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Recombination: An important effect in multigap resistive plate chambers

✍ Scribed by K. Doroud; H. Afarideh; D. Hatzifotiadou; J. Rahighi; M.C.S. Williams; A. Zichichi

Book ID: 103858062
Publisher: Elsevier Science
Year: 2009
Tongue: English
Weight: 905 KB
Volume: 610
Category: Article
ISSN: 0168-9002
DOI: 10.1016/j.nima.2009.09.055

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✦ Synopsis

We have simulated the gas avalanche in a multigap resistive plate chamber (MRPC). The results were then compared with our data from the MRPC [1]. Up to now, the total amount of charge produced in a gas gap is considered to be given by the total number of positive ions generated by the gas avalanches. However, the total charge generated by the simulation program is much too large and is in conflict with our data. Our data indicate that nearly 100% of the negative ions recombine with the positive ions. The recombination effect dramatically reduces the amount of charge in the gas gap: a very important feature for MRPC technology especially for the rate capability.

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