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Design, construction, and commissioning of the time-of-flight detector for BNL-AGS Experiment 896

A Time-of-Flight (TOF) detector is used to provide particle identification in BNL-AGS Experiment 896. It is also used to assist in tracking and as a fast trigger. Results are presented from simulations which optimized the dimensions and position of the TOF system. Rates for measuring daughters of certain strange neutral particles are given for several cuts. Based on these simulation results, TOF detectors were added to the experiment. The analysis of data from a 1997 heavy ion beam run and a 1997 secondary beam run are discussed. The best method to estimate the location of the minimum ionizing peak of the ADC distribution was found among several different methods. Two different methods to slew correct the TDC data are investigated. Effects of momentum variance and path length variance on the time resolution of one of the TOF detector slats are studied. Plans to improve the detector for the upcoming 1998 heavy ion beam run are also discussed.

Identiferoai:union.ndltd.org:RICE/oai:scholarship.rice.edu:1911/17214
Date January 1998
CreatorsStokely, Christopher Lee
ContributorsLlope, William J.
Source SetsRice University
LanguageEnglish
Detected LanguageEnglish
TypeThesis, Text
Format49 p., application/pdf

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