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Development of SpecMAT – active target surrounded with an array of scintillation detectors

17 janv. 2018 à 17:45
Aula Magna, Facultad de Física (Santiago de Compostela)

Aula Magna, Facultad de Física

Santiago de Compostela

Facultade de Física. Campus Vida s/n | E-15782, Santiago de Compostela | Galicia, Spain


Oleksii Poleshchuk (KU Leuven, Institute for Nuclear and Radiation Physics)


The population of single-particle states to probe the evolution of shell closures in atomic nuclei is of great interest among research groups around the world. One of the most precise tools for the population of these states is transfer reactions. However, even nowadays with the-state-of-the-art detectors and modern nuclear radioactive ion beam facilities, precise identification of excited states in a nucleus far from stability via a transfer reaction remains a challenge for nuclear spectroscopy. SpecMAT is an active target – time projection chamber designed to overcome this challenge by an innovative combination of techniques that integrates particle energy measurements in a high magnetic field with gamma-ray spectroscopy. Thus, kinematics of the reaction can be reconstructed with the resolution of up to 100 keV from the energy of the ejectile charged particles energy. Gamma-ray resolution below 4 % at 662 keV gamma-line can be achieved from an array of scintillation detectors. Combination of both techniques in one detector gives full information about the population of excited states and their decay, information which was before only accessible by performing different experiments.
Recent progress in the development of the detector, results from the test of the components in a high static magnetic field as well as simulations in GEANT4 will be presented.

Auteurs principaux

Oleksii Poleshchuk (KU Leuven, Institute for Nuclear and Radiation Physics) Riccardo Raabe (KU Leuven)


Dr Mathieu Babo (IPN Orsay) Dr Simone Ceruti (KU Leuven) Dr Hilde De Witte (KU Leuven) Geoffrey-Fathom Grinyer (GANIL) Alex Laffoley (GANIL) Tommaso Marchi (INFN Laboratori Nazionali di Legnaro - Università di Padova) M. Alex Raj (KU Leuven) M. Maxim Renaud (KU Leuven) Dr Jacobus Swartz (Aarhus University) M. Jiecheng Yang (KU Leuven)

Documents de présentation

Aucun document.
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