CCNY collaboration with BNL in R and D for ISABELLE detectors. Technical progress report, November 1, 1980-June 10, 1981
The difference in ionization loss of particles as a function of their velocity is widely used as a technique to identify the particles. The ionization loss in gas samples an order of magnitude smaller than previously investigated was studied. In order to do this, new techniques were developed which use a longitudinal drift ionization detector and fast analog to digital conversion techniques which allow one to effectively slice a piece of track into very small samples by electronic means using a small prototype chamber. It was demonstrated that this technique can substantially improve the mass resolution capability of gas particle detectors, and was shown that only a rather coarse analog to digital converter (ADC) resolution is required to capture all the information needed with the truncated mean sampling method employed to determine the relative energy loss. These new developments can substantially increase the sensitivity of particle separation by ionization measurements via gas particle detectors. A larger ten-layer prototype is now being tested which will optimize the design for a large type of test chamber which could then be utilized to design actual experimental measuring equipment.
- Research Organization:
- City Coll., New York (USA)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-79ER10550
- OSTI ID:
- 6343814
- Report Number(s):
- DOE/ER/10550-2; ON: DE81027963; TRN: 81-015345
- Country of Publication:
- United States
- Language:
- English
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