NDLI: The P̄ANDA Barrel-TOF Detector

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The P̄ANDA Barrel-TOF Detector

Content Provider	Semantic Scholar
Author	Böhm, Manfred Dipl.-Ing. Goetzen, Klaus Gruber, Lukas Kratochwil, Nicole A. Lehmann, Albert Orth, Herber Steinschaden, D. Suzuki, Ken Zimmermann, Sören
Copyright Year	2017
Abstract	Abstract The PANDA experiment is a fixed target experiment in which antiprotons collide with stationary hydrogen atoms. The main physics program of the experiment is to study open questions in hadron physics by performing charmonium spectroscopy and precisely measuring the width, mass and decay branches, and investigating possible exotic states like glueballs and hybrids. The Barrel Time-of-Flight detector (Barrel TOF), located between the DIRC detector and the electromagnetic calorimeter (EMC), which is built in the PANDA target spectrometer, has been designed to measure the time at which a charged particle transits the detector with a resolution superior to the other sub-detectors of PANDA. A time resolution below 100 ps (sigma) is mandatory for this sub-detector to fulfil the requirements of good event separation and particle identification below the Cherenkov threshold. The implementation of the Barrel TOF is based on very fast organic scintillator tiles with a size of 87 x 29.5 x 5 mm 3 coupled to Silicon Photomultipliers. The total of 1920 tiles are read out by 8 SiPMs each and cover almost the full azimuthal range and polar angles from 22.5 ∘ to 140 ∘ and an area of about 5 m 2 . The current prototypes achieve ∼ 60 ps, well below the design goal. The detector R&D is now in a matured stage.
Starting Page	323
Ending Page	325
Page Count	3
File Format	PDF HTM / HTML
DOI	10.1016/j.nima.2017.12.010
Volume Number	912
Alternate Webpage(s)	https://indico.inp.nsk.su/event/8/session/8/contribution/136/material/slides/0.pdf
Alternate Webpage(s)	https://panda.gsi.de/system/files/user_uploads/ken.suzuki/TA-CON-2017-016.pdf
Alternate Webpage(s)	https://panda.gsi.de/system/files/user_uploads/albert.lehmann@physik.uni-erlangen.de/PA-PRO-2017-016.pdf
Alternate Webpage(s)	https://doi.org/10.1016/j.nima.2017.12.010
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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