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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
Full Text
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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. CFD Investigations on Heavy Liquid Metal Alternative Target Design for the SPS Beam Dump Facility

Author

Marco Calviani, Carlo Carrelli, Antonio Cervone, Pietro Cioli Puviani, Ivan Di Piazza, Luigi Salvatore Esposito, Sandro Manservisi, Giuseppe Mazzola, Luca Tricarico, and Rui Franqueira Ximenes

Subjects
beam dump facility (BDF), liquid metals, CFD, Technology
Abstract

This study introduces numerical advancements in an alternative design for the Super Proton Synchrotron (SPS) Beam Dump Facility (BDF) at the European Laboratory for Particle Physics (CERN). The design envisions a high-power operation target made of flowing liquid lead. The proposed BDF is a versatile facility for both beam-dump-like and fixed-target experiments. The target behavior is studied, assuming a proton beam with a momentum of 400 GeV/c, a pulse frequency of 1/7.2 Hz, and an average beam power of 355 kW. Using various Computational Fluid Dynamics (CFD) codes, we evaluate the behavior of liquid lead and predict the thermal stress on the target vessel induced by the pulsed heat source generated by the charged particle beam. The comparison increases the reliability of the results, investigating the dependencies on the CFD modeling approach. The beam is a volumetric heat source with data from the beam-lead interaction simulations provided by the European Laboratory for Particle Physics and obtained with a Monte Carlo code. Velocity field and stress profiles can enhance the design of the lead loop and verify its viability and safety when operated with a liquid metal target.

Published
2024
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4. Design of the third-generation lead-based neutron spallation target for the neutron time-of-flight facility at CERN

Author

Marc Timmins, Roland Logé, V. Vlachoudis, Francesco Dragoni, Nicola Colonna, Laurene Giordanino, O. Aberle, Raffaele Esposito, C. Domingo-Pardo, Pierre Moyret, Ana Teresa Perez Fontenla, Fabio Pozzi, Daniel Cano-Ott, F. Gunsing, Rui Franqueira Ximenes, Thibaut Coiffet, Vincent Maire, Massimo Barbagallo, Antonio Perillo-Marcone, Stefano Sgobba, D. Grenier, Marco Calviani, K. Kershaw, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, and n_TOF

Subjects
Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, CERN Lab, Physics and Astronomy (miscellaneous), lead: target, Nuclear engineering, FOS: Physical sciences, high-accuracy determination, 01 natural sciences, 7. Clean energy, 0103 physical sciences, Nuclear astrophysics, Water cooling, Spallation, Neutron, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Detectors and Experimental Techniques, 010306 general physics, Nuclear Experiment, physics.ins-det, Physics, Large Hadron Collider, 010308 nuclear & particles physics, business.industry, n: time-of-flight, n: particle source, Surfaces and Interfaces, Instrumentation and Detectors (physics.ins-det), nitrogen: target, flux, Time of flight, Upgrade, Physics::Accelerator Physics, target: design, Radiation protection, business, p: beam: pulsed, performance
Abstract

The neutron time-of-flight (n_TOF) facility at the European Laboratory for Particle Physics (CERN) is a pulsed white-spectrum neutron spallation source producing neutrons for two experimental areas: the Experimental Area 1 (EAR1), located 185 m horizontally from the target, and the Experimental Area 2 (EAR2), located 20 m above the target. The target, based on pure lead, is impacted by a high-intensity 20-GeV/c pulsed proton beam. The facility was conceived to study neutron-nucleus interactions for neutron kinetic energies between a few meV to several GeV, with applications of interest for nuclear astrophysics, nuclear technology, and medical research. After the second-generation target reached the end of its lifetime, the facility underwent a major upgrade during CERN's Long Shutdown 2 (LS2, 2019-2021), which included the installation of the new third-generation neutron target. The first and second-generation targets were based on water-cooled massive lead blocks and were designed focusing on EAR1, since EAR2 was built later. The new target is cooled by nitrogen gas to avoid erosion-corrosion and contamination of cooling water with radioactive lead spallation products. Moreover, the new design is optimized also for the vertical flight path and EAR2. This paper presents an overview of the target design focused on both physics and thermo-mechanical performance, and includes a description of the nitrogen cooling circuit and radiation protection studies., Comment: 17 pages, 26 figures. Accepted for publication in Physical Review Accelerator and Beams

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