The selected device for the ALICE Time-of-Flight array is the Multigap Resistive Plate Chamber (MRPC). Previously we have tested this device at the Gamma Irradiation Facility (GIF) at CERN to evaluate the rate dependence; we have now performed additional tests using the final design of the MRPC and with a gas mixture free of hydrocarbons. We have measured the performance of the MRPC up to an equivalent flux of minimum ionizing muons of 2.5 kHz/cm2. We also present results from an aging test obtained by exposing two MRPC strips to the GIF source for a period of six months. © 2007 Elsevier B.V. All rights reserved.

Aging and rate effects of the Multigap RPC studied at the Gamma Irradiation Facility at CERN

ALICI, ANDREA;
2007

Abstract

The selected device for the ALICE Time-of-Flight array is the Multigap Resistive Plate Chamber (MRPC). Previously we have tested this device at the Gamma Irradiation Facility (GIF) at CERN to evaluate the rate dependence; we have now performed additional tests using the final design of the MRPC and with a gas mixture free of hydrocarbons. We have measured the performance of the MRPC up to an equivalent flux of minimum ionizing muons of 2.5 kHz/cm2. We also present results from an aging test obtained by exposing two MRPC strips to the GIF source for a period of six months. © 2007 Elsevier B.V. All rights reserved.
Alici, A.; Cara Romeo, G.; Kim, Jinsook; Hatzifotiadou, D.; Sun, Y.; Valenti, G.; Williams, M.C.S; Yakorev, D.; Zichichi, A.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11585/596726
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