MICE FAC open session Alain Blondel 1   MICE The International Muon Ionization Cooling Experiment

MICE FAC open session Alain Blondel 2 2 ISIS MICE Hall R5.2

MICE FAC open session Alain Blondel 3 MICE beam line hardware is complete and MICE hall ready for next steps!

MICE FAC open session Alain Blondel 4  Incoming muon beam Variable Diffuser Beam PID TOF 0, TOF 1 Cherenkovs Trackers 1 & 2 Liquid Hydrogen absorbers 1,2,3 Downstream particle ID: TOF 2, KL EMR RF cavitiesRF power Spectrometer solenoid 1 Spectrometer solenoid 2 Coupling Coils 1&2 Focus coils MICE Collaboration across the planet

MICE FAC open session Alain Blondel 5 University of Sofia, Bulgaria The Harbin Institute for Super Conducting Technologies PR China INFN Milano, INFN Napoli, INFN Pavia, INFN Roma III, INFN Trieste, Italy KEK, Kyoto University, Osaka University, Japan NIKHEF, The Netherlands CERN Geneva University, Paul Scherrer Institut Switzerland Brunel, Cockcroft/Lancaster, Glasgow, Liverpool, ICL London, Oxford, Darsbury, RAL, Sheffield, Warwick UK Argonne National Laboratory, Brookhaven National Laboratory, University of Chicago Enrico Fermi Institute, Fermilab, Illinois Institute of Technology, Jefferson Lab, Lawrence Berkeley National Laboratory, UCLA, Northern Illinois University, University of Iowa, University of Mississippi, UC Riverside, Muons Inc. USA THE MICE COLLABORATION -130 collaborators-

MICE FAC open session Alain Blondel 6 Recent news Many achievements during the last 6 months: -- completed beam line and -- running routinely with excellent collaboration with ISIS. -- completed most of detector systems -- observed muon beam routinely  -- online reconstruction and first measurement of emittance -- intensity of beam getting close to required for steps I-IV -- published first paper using MICE beam (TOF paper) -- preparing a beamline paper -- welcomed new collaborators (University of Chicago Young Kee Kim et al -- devised new absorbers -- construction of RF cavities -- but some trouble with magnets   schedule slip.

MICE FAC open session Alain Blondel 7 Spectrometer Solenoids situation As described at CM26 the next attempt to run the “magnet 2” has led to a failure in the area of the low temperature current leads. It is becoming clear that the technological choice of cooling these rather large magnets with cryocoolers (cheaper and less space-consuming than a large fridge) requires near perfection in both design and execution. Investigations are continuing. Measurements were made to establish the heat loads and the Helium consumption – they are found higher than anticipated. The magnet is now open for inspection. A number of steps are being taken -- To increase/stabilize personnel working on the magnets both at LBNL and at RAL. -- Estimating cost of large fridge (unlikely to work, but checking) -- A working plan will be drawn in consultation with the solenoid review panel who will meet by video in the week of May2-5. We aim at having one solenoid in time to start step II in March Step III 3 months later. (working assumptions for the rest of the project)

MICE FAC open session Alain Blondel 8

9 EMR plane (Geneva) Diffuser mechanism (Oxford) RF Amplifier (Daresbury) RF cavities (Berkeley) Coupling coil forged mandrel (Harbin China) absorber windows (Mississippi) LiqH2 absorber (KEK) MICE is a fantastic world-wide team effort!

MICE FAC open session Alain Blondel 10 This morning: Open Funding Agency Committee meeting MICE Beam Line commissioning – Ken Long (25’) MICE Detectors and first results – Maurizio Bonesini (25’) Cooling Channel Preparations - Mike Zisman (25’)