paper

A multiball read-out for the spherical proportional counter

arXiv:1707.09254 · doi:10.1088/1748-0221/12/12/P12031

Abstract

We present a novel concept of proportional gas amplification for the read-out of the spherical proportional counter. The standard single-ball read-out presents limitations for large diameter spherical detectors and high pressure operations. We have developed a multi-ball read-out system which consists of several balls sitting at a fixed distance from the center of the spherical vessel. Such a module can tune the volume electric field at the desired value and can also provide detector segmentation with individual ball read-out. In the latter case the large volume of the vessel becomes a spherical time projection chamber with 3D capabilities.

arXiv comment10 figures, 14 pages

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