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Instrument
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L1 (moderator to sample) : m L2 (sample to detector) : m L3 (monochro chopper to sample) : m LT0 (moderator to T0 chopper) : m  (Cited from S. Itoh et al. Physica B: Condensed Matter 568, 76-80 (2019), and modified from the original version. ) See also Official WebSite : BL12 HRC - High Resolution Chopper Spectrometer - |
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TOF diagram
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Chopper face at t=0 :
Fermi chopper freq. : T0 chopper freq. : Target Ei : meV Upper limit of Ei : meV Ei number offset : (for plotting) phase offset : ms Ei(1): meV Ei(2): meV Ei(3): meV Ei(4): meV Ei(5): meV |
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Q-E cuts (on the equator plane)
| Sample | q-vectors |
Detector Banks (two-theta range) |
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a* : A-1 b* : A-1 angle between a* and b* : deg. |
q1 : h , k q2 : h , k q3 : h , k |
Det1 : - Det2 : - Det3 : - Det4 : - |
ωoffset : (ω angle for a* || ki)
ω angle range : from to degs
>> Calculated ψ angle range : from to (Note: ψ = − (ω − ωoffset))
Ei(1) = meV
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Energy transfer : meV |
Q-E cut from (H , K ) to (H , K ) |
Ei(2) = meV
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Energy transfer : meV |
Q-E cut from (H , K ) to (H , K ) |
Ei(3) = meV
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Energy transfer : meV |
Q-E cut from (H , K ) to (H , K ) |
Ei(4) = meV
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Energy transfer : meV |
Q-E cut from (H , K ) to (H , K ) |
Ei(5) = meV
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Energy transfer : meV |
Q-E cut from (H , K ) to (H , K ) |