Ústav technické a experimentální fyziky Institute of Experimental and Applied Physics

A spectrometer for the measurement of anomalies in the angular correlation of electron and positron internally produced in excited 8Be and 4He

NázevTitle
A spectrometer for the measurement of anomalies in the angular correlation of electron and positron internally produced in excited 8Be and 4HeA spectrometer for the measurement of anomalies in the angular correlation of electron and positron internally produced in excited 8Be and 4He
Druh výsledkuResult type
Článek v časopiseJournal article
AutořiAuthors
A.F.V. Cortez, H.N. da Luz, R. Sýkora, B. Ali, L. Fajt
DOIDOI
10.1016/j.nima.2022.167858
Časopis / citaceJournal / citation
Nuclear Instruments and Methods in Physics Research, Section A, Accelerators, Spectrometers, Detectors and Associated Equipment. 2023, 1047 ISSN 0168-9002.
RokYear
2023
JazykLanguage
eng
WoSWoS
000908434600003
ScopusScopus
2-s2.0-85143983076
RIVRIV
RIV/68407700:21670/23:00362395!RIV24-GA0-21670___
ProjektProject
Měření anomálií v úhlové korelaci elektronu a pozitronu z vnitřní párové produkce v excitovaných jádrech 8Be a 4HeMeasurement of anomalies in angular correlation of electron and positron internally produced in excited 8Be and 4He; Urychlovač Van de Graaff - laditelný zdroj monoenergetických neutronů a lehkých iontůVan de Graaff Accelerator - A source of Tunable Monoenergetic Neutrons and light Ions; VdG III - Urychlovač Van de Graaff - laditelný zdroj monoenergetických neutronů a lehkých iontů - LM2018108 (2020–2022)VdG III - Urychlovač Van de Graaff - laditelný zdroj monoenergetických neutronů a lehkých iontů - LM2018108 (2020–2022)

AbstraktAbstract

In this work we describe the ongoing construction of a Time Projection Chamber-based (TPC) spectrometer for light charged particles utilising magnetic field as a means for energy measurement, combining Multi Wire Proportional Chambers (MWPC) with Timepix3 pixel detectors for improved spatial and angular resolution. The spectrometer will be operated at the Institute of Experimental and Applied Physics (IEAP) Van-de-Graaff facility with the goal of verifying the so-called ATOMKI anomaly (deviation in the distribution of the opening angle between electrons and positrons originating in internal pair creations – IPC – in the decay of 8Be and 4He excited nuclei). Description of the detectors is provided along with a few results.

In this work we describe the ongoing construction of a Time Projection Chamber-based (TPC) spectrometer for light charged particles utilising magnetic field as a means for energy measurement, combining Multi Wire Proportional Chambers (MWPC) with Timepix3 pixel detectors for improved spatial and angular resolution. The spectrometer will be operated at the Institute of Experimental and Applied Physics (IEAP) Van-de-Graaff facility with the goal of verifying the so-called ATOMKI anomaly (deviation in the distribution of the opening angle between electrons and positrons originating in internal pair creations – IPC – in the decay of 8Be and 4He excited nuclei). Description of the detectors is provided along with a few results.