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ASC2012
11 items
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1.
Testing Results for Nb-Ti, 120-mm-Aperture, Low-B Quadrupole Models for the LHC High-Luminosity Insertion / Kirby, G A (CERN) ; Auchmann, B (CERN) ; Bajko, M (CERN) ; Charrondiere, M (CERN) ; Bourcey, N (CERN) ; Datskov, V I (CERN) ; Fessia, P (CERN) ; Feuvrier, J (CERN) ; Galbraith, P (CERN) ; Garcia Tabares, A (CERN) et al.
The design and construction of a 120 mm wide-aperture, Nb-Ti superconducting quadrupole magnet for the LHC insertion region is part of a study towards a luminosity upgrade of the LHC at CERN, envisaged for 2020-22. [...]
CERN-ATS-2013-041. - 2013. - 6 p.
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2.
Development of the Nb$_{3}$Sn Rutherford Cable for the EuCARD High Field Dipole Magnet FRESCA2 / Oberli, l (CERN)
This paper reports on the development of the Nb$_{3}$Sn Rutherford cable for the EuCARD high field dipole magnet FRESCA2 designed to achieve a central field of 13 T at 4.2 K in a 100 mm bore. The FRESCA2 cable is rectangular and made of 40 strands of 1.0 mm diameter. [...]
CERN-ATS-2013-031.- Geneva : CERN, 2013 - Published in : IEEE Trans. Appl. Supercond. 23 (2013) 4800704 Fulltext: PDF;
In : Applied Superconductivity Conference 2012: The Next Century of Superconductivity, Portland, OR, USA, 7 - 12 Oct 2012
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3.
Magnetization Measurements of High-Jc Nb$_{3}$Sn strands / Bordini, B (CERN) ; Richter, D (CERN) ; Alknes, P (CERN) ; Ballarino, A (CERN) ; Bottura, L (CERN) ; Oberli, L (CERN)
High critical current density Nb$_{3}$Sn wires (Jc > 2500 A/mm2 at 4.2 K and 12 T) are the conductors considered for next generation accelerator magnets. At present, the large magnetization of these strands is a concern within the scientific community because of the impact it might have on the magnet field quality. [...]
CERN-ATS-2013-029.- Geneva : CERN, 2013 - Published in : IEEE Trans. Appl. Supercond. 23 (2013) 7100806 Fulltext: PDF;
In : Applied Superconductivity Conference 2012: The Next Century of Superconductivity, Portland, OR, USA, 7 - 12 Oct 2012
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4.
Analytical Formulation of Ic Dependence on Torsion of YBCO and BSCCO Conductors / Fleiter, J (Joseph Fourier U. ; CERN) ; Sitko, M (CERN) ; Ballarino, A (CERN)
The behavior of HTS tapes under torsion is of key importance for the definition of the allowable twist during cabling activity. In this paper, we report on the elaboration of selfconsistent analytical expressions of Ic dependence on twist pitch for YBCO and BSCCO (2223) conductors. [...]
CERN-ATS-2013-028.- Geneva : CERN, 2013 - Published in : IEEE Trans. Appl. Supercond. 23 (2013) 8000204 Fulltext: PDF;
In : Applied Superconductivity Conference 2012, Portland, Oregon, Usa, 7 - 12 Oct 2012
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5.
Transformation Heat Treatment of Rapidly Quenched Nb3A1 Precursor Monitored in situ by High Energy Synchrotron Diffraction / Scheuerlein, C (CERN) ; Ballarino, A (CERN) ; Di Michiel, M (ESRF, Grenoble) ; Jin, X (KEK, Tsukuba) ; Takeuchi, T (Tsukuba Magnet Lab.) ; Kikuchi, A (Tsukuba Magnet Lab.) ; Tsuchiya, K (KEK, Tsukuba) ; Nakagawa, K (Hitachi Cable, Ibaraki) ; Nakamoto, T (KEK, Tsukuba)
Nb3Al superconductors are studied for use in high field magnets. Fine grained Nb3Al with nearly stoichiometric Al content is obtained by a Rapid Heating Quenching and Transformation (RHQT) process. [...]
CERN-ATS-2013-026.- Geneva : CERN, 2013 - Published in : IEEE Trans. Appl. Supercond. 23 (2013) 6000604 Fulltext: PDF;
In : Applied Superconductivity Conference 2012, Portland, Oregon, Usa, 7 - 12 Oct 2012
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6.
Design of 11 T Twin-Aperture Nb$_{3}$Sn Dipole Demonstrator Magnet for LHC Upgrades / Karppinen, M (CERN) ; Andreev, N (Fermilab) ; Apollinari, G (Fermilab) ; Auchmann, B (CERN) ; Barzi, E (Fermilab) ; Bossert, R (Fermilab) ; Kashikhin, V (Fermilab) ; Nobrega, A (Fermilab) ; Novitski, I (Fermilab) ; Rossi, L (CERN) et al.
The LHC collimation upgrade foresees two additional collimators installed in the dispersion suppressor regions of points 2, 3 and 7. [...]
CERN-ATS-2013-025. - 2013.
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7.
Radioactivity of Nb$_{3}$Sn/Cu wires after proton irradiation / Otto, Th (CERN) ; Scheuerlein, C (CERN) ; Catherall, R (CERN) ; Glaser, M (CERN) ; Militaru, O (Louvain U.) ; Flükiger, R (CERN) ; Ballarino, A (CERN) ; Bottura, L (CERN)
Superconducting magnets based on Nb$_{3}$Sn technology are being developed for the LHC high luminosity upgrade. In this context irradiation induced changes of the superconducting properties of state-of-the-art Ti and Ta doped Nb$_{3}$Sn wires are presently studied. [...]
CERN-ATS-2013-023.- Geneva : CERN, 2013 - Published in : IEEE Trans. Appl. Supercond. 23 (2013) 6000504 Fulltext: PDF;
In : Applied Superconductivity Conference 2012: The Next Century of Superconductivity, Portland, OR, USA, 7 - 12 Oct 2012
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8.
Development of the EuCARD Nb$_{3}$Sn Dipole Magnet FRESCA2 / Ferracin, P (CERN) ; Devaux, M (Saclay) ; Durante, M (Saclay) ; Fazilleau, P (Saclay) ; Fessia, P (CERN) ; Manil, P (Saclay) ; Milanese, A (CERN) ; Munoz Garcia, J (CERN) ; Oberli, L (CERN) ; Perez, J (CERN) et al.
The key objective of the Superconducting High Field Magnet work package of the European Project EuCARD, and specifically of the High Field Model task, is to design and fabricate the Nb$_{3}$Sn dipole magnet FRESCA2. With an aperture of 100 mm and a target bore field of 13 T, the magnet is aimed at upgrading the FRESCA cable test facility at CERN. [...]
CERN-ATS-2013-022.- Geneva : CERN, 2013 - Published in : IEEE Trans. Appl. Supercond. 23 (2013) 4002005 Fulltext: PDF;
In : Applied Superconductivity Conference 2012: The Next Century of Superconductivity, Portland, OR, USA, 7 - 12 Oct 2012, pp.4002005
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9.
An Improved Insulation System for the LHC Main 13 kA Interconnection Splices / Lackner, F (CERN) ; Savary, F (CERN) ; Prin, H (CERN) ; Perin, A (CERN)
In 2013, a long shutdown of the Large Hadron Collider (LHC) at CERN will allow comprehensive maintenance plus consolidation of the machine components, in particular of the 13 kA circuits that feed the main superconducting magnets around the 27-km ring. [...]
CERN-ATS-2013-021. - 2013.
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10.
Cold Test Results of the LARP HQ Nb$_{3}$Sn Quadrupole Magnet at 1.9 K / Bajas, H (CERN) ; Ambrosio, G (Fermilab) ; Anerella, M (Fermilab) ; Bajko, M (CERN) ; Bossert, R (Fermilab) ; Caspi, S (LBL, Berkeley) ; Chiuchiolo, A (CERN) ; Chlachidze, G (Fermilab) ; Dietderich, D (LBL, Berkeley) ; Dunkel, O (CERN) et al.
The HQ magnet is a 120 mm aperture, 1-meter-long Nb$_{3}$Sn quadrupole developed by the LARP collaboration in support of the High-Luminosity LHC project. [...]
CERN-ATS-2013-020. - 2013.
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11.
Design Studies for the Low-beta Quadrupoles for the LHC Luminosity Upgrade / Todesco, E (CERN) ; Allain, H (CERN) ; Ambrosio, G (Fermilab) ; Borgnolutti, F (LBL, Berkeley) ; Cerutti, F (CERN) ; Dietderich, D (LBL, Berkeley) ; Esposito, L (CERN) ; Felice, H (LBL, Berkeley) ; Ferracin, P (CERN) ; Sabbi, G (LBL, Berkeley) et al.
In this paper we outline the present status of the design studies for the high luminosity LHC, focusing on the choice of the aperture of the inner triplet quadrupoles. [...]
CERN-ATS-2013-018. - 2013. - 6 p.
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