منابع مشابه
ar X iv : n uc l - ex / 0 50 10 23 v 1 2 4 Ja n 20 05 Drift chamber with a c - shaped frame
We present the construction of a planar drift chamber with wires stretched between two arms of a c-shaped aluminium frame. The special shape of the frame allows to extend the momentum acceptance of the COSY-11 detection system towards lower momenta without suppressing the high momentum particles. The proposed design allows for construction of tracking detectors covering small angles with respec...
متن کاملThe BaBar Drift Chamber
The central drift chamber for the BaBar detector at the PEP-II Bfactory at SLAC is a cylindrical chamber with a length of 280 cm and outer radius of 81 cm. It consists of 40 layers of small hexagonal cells arranged in 10 axial and stereo super-layers. In order to minimize multiple scattering, light materials are used for the mechanical structure, and the gas mixture is Helium based. The pulse-h...
متن کاملThe BaBar drift chamber project
The BaBar Drift Chamber is now under construction. We review its design, the progress in the construction of the components, the plan for assembly and stringing and we present test results obtained with a prototype exposed at SLAC to cosmic rays. We also report on projected dE/dx performance from beam tests done with a chamber with a different cell design. ( 1998 Published by Elsevier Science B...
متن کاملFinite Element Analysis of Shaped Front Endplates for the BaBar Drift Chamber
This note summarizes results from a preliminary stress analysis of several shaped driftchamber endplates using the PC-based finite-element-analysis program ALGOR. We infer from evidence presented below that both the stresses and displacements in thin shaped endplates under uniform wire load scale as 1/thickness. A rough understanding is that the stresses are primarily tension and compression in...
متن کاملDrift Chamber Tracking with a Vlsi Neural Network
Government nor any agency thereof, nor any of their employees, makes any warranty, ezpress or implied, 07 assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, OP process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or se...
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ژورنال
عنوان ژورنال: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
سال: 2005
ISSN: 0168-9002
DOI: 10.1016/j.nima.2004.12.006