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Accelerators at LPSC

LPSC is a laboratory dedicated to studying nuclear, hadronic, and particle physics, as well as astroparticles and cosmology. With a team of about 220 researchers, engineers, and technicians, LPSC is involved in projects at the local, national, and international levels, collaborating with institutions such as CERN and GANIL. The laboratory also supports teaching and R&D activities. This includes the design and production of RF couplers for accelerators like SPIRAL2, as well as participation in the development of high intensity linear accelerators and fixed field alternating gradient machines. LPSC is open to collaborations with industrial partners and offers opportunities for students.

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Accelerators at LPSC

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  1. Accelerators at LPSC M.Baylac, baylac@lpsc.in2p3.fr

  2. LPSC • Laboratoire de Physique Subatomique et de Cosmologie (LPSC) • Located on the scientific polygone of Grenoble • Laboratory : • CNRS/IN2P3 (INSIS) • Université Joseph Fourier (UJF) • Institut National Polytechnique de G. (INPG) • Dedicated to study of physics of the 2 infinities • Nuclear, hadronic and particle physics • Astroparticles and cosmology • About 220 people : reseachers, engineers and technicians • Système Accélérateurs Rhône-Alpes (SARA) • Two cyclotrons: 40 MeV/amu • Under operation until 1998 • All infrastructures remain http://lpsc.in2p3.fr/

  3. Accelerator group • Human resources : 11 • Mainly engineers & techs • Part of a larger group (23) including ions sources • Infrastructures & codes • 2 electrostatic lines (Deutons, 40 et 240 keV) • RF lab (amplifier 40 kW, 88 MHz), clean room (30 m2, ISO6) • Codes : ANSOFT (HFSS), ZGOUBI, TraceWin • Main themes & projects • Electrostatic neutron generator (GUINEVERE) • High intensity linear accelerators (SPIRAL2, CARE/HIPPI) • Medical machines: hadrontherapy (CNAO, RACCAM) • Fixed Field Alternating Gradient machines (RACCAM, nu-fact) • Projects: local, national & international (European framework programs) • National & international collaborations (IN2P3, IRFU, GANIL, CERN) and IN2P3 support • Strong support from LPSC technical groups (mechanics, electronics, CC, ..) • Teaching : Professor at Grenoble Joseph Fourier University, HDR

  4. R&D activites : past & futur RADIOFREQUENCY • Participation to IPHI DTL @CERN • Design & production of SPIRAL2 RF couplers - 88 MHz • Participation to the design & prototyping of cavities for LINAC4 • FP6, CARE/HIPPI, great input from CERN • Warm SCL prototype • Low Level RF for CNAO (synchrotron: ions 100-400 MeV/amu) • Modest participation to FP7 EUCARD/RFTech (coordination) • Modeling , design and simulation on general • High intensity linear accelerators (FP6, CARE/HIPPI) • study of LINAC4 machine errors for CERN • Fixed Field Alternating Gradients: nu-fact, hadrontherapy • Network activity (FP7, EUCARD) • Studies of polarized e+/e- colliders: SUPER B TDR (since 2009) • Spin dynamics, polarimetry, beam-beam interaction BEAM DYNAMICS, MACHINE DESIGN

  5. Construction and exploitation : past & futur • SPIRAL2 RF power couplers (2009-2011) • Manufacturing follow-up, control, preparation & conditionning of the 40 couplers series • CNAO medical synchrotron - Pavia, Italy (2004-2009) • Participation of LPSC to construction & commissionning : magnetic meas. and LLRF • Accelerator Driven System mock-up GUINEVERE prog. (2008-2013) • FP6 EUROTRANS, FP7 devoted to experimental coupling of accelerator to a reactor • Design, construction and commissioning of machine GENEPI-3C • 250 keV, 40 mA pulsed ou 1 mA DC beam of deuterons • Exploitation and coupling to nuclear reactor at SCK-CEN, Mol site (Belgium) • Operation of GENEPI2 at LPSC for physics groups : pulsed electrostatic machine • In-kind contribution of France for CERN (2009-2011) • Provide 120 pole face windings for main PS dipoles • Provide RF power amplifiers for LINAC4 buncher/debuncher

  6. First thoughts around crab-cavities • Some preliminary ideas to begin discussion • Based on F. Zimmermann proposal • Design, manufacture and lab-test an elliptical 800-MHz • Aspects of HF and technological design • Aspects towards the “Grand Emprunt” • Collaborate with industrial partner (eg: SDMS) • Industrial partner : possible contribution to design, technological developments with LPSC and CERN as pilots (contour vsfundings & objectives of Grand Emprunt) • Industrial construction, then testing of a warm propotype at LPSC • Possible collaboration with Service des Basses Températures (SBT, CEA-Grenoble) • Items related to cryostat (SBT) • Design and manufacturing of cavity prototype (LPSC, SBT, industry) • Tests at SBT (all of the above) • Students : important point for the “Grand Emprunt” • PhD CIFRE grant, students part time in the lab (IUT)

  7. First thoughts around amplifiers Initial idea (LPSC) inspired from SOLEIL solid-state amplifiers Application to SPIRAL2 First feedback from M.Vretenar is consistent: « Development of a 300kW solid state pulsed amplifier at 350 and/or 700 MHz. This activity can be a follow-up of the ongoing collaboration between CERN and LPSC on the solid-state amplifiers for Linac4. The goal is to design and assemble on a test stand a unit of the next generation, capable of developing an order of magnitude higher power, which can be used by projects like SPL or ESS for feeding SC cavities in the medium-beta range. The development would be done in close collaboration with industry. » Develop and extend our RF infrastructure Need to identify tasks to be performed design, manufacturing (or follow-up) and tests LPSC has some RF skills, but not enough to drive the work need to team-up with experts from CERN, who could guide developments Need to collaborate with industry (THALES, other..) Emphasize PhD CIFRE grants, part time students

  8. First thoughts around photo-injectors Some preliminary ideas to begin discussion Proposal to implement a new area of accelerator R&D at LPSC Production of electrons, possibly polarized Develop electron polarimetry Strong synergy with our involvement in Super B TDR (collaboration with LAL-Orsay) Support to experiment at Jlab : production of polarized positrons Some experience in group High polarization photoguns from Jlab Electron polarimetry (Mott and Compton) Start from scratch in terms of infrastructures Need to evaluate What is needed at CERN : identify What can be realistically undertaken at LPSC

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