Abstract
Within the CALICE collaboration, several concepts for the hadronic calorimeter of a future linear collider detector are studied. After having demonstrated the capabilities of the measurement methods in "physics prototypes", the focus now lies on improving their implementation in"technological prototypes", that are scalable to the full linear collider detector. The Analog Hadron Calorimeter (AHCAL) concept is a sampling calorimeter of tungsten or steel absorber plates and plastic scintillator tiles read out by silicon photomultipliers as active material. In the AHCAL technological prototype, the front-end chips are integrated into the active layers of the calorimeter and are designed for minimal power consumption. The versatile electronics allows the prototype to be equipped with different types of scintillator tiles and SiPMs. The current status of the AHCAL engineering prototype is shown and recent beam test measurements as well as plans for future hadron beam tests with a larger prototype will be discussed.
Highlights
At a future linear collider, one of the physics goal is the distinction of the hadronic decays of W and Z bosons which requires an unprecedented jet energy resolution of 3 − 4% in a wide range of jet energies from 40 to 500 GeV
These values can be reached by using particle flow algorithms (PFAs) which reconstruct each particle within a jet from the detector part with the best energy resolution
The Analog Hadron Calorimeter (AHCAL) is a sampling hadron calorimeter concept based on scintillator tiles coupled to silicon photomultipliers (SiPMs) as active component
Summary
This content has been downloaded from IOPscience. Please scroll down to see the full text. 2015 J. 16th International Conference on Calorimetry in High Energy Physics (CALOR 2014)
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