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High-precision measurement of the electron drift velocity in Ne–

✍ Scribed by J. Wiechula; P. Braun-Munzinger; H. Daues; U. Frankenfeld; C. Garabatos; J. Hehner; R. Renfordt; H.R. Schmidt; H. Stelzer; D. Vranić


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
307 KB
Volume
548
Category
Article
ISSN
0168-9002

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✦ Synopsis


The baseline gas mixture which will be used in the ALICE TPC is 90% Ne and 10%

CO

2

. The change of the drift velocity due to changes of the

CO

2

concentration as well as

N

2

addition has been studied in high-precision measurements at drift fields between 100 and 900V/cm. Also a precise absolute measurement of the drift velocity has been made. All measurements are compared with calculations.


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