hep-ex/9912014

The e/h method of energy reconstruction for combined calorimeter

Kulchitsky, Y.A. (Dubna, JINR) ; Kuzmin, M.V. (Dubna, JINR) ; Vinogradov, V.B. (Dubna, JINR)

Pages: 21

Abstract: The new simple method of the energy reconstruction for a combined calorimeter, which we called the e/h method, is suggested. It uses only the known e/h ratios and the electron calibration constants and does not require the determination of any parameters by a minimization technique. The method has been tested on the basis of the 1996 test beam data of the combined calorimeter and demonstrated the correctness of the reconstruction of the mean values of energies. The obtained fractional energy resolution is $[(58\pm3)%/\sqrt{E}+(2.5\pm0.3)%]\oplus (1.7\pm0.2)/E$. This algorithm can be used for the fast energy reconstruction in the first level trigger.

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