototype with the nominal field of 11 T at the LHC nominal current of 11.85 kA suitable for installation in the LHC. Two of these magnets with a collimator in between will replace one MB dipole. The single-aperture 2-m long dipole demonstrator and two 1-m long dipole models have been assembled and tested at FNAL in 2012-2014. The 1 m long collared coils were then assembled into the first twin-aperture Nb3Sn demonstrator dipole and tested. This paper reports test results of the first twin-aperture Nb3Sn dipole model focusing on magnet training, ramp rate sensitivity and temperature dependence of the magnet quench current. The twin-aperture dipole quench performance is compared with the data for the single-aperture models.
PB - JACoW
CP - Geneva, Switzerland
SP - 3361
EP - 3364
KW - dipole
KW - magnet-design
KW - status
KW - collimation
KW - detector
DA - 2015/06
PY - 2015
SN - 978-3-95450-168-7
DO - 10.18429/JACoW-IPAC2015-WEPTY040
UR - http://jacow.org/ipac2015/papers/wepty040.pdf
ER -