05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ EURO Beta Beams Kick-off meeting  Elena Wildner, CERN

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Outline FP6 baseline  Some important issues FP7  Contributions from participants Timeline  Deliverables  Milestones

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Outline FP6 baseline  Some important issues FP7  Contributions from participants Timeline  Deliverables  Milestones

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Neutrino Source Decay Ring Ion production ISOL target & Ion source Proton Driver Decay ring B  = 1500 Tm B = ~6 T C = ~6900 m L ss = ~2500 m 6 He:  = Ne:  = 100 SPS Acceleration to medium energy RCS, 1.5 GeV PS Acceleration to final energy PS & SPS Beam to experiment Ion acceleration Linac Beam preparation ECR pulsed Ion production Acceleration Neutrino source Detector in the Frejus tunnel Existing!!! 8.7 GeV 93 GeV Beta Beam Baseline Scenario

FP6 – Accelerator Chain Beta Beam baseline parameters A. Fabich, E. Wildner / CERN RCS preliminary design – A. Lachaize, A. Tkatchenko / CNRS/IN2P3/IPN Orsay Decay ring preliminary design - A. Chancé and J. Payet / CEA/DSM/DAPNIA Preliminary study of the collimation and absorbers in the Decay Ring – E. Wildner, A. Fabich, M. Stockner / CERN Assymetric bunch merging in the Decay Ring – S. Hancock, M. Benedikt / CERN PS activation and collimation studies M. Kirk, P. Spiller, J. Stadlmann, C. Omet / GSI Darmstadt Decay losses along the accelerator chain of the beta beam A. Fabich, M. Benedikt / CERN

FP6 – Production Production of 6 He and 18 Ne for EURISOL DS - T. Stora and EURISOL task 3 participants / CERN + CEA Saclay  6 He from a BeO target surrounding a n converter – optimization N. Thiollière and coworkers CEA Saclay  18 Ne from a MgO target - Factor 5 below requirements Direct production, alternative production methods – M. Loiselet S. Mitrofanov / UCL Laboratoire du Cyclotron  7 Li (p,2p) 6 He  16 O ( 3 He,n) 18 Ne – Interesting, large targets and intense 3 He beams Ionization and cooling ring - C. Rubbia, A. Ferrari, Y. Kadi, V. Vlachoudis et al. / CERN  Novel ideas with new baseline isotopes 8 Li and 8 B  A general concept - could be used beyond EURISOL and beta beams Ionization and bunching - T. Lamy and T. Thuillier/ LPSC Grenoble  60 GHz ion source design – EURISOL task 9 An accumulation ring at low energy – A. Källberg M. Lindroos / MSL and CERN

EURISOL DS task 12:“Beta Beam aspect” D1 Design of low energy ring(s) NoMilestones and expected results of this taskMonths dueachieved D1 /M1.1Final choice on baseline design4√ D1 /M2.1Freeze in/out parameters9√ D1 /M2.2First order optics design18√ D1 /M2.3First design low energy ring(s)45 D2 Ion acceleration scenarios in PS and SPS NoMilestones and expected results of this taskMonths due achieved D2 /M3.1Freeze in/out parameters9√ D2 /M3.2Identification of limitation18√ D2 /M3.3Study of ion acceleration in PS and SPS and possible upgrade45 D3 Design of decay ring NoMilestones and expected results of this taskMonths due achieved D3 /M4.1Freeze input parameters9√ D3 /M4.2First order optics design18√ D3 /M4.3Decay ring design45 D4 Conceptual design report for a beta beam facility M. Benedikt and M. Lindroos

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Outline FP6 baseline  Some important issues FP7  Contributions from participants Timeline  Deliverables  Milestones

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Ion production 6 He (tungsten or liquid metal as neutron converter and BeO as target) 18 Ne (spallation, direct on magnesium oxide) Short-fall of ions if classical methods used Proposal to produce other isotopes  Isotopes like 8 Li and 8 B better  Higher Q -> higher energy neutrinos

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Ion acceleration Linac  Multiple charge state acceleration? Accumulation in the PS of 20 RCS bunches  PS2? SPS, new 40 MHz and 200 MHz systems give 10 ns long bunches into the decay ring.

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Neutrino production Decay ring 7000 m 36 % straight sections, 5T superconducting magnets ( 6 He up to  =150) Stacking (dilated life-time) by assymetric merging  Do we need it? If we can relax on the dutyfactor we can fill the complete Decay Ring and we can use a ”barrier bucket filling scheme” (ref. FNAL anti-protons) Collimation and absorption of decayed ions

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Outline FP6 baseline  Some important issues FP7  Contributions from participants Timeline  Deliverables  Milestones

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ New ions: Production Ring (CERN) Gas target or liquid metal film target? Supersonic gas target Argonne National lab. liquid metal film target? FFAG or ”classical” ring lattice Production Ring “Beam Cooling with ionisation losses” C. Rubbia, A. Ferrari, Y. Kadi, V. Vlachoudis

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ ECR (LPSC, GHMFL) 60 GHz ECR for bunching studies 6 He and 18 Ne contunued for reach of high efficiencies. Study and first tests on bunching 8 Li and 8 B Ion source technology (magnetic structures)

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Collection Device ( UCL, INFN) Prototype of production ring collection device  extraction efficiency of 8 Li measured  8 B extraction tested on-line Release efficiencies Production cross sections (theory & experiment)

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Decay Ring ( CERN, CEA) New baseline scenario for new beta emmitters Superconducting Dipoles Magnet Protection Collimation Revise stacking process

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Decay Ring, stacking ( CERN) Stacking (dilated life-time) by assymetric merging. If we can relax on the dutyfactor we can fill the complete Decay Ring and we can use a ”barrier bucket filling scheme” (ref. FNAL anti-protons)” He Ne

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Other contributions Supersonic Gas injector (PPPL) Alternative ION collection devices (ANL) Beam tracking code ACCIM (TRIUMF) Analysis and theoretical work on results at LPSC (The institute of Applied Physics in Nizhny Novgorod) Princeton Plasma Physics Laboratory Laboratoire de Physique Subatomique et de Cosmologie de Grenoble

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Outline FP6 baseline  Some important issues FP7  Contributions from participants Timeline  Deliverables  Milestones

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ FP7

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Staff effort

05/02/08 EUROnu, Elena Wildner, CERN, 05/02/ Kick-off FP7 WP4 beta beams A kick-off meeting will be organized in spring 2008 Thanks to: P.Delahaye M.Lindroos A.Fabich and M.Benedikt!