MICE: !Moving ForwardJB. Lagrange, A. Bross, D. Kaplan

!on behalf of the MICE collaboration

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JB Lagrange - MAP meeting - May 2015

Step IV

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ElectronMuon

Ranger(EMR)

Pre-shower(KL)

ToF 2

Time-of-flighthodoscope 1

(ToF 0)

Cherenkovcounters(CKOV)

ToF 1

MICEMuonBeam(MMB)

Upstreamspectrometer module

Downstreamspectrometer module

Absorber/focus-coilmodule

Liquid-hydrogenabsorber

Scintillating-fibretrackers

Variable thicknesshigh-Z diffuser

7th February 2015

MICE

Commissioning this summer.

JB Lagrange - MAP meeting - May 2015

Demonstration of! Ionization cooling (DEMO)

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Primary lithium-hydride

absorber

Secondary lithium-hydride

absorber

201 MHzcavity

201 MHzcavity

Secondary lithium-hydrideabsorber

ElectronMuon

Ranger(EMR)

Pre-shower(KL)

ToF 2

Time-of-flighthodoscope 1

(ToF 0)

Cherenkovcounters(CKOV)

ToF 1

MICEMuonBeam(MMB)

Upstreamspectrometer module

Downstreamspectrometer module

Focus-coilmodule

Liquid-hydrogenasorber

Scintillating-fibretracker

Variable thicknesshigh-Z diffuser

Focus-coilmodule

Scintillating-fibretracker

Delivery in 2017.

JB Lagrange - MAP meeting - May 2015

From Step IV to DEMO

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7th February 2015

MICE

7th February 2015

MICE

?

JB Lagrange - MAP meeting - May 2015

Lattice design!

Absorbers!

RF Module!

PRY extension

Outline

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JB Lagrange - MAP meeting - May 2015

Lattice design!

Absorbers!

RF Module!

PRY extension

Outline

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JB Lagrange - MAP meeting - May 2015

Lattice design

Lattice almost frozen.!

5.5% cooling performance.!

Final optimization under way.!

Paper to be submitted soon.

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JB Lagrange - MAP meeting - May 20158

4D emittanceLattice performance

z [m]

4D E

mit.

[mm

]

AFC

abso

rber

AFC

5.5%!cooling

(J. Lagrange’s talk)

JB Lagrange - MAP meeting - May 2015

Lattice design!

Absorbers!

RF Module!

PRY extension

Outline

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JB Lagrange - MAP meeting - May 2015

Absorbers

Primary absorber: LiH (thickness 65 mm).!

Secondary absorbers: LiH ($140K) or plastic.

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JB Lagrange - MAP meeting - May 2015

Radiation shutter !Secondary LiH absorber

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Lead shutter

Vacuum chamber

LiH !Secondary !absorber

Rails

(J. Lagrange’s talk)

JB Lagrange - MAP meeting - May 2015

Lattice design!

Absorbers!

RF Module!

PRY extension

Outline

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JB Lagrange - MAP meeting - May 2015

RF Module

RF in magnetic field confirmed (No breakdown with !

Be windows).!

Gradient of 10.3 MV/m confirmed (held at 13.5 MV/m).!

Final design well advanced.

13(M. Leonova’s talk)

JB Lagrange - MAP meeting - May 2015

RF Module

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Assembly

May 21, 2015 Yagmur Torun | MAP 2015, FNAL 30

(Y. Torun’s talk)

JB Lagrange - MAP meeting - May 2015

RF Module

15(D. Lee’s talk)

JB Lagrange - MAP meeting - May 2015

Lattice design!

Absorbers!

RF Module!

PRY extension

Outline

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JB Lagrange - MAP meeting - May 2015

PRY extension

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3521 May 2015

Engineering

New center section

Aim: drawings complete by beginning of June

(H. Witte’s talk)

JB Lagrange - MAP meeting - May 2015

Summary

A lot of progress achieved. !

Some work remains to be done in the next months.!

Schedule is on track for a delivery in 2017.

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JB Lagrange - MAP meeting - May 2015

Thank you for your attention

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