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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. The AWAKE Run 2 Programme and Beyond

Author

Edda Gschwendtner, Konstantin Lotov, Patric Muggli, Matthew Wing, Riccardo Agnello, Claudia Christina Ahdida, Maria Carolina Amoedo Goncalves, Yanis Andrebe, Oznur Apsimon, Robert Apsimon, Jordan Matias Arnesano, Anna-Maria Bachmann, Diego Barrientos, Fabian Batsch, Vittorio Bencini, Michele Bergamaschi, Patrick Blanchard, Philip Nicholas Burrows, Birger Buttenschön, Allen Caldwell, James Chappell, Eric Chevallay, Moses Chung, David Andrew Cooke, Heiko Damerau, Can Davut, Gabor Demeter, Amos Christopher Dexter, Steffen Doebert, Francesa Ann Elverson, John Farmer, Ambrogio Fasoli, Valentin Fedosseev, Ricardo Fonseca, Ivo Furno, Spencer Gessner, Aleksandr Gorn, Eduardo Granados, Marcel Granetzny, Tim Graubner, Olaf Grulke, Eloise Daria Guran, Vasyl Hafych, Anthony Hartin, James Henderson, Mathias Hüther, Miklos Kedves, Fearghus Keeble, Vadim Khudiakov, Seong-Yeol Kim, Florian Kraus, Michel Krupa, Thibaut Lefevre, Linbo Liang, Shengli Liu, Nelson Lopes, Miguel Martinez Calderon, Stefano Mazzoni, David Medina Godoy, Joshua Moody, Kookjin Moon, Pablo Israel Morales Guzmán, Mariana Moreira, Tatiana Nechaeva, Elzbieta Nowak, Collette Pakuza, Harsha Panuganti, Ans Pardons, Kevin Pepitone, Aravinda Perera, Jan Pucek, Alexander Pukhov, Rebecca Louise Ramjiawan, Stephane Rey, Adam Scaachi, Oliver Schmitz, Eugenio Senes, Fernando Silva, Luis Silva, Christine Stollberg, Alban Sublet, Catherine Swain, Athanasios Topaloudis, Nuno Torrado, Petr Tuev, Marlene Turner, Francesco Velotti, Livio Verra, Victor Verzilov, Jorge Vieira, Helmut Vincke, Martin Weidl, Carsten Welsch, Manfred Wendt, Peerawan Wiwattananon, Joseph Wolfenden, Benjamin Woolley, Samuel Wyler, Guoxing Xia, Vlada Yarygova, Michael Zepp, and Giovanni Zevi Della Porta

Subjects
AWAKE, proton-driven plasma wakefield acceleration, dark photons, strong-field QED, electron–proton physics, Mathematics, QA1-939
Abstract

Plasma wakefield acceleration is a promising technology to reduce the size of particle accelerators. The use of high energy protons to drive wakefields in plasma has been demonstrated during Run 1 of the AWAKE programme at CERN. Protons of energy 400 GeV drove wakefields that accelerated electrons to 2 GeV in under 10 m of plasma. The AWAKE collaboration is now embarking on Run 2 with the main aims to demonstrate stable accelerating gradients of 0.5–1 GV/m, preserve emittance of the electron bunches during acceleration and develop plasma sources scalable to 100s of metres and beyond. By the end of Run 2, the AWAKE scheme should be able to provide electron beams for particle physics experiments and several possible experiments have already been evaluated. This article summarises the programme of AWAKE Run 2 and how it will be achieved as well as the possible application of the AWAKE scheme to novel particle physics experiments.

Published
2022
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4. Barrier bucket gymnastics and transversely split proton beams: Performance at the CERN Proton and Super Proton Synchrotrons

Author

Heiko Damerau, Akram Alomainy, Mihaly Vadai, Alexander Huschauer, and Massimo Giovannozzi

Subjects
Nuclear and High Energy Physics, Physics and Astronomy (miscellaneous), Physics::Accelerator Physics, Surfaces and Interfaces, Nuclear Experiment, Accelerators and Storage Rings
Abstract

During the 2018 proton run, a new radio-frequency beam manipulation has been studied and successfully implemented at the CERN Proton Synchrotron (PS) for the first time. This technique is used to deplete a well-defined fraction of a continuous longitudinal beam distribution by creating a so-called barrier bucket. We propose a new application of the barrier bucket gymnastics in the multiturn extraction scheme used at CERN. These two exotic techniques are combined into a highly sophisticated procedure that dramatically reduces the beam losses at PS extraction, thus paving the way to high-intensity proton beams for future fixed-target experiments at the CERN Super Proton Synchrotron (SPS). In this paper, the expected performance of the PS and SPS is analyzed in detail to define a road map for making this novel extraction scheme operational.

Published
2022

5. AWAKE, The Advanced Proton Driven Plasma Wakefield Acceleration Experiment at CERN

Author

Allen Caldwell, E. Öz, Zulfikar Najmudin, Peter Sherwood, Konstantin Lotov, Heiko Damerau, Andrei Seryi, L. Soby, J. Holloway, Chiara Bracco, L. O. Silva, A. Butterworth, Gennady Plyushchev, Ligia Diana Amorim, M. Turner, C. Hessler, V. N. Fedosseev, F. Keeble, M. Martyanov, F. Friebel, John-Bjarne Hansen, Roberto Martorelli, V. K. Berglyd Olsen, Matthew Wing, T. Bohl, Graeme Burt, Michele Cascella, E. Feldbaumer, V. A. Verzilov, L. Deacon, S. Mandry, P. Dirksen, O. Mete, Patric Muggli, Y. Wei, K. Rieger, S. Doebert, Zheng-Ming Sheng, Erik Adli, B. Biskup, S. Liu, M. Bernardini, M. Hüther, James Mitchell, Raoul Trines, Muhammad Kasim, Ulrich Dorda, F. Salveter, P. V. Tuev, L. Jensen, Olaf Grulke, Robert Apsimon, R. Fiorito, Edda Gschwendtner, Nelson Lopes, S. Jolly, K. Pepitone, Carsten Welsch, Dino A. Jaroszynski, R. I. Spitsyn, Ricardo Fonseca, N. Savard, Hao Zhang, A. A. Gorn, John P. Farmer, B. Buttenschön, Ans Pardons, F. Batsch, Alexander Pukhov, A. P. Sosedkin, H. Vincke, A.-M. Bachmann, Guoxing Xia, E. Shaposhnikova, Robert Bingham, R.W. Assmann, Eric Chevallay, V. A. Minakov, Atefeh Joulaei, Wolfgang Höfle, Stefano Mazzoni, Hartmut Ruhl, Janet Schmidt, Silvia Cipiccia, Philip Burrows, Yang Li, Peter Norreys, Alexey Petrenko, J. T. Moody, J. Bauche, and Jorge Vieira

Subjects
Accelerator Physics (physics.acc-ph), Nuclear and High Energy Physics, CERN Lab, Proton, wake field [plasma], Proton driven plasma wakefield acceleration, FOS: Physical sciences, Electron, wake field [acceleration], 01 natural sciences, Linear particle accelerator, 010305 fluids & plasmas, Nuclear physics, CNGS, Acceleration, Physics::Plasma Physics, low [energy], 0103 physical sciences, AWAKE, Linear accelerators, ddc:530, 010306 general physics, Nuclear Experiment, Instrumentation, QC, Modulation of long plasmas [13.4], acceleration [electron], Physics, Large Hadron Collider, Plasma, stability, CERN SPS, Plasma acceleration, Accelerators and Storage Rings, Electron acceleration, Novel Acceleration Techniques (ANAC2) [13], Physics - Plasma Physics, beam [p], beam loading, Plasma Physics (physics.plasm-ph), modulation, Bunches, Physics::Accelerator Physics, Physics - Accelerator Physics, proposed experiment, Plasma wakefield, beam [laser], EuCARD2
Abstract

The Advanced Proton Driven Plasma Wakefield Acceleration Experiment (AWAKE) aims at studying plasma wakefield generation and electron acceleration driven by proton bunches. It is a proof-of-principle R&D experiment at CERN and the world's first proton driven plasma wakefield acceleration experiment. The AWAKE experiment will be installed in the former CNGS facility and uses the 400 GeV/c proton beam bunches from the SPS. The first experiments will focus on the self-modulation instability of the long (rms ~12 cm) proton bunch in the plasma. These experiments are planned for the end of 2016. Later, in 2017/2018, low energy (~15 MeV) electrons will be externally injected to sample the wakefields and be accelerated beyond 1 GeV. The main goals of the experiment will be summarized. A summary of the AWAKE design and construction status will be presented., 7 pages, 7 figures, 2 tables

Published
2016
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6. Beam Manipulations With Barrier Buckets in the CERN PS

Author

Simone Gilardoni, Alexander Huschauer, Heiko Damerau, Massimo Giovannozzi, Mihaly Vadai, and Akram Alomainy

Subjects
History, Materials science, Large Hadron Collider, Proton, Accelerators and Storage Rings, Synchrotron, Computer Science Applications, Education, law.invention, Accelerator Physics, Nuclear physics, law, MC4: Hadron Accelerators, Physics::Accelerator Physics, Beam (structure)
Abstract

A barrier bucket scheme is being considered to reduce losses during the Multi-Turn Extraction from the CERN Proton Synchrotron to the Super Proton Synchrotron for the fixed-target physics programme. For effective loss reduction, the extraction kicker has to be triggered during the gap at the time of the longitudinal barrier. Initial beam studies at injection energy and with low intensity beams allowed to fully qualify an existing wide-band cavity to generate one or multiple beam synchronous pulses per turn. Bunch-length stretching and shortening have been exercised with barriers moving in azimuth with respect to the beam. The encouraging results obtained at injection energy guided the implementation of a de-bunching manipulation at higher energy to move all bunches into a single barrier bucket. Beam measurements at a momentum of 14GeV/c, varying intensity and the width of the barrier, demonstrate that a quasi-constant longitudinal line density and an almost fully depleted gap can be achieved at highest intensities. The contribution summarises the results of the beam studies at high energy together with some observations related to the Multi-Turn Extraction., Proceedings of the 10th Int. Particle Accelerator Conf., IPAC2019, Melbourne, Australia

Published
2019
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7. Path to AWAKE: Evolution of the concept

Author

Stefan Roesler, Hartmut Ruhl, H. von der Schmitt, M. Hüther, C. Hessler, F. Keeble, Roberto Kersevan, Toshiki Tajima, K. Rieger, Stefano Mazzoni, E. Feldbaumer, Yang Li, F. Friebel, Peter Norreys, Alexey Petrenko, M. Turner, Brennan Goddard, Hao Zhang, Erik Adli, J. T. Moody, Gennady Plyushchev, T. Bohl, Eric Chevallay, V. A. Minakov, Wei Lu, Edda Gschwendtner, N. Savard, V. K. Berglyd Olsen, Allen Caldwell, Zheng-Ming Sheng, Michele Cascella, Graeme Burt, James Mitchell, Muhammad Kasim, R. Tarkeshian, Ian Martin, P. Dirksen, Chengkun Huang, Andrei Seryi, Helga Timko, Theodoros Argyropoulos, S. Mandry, V. A. Verzilov, L. Deacon, H. Vincke, Raoul Trines, Stephane Fartoukh, Atefeh Joulaei, A. Butterworth, Ulrich Dorda, Vitaly Yakimenko, Malika Meddahi, M. Martyanov, O. Reimann, Wolfgang Höfle, Olaf Grulke, Simon Jolly, S. Liu, M. Bernardini, Konstantin Lotov, Y. Wei, Elena Shaposhnikova, Francesco Velotti, Heiko Damerau, Carsten Welsch, Peter Sherwood, F. Salveter, Roberto Martorelli, Zulfikar Najmudin, John P. Farmer, Luis O. Silva, Naveen Kumar, Tim Noakes, Eckhard Elsen, R. I. Spitsyn, Matthew Wing, Ricardo Fonseca, Chiara Bracco, L.Merminga, L. Soby, S. Hillenbrand, T. Tückmantel, John-Bjarne Hansen, J. Holloway, S. Chattopadhyay, Nelson Lopes, G. Geschonke, E. Öz, Frank Simon, Guoxing Xia, Ligia Diana Amorim, R. Fiorito, Robert Bingham, R.W. Assmann, K. Pepitone, J. Bauche, Jorge Vieira, Dino A. Jaroszynski, A. A. Gorn, Frank Zimmermann, B. Buttenschön, Janet Schmidt, Silvia Cipiccia, Philip Burrows, P. V. Tuev, A.-M. Bachmann, Jürgen Pozimski, Ans Pardons, F. Batsch, A. P. Sosedkin, J. Machacek, Anke-Susanne Müller, Alexander Pukhov, Jens Osterhoff, S. Doebert, B. Biskup, T. Rusnak, O. Mete, V. N. Fedosseev, L. Jensen, Robert Apsimon, and Science and Technology Facilities Council (STFC)

Subjects
Technology, 01 natural sciences, Physics, Particles & Fields, 010305 fluids & plasmas, IN-CELL CODE, Plasma instability, physics.plasm-ph, CERN, PLASMA-WAKEFIELD ACCELERATION, Instruments & Instrumentation, Instrumentation, Spectroscopy, QC, Physics, Large Hadron Collider, Plasma wakefield acceleration, Nuclear & Particles Physics, Self-modulation instability, Novel Acceleration Techniques (ANAC2) [13], Physical Sciences, SIMULATION, Proton driver, Systems engineering, Realization (systems), Accelerator Physics (physics.acc-ph), Nuclear and High Energy Physics, ULTRARELATIVISTIC BEAM DYNAMICS, Other Fields of Physics, FOS: Physical sciences, Nuclear physics, Acceleration, 0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics, 0103 physical sciences, ddc:530, Nuclear Science & Technology, 010306 general physics, Coordination and Communication [13.1], physics.acc-ph, BUNCHES, Science & Technology, WAKE-FIELD ACCELERATOR, ELECTRON-BEAM, Plasma acceleration, PULSE, Accelerators and Storage Rings, Physics - Plasma Physics, Plasma Physics (physics.plasm-ph), Path (graph theory), Physics - Accelerator Physics
Abstract

2nd European Advanced Accelerator Concepts Workshop, EAAC2015, La Biodola, Isola d'Elba, Italy, 13 Sep 2015 - 19 Sep 2015 ; Nuclear instruments & methods in physics research / A 829, 3 - 16(2016). doi:10.1016/j.nima.2015.12.050, This paper describes the conceptual steps in reaching the design of the AWAKE experiment currently under construction at CERN. We start with an introduction to plasma wakefield acceleration and the motivation for using proton drivers. We then describe the self-modulation instability – a key to an early realization of the concept. This is then followed by the historical development of the experimental design, where the critical issues that arose and their solutions are described. We conclude with the design of the experiment as it is being realized at CERN and some words on the future outlook. A summary of the AWAKE design and construction status as presented in this conference is given in Gschwendtner et al., Published by North-Holland Publ. Co., Amsterdam

Published
2015
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8. Controlled longitudinal emittance blow-up in the CERN PS

Author

Joachim Tückmantel, Elena Shaposhnikova, J.-L. Vallet, Heiko Damerau, and M. Morvillo

Subjects
Physics, Large Hadron Collider, business.industry, Accelerators and Storage Rings, Optics, Nuclear magnetic resonance, Bunches, Q factor, Harmonic, Physics::Accelerator Physics, Thermal emittance, Radio frequency, business, Beam (structure), Voltage
Abstract

The longitudinal emittance of the bunches in the CERN PS must be increased before transition crossing to avoid beam loss due to a fast vertical instability. This controlled blow-up is essential for all high-intensity beams in the PS, including those for transfer to the LHC. The higher harmonic 200 MHz RF system (six cavities) used for this blow-up has to generate a total RF voltage which, for the most demanding blow-up, is comparable to the voltage of the main RF cavities. The system is presently subject to a major upgrade and a possible reduction in the number of higher harmonic RF cavities installed is under consideration. To determine the minimum required, detailed simulations and machine development studies to optimize the longitudinal blow-up have been performed. Further options to produce the required longitudinal emittance using other RF systems are also analyzed. The results obtained for the different scenarios for the longitudinal blow-up are presented and compared in this paper.

Published
2007
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