The response and resolution of an iron-scintillator calorimeter for hadronic and electromagnetic showers between 10 GeV and 140 GeV

H. Abramowicz*, J. G.H. de Groot, J. Knobloch, J. May, P. Palazzi, A. Para, F. Ranjard, J. Rothberg, W. von Rüden, W. D. Schlatter, J. Steinberger, H. Taureg, H. Wahl, J. Wotschack, F. Eisele, H. P. Klasen, K. Kleinknecht, B. Pszola, B. Renk, H. J. WillutzkiF. Dydak, T. Flottmann, C. Geweniger, J. Królikowski, K. Tittel, C. Guyot, J. P. Merlo, B. Peyaud, J. Rander, J. P. Schuller, R. Turlay, J. T. He, T. Z. Ruan, W. M. Wu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The energy resolution and response of a segmented iron-scintillator total absorption calorimeter has been measured for pion energies from 10 to 140 GeV and for electron energies up to 50 GeV. A procedure has been found to weight individual counter responses for hadron showers which results in improved energy resolution at high energies and a nearly linear dependence of response on hadron energy above 30 GeV. There is evidence in the data that this weighting procedure compensates for fluctuations in energy deposition due to the electromagnetic component of the hadronic shower. For an iron sampling thickness of 2.5 cm the hadron energy resolution follows a 0.58 E law, while the resolution for electromagnetic showers is 0.23 E.

Original languageEnglish
Pages (from-to)429-439
Number of pages11
JournalNuclear Instruments and Methods
Volume180
Issue number2-3
DOIs
StatePublished - 1 Apr 1981
Externally publishedYes

Funding

FundersFunder number
Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie

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