Evidence for compensation in a Si hadron calorimeter

Conference · Sun Aug 01 04:00:00 EDT 1993 · IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States)

OSTI ID:5962167

Borchi, E ^[1]; Bosetti, M; Pensotti, S ^[2]; Rancoita, P G; Rattagi, M; Terzi, G ^[3]; Leroy, C ^[4]; Penzo, A ^[5]

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1. INFN-Florence (Italy)
2. INFN-Milan (Italy) Univ. of Milan (Italy)
3. INFN-Milan (Italy)
4. Univ. de Montreal, Quebec (Canada)
5. INFN-Trieste (Italy)

The experiments envisaged at the next generation of hadron colliders will provide the opportunity to search for new physics: for instance, the search for heavy leptons, supersymmetric particles, the Higgs particle(s), and the additional vector bosons predicted in many possible extensions of the Standard Model. The achievement of these various research programs will rely also on the performances of the hadron calorimeters. Their performance are determined by their relative response to the electromagnetic (e) and hadronic ([pi]) shower, measured by the e/[pi] signal ratio. In a hadron sampling calorimeter with silicon readout, a combination of plates of low-Z (Fe) and high-Z (Pb) materials used as absorbers enables the reduction of the calorimeter response to the electromagnetic component of the incoming hadronic shower. This reduction is produced by a filtering effect. As a result, a ratio, varying from e/[pi] > 1 to e/[pi] < 1 is obtained as a function of the low-Z material thickness, demonstrating the possibility to achieve the compensation condition (e/[pi] = 1).

• OSTI ID: 5962167
• Report Number(s): CONF-921005--
• Conference Information: Journal Name: IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States) Journal Volume: 40:4 part 1
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
430303 -- Particle Accelerators-- Experimental Facilities &amp; Equipment
440104* -- Radiation Instrumentation-- High Energy Physics Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ELEMENTARY PARTICLES
ENERGY RESOLUTION
FUNCTIONS
HADRONS
HIGH ENERGY PHYSICS
MATERIALS
MEASURING INSTRUMENTS
PERFORMANCE
PHYSICS
RADIATION DETECTORS
READOUT SYSTEMS
RESOLUTION
RESPONSE FUNCTIONS
SEMICONDUCTOR DETECTORS
SHOWER COUNTERS
SI SEMICONDUCTOR DETECTORS