The muon and neutral hadron detector (instrumented flux return or IFR) in the forward endcap of the BaBar detector at SLAC was upgraded by the installation of a new generation of resistive plate chambers (RPCs) and by increasing the absorber. The chamber replacement was made necessary by the rapid aging and efficiency loss of the original BaBar RPCs. Based on our experience with those original RPCs and 24 RPCs with thinner linseed oil treatments, improvements in the design, construction, and testing of the new generation RPCs were implemented and are described in detail. (C) 2004 Elsevier B.V. All rights reserved.
BaBar forward endcap upgrade RID C-5719-2008 RID D-1055-2009
AVANZINI, CARLO;CARPINELLI, MASSIMO;FORTI, FRANCESCO;NERI, NICOLA;PAOLONI, EUGENIO;
2005-01-01
Abstract
The muon and neutral hadron detector (instrumented flux return or IFR) in the forward endcap of the BaBar detector at SLAC was upgraded by the installation of a new generation of resistive plate chambers (RPCs) and by increasing the absorber. The chamber replacement was made necessary by the rapid aging and efficiency loss of the original BaBar RPCs. Based on our experience with those original RPCs and 24 RPCs with thinner linseed oil treatments, improvements in the design, construction, and testing of the new generation RPCs were implemented and are described in detail. (C) 2004 Elsevier B.V. All rights reserved.File in questo prodotto:
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