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- Title
DEDICATED ΔE-E DETECTOR SYSTEM FOR SEARCHING LONG-LIVED HEAVIEST NUCLEI DEPOSITED IN SCINTILLATORS.
- Authors
ZELGA, K.; MAJKA, Z.; PŁANETA, R.; SOSIN, Z.; WIELOCH, A.; ADAMCZYK, M.; ŁOJEK, K.; BARBUI, M.; WUENSCHEL, S.; HAGEL, K.; CAO, X.; NATOWITZ, J.; WADA, R.; GIULIANI, G.; KIM, E.-J.; ZHENG, H.; KOWALSKI, S.
- Abstract
We present a dedicated experimental setup which is currently used to search for long-lived super-heavy elements (SHE) implanted in catcher scintillators which were irradiated by reaction products of 197Au (7.5 AMeV) projectile and 232Th target collisions during our experiment performed at the Cyclotrone Institute, Texas A&M University in 2015. The built-in novel measuring apparatus consists of ΔE-E detector pairs which are able to register α or spontaneous fission (SF) decays of heavy-reaction products deposited in the catcher scintillators. Their unique feature is that the examined catcher scintillators are at the same time ΔE part of each of ΔE-E detector pair while E part is a silicon detector. Our apparatus is dedicated to search for SHEs which have a lifetime of a year till tens of years. Results of commissioning tests of our setup are presented.
- Subjects
TEXAS A &; M University; HEAVY nuclei; SUPERHEAVY elements; DETECTORS; SILICON detectors; SCINTILLATORS
- Publication
Acta Physica Polonica B, 2019, Vol 50, Issue 3, p579
- ISSN
0587-4254
- Publication type
Article
- DOI
10.5506/APhysPolB.50.579