PSI Muons - ISIS

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$Single Crystal Diffraction: Shelx tutorial - ISIS$

Characteristics of epithermal muons L A s y m m e t r y AP(t) P(0) ≅1 E. Morenzoni, T. Prokscha, A. Suter, H. Luetkens, R. Khasanov, J.Phys.: Cond. Matt. 16, S4583 (2004). T i m e [ µ s ] E. Morenzoni, F. Kottmann, D. Maden, B. Matthias, M. Meyberg, T. Prokscha, T. Wutzke, U. Zimmermann, PRL 72, 2793 (1994). suppression of electronic energy loss for E > E g , large band gap E g (10-20 eV) „soft, perfect“ insulators large escape depth L (10-100 nm), no loss of polarization during moderation (~10 ps) moderation efficiency is low (requires high intensity µ + beam, > 10 8 µ + /s): -4 ε µ+ = N epith /N 4MeV ≈ ∆Ω (1-F Mu ) L/∆R ≈ 0.25 L/ ∆R ≈ 10 – 10 -5 ∆Ω: probability to escape into vacuum (~50% for isotropic angular distribution) F Mu : muonium formation probability page 28
LE-µ+ Apparatus at µE4 beam line At 2.2 mA proton current: ~4.6 • 10 8 µ + /s total, ∆p/p = 9.5% (FWHM) ~1.9 • 10 8 µ + /s on LEM moderator ~1.1 • 10 4 µ + /s moderated (solid Ar) T. Prokscha, E. Morenzoni, K. Deiters, F. Foroughi, D. George, R. Kobler, A. Suter and V. Vrankovic Nucl. Instr. Meth. A 595, 317 (2008).
Page 1 and 2: Wir schaffen Wissen - heute für mo
Page 3 and 4: n SINQ SwissFEL µSµS γ SLS
Page 5 and 6: The PSI isochronous cyclotron 2.2 m
Page 7 and 8: PSI muon beam time structure Pion d
Page 9 and 10: Continuous versus pulsed muon beams
Page 11 and 12: ● GPS “tells” kicker to send
Page 13 and 14: The new high-field µSR facility at
Page 18: Oxford Instrument 8/9.5 T Recondens
Page 22 and 23: Commissioning 2012, user operation
Page 24 and 25: Implantation Profiles of Low Energy
Page 26 and 27: Generation of polarized epithermal
Page 30 and 31: LE-µ + beam and LE-µSR spectromet
Page 32 and 33: Low energy µ + beam and set-up for
Page 34 and 35: Magnetic field profiles in supercon
Page 36 and 37: In-plane Anisotropy in detwinned YB
Page 38 and 39: Meissner effect in a strongly under
Page 40 and 41: Spatially homogeneous ferromagnetis
Page 42 and 43: “Cold” muonium from mesoporous
Page 44 and 45: Developments • Spin-rotator for L
Page 46 and 47: LEM spin-rotator installation Jan-1
Page 48: LEM group at PSI T. Prokscha, H. Sa

PSI Muons - ISIS

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