# IEEE Transactions on Applied Superconductivity

## Volume 17 Issue 2  Part 2 • June 2007

This issue contains several parts.Go to:  Part 1  | Part 3

## Filter Results

Displaying Results 1 - 25 of 367
• ### Table of contents

Publication Year: 2007, Page(s): C1
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• ### IEEE Transactions on Applied Superconductivity publication information

Publication Year: 2007, Page(s): C2
| PDF (35 KB)
• ### Table of contents

Publication Year: 2007, Page(s):989 - 1004
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• ### The Large Hadron Collider and the Role of Superconductivity in One of the Largest Scientific Enterprises

Publication Year: 2007, Page(s):1005 - 1014
Cited by:  Papers (12)
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After ten years of R&amp;D and industrialization and seven years of construction, the LHC is near completion. The manufacture of the 1750 main superconducting magnets and of the 8000 superconducting correctors for the accelerator, as well as their cold test at CERN, is approaching the end, while their commissioning in the 27 km-long tunnel has started. The very large superconducting magnets fo... View full abstract»

• ### Moldable Ceramic Putty for High Field Magnet Applications

Publication Year: 2007, Page(s):1015 - 1018
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During the assembly and winding of A15 high field magnets, gaps between the cable and supporting parts frequently arise. New, insulating ceramic putties are being developed that can fill these gaps to fully support the superconducting cable. The compounds can be molded by hand and pressed into small gaps or spaces within a magnet that will harden into a strong, net-shaped formed insulating support... View full abstract»

• ### Assembly and Tests of SQ02, a Nb$_{3}$Sn Racetrack Quadrupole Magnet for LARP

Publication Year: 2007, Page(s):1019 - 1022
Cited by:  Papers (11)
| | PDF (407 KB) | HTML

The US LHC Accelerator Research Program (LARP) is developing accelerator magnets for a possible LHC luminosity upgrade. As part of the LARP supporting R&D, a subscale racetrack quadrupole magnet (SQ) has been developed in order to provide a cost effective tool for technology development studies. The first magnet (SQO1), reported earlier, was tested as a proof-of-principle model that... View full abstract»

• ### Design and Fabrication of a Supporting Structure for 3.6 m Long Nb$_{3}$Sn Racetrack Coils

Publication Year: 2007, Page(s):1023 - 1026
Cited by:  Papers (5)
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As part of the LHC accelerator research program (LARP), three US national laboratories (BNL, FNAL, and LBNL) are currently engaged in the development of superconducting magnets for the LHC interaction regions (IR) beyond the current design. As a first step towards the development of long Nb3Sn quadrupole magnets, a 3.6 m long structure, based on the LBNL subscale common-coil magnet desi... View full abstract»

• ### Development of Rutherford-Type Cables for High Field Accelerator Magnets at Fermilab

Publication Year: 2007, Page(s):1027 - 1030
Cited by:  Papers (26)
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Fermilab's cabling facility has been upgraded to a maximum capability of 42 strands. This facility is being used to study the effect of cabling on the performance of the various strands, and for the development and fabrication of cables in support of the ongoing magnet R&amp;D programs. Rutherford cables of various geometries, packing factors, with and without a stainless steel core, were fabr... View full abstract»

• ### ${\rm Nb}_{3}{\rm Sn}$Accelerator Magnet Technology Scale Up Based on Cos-Theta Coils

Publication Year: 2007, Page(s):1031 - 1034
Cited by:  Papers (3)
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After successful testing of a 1 m long dipole mirror magnet and three dipole models based on two-layer Nb3Sn coils, Fermilab has started a Nb3Sn technology scale-up program using the dipole mirror design and the developed Nb3Sn coil fabrication technology based on the wind-and-react method. The scale-up will be performed in several steps starting from a 2 m long co... View full abstract»

• ### Design of${\hbox{Nb}}_{3}{\hbox{Sn}}$Coils for LARP Long Magnets

Publication Year: 2007, Page(s):1035 - 1038
Cited by:  Papers (11)
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The LHC Accelerator Research Program (LARP) has a primary goal to develop, assemble, and test full size Nb3Sn quadrupole magnet models for a luminosity upgrade of the Large Hadron Collider (LHC). A major milestone in this development is to assemble and test, by the end of 2009, two 4 m-long quadrupole cold masses, which will be the first Nb3Sn accelerator magnet models approa... View full abstract»

• ### A Finite Element Model for Mechanical Analysis of LHC Main Dipole Magnet Coils

Publication Year: 2007, Page(s):1039 - 1042
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After years of studies and observations, the mechanical stability of the LHC main dipole magnets still remains an open issue. The robustness of these magnets has already been asserted and their reliability in operation is not far from being proven. However, anomalous mechanical behaviors sometimes observed are not yet completely understood. A finite element model, which has been recently developed... View full abstract»

• ### 2D Magnetic Design and Optimization of a 88-mm Aperture 15 T Dipole for NED

Publication Year: 2007, Page(s):1043 - 1046
Cited by:  Papers (3)
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The Next European Dipole (NED) activity supported by the European Union aims at the development of a high-performance Nb<sub>3</sub>Sn conductor (J<sub>c</sub> = 1500 A/mm<sup>2</sup> @ 15 T, 4.2 K) in collaboration with European industry and at the design of a high- field dipole magnet making use of this conductor. In the framework of the NED collaboration whic... View full abstract»

• ### Magnetic and Mechanical Design of a 130 mm Aperture${\hbox{Nb}}_{3}{\hbox{Sn}}$Dipole Magnet

Publication Year: 2007, Page(s):1047 - 1050
Cited by:  Papers (2)
| | PDF (496 KB) | HTML

For the next generation of dipoles for accelerators, two main challenges come into play. In one hand, high dipolar fields in the range of 13 to 15 T are targeted. In the other hand, large apertures (above 80 mm) are required in the interaction regions. These two requirements lead to two issues. First, a new superconductor has to replace the NbTi as its limits have been reached around 10 T with the... View full abstract»

• ### Design Studies of${\hbox{Nb}}_{3}{\hbox{Sn}}$High-Gradient Quadrupole Models for LARP

Publication Year: 2007, Page(s):1051 - 1054
Cited by:  Papers (7)
| | PDF (471 KB) | HTML

Insertion quadrupoles with large aperture and high gradient are required to achieve the luminosity upgrade goal of 1035cm-2s-1at the large hadron collider (LHC). In 2004, the US Department of Energy established the LHC accelerator research program (LARP) to develop a technology base for the upgrade. Nb3Sn conductor is required in order to operate at high... View full abstract»

• ### Superconducting Magnet System for Muon Beam Cooling

Publication Year: 2007, Page(s):1055 - 1058
Cited by:  Papers (3)  |  Patents (1)
| | PDF (1048 KB) | HTML

A helical cooling channel has been proposed to quickly reduce the six-dimensional phase space of muon beams for muon colliders, neutrino factories, and intense muon sources. A novel superconducting magnet system for a muon beam cooling experiment is being designed at Fermilab. The inner volume of the cooling channel is filled with liquid helium where passing muon beam can be decelerated and cooled... View full abstract»

• ### Thermal Analysis of SC Quadrupoles in Accelerator Interaction Regions

Publication Year: 2007, Page(s):1059 - 1062
Cited by:  Papers (4)
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This paper presents results of a thermal analysis and operation margin calculation performed for NbTi and Nb<sub>3</sub>Sn low-beta quadrupoles in collider interaction regions. Results of the thermal analysis for NbTi quadrupoles are compared with the relevant experimental data. An approach to quench limit measurements for Nb<sub>3</sub>Sn quadrupoles is discussed. View full abstract»

• ### The Superconducting Ring Cyclotron in RIKEN

Publication Year: 2007, Page(s):1063 - 1068
Cited by:  Papers (4)  |  Patents (6)
| | PDF (1295 KB) | HTML

RIKEN Nishina Center for accelerator-based science in RIKEN is constructing the radioactive isotope beam factory (RIBF), which is capable of providing the world's most intense RI beams over the whole range of atomic masses. The world's first superconducting ring cyclotron (SRC) is the final booster in the RIBF accelerator complex which is able to accelerate all-element heavy ions to a speed of abo... View full abstract»

• ### Status and Overview of Superconducting Radioactive Isotope Beam Separator BigRIPS at RIKEN

Publication Year: 2007, Page(s):1069 - 1077
Cited by:  Papers (43)
| | PDF (4260 KB) | HTML

Superconducting triplet quadrupoles (STQs) with large apertures and high field-gradients are employed for the in-flight radioactive-isotope (RI) beam separator BigRIPS at RIKEN. It consists of fourteen STQs and six room-temperature dipoles. The use of the STQs makes it possible to achieve important features of the BigRIPS separator: large acceptances and a large magnetic rigidity, allowing efficie... View full abstract»

• ### Status of the Design of a Full Length Superferric Dipole and Quadrupole Magnets for the FAIR SIS 100 Synchrotron

Publication Year: 2007, Page(s):1078 - 1082
Cited by:  Papers (5)
| | PDF (1305 KB) | HTML

The synchrotron SIS100 is one of the two basic accelerators of the future Facility for Antiproton and Ion Research (FAIR) at GSI in Darmstadt. The SIS100 should provide acceleration of high intensity U<sup>28+</sup> and proton beams for 0.5 s, with a pulse repetition rate of 0.6 Hz. In the accelerator magnetic system superferric 2 T dipoles of about 3 m length and 32 T/m quadrupoles of... View full abstract»

• ### Test Results of Superconducting Combined Function Magnets for the J-PARC Neutrino Beam Line

Publication Year: 2007, Page(s):1083 - 1086
Cited by:  Papers (8)
| | PDF (832 KB) | HTML

Superconducting combined function magnets for the J-PARC (Japan Proton Accelerator Research Complex) neutrino experiment have been successfully developed at High Energy Accelerator Research Organization, KEK. The first prototype magnet reassembled for the quench protection studies, and the cold test result indicated that the eight quench protection heaters are effective for the safe protection of ... View full abstract»

• ### A Radiation Resistant Dipole Using Metal-Oxide Insulated CICC

Publication Year: 2007, Page(s):1087 - 1090
Cited by:  Papers (1)
| | PDF (492 KB) | HTML

Several proposed accelerator facilities will be capable of providing intense beams on targets that are in close proximity to superconducting magnets. These magnets will have to operate in high-radiation environments. A proposed solution to the manufacture of radiation tolerant coils is to use a metal-oxide insulated version of the standard CICC, which allows the use of welding to provide structura... View full abstract»

• ### Review of Quench Performance of LHC Main Superconducting Magnets

Publication Year: 2007, Page(s):1091 - 1096
Cited by:  Papers (11)
| | PDF (120 KB) | HTML

The regular lattice of the large Hadron collider (LHC) will make use of more than 1600 main magnets and about 7600 corrector magnets, all superconducting and working in pressurized superfluid helium bath. This complex magnet system will fill more than 20 km of the LHC underground tunnel. In this paper an overview of the cold test program and quality assurance plan to qualify all LHC superconductin... View full abstract»

• ### Status Report on the Superconducting Dipole Magnet Production for the LHC

Publication Year: 2007, Page(s):1097 - 1100
Cited by:  Papers (1)
| | PDF (252 KB) | HTML

In August 2006, about 95% of the production of the 1232 LHC superconducting dipole cold masses, whose coils are wound with Cu/Nb-Ti cables, is completed. One of the 3 manufacturers, having produced one third of the required magnets, completed its production in the end of 2005. The acceptance of the magnets takes place after the 1.9 K performance tests and has been issued for more then 1000 magnets... View full abstract»

• ### Industrial Learning Curves: Series Production of the LHC Main Superconducting Dipoles

Publication Year: 2007, Page(s):1101 - 1104
Cited by:  Papers (3)
| | PDF (1058 KB) | HTML

By mid August 2006, 1160 of the 1232 of LHC main dipoles have been delivered to CERN by the three suppliers in charge of the production. The training of the staff, mostly hired just for this manufacture, and the improvement of the procedures with the acquired experience, naturally decrease the time necessary for the assembly of a unit. The aim of this paper is to apply methodologies like the cost-... View full abstract»

• ### Measurements of the Persistent Current Decay and Snapback Effect in Tevatron Dipole Magnets

Publication Year: 2007, Page(s):1105 - 1108
Cited by:  Papers (9)
| | PDF (497 KB) | HTML

A systematic study of the persistent current decay and snapback effect in the fields of Tevatron accelerator dipoles was performed at the Fermilab Magnet Test Facility (MTF). The decay and snapback were measured under a range of conditions including variations of the current ramp parameters and magnet operational history. The study has mostly focused on the dynamic behavior of the normal sextupole... View full abstract»

## Aims & Scope

IEEE Transactions on Applied Superconductivity contains articles on the applications of superconductivity and other relevant technology.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Britton L. T. Plourde
Syracuse University
bplourde@syr.edu
http://asfaculty.syr.edu/pages/phy/plourde-britton.html