SYSTEMATIC INVESTIGATION OF THE ELECTROMAGNETIC ENERGY RESOLUTION ON SAMPLING FREQUENCY USING SILICON CALORIMETERS

Authors
BOSETTI M FURETTA C LEROY C PENSOTTI S PENZO A RANCOITA PG RATTAGGI M REDAELLI M SALVATO G TERZI G
Citation
M. Bosetti et al., SYSTEMATIC INVESTIGATION OF THE ELECTROMAGNETIC ENERGY RESOLUTION ON SAMPLING FREQUENCY USING SILICON CALORIMETERS, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 345(2), 1994, pp. 244-249
Citations number
17
Categorie Soggetti
Nuclear Sciences & Tecnology","Physics, Particles & Fields","Instument & Instrumentation",Spectroscopy
Journal title
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment → ACNP
ISSN journal
01689002
Volume
345
Issue
2
Year of publication
1994
Pages
244 - 249
Database
ISI
SICI code
0168-9002(1994)345:2<244:SIOTEE>2.0.ZU;2-Q
Abstract
The energy resolution, of electromagnetic sampling calorimeters using silicon mosaics as active medium, has been measured for Pb and Fe abso rbers at incoming electron energies of 2, 4, and 6 GeV. The energy res olution, found for the Si/Pb and Si/Fe calorimeters, is well represent ed by sigma(E)/E = K square-root tau/E(GeV), where tau is the sampling frequency and E the incoming electron energy. The energy resolution c an be rewritten as a function of the dead area energy losses (D): sigm a(E)/E=(K0(1 + a1D))% square-root tau/E(GeV) with K0 = (17.6 +/- 0.3)% , (22.8 +/- 0.8)%, for Si/Pb, Si/Fe, respectively; a1 = 0.07 +/- 0.02 for both absorbers.