An electromagnetic shashlik calorimeter with longitudinal segmentation
CALEIDO collaboration: A. C. Benvenuti (1), I. Britvich (6), T., Camporesi (2), P. Checchia (4), A. Feniouk (6), V. Hedberg (3), V. Lishin, (6), M. Margoni (5), M. Mazzucato (5), V. Obraztsov (6), M. Paganoni (4), V., Poliakov (6), F. Simonetto (5), F. Terranova (4)
TL;DR
This paper presents a new longitudinal segmentation technique for shashlik calorimeters, tested at CERN, demonstrating improved energy resolution and particle separation capabilities.
Contribution
It introduces a novel segmentation method using vacuum photodiodes within a shashlik calorimeter, enhancing performance metrics.
Findings
Improved energy resolution achieved
Effective impact point reconstruction demonstrated
Enhanced electron/pion separation observed
Abstract
A novel technique for longitudinal segmentation of shashlik calorimeters has been tested in the CERN West Area beam facility. A 25 tower very fine samplings e.m. calorimeter has been built with vacuum photodiodes inserted in the first 8 radiation lengths to sample the initial development of the shower. Results concerning energy resolution, impact point reconstruction and electron/pion separation are reported.
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