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1. 11 T Dipole for the Dispersion Suppressor Collimators

Author

Karppinen, M., Bermudez, S. Izquierdo, Nobrega, A., Prin, H., Ramos, D., Redaelli, S., Savary, F., Smekens, D., and Zlobin, A.

Subjects
Physics - Accelerator Physics
Abstract

Chapter 11 in High-Luminosity Large Hadron Collider (HL-LHC) : Preliminary Design Report. The Large Hadron Collider (LHC) is one of the largest scientific instruments ever built. Since opening up a new energy frontier for exploration in 2010, it has gathered a global user community of about 7,000 scientists working in fundamental particle physics and the physics of hadronic matter at extreme temperature and density. To sustain and extend its discovery potential, the LHC will need a major upgrade in the 2020s. This will increase its luminosity (rate of collisions) by a factor of five beyond the original design value and the integrated luminosity (total collisions created) by a factor ten. The LHC is already a highly complex and exquisitely optimised machine so this upgrade must be carefully conceived and will require about ten years to implement. The new configuration, known as High Luminosity LHC (HL-LHC), will rely on a number of key innovations that push accelerator technology beyond its present limits. Among these are cutting-edge 11-12 tesla superconducting magnets, compact superconducting cavities for beam rotation with ultra-precise phase control, new technology and physical processes for beam collimation and 300 metre-long high-power superconducting links with negligible energy dissipation. The present document describes the technologies and components that will be used to realise the project and is intended to serve as the basis for the detailed engineering design of HL-LHC., Comment: 8 pages, chapter 11 in High-Luminosity Large Hadron Collider (HL-LHC) : Preliminary Design Report

Published
2017
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2. High-Luminosity Large Hadron Collider (HL-LHC): Technical design report

Author

Aberle, O., Béjar Alonso, I, Brüning, O, Fessia, P, Rossi, L, Tavian, L, Zerlauth, M, Adorisio, C., Adraktas, A., Ady, M., Albertone, J., Alberty, L., Alcaide Leon, M., Alekou, A., Alesini, D., Ferreira, B. Almeida, Lopez, P. Alvarez, Ambrosio, G., Andreu Munoz, P., Anerella, M., Angal-Kalinin, D., Antoniou, F., Apollinari, G., Apollonio, A., Appleby, R., Arduini, G., Alonso, B. Arias, Artoos, K., Atieh, S., Auchmann, B., Badin, V., Baer, T., Baffari, D., Baglin, V., Bajko, M., Ball, A., Ballarino, A., Bally, S., Bampton, T., Banfi, D., Barlow, R., Barnes, M., Barranco, J., Barthelemy, L., Bartmann, W., Bartosik, H., Barzi, E., Battistin, M., Baudrenghien, P., Alonso, I. Bejar, Belomestnykh, S., Benoit, A., Ben-Zvi, I., Bertarelli, A., Bertolasi, S., Bertone, C., Bertran, B., Bestmann, P., Biancacci, N., Bignami, A., Bliss, N., Boccard, C., Body, Y., Borburgh, J., Bordini, B., Borralho, F., Bossert, R., Bottura, L., Boucherie, A., Bozzi, R., Bracco, C., Bravin, E., Bregliozzi, G., Brett, D., Broche, A., Brodzinski, K., Broggi, F., Bruce, R., Brugger, M., Brüning, O., Buffat, X., Burkhardt, H., Burnet, J., Burov, A., Burt, G., Cabezas, R., Cai, Y., Calaga, R., Calatroni, S., Capatina, O., Capelli, T., Cardon, P., Carlier, E., Carra, F., Carvalho, A., Carver, L.R., Caspers, F., Cattenoz, G., Cerutti, F., Chancé, A., Rodrigues, M. Chastre, Chemli, S., Cheng, D., Chiggiato, P., Chlachidze, G., Claudet, S., Coello De Portugal, JM., Collazos, C., Corso, J., Costa Machado, S., Costa Pinto, P., Coulinge, E., Crouch, M., Cruikshank, P., Cruz Alaniz, E., Czech, M., Dahlerup-Petersen, K., Dalena, B., Daniluk, G., Danzeca, S., Day, H., De Carvalho Saraiva, J., De Luca, D., De Maria, R., De Rijk, G., De Silva, S., Dehning, B., Delayen, J., Deliege, Q., Delille, B., Delsaux, F., Denz, R., Devred, A., Dexter, A., Di Girolamo, B., Dietderich, D., Dilly, J.W., Doherty, A., Dos Santos, N., Drago, A., D.Drskovic, Ramos, D. Duarte, Ducimetière, L., Efthymiopoulos, I., Einsweiler, K., Esposito, L., Esteban Muller, J., Evrard, S., Fabbricatore, P., Farinon, S., Fartoukh, S., Faus-Golfe, A., Favre, G., Felice, H., Feral, B., Ferlin, G., Ferracin, P., Ferrari, A., Ferreira, L., Fessia, P., Ficcadenti, L., Fiotakis, S., Fiscarelli, L., Fitterer, M., Fleiter, J., Foffano, G., Fol, E., Folch, R., Foraz, K., Foussat, A., Frankl, M., Frasciello, O., Fraser, M., Menendez, P. Freijedo, Fuchs, J-F., Furuseth, S., Gaddi, A., Gallilee, M., Gallo, A., Alia, R. Garcia, Gavela, H. Garcia, Matos, J. Garcia, Garcia Morales, H., Valdivieso, A. Garcia-Tabares, Garino, C., Garion, C., Gascon, J., Gasnier, Ch., Gentini, L., Gentsos, C., Ghosh, A., Giacomel, L., Hernandez, K. Gibran, Gibson, S., Ginburg, C., Giordano, F., Giovannozzi, M., Goddard, B., Gomes, P., Gonzalez De La Aleja Cabana, M., Goudket, P., Gousiou, E., Gradassi, P., Costa, A. Granadeiro, Grand-Clément, L., Grillot, S., Guillaume, JC., Guinchard, M., Hagen, P., Hakulinen, T., Hall, B., Hansen, J., Heredia Garcia, N., Herr, W., Herty, A., Hill, C., Hofer, M., Höfle, W., Holzer, B., Hopkins, S., Hrivnak, J., Iadarola, G., Infantino, A., Bermudez, S. Izquierdo, Jakobsen, S., Jebramcik, M.A., Jenninger, B., Jensen, E., Jones, M., Jones, R., Jones, T., Jowett, J., Juchno, M., Julie, C., Junginger, T., Kain, V., Kaltchev, D., Karastathis, N., Kardasopoulos, P., Karppinen, M., Keintzel, J., Kersevan, R., Killing, F., Kirby, G., Korostelev, M., Kos, N., Kostoglou, S., Kozsar, I., Krasnov, A., Krave, S., Krzempek, L., Kuder, N., Kurtulus, A., Kwee-Hinzmann, R., Lackner, F., Lamont, M., Lamure, A.L., m, L. Lari, Lazzaroni, M., Le Garrec, M., Lechner, A., Lefevre, T., Leuxe, R., Li, K., Li, Z., Lindner, R., Lindstrom, B., Lingwood, C., Löffler, C., Lopez, C., Lopez-Hernandez, LA., Losito, R., Maciariello, F., Macintosh, P., Maclean, E.H., Macpherson, A., Maesen, P., Magnier, C., Durand, H. Mainaud, Malina, L., Manfredi, M., Marcellini, F., Marchevsky, M., Maridor, S., Marinaro, G., Marinov, K., Markiewicz, T., Marsili, A., Martinez Urioz, P., Martino, M., Masi, A., Mastoridis, T., Mattelaer, P., May, A., Mazet, J., Mcilwraith, S., McIntosh, E., Medina Medrano, L., Mejica Rodriguez, A., Mendes, M., Menendez, P., Mensi, M., Mereghetti, A., Mergelkuhl, D., Mertens, T., Mether, L., Métral, E., Migliorati, M., Milanese, A., Minginette, P., Missiaen, D., Mitsuhashi, T., Modena, M., Mokhov, N., Molson, J., Monneret, E., Montesinos, E., Moron-Ballester, R., Morrone, M., Mostacci, A., Mounet, N., Moyret, P., Muffat, P., Muratori, B., Muttoni, Y., Nakamoto, T., Navarro-Tapia, M., Neupert, H., Nevay, L., Nicol, T., Nilsson, E., Ninin, P., Nobrega, A., Noels, C., Nolan, E., Nosochkov, Y., Nuiry, FX., Oberli, L., Ogitsu, T., Ohmi, K., Olave R., Oliveira, J., Orlandi, Ph., Ortega, P., Osborne, J., Otto, T., Palumbo, L., Papadopoulou, S., Papaphilippou, Y., Paraschou, K., Parente, C., Paret, S., Park, H., Parma, V., Pasquino, Ch., Patapenka, A., Patnaik, L., Pattalwar, S., Payet, J., Pechaud, G., Pellegrini, D., Pepinster, P., Perez, J., Espinos, J. Perez, Marcone, A. Perillo, Perin, A., Perini, P., Persson, T.H.B., Peterson, T., Pieloni, T., Pigny, G., Pinheiro de Sousa, J.P., Pirotte, O., Plassard, F., Pojer, M., Pontercorvo, L., Poyet, A., Prelipcean, D., Prin, H., Principe, R., Pugnat, T., Qiang, J., Quaranta, E., Rafique, H., Rakhno, I., Duarte, D. Ramos, Ratti, A., Ravaioli, E., Raymond, M., Redaelli, S., Renaglia, T., Ricci, D., Riddone, G., Rifflet, J., Rigutto, E., Rijoff, T., Rinaldesi, R., Riu Martinez, O., Rivkin, L., Rodriguez Mateos, F., Roesler, S., Romera Ramirez, I., Rossi, A., Rossi, L., Rude, V., Rumolo, G., Rutkovksi, J., Sabate Gilarte, M., Sabbi, G., Sahner, T., Salemme, R., Salvant, B., Galan, F. Sanchez, Santamaria Garcia, A., Santillana, I., Santini, C., Santos, O., Diaz, P. Santos, Sasaki, K., Savary, F., Sbrizzi, A., Schaumann, M., Scheuerlein, C., Schmalzle, J., Schmickler, H., Schmidt, R., Schoerling, D., Segreti, M., Serluca, M., Serrano, J., Sestak, J., Shaposhnikova, E., Shatilov, D., Siemko, A., Sisti, M., Sitko, M., Skarita, J., Skordis, E., Skoufaris, K., Skripka, G., Smekens, D., Sobiech, Z., Sosin, M., Sorbio, M., Soubelet, F., Spataro, B., Spiezia, G., Stancari, G., Staterao, M., Steckert, J., Steele, G., Sterbini, G., Struik, M., Sugano, M., Szeberenyi, A., Taborelli, M., Tambasco, C., Rego, R. Tavares, Tavian, L., Teissandier, B., Templeton, N., Therasse, M., Thiesen, H., Thomas, E., Toader, A., Todesco, E., Tomás, R., Toral, F., Torres-Sanchez, R., Trad, G., Triantafyllou, N., Tropin, I., Tsinganis, A., Tuckamantel, J., Uythoven, J., Valishev, A., Van Der Veken, F., Van Weelderen, R., Vande Craen, A., Vazquez De Prada, B., Velotti, F., Verdu Andres, S., Verweij, A., Shetty, N. Vittal, Vlachoudis, V., Volpini, G., Wagner, U., Wanderer, P., Wang, M., Wang, X., Wanzenberg, R., Wegscheider, A., Weisz, S., Welsch, C., Wendt, M., Wenninger, J., Weterings, W., White, S., Widuch, K., Will, A., Willering, G., Wollmann, D., Wolski, A., Wozniak, J., Wu, Q., Xiao, B., Xiao, L., Xu, Q., Yakovlev, Y., Yammine, S., Yang, Y., Yu, M., Zacharov, I., Zagorodnova, O., Zannini, C., Zanoni, C., Zerlauth, M., Zimmermann, F., Zlobin, A., Zobov, M., and Zurbano Fernandez, I.

Subjects
Accelerators and Storage Rings
Abstract

The Large Hadron Collider (LHC) is one of the largest scientific instruments ever built. Since opening up anew energy frontier for exploration in 2010, it has gathered a global user community of about 9000 scientists working in fundamental particle physics and the physics of hadronic matter at extreme temperature and density. To sustain and extend its discovery potential, the LHC will need a major upgrade in the 2020s. This will increase its instantaneous luminosity (rate of collisions) by a factor of five beyond the original design valueand the integrated luminosity (totalnumber of collisions) by a factor ten. The LHC is already a highly complexand exquisitely optimised machine so this upgrade must be carefully conceived and will require new infrastructures(underground and on surface)and over a decade to implement. The new configuration, known as High Luminosity LHC (HL-LHC), relies on a number of key innovations that push accelerator technology beyond its present limits. Among these are cutting-edge 11–12Tesla superconducting magnets, compact superconducting cavities for beam rotation with ultra-precise phase control, new technology and physical processes for beam collimation and 100 metre-long high-power superconducting links with negligible energy dissipation, all of which required several years of dedicated R&D; effort on a global international level. The present document describes the technologies and components that will be used to realise the projectand is intended to serve as the basis for the detailed engineering design of the HL-LHC.

Published
2020

3. Performance Testing of Superconducting RF cavities at CERN in the post construction era of the LHC

Author

Macpherson, A., Arzeo, M., Aull, S., Barriere, S., Biessy, J., Bizzaglia, S., Castilla, A., Essombe, J-P., Fernandez Lopez, P., Frere-Bouniol, B., Furci, H., Gourragne, M., Stapley, N., Teixeira Lopez, S., Therasse, M., Turaj, K., Venturini Delsolaro, W., Xydou, A., Hernandez Chahin, K., Karppinen, M., Maesen, P., Miyazaki, A., Pechaud, G., Sancho Cabrera, E., Schwerg, N., Schirm, K., Shipman, N., Smekens, D., Krawczyk, A., Prochal, B., Wartak, M., and Zwoźniak, A.

Published
2017

4. Cold Powering Performance of the First 2 m Nb3Sn DS11T Twin-Aperture Model Magnet at CERN

Author

Willering, G. P., primary, Bajko, M., additional, Bajas, H., additional, Bordini, B., additional, Bottura, L., additional, Feuvrier, J., additional, Fiscarelli, L., additional, Guinchard, M., additional, Izquierdo Bermudez, S., additional, Karppinen, M., additional, Loffler, C., additional, Perez, J.-C., additional, de Rijk, G., additional, Savary, F., additional, and Smekens, D., additional

Published
2017
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5. 11 T Twin-Aperture Nb$_3$Sn Dipole Development for LHC Upgrades

Author

Zlobin, A V, Andreev, N, Apollinari, G, Auchmann, B, Barzi, E, Izquierdo Bermudez, S, Bossert, R, Buehler, M, Chlachidze, G, DiMarco, J, Karppinen, M, Nobrega, F, Novitski, I, Rossi, L, Smekens, D, Tartaglia, M, Turrioni, D, and Velev, Genadi

Subjects
Physics::Instrumentation and Detectors, Physics::Accelerator Physics, Accelerators and Storage Rings
Abstract

FNAL and CERN are developing a twin-aperture 11 T Nb$_{3}$Sn dipole suitable for installation in the LHC. This paper describes the design and parameters of the 11 T dipole developed at FNAL for the LHC upgrades in both single-aperture and twin-aperture configurations, and presents details of the constructed dipole models. Results of studies of magnet quench performance, quench protection and magnetic measurements performed using short 1 m long coils in the dipole mirror and single-aperture configurations are reported and discussed. FNAL and CERN are developing a twin-aperture 11-T Nb_3Sn dipole suitable for installation in the LHC. This paper describes the design and parameters of the 11-T dipole developed at FNAL for the LHC upgrades in both single-aperture and twin-aperture configurations, and presents details of the constructed dipole models. Results of studies of magnet quench performance, quench protection, and magnetic measurements performed using short 1-m-long coils in the dipole mirror and single-aperture configurations are reported and discussed.

Published
2015

6. Chapter 11: 11 T Dipole for the Dispersion Suppressor Collimators

Author

Karppinen, M., Izquierdo Bermudez, S., Nobrega, A., Prin, H., Ramos, D., Redaelli, S., Savary, F., Smekens, D., and Zlobin, A.

Subjects
Physics::Instrumentation and Detectors, Accelerators and Storage Rings
Abstract

Chapter 11 in High-Luminosity Large Hadron Collider (HL-LHC) : Preliminary Design Report. The Large Hadron Collider (LHC) is one of the largest scientific instruments ever built. Since opening up a new energy frontier for exploration in 2010, it has gathered a global user community of about 7,000 scientists working in fundamental particle physics and the physics of hadronic matter at extreme temperature and density. To sustain and extend its discovery potential, the LHC will need a major upgrade in the 2020s. This will increase its luminosity (rate of collisions) by a factor of five beyond the original design value and the integrated luminosity (total collisions created) by a factor ten. The LHC is already a highly complex and exquisitely optimised machine so this upgrade must be carefully conceived and will require about ten years to implement. The new configuration, known as High Luminosity LHC (HL-LHC), will rely on a number of key innovations that push accelerator technology beyond its present limits. Among these are cutting-edge 11-12 tesla superconducting magnets, compact superconducting cavities for beam rotation with ultra-precise phase control, new technology and physical processes for beam collimation and 300 metre-long high-power superconducting links with negligible energy dissipation. The present document describes the technologies and components that will be used to realise the project and is intended to serve as the basis for the detailed engineering design of HL-LHC.

Published
2015

7. Status of 11T 2-in-1 Nb$_{3}$Sn dipole development for LHC

Author

Zlobin, AV, Andreev, N, Apollinari, G, Barzi, E, Bossert, R, Buehler, M, Chlachidze, G, DiMarco, J, Nobrega, A, Novitski, I, Turrioni, D, Velev, G, Auchmann, B, Karppinen, M, Rossi, L, and Smekens, D

Subjects
Physics::Instrumentation and Detectors, High Energy Physics::Phenomenology, Physics::Accelerator Physics, Accelerators and Storage Rings
Abstract

The LHC upgrade plans foresee installation of additional collimators in the LHC lattice. To provide the necessary longitudinal space for these collimators, shorter and stronger Nb$_{3}$Sn dipoles compatible with the LHC lattice and main systems could be used. This paper describes the design and status of the twin-aperture Nb$_{3}$Sn dipole being developed by FNAL and CERN for the LHC, and reports test results of two collared coils to be used in the first 1 m long twin-aperture dipole model.

Published
2014

8. Field Quality Study of a 1-m-Long Single-Aperture 11-T Nb$_3$Sn Dipole Model for LHC Upgrades

Author

Chlachidze, G, DiMarco, J, Andreev, N, Apollinari, G, Auchmann, B, Barzi, E, Bossert, R, Fiscarelli, L, Karppinen, M, Nobrega, F, Novitski, I, Rossi, L, Smekens, D, Turrioni, D, Velev, G V, and Zlobin, A V

Subjects
Physics::Instrumentation and Detectors, Physics::Accelerator Physics, Accelerators and Storage Rings
Abstract

FNAL and CERN are carrying out a joint R&D; program with the goal of building a 5.5-m-long twin-aperture 11-T Nb_3Sn dipole prototype that is suitable for installation in the LHC. An important part of the program is the development and test of a series of short single-aperture and twin-aperture dipole models with a nominal field of 11 T at the LHC operation current of 11.85 kA and 20% margin. This paper presents the results of magnetic measurements of a 1-m-long single-aperture Nb_3Sn dipole model fabricated and tested recently at FNAL, including geometrical field harmonics and effects of coil magnetization and iron yoke saturation.

Published
2014

10. The 11 T Dipole for HL-LHC: Status and Plan

Author

Savary, F., primary, Barzi, E., additional, Bordini, B., additional, Bottura, L., additional, Chlachidze, G., additional, Ramos, D., additional, Izquierdo Bermudez, S., additional, Karppinen, M., additional, Lackner, F., additional, Loffler, C. H., additional, Moron-Ballester, R., additional, Nobrega, A., additional, Perez, J. C., additional, Prin, H., additional, Smekens, D., additional, de Rijk, G., additional, Redaelli, S., additional, Rossi, L., additional, Willering, G., additional, Zlobin, A. V., additional, and Giovannozzi, M., additional

Published
2016
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11. Study of Mechanical Models of a Single-Aperture 11 T Nb$_3$Sn Dipole

Author

Novitski, I, Andreev, N, Auchmann, B, Barzi, E, Bossert, R, Karppinen, M, Nobrega, A, Smekens, D, and Zlobin, A V

Subjects
Physics::Accelerator Physics, High Energy Physics::Experiment, Accelerators and Storage Rings
Abstract

Fermilab and CERN have a joint R&D; program with the goal of building a 5.5-m-long twin-aperture Nb$_3$Sn dipole magnet suitable for installation in the Large Hadron Collider. The first step of this program is the development of a 2-m-long single-aperture demonstration dipole with the nominal field of 11 T at the Large Hadron Collider nominal current of 11.85 kA, 60 mm bore and ~ 20% margin. Prior to the construction of the real magnets, a shorter section of the magnet straight part was assembled to validate the results of the structural finite element analysis and to gain experience with magnet assembly. This paper summarizes the lessons learned from this mechanical model.

Published
2013

12. Accelerator Magnet R&D in the Perspective of a LHeC and HE-LHC - Synergy or Competion?

Author

Bottura, L, Auchmann, B, Bajko, M, Ballarino, A, Borgnolutti, F, Ferracin, P, Fessia, P, Karppinen, M, Kirby, G, Oberli, L, Perez, J C, Rossi, L, De Rijk, G, Russenschuck, S, Smekens, D, Todesco, E, and Tommasini, D

Subjects
Physics::Instrumentation and Detectors, Accelerators and Storage Rings
Abstract

Beyond HL-LHC, CERN has a number of physics options that offer potential and challenges. This contribution dwells on the long-term projects HE-LHC and LHeC to put the magnet R&D at CERN (resistive and superconducting, slow and fast) in a long-term perspective. In particular synergies and parallel roadmaps will be highlighted. We will show how the on-going development (2012-2015) on low-field, high-field, and low-loss magnets can be used towards longer term objectives.

Published
2012

13. Status of the 11 T$\hbox{Nb}_{3}\hbox{Sn}$ Dipole Project for the LHC

Author

Savary, F., primary, Andreev, N., additional, Apollinari, G., additional, Auchmann, B., additional, Barzi, E., additional, Bruce, R., additional, Chlachidze, G., additional, De Maria, R., additional, DiMarco, J., additional, Duarte Ramos, D., additional, Giovannozzi, M., additional, Holzer, B., additional, Jowett, J. M., additional, Izquierdo Bermudez, S., additional, Karppinen, M., additional, Kirby, G., additional, Lackner, F., additional, Moron-Ballester, R., additional, Nobrega, A. R., additional, Novitski, I., additional, Oberli, L., additional, Parma, V., additional, Perez, J. C., additional, Prin, H., additional, Redaelli, S., additional, Rossi, L., additional, Smekens, D., additional, Thiesen, H., additional, Turrioni, D., additional, Velev, G., additional, and Zlobin, A. V., additional

Published
2015
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14. 11-T Twin-Aperture$\hbox{Nb}_{3}\hbox{Sn}$ Dipole Development for LHC Upgrades

Author

Zlobin, A. V., primary, Andreev, N., additional, Apollinari, G., additional, Auchmann, B., additional, Barzi, E., additional, Izquierdo Bermudez, S., additional, Bossert, R., additional, Buehler, M., additional, Chlachidze, G., additional, DiMarco, J., additional, Karppinen, M., additional, Nobrega, F., additional, Novitski, I., additional, Rossi, L., additional, Smekens, D., additional, Tartaglia, M., additional, Turrioni, D., additional, and Velev, G., additional

Published
2015
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15. Quench Performance of a 1 m Long Single-Aperture 11 T $ \hbox{Nb}_{3}\hbox{Sn}$ Dipole Model for LHC Upgrades

Author

Zlobin, A. V., primary, Andreev, N., additional, Apollinari, G., additional, Auchmann, B., additional, Bajas, H., additional, Barzi, E., additional, Bossert, R., additional, Chlachidze, G., additional, Karppinen, M., additional, Nobrega, F., additional, Novitski, I., additional, Rossi, L., additional, Smekens, D., additional, and Turrioni, D., additional

Published
2014
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16. Field Quality Study of a 1-m-Long Single-Aperture 11-T$\hbox{Nb}_{3}\hbox{Sn}$ Dipole Model for LHC Upgrades

Author

Chlachidze, G., primary, DiMarco, J., additional, Andreev, N., additional, Apollinari, G., additional, Auchmann, B., additional, Barzi, E., additional, Bossert, R., additional, Fiscarelli, L., additional, Karppinen, M., additional, Nobrega, F., additional, Novitski, I., additional, Rossi, L., additional, Smekens, D., additional, Turrioni, D., additional, Velev, G. V., additional, and Zlobin, A. V., additional

Published
2014
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17. Field Quality Measurements in a Single-Aperture 11 T $ \hbox{Nb}_{3}\hbox{Sn}$ Demonstrator Dipole for LHC Upgrades

Author

Andreev, N., primary, Apollinari, G., additional, Auchmann, B., additional, Barzi, E., additional, Bossert, R., additional, Chlachidze, G., additional, DiMarco, J., additional, Karppinen, M., additional, Nobrega, F., additional, Novitski, I., additional, Rossi, L., additional, Smekens, D., additional, Turrioni, D., additional, Velev, G. V., additional, and Zlobin, A. V., additional

Published
2013
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18. Quench Protection Study of a Single-Aperture 11 T $ \hbox{Nb}_{3}\hbox{Sn}$ Demonstrator Dipole for LHC Upgrades

Author

Chlachidze, G., primary, Andreev, N., additional, Apollinari, G., additional, Auchmann, B., additional, Barzi, E., additional, Bossert, R., additional, Karppinen, M., additional, Nobrega, F., additional, Novitski, I., additional, Rossi, L., additional, Smekens, D., additional, Tartaglia, M., additional, Yamada, R., additional, and Zlobin, A. V., additional

Published
2013
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20. Development and Test of a Single-Aperture 11 T $ \hbox{Nb}_{3}\hbox{Sn}$ Demonstrator Dipole for LHC Upgrades

Author

Zlobin, A. V., primary, Andreev, N., additional, Apollinari, G., additional, Auchmann, B., additional, Barzi, E., additional, Bossert, R., additional, Chlachidze, G., additional, Karppinen, M., additional, Nobrega, F., additional, Novitski, I., additional, Rossi, L., additional, Smekens, D., additional, Turrioni, D., additional, and Yamada, R., additional

Published
2013
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21. Engineering Design and Manufacturing Challenges for a Wide-Aperture, Superconducting Quadrupole Magnet

Author

Kirby, G. A., primary, Auchmann, B., additional, Bielert, E., additional, Durante, M., additional, Fessia, P., additional, Karppinen, M., additional, Lepoittevin, B., additional, Lorin, C., additional, Luzieux, S., additional, Perez, J. C., additional, Russenschuck, S., additional, Sahner, T., additional, Segreti, M., additional, and Smekens, D., additional

Published
2012
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24. Field Quality Study of a 1-m-Long Single-Aperture 11-T \Nb3\Sn Dipole Model for LHC Upgrades.

Author

Chlachidze, G., DiMarco, J., Andreev, N., Apollinari, G., Auchmann, B., Barzi, E., Bossert, R., Fiscarelli, L., Karppinen, M., Nobrega, F., Novitski, I., Rossi, L., Smekens, D., Turrioni, D., Velev, G. V., and Zlobin, A. V.

Subjects
MAGNETIC measurements, SUPERCONDUCTING magnets, ACCELERATOR magnets, MAGNETIZATION, MAGNETICS
Abstract

FNAL and CERN are carrying out a joint R&D program with the goal of building a 5.5-m-long twin-aperture 11-T \Nb3\Sn dipole prototype that is suitable for installation in the LHC. An important part of the program is the development and test of a series of short single-aperture and twin-aperture dipole models with a nominal field of 11 T at the LHC operation current of 11.85 kA and 20% margin. This paper presents the results of magnetic measurements of a 1-m-long single-aperture \Nb3\Sn dipole model fabricated and tested recently at FNAL, including geometrical field harmonics and effects of coil magnetization and iron yoke saturation. [ABSTRACT FROM PUBLISHER]

Published
2014
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25. Quench Performance of a 1 m Long Single-Aperture 11 T \Nb3\Sn Dipole Model for LHC Upgrades.

Author

Zlobin, A. V., Andreev, N., Apollinari, G., Auchmann, B., Bajas, H., Barzi, E., Bossert, R., Chlachidze, G., Karppinen, M., Nobrega, F., Novitski, I., Rossi, L., Smekens, D., and Turrioni, D.

Subjects
DIPOLE-dipole forces, OPTICAL apertures, ACCELERATOR magnets, LARGE Hadron Collider, MAGNETS
Abstract

FNAL and CERN are performing an R&D program with the goal of developing a 5.5 m long twin-aperture 11 T \Nb3\Sn dipole suitable for installation in the Large Hadron Collider (LHC). An important part of the program is the development and test of a series of short single-aperture and twin-aperture models with a nominal field of 11 T at the LHC nominal current of 11.85 kA and 20% margin. This paper describes design and fabrication features, and test results of a 1 m long single-aperture \Nb3\Sn dipole model tested at FNAL. [ABSTRACT FROM PUBLISHER]

Published
2014
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26. Design and Fabrication of a Single-Aperture 11 T Nb3Sn Dipole Model for LHC Upgrades.

Author

Zlobin, A. V., Andreev, N., Apollinari, G., Auchmann, B., Barzi, E., Bossert, R., Karppinen, M., Nobrega, F., Novitski, I., Rossi, L., Smekens, D., Turrioni, D., and Yamada, R.

Subjects
LARGE Hadron Collider, DIPOLE moments, SUPERCONDUCTING magnets, COLLIMATORS, MAGNETIC fields, SUPERCONDUCTING cables, LATTICE theory
Abstract

The planned upgrade of the LHC collimation system includes additional collimators to be installed in the dispersion suppressor areas of points 2, 3 and 7. To provide the necessary longitudinal space for the collimators, a replacement of 8.33 T Nb-Ti LHC main dipoles with 11 T dipoles based on Nb3Sn superconductor compatible with the LHC lattice and main systems is being considered. To demonstrate this possibility FNAL and CERN have started a joint program to develop a 2 m long single-aperture dipole magnet with the nominal field of 11 T at \sim11.85 kA current and 60 mm bore. This paper describes the demonstrator magnet magnetic and mechanical designs and analysis, coil fabrication procedure. The Nb3Sn strand and cable parameters and test results are also reported. [ABSTRACT FROM PUBLISHER]

Published
2012
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27. Design of 11 T Twin-Aperture Nb3Sn Dipole Demonstrator Magnet for LHC Upgrades.

Author

Karppinen, M., Andreev, N., Apollinari, G., Auchmann, B., Barzi, E., Bossert, R., Kashikhin, V. V., Nobrega, A., Novitski, I., Rossi, L., Smekens, D., and Zlobin, A. V.

Subjects
LARGE Hadron Collider, ACCELERATOR magnets, DISPERSION (Chemistry), COLLIMATORS, DIPOLE moments, MAGNETIC fields, ELECTROMAGNETISM, COILS (Magnetism)
Abstract

The LHC collimation upgrade foresees two additional collimators installed in the dispersion suppressor regions of points 2, 3 and 7. To obtain the necessary longitudinal space for the collimators, a solution based on an 11 T dipole as replacement of the 8.33 T LHC main dipoles is being considered. CERN and FNAL have started a joint development program to demonstrate the feasibility of Nb3Sn technology for this purpose. The program started with the development and test of a 2-m-long single-aperture demonstrator magnet. The goal of the second phase is the design and construction of a series of 2-m-long twin-aperture demonstrator magnets with a nominal field of 11 T at 11.85 kA current. This paper describes the electromagnetic design and gives a forecast of the field quality including saturation of the iron yoke and persistent-current effects in the Nb3Sn coils. The mechanical design concepts based on separate collared coils, assembled in a vertically split iron yoke are also discussed. [ABSTRACT FROM PUBLISHER]

Published
2012
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