Magnet R&D for the US LHC Accelerator Research Program (LARP) Page: 4 of 4
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The US LHC Accelerator Research Program has launched
an aggressive program to develop accelerator magnet
technology for upgrades that will enhance the physics
potential of the LHC. The LARP is an excellent opportunity
to extend high field accelerator magnet technology, and to
create and strengthen national and international collaboration
that will continue into future projects.Iron
islandREFERENCES
Figure 4. Sub-scale magnet cross section.
2" managers who also oversee the various tasks in their
respective areas. The responsibility for coordination and
execution of a particular task resides with specific "Task
Managers."
1) Design Studies
The Design Studies activity is generally intended to provide
input on magnet parameters and lay the groundwork for the
program. It covers a broad range of activities; conceptual
magnet designs, radiation deposition studies, cryogenic and
cooling issues and provides an interface for communication
with the Accelerator Physics section of LARP.
2) Model Magnet R&D
Model Magnet R&D integrates input from the other three
areas to produce model magnets that directly apply to the
program goals. The current focus is on the TQs and it will
eventually house activities to build the LQs and HQs.
3) Supporting R&D
Supporting R&D covers a wide range of technical issues,
primarily related to fabrication and operation. The largest
task in this area is long magnet scale-up. Other tasks include
sub-scale quadrupoles (SQs) to study performance-related
issues, verify analysis models, incorporate rad-hard materials
and support structure development[10].
4) Materials
Conductor is a critical component of the program. The
responsibility of the Materials activity is two-fold; provide
sufficient quantities of well-characterized strand for magnet
development and carry on the necessary R&D to support
development of material that will ultimately be used for the
upgrade [11].[1] R. Ostojic, M. Karppinen, CERN; R. Bossert, J. Dimarco, S. Feher, J.
Kerby, M. Lamm, T. Nicol, Fermilab; N. Kimura, T. Nakamoto, KEK,
"The Production of the Low-Beta Triplets for the LHC", these
proceedings.
[2] Kephart, R., et al.,"The U.S. LHC Accelerator Research Program: A
Proposal," http://www-td.fnal.gov/LHC/USLARP.html
[3] A comprehensive bibliography can be found at http://care-
hhh.web.cern.ch/care-hhh/publications.htm
[4] Gourlay, S.A., "High Field Magnet R&D in the USA," presented at the
18th International Conference on Magnet Technology, October 20-24,
2003, Morioka, Japan., IEEE Trans. Appl. Supercond. Vol. 14, No. 2,
June 2004, pp. 333-338, SC-MAG #813, LBNL-53128, 6/24/2003.
[5] R.M. Scanlan, D.R. Dietderich, and S.A Gourlay, "A New Generation
Nb3Sn Wire, and the Prospects for its use in Particle Accelerators",
Advances in Cryogenic Engineering: Transactions of the International
Cryogenic Materials conference - ICMC, Vol. 50, pp. 349 - 357.
Cryogenic Engineering and International Cryogenic Materials
Conference, Anchorage, Alaska. September 22 - 26, 2003, SC-MAG
3831, LBNL-54374.
[6] R.C. Bossert et al, "Development of TQC01, a 90 mm Nb3Sn Model
Quadrupole for LHC Upgrade Based on Stainless Steel Collar," these
proceedings.
[7] S. Caspi, et al, "Design and Construction of TQS01, 1 90 mm Nb3Sn
Model Quadrupole for LHC Luminosity Upgrade Based on a Key and
Bladder Assembly," these proceedings.
[8] Bartlett, S.E., Caspi, S., Dietderich, D.R., Ferracin, P., Gourlay, S.A.,
Hannaford, C.R., Hafalia, A.R., Lietzke, A.F., Mattafirri, S., Sabbi, G.,
"An R&D Approach to the Development of Long Nb3Sn Accelerator
Magnets Using the Key and Bladder Technology," Applied
Superconductivity Conference 2004 (October 3-8, 2004, Jacksonville,
FL), IEEE Trans. Appl. Supercond. Vol. 15, No. 2, June 2005, pp. 1136
- 1139, LBNL-54893.
[9] S. Caspi, L, Chiesa, M. Coccoli, D.R. Dietderich, S.A. Gourlay, R.
Hafalia, A.F. Lietzke, J.W. O'Neill, G. Sabbi, R.M. Scanlan, "An
Approach for Faster High Field Magnet Technology Development,"
Applied Superconductivity Conference 2002 (Houston, TX, August 4 -
9, 2002), IEEE Trans. Appl. Supercond. Vol. 13, No. 2, June 2003, pp.
1258 - 1261, SC-MAG #773 , LBNL-49918.
[10] P. Ferraqcin et al, "Assembly and Test of SQ01b, a Nb3Sn Racetrack
Quadrupole Magnet for the LHC Accelerator Research Program," these
proceedings.
[11] E. Barzi et al, "Round and Extracted Strand Tests for LARP Magnet
R&D," these proceedings.4
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Gourlay, S. A.; Ambrosio, G.; Andreev, N.; Anerella, M.; Barzi, E.; Bossert, R. et al. Magnet R&D for the US LHC Accelerator Research Program (LARP), article, June 1, 2006; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc900927/m1/4/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.