Detector challenges for μ[sup +]μ[sup -] colliders in the 10–100 TeV range

Rehak, Pavel; Cline, D.; Gatti, E.; Heusch, C.; Kahn, S.; King, B.; Kirk, T.; Norton, P.; Radeka, V.; Samios, N.; Tcherniatine, V.; Willis, W.
August 2000
AIP Conference Proceedings;2000, Vol. 530 Issue 1, p260
Academic Journal
The challenges to design, construct and operate a detector system in an interaction region at a high energy μ[sup +]μ[sup -] collider are briefly summarized. A new solution, based on an extensive use of liquefied rare gases, is proposed for the vertex detector and for the inner tracker. The proposed solution takes a full advantage of the small size of the collision region. The region has radial dimensions below the μm range, while its extent in the beam direction is of the order of 1mm depending on the energy of the machine and on the details of the design. In the energy range considered in this workshop, the momenta of charged particles are high enough to be bent only slightly in the solenoidal magnetic field. The tracks are basically straight lines emerging from a known common point. The proposed solution is based on a projective geometry matched to the desired tracks. The aim of the design is to achieve a background blind radiation hard detector. The second novel feature of the design is the calorimetric instrumentation of two large 20° tungsten cones used to shield the detector from the machine induced background. Here again the full advantage of the known directionality of particles initiating the shower process is incorporated into the design. © 2000 American Institute of Physics.


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