Evidence for compensation in a Si (Fe, Pb) hadron calorimeter by the filtering effect

  • E. Borchi
  • , C. Furetta
  • , P. Giubellino
  • , F. Lamarche
  • , C. Leroy
  • , R. Macii
  • , R. Paludetto
  • , S. Pensotti
  • , A. Penzo
  • , M. Pisani
  • , L. Ramello
  • , P. G. Rancoita
  • , L. Riccati
  • , G. Salvato
  • , A. Seidman
  • , G. Terzi
  • , A. Villari
  • , L. Vismara

Research output: Contribution to journalArticlepeer-review

Abstract

In a calorimeter with silicon readout, operated at the CERN-Proton Synchrotron, the use of a combination of low-Z (Fe) and high-Z (Pb) materials as absorbers allows the transformation of the electron energy distribution of the incident showers in two media with different critical energies via the filtering effect. As a result, a ratio varying from e/π>1 to e/π<1 is obtained as a function of the thickness of high-Z (Pb) material in the absorber, demonstrating the possibility of achieving the compensation condition e/π=1.

Original languageEnglish
Pages (from-to)169-174
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume280
Issue number1-2
DOIs
Publication statusPublished - 23 Apr 1992
Externally publishedYes

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