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1. Erratum: Towards a muon collider

Author

Carlotta Accettura, Dean Adams, Rohit Agarwal, Claudia Ahdida, Chiara Aimè, Nicola Amapane, David Amorim, Paolo Andreetto, Fabio Anulli, Robert Appleby, Artur Apresyan, Aram Apyan, Sergey Arsenyev, Pouya Asadi, Mohammed Attia Mahmoud, Aleksandr Azatov, John Back, Lorenzo Balconi, Laura Bandiera, Roger Barlow, Nazar Bartosik, Emanuela Barzi, Fabian Batsch, Matteo Bauce, J. Scott Berg, Andrea Bersani, Alessandro Bertarelli, Alessandro Bertolin, Kevin Black, Fulvio Boattini, Alex Bogacz, Maurizio Bonesini, Bernardo Bordini, Salvatore Bottaro, Luca Bottura, Alessandro Braghieri, Marco Breschi, Natalie Bruhwiler, Xavier Buffat, Laura Buonincontri, Philip N. Burrows, Graeme Burt, Dario Buttazzo, Barbara Caiffi, Marco Calviani, Simone Calzaferri, Daniele Calzolari, Rodolfo Capdevilla, Christian Carli, Fausto Casaburo, Massimo Casarsa, Luca Castelli, Maria Gabriella Catanesi, Lorenzo Cavallucci, Gianluca Cavoto, Francesco Giovanni Celiberto, Luigi Celona, Alessandro Cerri, Gianmario Cesarini, Cari Cesarotti, Grigorios Chachamis, Antoine Chance, Siyu Chen, Yang-Ting Chien, Mauro Chiesa, Anna Colaleo, Francesco Collamati, Gianmaria Collazuol, Marco Costa, Nathaniel Craig, Camilla Curatolo, David Curtin, Giacomo Da Molin, Magnus Dam, Heiko Damerau, Sridhara Dasu, Jorge de Blas, Stefania De Curtis, Ernesto De Matteis, Stefania De Rosa, Jean-Pierre Delahaye, Dmitri Denisov, Haluk Denizli, Christopher Densham, Radovan Dermisek, Luca Di Luzio, Elisa Di Meco, Biagio Di Micco, Keith Dienes, Eleonora Diociaiuti, Tommaso Dorigo, Alexey Dudarev, Robert Edgecock, Filippo Errico, Marco Fabbrichesi, Stefania Farinon, Anna Ferrari, Jose Antonio Ferreira Somoza, Frank Filthaut, Davide Fiorina, Elena Fol, Matthew Forslund, Roberto Franceschini, Rui Franqueira Ximenes, Emidio Gabrielli, Michele Gallinaro, Francesco Garosi, Luca Giambastiani, Alessio Gianelle, Simone Gilardoni, Dario Augusto Giove, Carlo Giraldin, Alfredo Glioti, Mario Greco, Admir Greljo, Ramona Groeber, Christophe Grojean, Alexej Grudiev, Jiayin Gu, Chengcheng Han, Tao Han, John Hauptman, Brian Henning, Keith Hermanek, Matthew Herndon, Tova Ray Holmes, Samuel Homiller, Guoyuan Huang, Sudip Jana, Sergo Jindariani, Paul Bogdan Jurj, Yonatan Kahn, Ivan Karpov, David Kelliher, Wolfgang Kilian, Antti Kolehmainen, Kyoungchul Kong, Patrick Koppenburg, Nils Kreher, Georgios Krintiras, Karol Krizka, Gordan Krnjaic, Benjamin T. Kuchma, Nilanjana Kumar, Anton Lechner, Lawrence Lee, Qiang Li, Roberto Li Voti, Ronald Lipton, Zhen Liu, Shivani Lomte, Kenneth Long, Jose Lorenzo Gomez, Roberto Losito, Ian Low, Qianshu Lu, Donatella Lucchesi, Lianliang Ma, Yang Ma, Shinji Machida, Fabio Maltoni, Marco Mandurrino, Bruno Mansoulie, Luca Mantani, Claude Marchand, Samuele Mariotto, Stewart Martin-Haugh, David Marzocca, Paola Mastrapasqua, Giorgio Mauro, Andrea Mazzolari, Navin McGinnis, Patrick Meade, Barbara Mele, Federico Meloni, Matthias Mentink, Claudia Merlassino, Elias Metral, Rebecca Miceli, Natalia Milas, Nikolai Mokhov, Alessandro Montella, Tim Mulder, Riccardo Musenich, Marco Nardecchia, Federico Nardi, Niko Neufeld, David Neuffer, Daniel Novelli, Yasar Onel, Domizia Orestano, Daniele Paesani, Simone Pagan Griso, Mark Palmer, Paolo Panci, Giuliano Panico, Rocco Paparella, Paride Paradisi, Antonio Passeri, Nadia Pastrone, Antonello Pellecchia, Fulvio Piccinini, Alfredo Portone, Karolos Potamianos, Marco Prioli, Lionel Quettier, Emilio Radicioni, Raffaella Radogna, Riccardo Rattazzi, Diego Redigolo, Laura Reina, Elodie Resseguie, Jürgen Reuter, Pier Luigi Ribani, Cristina Riccardi, Lorenzo Ricci, Stefania Ricciardi, Luciano Ristori, Tania Natalie Robens, Werner Rodejohann, Chris Rogers, Marco Romagnoni, Kevin Ronald, Lucio Rossi, Richard Ruiz, Farinaldo S. Queiroz, Filippo Sala, Jakub Salko, Paola Salvini, Ennio Salvioni, Jose Santiago, Ivano Sarra, Francisco Javier Saura Esteban, Jochen Schieck, Daniel Schulte, Michele Selvaggi, Carmine Senatore, Abdulkadir Senol, Daniele Sertore, Lorenzo Sestini, Varun Sharma, Vladimir Shiltsev, Jing Shu, Federica Maria Simone, Rosa Simoniello, Kyriacos Skoufaris, Massimo Sorbi, Stefano Sorti, Anna Stamerra, Steinar Stapnes, Giordon Holtsberg Stark, Marco Statera, Bernd Stechauner, Daniel Stolarski, Diktys Stratakis, Shufang Su, Wei Su, Olcyr Sumensari, Xiaohu Sun, Raman Sundrum, Maximilian J. Swiatlowski, Alexei Sytov, Tim M. P. Tait, Jingyu Tang, Jian Tang, Andrea Tesi, Pietro Testoni, Brooks Thomas, Emily Anne Thompson, Riccardo Torre, Ludovico Tortora, Luca Tortora, Sokratis Trifinopoulos, Ilaria Vai, Marco Valente, Riccardo Umberto Valente, Alessandro Valenti, Nicolò Valle, Ursula van Rienen, Rosamaria Venditti, Arjan Verweij, Piet Verwilligen, Ludovico Vittorio, Paolo Vitulo, Liantao Wang, Hannsjorg Weber, Mariusz Wozniak, Richard Wu, Yongcheng Wu, Andrea Wulzer, Keping Xie, Akira Yamamoto, Yifeng Yang, Katsuya Yonehara, Sangsik Yoon, Angela Zaza, Xiaoran Zhao, Alexander Zlobin, Davide Zuliani, and Jose Zurita

Subjects
Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Published
2024
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2. Towards a muon collider

Author

Carlotta Accettura, Dean Adams, Rohit Agarwal, Claudia Ahdida, Chiara Aimè, Nicola Amapane, David Amorim, Paolo Andreetto, Fabio Anulli, Robert Appleby, Artur Apresyan, Aram Apyan, Sergey Arsenyev, Pouya Asadi, Mohammed Attia Mahmoud, Aleksandr Azatov, John Back, Lorenzo Balconi, Laura Bandiera, Roger Barlow, Nazar Bartosik, Emanuela Barzi, Fabian Batsch, Matteo Bauce, J. Scott Berg, Andrea Bersani, Alessandro Bertarelli, Alessandro Bertolin, Kevin Black, Fulvio Boattini, Alex Bogacz, Maurizio Bonesini, Bernardo Bordini, Salvatore Bottaro, Luca Bottura, Alessandro Braghieri, Marco Breschi, Natalie Bruhwiler, Xavier Buffat, Laura Buonincontri, Philip N. Burrows, Graeme Burt, Dario Buttazzo, Barbara Caiffi, Marco Calviani, Simone Calzaferri, Daniele Calzolari, Rodolfo Capdevilla, Christian Carli, Fausto Casaburo, Massimo Casarsa, Luca Castelli, Maria Gabriella Catanesi, Lorenzo Cavallucci, Gianluca Cavoto, Francesco Giovanni Celiberto, Luigi Celona, Alessandro Cerri, Gianmario Cesarini, Cari Cesarotti, Grigorios Chachamis, Antoine Chance, Siyu Chen, Yang-Ting Chien, Mauro Chiesa, Anna Colaleo, Francesco Collamati, Gianmaria Collazuol, Marco Costa, Nathaniel Craig, Camilla Curatolo, David Curtin, Giacomo Da Molin, Magnus Dam, Heiko Damerau, Sridhara Dasu, Jorge de Blas, Stefania De Curtis, Ernesto De Matteis, Stefania De Rosa, Jean-Pierre Delahaye, Dmitri Denisov, Haluk Denizli, Christopher Densham, Radovan Dermisek, Luca Di Luzio, Elisa Di Meco, Biagio Di Micco, Keith Dienes, Eleonora Diociaiuti, Tommaso Dorigo, Alexey Dudarev, Robert Edgecock, Filippo Errico, Marco Fabbrichesi, Stefania Farinon, Anna Ferrari, Jose Antonio Ferreira Somoza, Frank Filthaut, Davide Fiorina, Elena Fol, Matthew Forslund, Roberto Franceschini, Rui Franqueira Ximenes, Emidio Gabrielli, Michele Gallinaro, Francesco Garosi, Luca Giambastiani, Alessio Gianelle, Simone Gilardoni, Dario Augusto Giove, Carlo Giraldin, Alfredo Glioti, Mario Greco, Admir Greljo, Ramona Groeber, Christophe Grojean, Alexej Grudiev, Jiayin Gu, Chengcheng Han, Tao Han, John Hauptman, Brian Henning, Keith Hermanek, Matthew Herndon, Tova Ray Holmes, Samuel Homiller, Guoyuan Huang, Sudip Jana, Sergo Jindariani, Paul Bogdan Jurj, Yonatan Kahn, Ivan Karpov, David Kelliher, Wolfgang Kilian, Antti Kolehmainen, Kyoungchul Kong, Patrick Koppenburg, Nils Kreher, Georgios Krintiras, Karol Krizka, Gordan Krnjaic, Benjamin T. Kuchma, Nilanjana Kumar, Anton Lechner, Lawrence Lee, Qiang Li, Roberto Li Voti, Ronald Lipton, Zhen Liu, Shivani Lomte, Kenneth Long, Jose Lorenzo Gomez, Roberto Losito, Ian Low, Qianshu Lu, Donatella Lucchesi, Lianliang Ma, Yang Ma, Shinji Machida, Fabio Maltoni, Marco Mandurrino, Bruno Mansoulie, Luca Mantani, Claude Marchand, Samuele Mariotto, Stewart Martin-Haugh, David Marzocca, Paola Mastrapasqua, Giorgio Mauro, Andrea Mazzolari, Navin McGinnis, Patrick Meade, Barbara Mele, Federico Meloni, Matthias Mentink, Claudia Merlassino, Elias Metral, Rebecca Miceli, Natalia Milas, Nikolai Mokhov, Alessandro Montella, Tim Mulder, Riccardo Musenich, Marco Nardecchia, Federico Nardi, Niko Neufeld, David Neuffer, Daniel Novelli, Yasar Onel, Domizia Orestano, Daniele Paesani, Simone Pagan Griso, Mark Palmer, Paolo Panci, Giuliano Panico, Rocco Paparella, Paride Paradisi, Antonio Passeri, Nadia Pastrone, Antonello Pellecchia, Fulvio Piccinini, Alfredo Portone, Karolos Potamianos, Marco Prioli, Lionel Quettier, Emilio Radicioni, Raffaella Radogna, Riccardo Rattazzi, Diego Redigolo, Laura Reina, Elodie Resseguie, Jürgen Reuter, Pier Luigi Ribani, Cristina Riccardi, Lorenzo Ricci, Stefania Ricciardi, Luciano Ristori, Tania Natalie Robens, Werner Rodejohann, Chris Rogers, Marco Romagnoni, Kevin Ronald, Lucio Rossi, Richard Ruiz, Farinaldo S. Queiroz, Filippo Sala, Jakub Salko, Paola Salvini, Ennio Salvioni, Jose Santiago, Ivano Sarra, Francisco Javier Saura Esteban, Jochen Schieck, Daniel Schulte, Michele Selvaggi, Carmine Senatore, Abdulkadir Senol, Daniele Sertore, Lorenzo Sestini, Varun Sharma, Vladimir Shiltsev, Jing Shu, Federica Maria Simone, Rosa Simoniello, Kyriacos Skoufaris, Massimo Sorbi, Stefano Sorti, Anna Stamerra, Steinar Stapnes, Giordon Holtsberg Stark, Marco Statera, Bernd Stechauner, Daniel Stolarski, Diktys Stratakis, Shufang Su, Wei Su, Olcyr Sumensari, Xiaohu Sun, Raman Sundrum, Maximilian J. Swiatlowski, Alexei Sytov, Tim M. P. Tait, Jingyu Tang, Jian Tang, Andrea Tesi, Pietro Testoni, Brooks Thomas, Emily Anne Thompson, Riccardo Torre, Ludovico Tortora, Luca Tortora, Sokratis Trifinopoulos, Ilaria Vai, Marco Valente, Riccardo Umberto Valente, Alessandro Valenti, Nicolò Valle, Ursula van Rienen, Rosamaria Venditti, Arjan Verweij, Piet Verwilligen, Ludovico Vittorio, Paolo Vitulo, Liantao Wang, Hannsjorg Weber, Mariusz Wozniak, Richard Wu, Yongcheng Wu, Andrea Wulzer, Keping Xie, Akira Yamamoto, Yifeng Yang, Katsuya Yonehara, Sangsik Yoon, Angela Zaza, Xiaoran Zhao, Alexander Zlobin, Davide Zuliani, and Jose Zurita

Subjects
Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract

Abstract A muon collider would enable the big jump ahead in energy reach that is needed for a fruitful exploration of fundamental interactions. The challenges of producing muon collisions at high luminosity and 10 TeV centre of mass energy are being investigated by the recently-formed International Muon Collider Collaboration. This Review summarises the status and the recent advances on muon colliders design, physics and detector studies. The aim is to provide a global perspective of the field and to outline directions for future work.

Published
2023
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3. External Coil Coupled Loss Induced Quench (E-CLIQ) System for the Protection of LTS Magnets

Author

Tim Mulder, Bernardo Bordini, Emmanuele Ravaioli, Erik Schnaubelt, Mariusz Wozniak, and Arjan Verweij

Subjects
Electrical and Electronic Engineering, Condensed Matter Physics, Accelerators and Storage Rings, Electronic, Optical and Magnetic Materials
Abstract

The next generation of Nb$_{3}$Sn accelerator magnets are pushed to higher magnetic fields, higher stored energy and higher energy density. This brings additional challenges when it comes to quench protection. At CERN, a fast quench protection system is under development that introduces normal zones directly in the coil's conductor by inductive heating. This system is called External coil Coupled Loss Induced Quench (E-CLIQ). The E-CLIQ device comprises many small copper coils that are strategically placed near the main coils. Once a quench is detected, a capacitor is discharged in to the E-CLIQ coils, resulting in the characteristic damped oscillating current of an RLC circuit. This results in a large, but local applied dB/dt on the conductor of the main magnet system, which locally heats it by induced interfilament and interstrand coupling loss. Such a system has the advantage of being fast by introducing normal zones in potentially less than 10 ms, it doesn't rely on heat flow through the insulation layers of the coil, as is the case with traditional quench heaters, and it is not electrically connected to the main circuit. In this paper, the E-CLIQ system is introduced, several first demonstrator coils are presented and the results of a first proof-of-concept test are shown. The next generation of Nb 3 Sn accelerator magnets are pushed to higher magnetic fields, higher stored energy and higher energy density. This brings additional challenges when it comes to quench protection. At CERN, a fast quench protection system is under development that introduces normal zones directly in the coil's conductor by inductive heating. This system is called External coil Coupled Loss Induced Quench (E-CLIQ). The E-CLIQ device comprises many small copper coils that are strategically placed near the main coils. Once a quench is detected, a capacitor is discharged in to the E-CLIQ coils, resulting in the characteristic damped oscillating current of an RLC circuit. This results in a large, but local applied dB/dt on the conductor of the main magnet system, which locally heats it by induced interfilament and interstrand coupling loss. Such a system has the advantage of being fast by introducing normal zones in potentially less than 10 ms, it doesn't rely on heat flow through the insulation layers of the coil, as is the case with traditional quench heaters, and it is not electrically connected to the main circuit. In this paper, the E-CLIQ system is introduced, several first demonstrator coils are presented and the results of a first proof-of-concept test are shown.

Published
2023
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5. Assembly and test results of the RMM1a,b magnet, a CERN technology demonstrator towards Nb3Sn ultimate performance

Author

Emma Gautheron, Bernardo Bordini, Guillaume Campagna, Hélène Felice, Jerome Fleiter, Michael Guinchard, Susana Izquierdo Bermudez, Sylvain Mugnier, Juan Carlos Perez, Carlo Petrone, Davide Tommasini, and Gerard Willering

Subjects
Electrical and Electronic Engineering, Condensed Matter Physics, Electronic, Optical and Magnetic Materials
Published
2023
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7. Modelling V-I Measurements of Nb3Sn Accelerator Magnets with Conductor Degradation

Author

Ruben Keijzer, Giovanni Succi, Gerard Willering, Bernardo Bordini, Luca Bottura, Franco Mangiarotti, Marc Dhalle, Herman Ten Kate, and Energy, Materials and Systems

Subjects
Nonhomogeneous media, Coils, Voltage, Voltage measurement, Condensed Matter Physics, Current measurement, Electronic, Optical and Magnetic Materials, Degradation, continuum model, Rutherford cables, Superconducting magnets, Nb3Sn, superconducting accelerator magnets, 22/1 OA procedure, Electrical and Electronic Engineering
Abstract

In the framework of the High-Luminosity Large Hadron Collider (HL-LHC) project, 11 T dipole and MQXF quadrupole magnets employing Nb3Sn technology have been tested in short and long test configurations. Nb3Sn magnets are more sensitive than Nb-Ti magnets to a potential degradation of their conductors during production, testing, and cycling operation. At CERN, new diagnostic tools and measurement procedures have been developed to investigate, in detail, the performance of Nb3Sn accelerator type magnets. This is accomplished by V-I measurements extracted from voltage taps on conductor sections as well as entire coils. A leading hypothesis for the cause of decaying voltages on current plateaus of the V-I measurements is the presence of an inhomogeneous defect in the Rutherford cable. Current redistribution for bypassing such defects takes place through a current diffusion process, which leads to a decaying voltage over the affected cable sections. Using the simulation software THEA, the general behavior of this phenomenon has been studied. Good qualitative agreement is found between simulation and magnet test results.

Published
2022

8. Performance of a MQXF Nb$_3$Sn Quadrupole Magnet Under Different Stress Level

Author

Susana Izquierdo Bermudez, Giorgio Ambrosio, Bernardo Bordini, Nicolas Bourcey, Arnaud Devred, Paolo Ferracin, Jose Ferradas Troitino, Salvador Ferradas Troitino, Lucio Fiscarelli, Jerome Fleiter, Michael Guinchard, Franco Mangiarotti, Juan Carlos Perez, Eelis Takala, and Ezio Todesco

Subjects
musculoskeletal, neural, and ocular physiology, FOS: Physical sciences, Physics - Applied Physics, Applied Physics (physics.app-ph), Electrical and Electronic Engineering, Condensed Matter Physics, Physics::Classical Physics, physics.app-ph, human activities, Electronic, Optical and Magnetic Materials, Particle Physics - Phenomenology
Abstract

In a dipole or in a quadrupole accelerator magnet, the displacement of the coil turns induced by the electromagnetic forces can cause quenches limiting the magnet performance. For this reason, an azimuthal preload is applied to avoid azimuthal movements of the coil up to the required operational current. However, several tests showed that accelerator magnets can operate with a partial preload, i.e., that coil unloading during the ramp does not prevent reaching higher currents. This issue is particularly relevant for Nb 3 Sn magnets, where the loads applied to the Nb 3 Sn filaments can reach the degradation limits of critical current. In order to investigate the impact of coil preload on the quench performance, the MQXFS6 short model quadrupole for the High Luminosity Upgrade was tested under an azimuthal pre-load at 80% of the short sample current, reaching 93% of short sample current at 1.9 K. The preload was then released to 60%, still showing ability to operate in the range of 80--85% of short sample current as required by HL-LHC project. With this lower preload, the ability of going above 90% of short sample was lost, and a significant training appeared above 85%. When the preload was restored to the original 80% value, the magnet reached with few quenches 95% of short sample (13.4 T peak field). Magnetic measurements confirm the larger movement of the coil in the case with lower preload, and agree with finite element simulations. In a dipole or in a quadrupole accelerator magnet, the displacement of the coil turns induced by the electromagnetic forces can cause quenches limiting the magnet performance. For this reason, an azimuthal preload is applied to avoid azimuthal movements of the coil up to the required operational current. However, several tests showed that accelerator magnets can operate with a partial preload, i.e. that coil unloading during the ramp does not prevent reaching higher currents. This issue is particularly relevant for Nb$_3$Sn magnets, where the loads applied to the Nb$_3$Sn filaments can reach the degradation limits of critical current. In order to investigate the impact of coil preload on the quench performance, the MQXFS6 short model quadrupole for the High Luminosity Upgrade was tested under an azimuthal preload at 80% of the short sample current, reaching 93% of short sample current at 1.9 K. The preload was then released to 60%, still showing ability to operate in the range of 80-85% of short sample current as required by HL-LHC project. With this lower preload, the ability of going above 90% of short sample was lost, and a significant training appeared above 85%. When the preload was restored to the original 80% value, the magnet reached with few quenches 95% of short sample (13.4 T peak field). Magnetic measurements confirm the larger movement of the coil in the case with lower preload, and agree with finite element simulations. In a dipole or in a quadrupole accelerator magnet, the displacement of the coil turns induced by the electromagnetic forces can cause quenches limiting the magnet performance. For this reason, an azimuthal preload is applied to avoid azimuthal movements of the coil up to the required operational current. However, several tests showed that accelerator magnets can operate with a partial preload, i.e. that coil unloading during the ramp does not prevent reaching higher currents. This issue is particularly relevant for Nb$_3$Sn magnets, where the loads applied to the Nb$_3$Sn filaments can reach the degradation limits of critical current. In order to investigate the impact of coil preload on the quench performance, the MQXFS6 short model quadrupole for the High Luminosity Upgrade was tested under an azimuthal preload at 80% of the short sample current, reaching 93% of short sample current at 1.9 K. The preload was then released to 60%, still showing ability to operate in the range of 80-85% of short sample current as required by HL-LHC project. With this lower preload, the ability of going above 90% of short sample was lost, and a significant training appeared above 85%. When the preload was restored to the original 80% value, the magnet reached with few quenches 95% of short sample (13.4 T peak field). Magnetic measurements confirm the larger movement of the coil in the case with lower preload, and agree with finite element simulations.

Published
2022

9. A procedural solution for determining the temperature dependence of transport critical current in Nb3Sn superconducting wires using magnetization measurements

Author

Ian Pong, Jack Ekin, Thomas Baumgartner, Bernardo Bordini, and Najib Cheggour

Subjects
Materials Chemistry, Metals and Alloys, Ceramics and Composites, Electrical and Electronic Engineering, Condensed Matter Physics
Abstract

Using magnetization techniques to determine the temperature dependence of critical current in Nb3Sn wires is attractive because of the relative ease compared with using variable-temperature transport measurements. However, there is a known mismatch in the temperature scaling characterizations when using magnetization data compared to transport data. From a practical standpoint, it is the transport properties that matter, as performance prediction, margin calculations, and other aspects of magnet designs rely on the knowledge of the amount of transport current the superconductor can carry in a magnetic field. In this paper, we will identify the underlying issues and propose a procedural solution for determining the temperature dependence of transport critical current in Nb3Sn superconducting wires using magnetization measurements. By using one standard transport measurement at 4.2 K as an ‘anchor’, with this procedural solution it becomes possible to combine the simplicity and economy of quick magnetization measurements at different temperatures with the accurate prediction of transport properties in extrapolated temperature ranges. This study is based on experimental data using internal tin-type wire, but we also address the theoretical implications that would be generally applicable to other wire designs. The strength of our analysis is that our work leads to proposed procedures that improve the accuracy of the temperature scaling even if the assumed pinning curve shape does not fit the data as well at some temperatures, whether those temperatures are close to 4.2 K or to T C.

Published
2022
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