Northern Illinois University Tail-catcher/Muon Tracker Test
- Northern Illinois Univ., DeKalb, IL (United States)
This Memorandum of Understanding requests beam time at the Meson Test Beam Facility in Jan-Feb 2006 for tests with a few layers of the CALICE Tail-catcher/Muon Tracker prototype. The memorandum is intended solely for the purpose of providing a work allocation for Fermi National Accelerator Laboratory and the Northern Illinois University. It reflects an arrangement that is currently satisfactory to the parties involved. It is recognized, however, that changing circumstances of the evolving research program may necessitate revisions. The parties agree to negotiate amendments to this memorandum to reflect such revisions. The CALICE Collaboration is pursuing the construction of a cubic meter sized scintillator-steel device which will serve as both a tail-catcher and muon tracker (TCMT). The prototype being constructed under the leadership of Northern Illinois University (NIU) with assistance from DESY and Fermilab has been designed with this dual purpose in mind. The TCMT will have a fine and coarse section distinguished by the thickness of the steel absorbers (2cm and 10 cm respectively). The fine section sitting directly behind the hadron calorimeter will provide a reasonable snapshot of the tail end of the hadron showers which is germane to the validation of hadronic generator Monte Carlos. The following coarse section will be a high quality muon tracker and will facilitate studies of muon reconstruction and identification within the particle flow framework. There will be a total of 16 layers (8 fine and 8 coarse) in the TCMT. Extruded scintillator strips with wavelength shifting fiber mated to Silicon Photomultiplier readout will serve as the active medium. The strips are 1m long, 5 cm wide and 5 mm thick. The choice of these dimensions have been driven by Monte Carlo studies focused on both calorimetric and muon reconstruction issues. The strips will be oriented perpendicular to each other in successive layers. The TCMT will use the same electronics as the scintillator-steel hadron calorimeter. The tests involve a set of TCMT layers or 'cassettes' which have been built at NIU. Data collected from the tests will be used to characterize the TCMT response, its stability and uniformity under beam conditions. The data taking will also result in the setup of a commissioned test-stand running the full CALICE electronics chain which would be of much interest to other US CALICE institutions. The tests are expected to start in Feb. of 2006 and should be considered as a precursor to the larger ones planned by CALICE and the American Linear Collider Calorimetry groups.
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1973938
- Report Number(s):
- FERMILAB-PROPOSAL-0957; oai:inspirehep.net:878638; TRN: US2403432
- Country of Publication:
- United States
- Language:
- English
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