The Straw Tube Trackers of the PANDA Experiment
P. Gianotti (1), V. Lucherini (1), E. Pace (1), G. L. Boca (2), S., Costanza (2), P. Genova (2), L. Lavezzi (2), P. Montanga (2), A. Rotondi (2),, M. Bragadireanu (3), M. E. Vasile (3), D. Pietreanu (3), J. Biernat (4), S., Jowzaee (4), G. Korcyl (4), M. Palka (4)

TL;DR
The paper discusses the design, construction, and testing of straw tube trackers for the PANDA experiment, emphasizing their unique low-mass construction and dual tracking and particle identification capabilities.
Contribution
It introduces a novel straw tube tracker design with minimal material and demonstrates its effective performance through simulations and prototype tests.
Findings
Successful prototype performance confirming design goals
Effective low-momentum particle identification via dE/dx
Reduced material budget enhances detector performance
Abstract
The PANDA experiment will be built at the FAIR facility at Darmstadt (Germany) to perform accurate tests of the strong interaction through bar pp and bar pA annihilation's studies. To track charged particles, two systems consisting of a set of planar, closed-packed, self-supporting straw tube layers are under construction. The PANDA straw tubes will have also unique characteristics in term of material budget and performance. They consist of very thin mylar-aluminized cathodes which are made self-supporting by means of the operation gas-mixture over-pressure. This solution allows to reduce at maximum the weight of the mechanical support frame and hence the detector material budget. The PANDA straw tube central tracker will not only reconstruct charged particle trajectories, but also will help in low momentum (< 1 GeV) particle identification via dE/dx measurements. This is a quite new…
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Taxonomy
TopicsParticle Detector Development and Performance · High-Energy Particle Collisions Research · Nuclear Physics and Applications
