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PSI Muons - ISIS

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Low energy µ + beam and set-up for LE-µSR<br />

- UHV system, 10 -10 mbar<br />

- some parts LN 2<br />

cooled<br />

~1.9 •10 8 µ + /s<br />

rebuilt µE4 beam line<br />

Polarized Low Energy Muon<br />

Beam<br />

Energy: 0.5-30 keV<br />

∆E, ∆t: 400 eV, 5 ns<br />

Depth: 1 – 300 nm<br />

Polarization ~100 %<br />

Beam Spot: 12 mm (FWHM)<br />

~ 11000 µ + /s; accelerate<br />

up to 20 keV<br />

up to ~ 4500 µ + /s<br />

T = 2.5 – 320 K<br />

B = 0 – 0.3 T ┴ , 0 – 0.03 T ║ sample surface<br />

page 31

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