//[[FrontPage]]

* Spectrometer Design [#hfded889]

** layout [#p56f7515]

#ref(spectrometer.png,,left)
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** Performance [#d3f8ae82]

- acceptance: 60% (for D*-)

- resolution: '''Δp/p=0.2%''' at ~5 GeV/'''c'''


** Background Study [#i3e38081]

* Detector R&D [#af1be24e]

** &aname(RICH){Ring Imaging Cherenkov Counter (RICH)}; [#ld357789]

** &aname(SFT){Scitillating Fiber Tracker (SFT)}; [#h3f9b019]

** &aname(BDC){Barrel Drift Chamber (BDC)}; [#je0f95ea]

- BDC: Wiring Snap shot

#ref(IMG_20180903_110134-2.jpg,around,left)
[[Movie:https://www.rcnp.osaka-u.ac.jp/~noumi/j-parc/highpBarrelDC/VID_20180903_132019.3gp]](3gp, 217.904 MB)
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- BDC: Wire Tension Measurement

#ref(IMG_20180904_115020-2.jpg,around,left)
Setup (PC,Tension Checker,Oscilloscope,External Magnet)
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#ref(IMG_20180904_114932-2.jpg,around,left)
Cabling (Drive+Sense,Reference)
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#ref(IMG_20180904_114916-2.jpg,around,left)
Cabling (Return)
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- BDC: Wire Repair -> &ref(wire_repair2.pdf,how to repair);
- BDC: Wire Repair -> &ref(wire_repair2.pdf,,,how to repair);

&ref(IMG_20180906_093850-2.jpg); 
&ref(IMG_20180906_092348-2.jpg);&br;
&ref(IMG_20180906_093818-2.jpg); 
&ref(IMG_20180906_100309-2.jpg);&br;
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