CALIBRATION OF THE EXTENDED QUADRIHEDRAL NaI(Tl) SPECTROMETER BY COSMIC MUONS

CALIBRATION OF THE EXTENDED QUADRIHEDRAL NaI(Tl) SPECTROMETER BY COSMIC MUONS

The results of cosmic muon calibration of the extended quadrihedral NaI(Tl) spectrometer are presented. The signal amplitude and energy resolution of the spectrometer in the direction transverse to the spectrometer axis have complex dependences on the photomultiplier voltage and particle entrance po...

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Veröffentlicht in:Bulletin of the Lebedev Physics Institute 2020-08, Vol.47 (8), p.219-222
Hauptverfasser: Baskov, V. A., Govorkov, B. B., Polyansky, V. V.
Format: Artikel
Sprache:eng
Schlagworte:
Calibration
Electric potential
Energy resolution
Muons
Photomultiplier tubes
Physics
Physics and Astronomy
Voltage
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Zusammenfassung:The results of cosmic muon calibration of the extended quadrihedral NaI(Tl) spectrometer are presented. The signal amplitude and energy resolution of the spectrometer in the direction transverse to the spectrometer axis have complex dependences on the photomultiplier voltage and particle entrance point to the spectrometer. At a photomultiplier divider voltage U = 1150 ± 10 V, the region of uniform signals is observed over ~90% of the spectrometer length, the relative energy resolution is δ ≈ 7%.
ISSN:1068-3356
1934-838X
DOI:10.3103/S1068335620080023