The BESIII drift chamber

The BESIII drift chamber

To meet with requirements of BESIII experiment, the main tracking device is a cylindrical drift chamber with small-cell geometry, using a helium-based gas and operating in a IT magnetic field. A cosmic ray test without magnetic field has been carried out. Preliminary results show that the rms of the...

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Hauptverfasser: Chen, C., Chen, Y.B., Dong, M.Y., Gong, Z.Y., Huang, J., Jin, Y., Li, X., Liu, J.B., Liu, R.G., Ma, X.Y., Qin, Z.H., Shen, H.T., Tang, X., Wang, L., Wang, X.G., Wang, X.H., Wu, L.H., Wu, Z., Xu, M.H., Zhang, G.F., Zhang, J., Zhu, M.X., Zhu, Q.M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Aluminum
BESIII
cosmic ray test
Detectors
drift chamber
Geometry
Helium
Magnetic field measurement
Magnetic fields
Skin
Spatial resolution
Testing
Wires
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Beschreibung
Zusammenfassung:To meet with requirements of BESIII experiment, the main tracking device is a cylindrical drift chamber with small-cell geometry, using a helium-based gas and operating in a IT magnetic field. A cosmic ray test without magnetic field has been carried out. Preliminary results show that the rms of the residual distribution is 168 mum after the pre-alignment and the calibration of T0 and time-to-distance relation.
ISSN:1082-3654
2577-0829
DOI:10.1109/NSSMIC.2007.4436516