TY - CONF AU - Boutin, D. AU - Chancé, A. AU - Dalena, B. AU - Holzer, B.J. AU - Schulte, D. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Optic Corrections for FCC-hh J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - The FCC-hh (Future Hadron-Hadron Circular Collider) is one of the options considered for the next generation accelerator in high-energy physics as recommended by the European Strategy Group. The evaluation of the various magnets mechanical error and field error tolerances in the arc sections of FCC-hh, as well as an estimation of the required correctors strengths, are important aspects of the collider design. In this study the mechanical tolerances, dipole and quadrupole field error tolerances for the arc sections of FCC-hh are evaluated. The consolidated correction schemes of the linear coupling (with skew quadrupoles) and of the beam tunes (with normal quadrupoles) are presented. The integration of the different ring insertions (interaction region, collimation, injection, etc) is also discussed. PB - JACoW Publishing CP - Geneva, Switzerland SP - 417 EP - 419 KW - quadrupole KW - injection KW - insertion KW - dipole KW - coupling DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-MOPMP001 UR - http://jacow.org/ipac2019/papers/mopmp001.pdf ER - TY - CONF AU - Dalena, B. AU - Boutin, D. AU - Chancé, A. AU - Cruz Alaniz, E. AU - Schulte, D. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Field Quality for the Hadron Option of Future Circular Collider J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - The updated field quality for the baseline design option of the Nb₃Sn dipoles for Future Circular Collider (FCC-hh) is discussed. The impact on the expected dynamic aperture is shown at injection and collision energy and the consequent non-linear correction schemes together with their integration in the optics are defined. PB - JACoW Publishing CP - Geneva, Switzerland SP - 4397 EP - 4400 KW - injection KW - dipole KW - octupole KW - collider KW - target DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-MOPMP005 UR - http://jacow.org/ipac2019/papers/mopmp005.pdf ER - TY - CONF AU - Bouly, F. AU - Baylac, M.A. AU - Gatera, A. AU - Uriot, D. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Superconducting LINAC Design Upgrade in View of the 100 MeV MYRRHA Phase I J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - The goal of the MYRRHA project is to demonstrate the technical feasibility of transmutation in a 100 MW Accelerator Driven System (ADS) by building a new flexible irradiation complex at Mol (Belgium). The MYRRHA facility requires a 600 MeV accelerator delivering a maximum proton current of 4 mA in continuous wave operation, with an additional requirement for exceptional reliability. Supported by SCK•CEN and the Belgium government the project has entered in its phase I: which consists in the development and the construction of the linac first part, up to 100 MeV. We review the design updates of the superconducting linac, with its enhanced fault-tolerance capabilities. The linac capabilities at 100 MeV (Phase I) and 600 MeV (ADS operation) are exposed and discussed. PB - JACoW Publishing CP - Geneva, Switzerland SP - 837 EP - 840 KW - linac KW - cavity KW - cryomodule KW - lattice KW - emittance DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-MOPTS003 UR - http://jacow.org/ipac2019/papers/mopts003.pdf ER - TY - CONF AU - Ferdinand, R. AU - Di Giacomo, M. AU - Franberg, H. AU - Lagniel, J.-M. AU - Normand, G. AU - Savalle, A. AU - Uriot, D. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Final Results of the SPIRAL2 Injector Commissioning J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - The SPIRAL2 injector, made up of a 5 mA p-d ion source, a 1 mA heavy ion source (up to A/Q = 3) and a CW 0.75 MeV/u RFQ, has been commissioned in parallel with the superconducting linac installation. This com-missioning is successfully completed now and the Diag-nostic plate (D-plate) used to characterize the injector beams is removed. This paper presents the results ob-tained with the reference particles (H⁺, 4He2+, 18O6+ and 40Ar14+) and a comparison with the simulations. The connexion to the SC linac and the future linac beam commissioning is briefly described. PB - JACoW Publishing CP - Geneva, Switzerland SP - 848 EP - 851 KW - rfq KW - emittance KW - LEBT KW - MMI KW - linac DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-MOPTS006 UR - http://jacow.org/ipac2019/papers/mopts006.pdf ER - TY - CONF AU - Piquet, O. AU - Boulch, C. AU - Braud, D. AU - Carbonnier, P. AU - Chirpaz-Cerbat, D. AU - Ferrand, G. AU - Gohier, F. AU - Gouit, F. AU - Guiho, P. AU - Joannem, T.J. AU - Maurice, L. AU - Monnereau, G. AU - Plaisant, Th. AU - Plouin, J. AU - Pérolat, A. AU - Sahuquet, P. AU - Solenne, N. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - SARAF Equipped Cavity Test Stand (ECTS) at CEA J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - CEA is committed to delivering a Medium Energy Beam Transfer line and a Super Conducting Linac (SCL) for SARAF accelerator in order to accelerate 5mA beam of either protons from 1.3MeV to 35MeV or deuterons from 2.6 MeV to 40.1MeV. The SCL consists in 4 cryomodules separated by warm section housing beam diagnostics. The two first identical cryomodules hosts respectively 6 and 7 half-wave resonator (HWR) low beta (0.091) cavities 176MHz. In order to test the cavity with its tuner and coupler and validate some design consideration, the Equipped Cavity Test Stand (ECTS) has been designed and will be presented. PB - JACoW Publishing CP - Geneva, Switzerland SP - 852 EP - 854 KW - cavity KW - cryomodule KW - cryogenics KW - controls KW - EPICS DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-MOPTS007 UR - http://jacow.org/ipac2019/papers/mopts007.pdf ER - TY - CONF AU - Piquet, O. AU - Chauveau, A.C. AU - Chirpaz-Cerbat, D. AU - Desmons, M. AU - Dubois, A. AU - France, A.C. AU - Gaget, A. AU - Hamel, P. AU - Le Noa, Y. AU - Napoly, L. AU - Oublaid, M. AU - Perreu, G. AU - Pottin, B. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - ESS RFQ: Construction Status and Power Couplers Qualification J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - The 352 MHz Radio Frequency Quadrupole (RFQ) for the European Spallation Source ERIC (ESS) will be de-livered during 2019. It is provided by CEA, IRFU, Sac-lay/France. It consists of five sections with a total length of 4.6 m and accelerates the proton beam from 75 keV up to 3.6 MeV. It will be feed with 1.6 MW peak power through two coaxial loop couplers. This paper will present the manufacturing status of the five sections and the qualification test of the RF power couplers. PB - JACoW Publishing CP - Geneva, Switzerland SP - 855 EP - 857 KW - rfq KW - vacuum KW - cavity KW - coupling KW - pick-up DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-MOPTS008 UR - http://jacow.org/ipac2019/papers/mopts008.pdf ER - TY - CONF AU - Bosland, P. AU - Arcambal, C. AU - Ardellier, F. AU - Berry, S. AU - Bouygues, A. AU - Cenni, E. AU - Darve, C. AU - Devanz, G. AU - Hamelin, T. AU - Hanus, X. AU - Michelato, P. AU - Olivier, G. AU - Piquet, O. AU - Poupeau, J.P. AU - Renard, B. AU - Sahuquet, P. AU - Thermeau, J.P. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Tests at High RF Power of the ESS Medium Beta Cryomodule Demonstrator J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - CEA is in charge of the 30 elliptical medium and high-beta cryomodules to be installed in the ESS tunnel in Lund, Sweden. Before launching the assembly of the series cryomodules, CEA developed a medium-beta cryomodule technology demonstrator in a collaboration with IPNO, LASA and ESS. This paper briefly presents the cryomodule assembly and summarizes the main results of the high RF power tests performed in 2018 in a dedicated test stand in CEA Saclay. The main ESS requirements were reached: E_{acc} = 16.7 MV/m in cavities, Pforward = 1.1 MW in power couplers, RF pulses length = 3.6 ms at 14 Hz. The piezo tuners efficiently compensated the Lorentz forces detuning and could stabilize the accelerating field better than 1% over the full length of the expected ESS 2.86 ms beam pulse without any LLRF regulation system. Following this successful validation CEA started the assembly of the first ESS medium-beta series cryomodule PB - JACoW Publishing CP - Geneva, Switzerland SP - 1940 EP - 1943 KW - cavity KW - cryomodule KW - cryogenics KW - linac KW - status DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-TUPTS006 UR - http://jacow.org/ipac2019/papers/tupts006.pdf ER - TY - CONF AU - Normand, G. AU - Di Giacomo, M. AU - Ferdinand, R. AU - Kamalou, O. AU - Lagniel, J.-M. AU - Savalle, A. AU - Uriot, D. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - SPIRAL2 RFQ Bunch Length and Longitudinal Emittance Measurements. J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - The SPIRAL2 RFQ is designed to accelerate light and heavy ions up to A/Q=3 in CW mode to 0.75MeV/u. During its commissioning, the bunch lengths measured using a Beam Extension Monitor were compared with simulations for different ion species (Proton, Helium, Oxygen, Argon). The longitudinal emittances measured using the 3 gradients method and a multiparticule optimization method were also compared successfully to the expected ones. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1944 EP - 1947 KW - simulation KW - rfq KW - emittance KW - proton KW - linac DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-TUPTS007 UR - http://jacow.org/ipac2019/papers/tupts007.pdf ER - TY - CONF AU - Di Giacomo, M. AU - Desmons, M. AU - Ferdinand, R. AU - Franberg, H. AU - Galdemard, P. AU - Lagniel, J.-M. AU - Lussignol, Y. AU - Normand, G. AU - Piquet, O. AU - Sube, S. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - RF Commissioning of the SPIRAL2 RFQ in CW Mode and Beyond Nominal Field J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - The SPIRAL2 RFQ was recently successfully commissioned at nominal voltage of 114 kV, corresponding to 1.65 Kilpatrick factor. The paper describes limitations of the RFQ main subsystems, cavity conditioning difficulties, as well as changes implemented in the LLRF and automatic procedures to simplify turn on and operation of the whole system. PB - JACoW Publishing CP - Geneva, Switzerland SP - 2804 EP - 2806 KW - cavity KW - LLRF KW - rfq KW - controls KW - vacuum DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-WEPRB007 UR - http://jacow.org/ipac2019/papers/weprb007.pdf ER - TY - CONF AU - Zhao, L. AU - Berthier, R. AU - Braud, R. AU - Chirpaz-Cerbat, D. AU - Di Giacomo, M. AU - Dumas, J. AU - Duperrier, R.D. AU - Gohier, F. AU - Gougnaud, F. AU - Guiho, P. AU - Joannem, T.J. AU - Kaizer, B. AU - Ladegaillerie, S. AU - Leyge, J.F. AU - Marchand, C. AU - Michel, M. AU - Piquet, O. AU - Solenne, N. AU - Uriot, D. AU - Weissman, L. AU - Zhu, X.W. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - RF Power Test of the Rebuncher for Saraf-Linac J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - Three normal conducting rebunchers will be installed at the Medium Energy Beam Transport (MEBT) of the SARAF-LINAC phase II [saraf]. The MEBT line is designed to follow a 1.3 MeV/u RFQ, is about 5 m long, and contains three 176 MHz rebunchers providing a field integral of 10⁵ kV. CEA is in charge of the design and fabrication of the Cu plated stainless steel, 3-gap rebuncher. The high power tests and RF conditioning have been successfully performed at the CEA Saclay on the first cavity. A solid state power amplifier, which has been developed by SNRC and has been used for the RF tests. The cavity has shown a good performance according to calculations, regarding the dissipated power, peak temperatures and coupling factor. RF conditioning was started with a duty cycle of 1\% and increased gradually until continuous wave (CW), which is the nominal working mode in SARAF-LINAC. PB - JACoW Publishing CP - Geneva, Switzerland SP - 2815 EP - 2817 KW - cavity KW - EPICS KW - controls KW - linac KW - MEBT DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-WEPRB010 UR - http://jacow.org/ipac2019/papers/weprb010.pdf ER - TY - CONF AU - Chauvin, N. AU - Bazin, N. AU - Chel, S. AU - Du, L. AU - Plouin, J. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Beam Dynamics Errors Studies for the IFMIF-DONES SRF-LINAC J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - The goal of the IFMIF-DONES (International Fusion Materials Irradiation Facility-DEMO Oriented Neutron Source) project is to build an irradiation facility that will provide a sufficient neutron flux to study and characterize structure materials foreseen for future fusion power plant. In order to accelerate the required 125mA/40 MeV continuous deuteron beam from 5 MeV to 40 MeV, a superconducting radio-frequency (SRF) linac, housed in five cryomodules, is proposed. The design is based on two beta families (β=0.11 and β=0.17) of half-wave resonators (HWR) at 175MHz. The transverse focusing is achieved using one solenoid coil per focusing period. This paper presents the extensive multiparticle beam dynamics simulations that have been performed to adapt the beam along the SRF-linac in such a high space charge regime. As one of the constraints of the IFMIF linac is a low level of beam losses, specific optimizations have been done to minimize the beam occupancy in the line (halo). A Monte Carlo error analysis has also been carried out to study the effects of misalignments or field imperfections (static errors) and also vibrations or power supplies ripple (dynamic errors). The results of these errors studies are presented and discussed. PB - JACoW Publishing CP - Geneva, Switzerland SP - 3103 EP - 3105 KW - linac KW - SRF KW - solenoid KW - cryomodule KW - cavity DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-WEPTS010 UR - http://jacow.org/ipac2019/papers/wepts010.pdf ER - TY - CONF AU - Ferrand, G. AU - Baron, Y. AU - Bouaziz, S. AU - Boulch, C. AU - Chirpaz-Cerbat, D. AU - Cubizolles, R. AU - Fayette, E. AU - Gohier, F. AU - Guiho, P. AU - Ladegaillerie, S. AU - Lotode, A. AU - Lussignol, Y. AU - Madec, C. AU - Monnereau, G. AU - Pichoff, N. AU - Piquet, O. AU - Servouin, C. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Results of CEA Tests of SARAF Couplers Prototypes J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - CEA is committed to delivering a Medium Energy Beam Transfer line and a superconducting linac (SCL) for SARAF accelerator in order to accelerate 5 mA beam of either protons from 1.3 MeV to 35 MeV or deuterons from 2.6 MeV to 40 MeV. The SCL consists in 4 cryomodules. The first two cryomodules host 6 and 7 half-wave resonator (HWR) low beta cavities (β = 0.09) at 176 MHz. The last two identical cryomodule will host 7 HWR high-beta cavities (β = 0.18) at 176 MHz. The maximal required power to be transmitted to the beam is 11.4 kW for high-beta cavity couplers. This document presents the results of the coupler tests and conditioning. PB - JACoW Publishing CP - Geneva, Switzerland SP - 3382 EP - 3384 KW - vacuum KW - cavity KW - EPICS KW - linac KW - controls DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-WEPTS118 UR - http://jacow.org/ipac2019/papers/wepts118.pdf ER - TY - CONF AU - Delerue, N. AU - Carduner, H.C. AU - Gerard, R.L. AU - Jenzer, S. AU - Manil, P.M. AU - Repain, P.R. AU - Simar, A. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Prospects of Additive Manufacturing for Accelerators J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - Additive manufacturing allows the production of mechanical components often much faster than traditional manufacturing. Several accelerators components built using additive manufacturing have already been qualified for use in accelerator. A workshop was held in Orsay in December 2018 to discuss the prospects of using additive manufacturing for particle accelerators and particle detectors. We report here on the prospects as far as accelerators are concerned. PB - JACoW Publishing CP - Geneva, Switzerland SP - 4118 EP - 4120 KW - cavity KW - vacuum KW - niobium KW - detector KW - GUI DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-THPTS008 UR - http://jacow.org/ipac2019/papers/thpts008.pdf ER - TY - CONF AU - Ferrand, G. AU - Carbonnier, P. AU - Fayette, E. AU - Jullien, G. AU - Ladegaillerie, S. AU - Leseigneur, F. AU - Madec, C. AU - Maurice, L. AU - Misiara, N. AU - Pichoff, N. AU - Piquet, O. AU - Pérolat, A. AU - Servouin, C. AU - Zhao, L. AU - Éozénou, F. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Results of CEA Tests of SARAF Cavities Prototypes J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - CEA is committed to delivering a Medium Energy Beam Transfer line and a superconducting linac (SCL) for SARAF accelerator in order to accelerate 5mA beam of either protons to 35 MeV or deuterons to 40 MeV. The SCL consists in 4 cryomodules. The first two cryomodules host 6 & 7 half-wave resonator (HWR) low beta cavities (β = 0.09) at 176 MHz, and the last two crymodules host 7 HWR medium beta cavities (β = 0.18). The low beta prototype was qualified, the medium beta is being qualified. The results of the RF tests will be presented in this poster. PB - JACoW Publishing CP - Geneva, Switzerland SP - 4356 EP - 4358 KW - cavity KW - pick-up KW - target KW - linac KW - detector DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-THPTS117 UR - http://jacow.org/ipac2019/papers/thpts117.pdf ER -