Orsay, France
The second Collaboration Meeting of the Muon Collider Study will take place from June 19 to June 22, 2023. The meeting will be held in person at IJCLab in Orsay (France) and it is organized by CEA, CERN and IJCLab. We plan to cover at the meeting all areas of study and development, allowing ample time for both plenary and parallel sessions. The main goals of the meeting will be to report on the progress of the study, in accordance with the defined work programme, and consolidate the share of tasks among all Collaborators, including the activities within the scope of the EU-funded MuCol Design Study. We especially wish to use this opportunity to address interfaces and integration among the various activities. The meeting is an opportunity for the Collaboration to review activities, advances and plans. The final plenary and close-out session of the Collaboration Meeting will be followed by the first session of the Muon Collider Synergies Workshop. This meeting is also supported by MUST, the MUon collider STrategy network, a part of the I.FAST European project, whose specific objective is to support the effort to design a muon collider and to project and plan the required R&D, while consolidating the community devoted to develop an international future facility. | ![]() |
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Opening and Plenary Session Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
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Welcome and meeting logisticsSpeaker: Fabrice Balli (Université Paris-Saclay (FR))
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Status and perspectives - proposed target parametersSpeaker: Daniel Schulte (CERN)
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EU Projet MuCol - Status and PlansSpeaker: Roberto Losito (CERN)
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15:30
Coffee break Cafeteria - B. 200 - IJCLab Orsay
Cafeteria - B. 200 - IJCLab Orsay
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Plenary Session Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
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Muon Collider detectors in the ECFA/US detector R&D road mapSpeaker: Nadia Pastrone (Universita e INFN Torino (IT))
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The US efforts towards a Muon Collider (P5) - TBCSpeaker: Diktys Stratakis
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18:00
Wine & cheese Cafeteria - B. 200 - IJCLab Orsay
Cafeteria - B. 200 - IJCLab Orsay
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Day 2: "Physics" parallel session Joliot Curie Auditorium - B. 100 A - IJCLab Orsay
Joliot Curie Auditorium - B. 100 A - IJCLab Orsay
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Monte Carlo generators developmentSpeaker: Juergen Reuter (DESY Hamburg, Germany)
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Standard Model PDFs for High-Energy Lepton CollidersSpeakers: David Marzocca, David Marzocca (INFN Trieste)
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Day 2: "RCS" joint session - Accelerators + RF + Magnets Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
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RCS parameters and optimizationSpeaker: Dr Antoine Chance (CEA Irfu)
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Powering scheme and optimizationSpeaker: Fulvio Boattini (CERN)
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Steady HTS magnets - The example of the PNRR-IRIS dipoleSpeaker: Lorenzo Balconi
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Day 2: "Target" joint session - Proton driver + Muon production + BMI + Magnets Salle 101 - B. 200 - IJCLab Orsay
Salle 101 - B. 200 - IJCLab Orsay
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Target and capture solenoids
Solenoid layout and field configuration
Speakers: Mr Jose Lorenzo Gomez (F4E), Luca Bottura (CERN), Pietro Testoni, alfredo portone -
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Overall integration of target solenoid shielding and cryostats
Cryostat design, support of cryostat, overall integration aspects, connection of cryostats, thermal shield design
Speakers: Antti Kolehmainen (CERN), Carlotta Accettura (CERN) -
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Muon production, radiation shielding and proton beam extraction
Heat load/radiation damage in target/solenoids, radiation shielding requirements for the magnets, ideas for extracting the spent proton beam, pion/muon production versus engineering constraints.
Speaker: Daniele Calzolari (CERN) -
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Design of the target system and shielding
Engineering design and service requirements for the target and shielding (in particular cooling, remote handling).
Speaker: Rui Franqueira Ximenes (CERN) -
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Proton beam delivery to target & integration with target complexSpeaker: Rui Franqueira Ximenes (CERN)
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10:00
Coffee break
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Day 2: "Collider Field and Aperture" joint session - Collider + Magnets + BMI + Vacuum + Cryogenics Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
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Collider parameters and trade-offsSpeaker: Christian Carli (CERN)
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Collider magnets designs and limitsSpeakers: Barbara Caiffi (INFN e Universita Genova (IT)), Daniel Novelli, Samuele Mariotto, Tiina Salmi (Tampere University of Technology, Finland)
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Shielding requirements for the collider ring magnetsSpeaker: Anton Lechner (CERN)
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Cryogenic options and conceptsSpeakers: Dr Patricia Tavares Coutinho Borges De Sousa (CERN), Rob Van Weelderen (CERN)
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Day 2: "Cooling" joint session - Proton driver + Muon production + RF + Magnets + Cooling cell Salle 101 - B. 200 - IJCLab Orsay
Salle 101 - B. 200 - IJCLab Orsay
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Rectilinear coolingSpeaker: Zhu Ruihu (Institute of Modern Physics, Chinese Academy of Sciences)
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6D cooling solenoidsSpeakers: Jonathan Pavan (Politecnico di Milano (IT)), Siara Sandra Fabbri (CERN)
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Final cooling solenoidSpeaker: Bernardo Bordini (CERN)
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Day 2: "Physics" parallel session Joliot Curie Auditorium - B. 100 A - IJCLab Orsay
Joliot Curie Auditorium - B. 100 A - IJCLab Orsay
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Fixed-order EW corrections
Proposed: TBD
Speaker: Davide Pagani (Universita e INFN, Bologna (IT)) -
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Lepton Flavour at high energies
Proposed: Dario Buttazzo
Speaker: Dario Buttazzo (Universita & INFN Pisa (IT)) -
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Physics Benchmarks
Proposed: Rodolfo Capdevilla
Speaker: Rodolfo Capdevilla (Fermi National Accelerator Laboratory) -
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Discussion on BenchmarksSpeaker: Rodolfo Capdevilla (Fermi National Accelerator Laboratory)
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12:30
Lunch Cafeteria - B. 200 - IJCLab Orsay
Cafeteria - B. 200 - IJCLab Orsay
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Day 2: "Physics" parallel session Joliot Curie Auditorium - B. 100 A - IJCLab Orsay
Joliot Curie Auditorium - B. 100 A - IJCLab Orsay
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Physics Potential on the way to 10 TeVSpeaker: Cari Cesarotti (Harvard University)
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Day 2: "RF" parallel session 1: General Salle 101 - B. 200 - IJCLab Orsay
Salle 101 - B. 200 - IJCLab Orsay
Convener: Alexej Grudiev (CERN)-
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Prospects of Cryo-Cu and HTS high gradient RF cavitiesSpeaker: Sergio Calatroni (CERN)
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Design and fabrication of RF cavities for muon cooling
remote
Speaker: Tianhuan Luo -
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High gradient RF in strong magnetic fields status and plansSpeaker: Guillaume Ferrand
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Design of the muon cooling cavities status and plansSpeaker: Dario Augusto Giove
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RF power sources for Muon collider status and plans
remote
Speaker: Graeme Campbell Burt (Lancaster University (GB))
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Day 2: Field Quality joint session - Magnets + Muon production + Accelerator & Collider Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
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Field quality requirements for RCSSpeaker: Dr Antoine Chance (CEA Irfu)
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FIeld quality requirements for colliderSpeakers: Christian Carli (CERN), Kyriacos Skoufaris (CERN)
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How good can a magnet be ?Speaker: Jose Luis Rudeiros Fernandez (LBNL)
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15:30
Coffee break
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Day 2: "RF in strong magnetic field" joint session - RF + Magnets + Cooling Module Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Convener: Roberto Losito (CERN)-
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RF in strong B-field test stand motivation and requirementsSpeaker: Claude Marchand (Université Paris-Saclay (FR))
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Test stand plans CEASpeaker: Guillaume Ferrand
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Test stand plans UK
remote
Speaker: Kevin Ronald - 48
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Test stand plans CERNSpeaker: Alexej Grudiev (CERN)
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Magnet solutions for a test standSpeakers: Lionel Quettier, Luca Bottura (CERN)
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Day 2: "Software" Physics & Detectors Joliot Curie Auditorium - B. 100 A - IJCLab Orsay
Joliot Curie Auditorium - B. 100 A - IJCLab Orsay
Convener: Nazar Bartosik (Universita e INFN Torino (IT))-
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Software & InfrastuctureSpeakers: Alessio Gianelle (Universita e INFN, Padova (IT)), Paolo Andreetto
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Migration to Key4hepSpeaker: Nazar Bartosik (Universita e INFN Torino (IT))
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18:15
Bus to Restaurant
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19:00
Social dinner - Domaine de Saint Paul - St-Remy-les-Chevreuse
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Day 3: "Accelerator and Collider" parallel session - collider Salle 139 - B. 200 - IJCLab Orsay
Salle 139 - B. 200 - IJCLab Orsay
Convener: Christian Carli (CERN)- 53
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Status of the collective effects in the collider ringSpeaker: David Amorim (CERN)
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Status of the collective effects in the RCSSpeaker: David Amorim (CERN)
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Day 3: "Lessons learnt from 1.5/3 TeV" studies - Physics & Detectors Salle 101 - B. 200 - IJCLab Orsay
Salle 101 - B. 200 - IJCLab Orsay
Convener: Karri Folan Di Petrillo (University of Chicago)-
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Status of the reconstruction algorithms with BIBSpeaker: Chiara Aime' (Pavia University and INFN (IT))
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Summary of physics results with detector full simulationSpeaker: Laura Buonincontri (Universita e INFN, Padova (IT))
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Data acquisition/processing requirementsSpeaker: Isobel Ojalvo (Princeton University (US))
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Day 3: "Magnets" parallel session - magnet technology options review Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
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Introduction to the Technology Options review discussionSpeakers: Lionel Quettier, Luca Bottura (CERN)
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Technology options for the target and capture solenoidsSpeaker: alfredo portone
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Technology options for the 6D cooling solenoidsSpeakers: Dr Marco Statera (INFN Milano - LASA), Siara Sandra Fabbri (CERN)
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Technology options for the final cooling solenoidsSpeakers: Bernardo Bordini (CERN), Carlotta Accettura (CERN)
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Technology options for the accelerator magnetsSpeaker: Marco Breschi
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Day 3: "Muon production" parallel session Salle des Conseils - B. 100 M - IJCLab Orsay
Salle des Conseils - B. 100 M - IJCLab Orsay
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Carbon target, vessel and beam windows developments for the Muon ColliderSpeaker: Francisco Javier Saura Esteban (CERN)
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Heavy liquid metal target concept and challenges for the Muon ColliderSpeaker: Carlo Carrelli (ENEA)
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Prospects and considerations for a fluidized tungsten target for the Muon ColliderSpeakers: Chris Densham, Dan Wilcox (STFC)
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Final cooling optimal path and code comparisonSpeaker: Bernd Michael Stechauner (Vienna University of Technology (AT))
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10:00
Coffee break
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Day 3: "MDI" joint session - Detectors + Collider + BMI Salle 101 - B. 200 - IJCLab Orsay
Salle 101 - B. 200 - IJCLab Orsay
Convener: Donatella Lucchesi (Universita e INFN, Padova (IT))-
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Status of the IR optics design for the 10 TeV Muon ColliderSpeaker: Kyriacos Skoufaris (CERN)
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Status of the background and forward muon studies for the 10 TeV colliderSpeaker: Daniele Calzolari (CERN)
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Studies at 3 TeVSpeakers: Dr Francesco Collamati (INFN Roma I (IT)), Luca Castelli
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The detector seen by MDISpeaker: Davide Zuliani (Universita e INFN, Padova (IT))
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72
Round-table discussion on MDI studies
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Day 3: "Magnets" parallel session - magnet technology options review Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
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Technology options for the accelerator poweringSpeaker: Fulvio Boattini (CERN)
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Technology options for the collider magnetsSpeakers: Barbara Caiffi (INFN e Universita Genova (IT)), Samuele Mariotto
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Technology options for coolingSpeaker: Dr Patricia Tavares Coutinho Borges De Sousa (CERN)
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Discussion - Questions and Aswers
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Day 3: "Muon production" parallel session Salle des Conseils - B. 100 M - IJCLab Orsay
Salle des Conseils - B. 100 M - IJCLab Orsay
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High Power Linac in EuropeSpeaker: Alessandra Lombardi (CERN)
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LINAC4 H- source studies and future developmentsSpeaker: Edgar Sargsyan (CERN)
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H- strippingSpeaker: Pranab Saha (Japan Atomic Energy Agency, J-PARC Center)
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Possible MDs and DiscussionsSpeaker: Dr Simone Gilardoni (CERN)
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Day 3: "RF" parallel session 2: SRF for RCSs Salle 139 - B. 200 - IJCLab Orsay
Salle 139 - B. 200 - IJCLab Orsay
Convener: Ursula Helga Van Rienen-
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Design of SRF cavities for muon accelerators status and plansSpeaker: Ursula Helga Van Rienen
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Overview of requirements for the SRF system for RCSsSpeaker: Heiko Damerau (CERN)
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HOM impedance and power calculations for the RCS SRF cavities
remote
Speaker: Sosoho-Abasi Udongwo -
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High gradient and Q-factor SRF performance at 1.3 GHz and 650 MHzSpeaker: Daniel Bafia (Fermi National Accelerator Laboratory)
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FPC and HOM couplers performance and power capabilities
remote
Speaker: wencan xu
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12:30
Lunch Cafeteria - B. 200 - IJCLab Orsay
Cafeteria - B. 200 - IJCLab Orsay
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Group picture - B. 200 B. 200
B. 200
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Address from the MuCol Eu PO Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Speaker: Angela LAHUERTA MARIN -
Day 3: "Accelerator and Collider" parallel session - accelerator Salle 101 - B. 200 - IJCLab Orsay
Salle 101 - B. 200 - IJCLab Orsay
Convener: Antoine Chance (CEA Irfu)-
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Updates of the RCS studiesSpeaker: Fabian Batsch (CERN)
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Longitudinal tracking studies through the entire RCS chainSpeaker: Fabian Batsch (CERN)
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Updates of FFA-based proposalsSpeaker: J. Scott Berg (Brookhaven National Laboratory)
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Day 3: "Physics & detector at a 10-TeV collider" - Physics & Detectors Auditorium Joliot Curie - B. 100 A - IJCLab Orsay
Auditorium Joliot Curie - B. 100 A - IJCLab Orsay
Convener: Davide Zuliani (Universita e INFN, Padova (IT))-
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Detector design for 10 TeV center-of-mass energySpeaker: Massimo Casarsa (INFN, Trieste (IT))
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First studies for a 10-TeV detector proposalSpeaker: Federico Meloni (Deutsches Elektronen-Synchrotron (DE))
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Detector R&DSpeaker: Sergo Jindariani (Fermi National Accelerator Lab. (US))
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Day 3: "Siting, Neutrinos, RP" joint session - Target and cooling + Accelerators + Collider + BMI + Magnets Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
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Moving magnetsSpeakers: Antti Kolehmainen (CERN), Carlotta Accettura (CERN), Francesco Bertinelli (CERN)
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Radiation protection considerations
RP and access restrictions (need for remote handling/maintenance)
Speaker: Claudia Ahdida -
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Update on neutrino studies with FLUKASpeaker: Dr Giuseppe Lerner (CERN)
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95
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Day 3: Cooling Demonstrator Salle des Conseils - B. 100 M - IJCLab Orsay
Salle des Conseils - B. 100 M - IJCLab Orsay
Conveners: Lucio Rossi (Università degli Studi e INFN Milano (IT)), Roberto Losito (CERN)-
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Demonstrator layout - requirements from beam opticsSpeaker: Chris Rogers (RAL)
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Perspective for the demonstrator from the Target point of viewSpeaker: Rui Franqueira Ximenes (CERN)
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100
Perspective from the magnet point of viewSpeaker: Dr Marco Statera (INFN Milano - LASA)
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101
Perspective from the RF point of viewSpeaker: Alexej Grudiev (CERN)
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102
Possible Implementation at CERNSpeaker: Roberto Losito (CERN)
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panel discussionSpeakers: Chris Rogers (RAL), Daniel Schulte (CERN), Roberto Losito (CERN)
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98
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15:30
Coffee break
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Day 3: Project parameters Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Conveners: Andrea Wulzer (IFAE and ICREA -- Barcelona, Spain), Chris Rogers (RAL), Daniel Schulte (CERN)- 105
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Muon beams accelerationSpeaker: Dr Antoine Chance (CEA Irfu)
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Muon beams CollisionSpeaker: Christian Carli (CERN)
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Muon detectors and physicsSpeakers: Andrea Wulzer (IFAE and ICREA -- Barcelona, Spain), Donatella Lucchesi, Federico Meloni (Deutsches Elektronen-Synchrotron (DE))
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IMCC Collaboration Board (https://indico.cern.ch/event/1260962/) Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay
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Plenary Session - Zoom https://ijclab.zoom.us/j/92448432426?pwd=NVpuUExVQ2ZjblJZRHhmdFZCakVGUT09 Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay - Zoom: https://ijclab.zoom.us/j/92448432426?pwd=NVpuUExVQ2ZjblJZRHhmdFZCakVGUT09
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay - Zoom: https://ijclab.zoom.us/j/92448432426?pwd=NVpuUExVQ2ZjblJZRHhmdFZCakVGUT09
Zoom https://ijclab.zoom.us/j/92448432426?pwd=NVpuUExVQ2ZjblJZRHhmdFZCakVGUT09-
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Detector design for √s = 1.5 / 3.0 TeV and path towards 10 TeVSpeaker: Simone Pagan Griso (Lawrence Berkeley National Lab. (US))
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Report from Muon Collider Workshop at KITPSpeaker: Cari Cesarotti (Harvard University)
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The muon production and cooling demonstratorSpeaker: Lucio Rossi (Università degli Studi e INFN Milano (IT))
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Challenges of the final cooling solenoidSpeaker: Carlotta Accettura (CERN)
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10:30
Coffee break
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Plenary Session - Zoom https://ijclab.zoom.us/j/92448432426?pwd=NVpuUExVQ2ZjblJZRHhmdFZCakVGUT09: Plenary Session and Close-out Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay - Zoom: https://ijclab.zoom.us/j/92448432426?pwd=NVpuUExVQ2ZjblJZRHhmdFZCakVGUT09
Pierre Lehmann Auditorium - B. 200 - IJCLab Orsay - Zoom: https://ijclab.zoom.us/j/92448432426?pwd=NVpuUExVQ2ZjblJZRHhmdFZCakVGUT09
Zoom https://ijclab.zoom.us/j/92448432426?pwd=NVpuUExVQ2ZjblJZRHhmdFZCakVGUT09- 116
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The next EU opportunitiesSpeaker: Pierre Vedrine (Université Paris-Saclay (FR))
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Report from IMCC Collaboration BoardSpeaker: Nadia Pastrone (Universita e INFN Torino (IT))
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Report from IMCC Steering BoardSpeaker: Steinar Stapnes (CERN)
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Wrap-up and closingSpeakers: Daniel Schulte (CERN), Fabrice Balli (Université Paris-Saclay (FR))
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