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Hadron detection with a dual-readout fiber calorimeter
Lee, S.,Cardini, A.,Cascella, M.,Choi, S.,Ciapetti, G.,Ferrari, R.,Franchino, S.,Fraternali, M.,Gaudio, G.,Ha, S.,Hauptman, J.,Kim, H.,Lanza, A.,Li, F.,Livan, M.,Meoni, E.,Park, J.,Scuri, F.,Sill, A. Elsevier 2017 Nuclear instruments & methods in physics research. Vol.866 No.-
<P><B>Abstract</B></P> <P>In this paper, we describe measurements of the response functions of a fiber-based dual-readout calorimeter for pions, protons and multiparticle “jets” with energies in the range from 20 to 180 GeV. The calorimeter uses lead as absorber material and has a total mass of 1350 kg. It is complemented by leakage counters made of scintillating plastic, with a total mass of 500 kg. The effects of these leakage counters on the calorimeter performance are studied as well. In a separate section, we investigate and compare different methods to measure the energy resolution of a calorimeter. Using only the signals provided by the calorimeter, we demonstrate that our dual-readout calorimeter, calibrated with electrons, is able to reconstruct the energy of proton and pion beam particles to within a few percent at all energies. The fractional widths of the signal distributions for these particles ( σ ∕ E ) scale with the beam energy as 30 % ∕ E , without any additional contributing terms.</P>