PERFORMANCE OF A LIQUID ARGON ELECTROMAGNETIC CALORIMETER WITH AN ACCORDION GEOMETRY

Aubert, B; Bazan, A; Cavanna, Flavio; Colas, J; Leflour, T; Vialle, Jp; Gordon, Ha; Polychronakos, V; Radeka, V; Rahm, D; Stephani, D; Baisin, L; Berset, Jc; Fabjan, Cw; Fournier, D; Gildemeister, O; Jenni, P; Lefebvre, M; Marin, Cp; Nessi, M; Nessitedaldi, F; Pepe, M; Polesello, G; Richter, W; Sigrist, A; Willis, Wj; Camin, Dv; Costa, G; Gianotti, F; Mandelli, L; Pessina, G; Iconomidoufayard, L; Merkel, B; Petroff, P; Repellin, Jp

doi:10.1016/0168-9002(91)90247-N

The first prototype of a lead-liquid-argon e.m. calorimeter with accordion-shaped absorber and electrode plates has been built and tested with electron and muon beams at the CERN SPS. This novel geometry combines good granularity with high readout speed and minimal dead space. For a response peaking time of 140 ns, an energy resolution of 10%/square-root E[GeV] and a space resolution of 4.4 mm/square-root E[GeV] with a 2.7 cm cell size have been achieved for electrons. The position accuracy for muons is better than 2 mm.

Titolo:	PERFORMANCE OF A LIQUID ARGON ELECTROMAGNETIC CALORIMETER WITH AN ACCORDION GEOMETRY
Autori:	AUBERT B BAZAN A CAVANNA, FLAVIO COLAS J LEFLOUR T VIALLE JP GORDON HA POLYCHRONAKOS V RADEKA V RAHM D STEPHANI D BAISIN L BERSET JC FABJAN CW FOURNIER D GILDEMEISTER O JENNI P LEFEBVRE M MARIN CP NESSI M NESSITEDALDI F PEPE M POLESELLO G RICHTER W SIGRIST A WILLIS WJ CAMIN DV COSTA G GIANOTTI F MANDELLI L PESSINA G ICONOMIDOUFAYARD L MERKEL B PETROFF P REPELLIN JP mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	1991
Rivista:	NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT
Abstract:	The first prototype of a lead-liquid-argon e.m. calorimeter with accordion-shaped absorber and electrode plates has been built and tested with electron and muon beams at the CERN SPS. This novel geometry combines good granularity with high readout speed and minimal dead space. For a response peaking time of 140 ns, an energy resolution of 10%/square-root E[GeV] and a space resolution of 4.4 mm/square-root E[GeV] with a 2.7 cm cell size have been achieved for electrons. The position accuracy for muons is better than 2 mm.
Handle:	http://hdl.handle.net/11697/3639
Appare nelle tipologie:	1.1 Articolo in rivista

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