Track reconstruction of antiprotons and antideuterons in the coordinate-sensitive calorimeter of PAMELA spectrometer using the Hough transform

A method for identifying antiparticles (antiprotons and antideuterons) of low energies in the sampling imaging electromagnetic calorimeter in the PAMELA experiment is proposed. Tracks of antiparticles before annihilation in detector medium, as well as tracks of secondary particles that were born in...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 1189; no. 1; pp. 12009 - 12013
Main Authors Rodenko, S A, Mayorov, A G, Malakhov, V V, Troitskaya, I K
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.03.2019
Subjects
Antiparticles
Antiprotons
Digital imaging
Hough transformation
Image processing
Image reconstruction
Straight lines
Topology
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Summary:A method for identifying antiparticles (antiprotons and antideuterons) of low energies in the sampling imaging electromagnetic calorimeter in the PAMELA experiment is proposed. Tracks of antiparticles before annihilation in detector medium, as well as tracks of secondary particles that were born in the annihilation process, were identified using the Hough transform, the digital image processing method which allows us to search for straight lines on images, which in this case are tracks of particles and antiparticles (searching for the "star" topology).
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1189/1/012009