First experiment with the NUSTAR/FAIR Decay Total Absorption γ-Ray Spectrometer (DTAS) at the IGISOL IV facility

V Guadilla,A Algora,J L Tain,J Agramunt,J Aysto,A Briz,D Canoott, A Cucoanes,T Eronen,M Estienne,M Fallot,L M Fraile,E Ganioglu,W Gelletly,D Gorelov,J Hakala,A Jokinen,D Jordan,A Kankainen,V S Kolhinen,J Koponen,M Lebois, T Martinez, M Monserrate, A Montanerpiza,I D Moore,E Nacher,S E A Orrigo,H Penttila,Zs Podolyak,I Pohjalainen,A Porta,P H Regan,J Reinikainen,M Reponen,S Rintaantila,Berta Rubio, K Rytkonen,T Shiba,V Sonnenschein,A A Sonzogni,E Valencia,V Vedia,A Voss,J N Wilson,A A Zakariissoufou

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms（2016）

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Abstract

The new Decay Total Absorption Spectrometer (DTAS) has been commissioned with low energy radioactive beams at the upgraded IGISOL IV facility. The DTAS is a segmented detector composed of up to 18 NaI(Tl) crystals and it will be a key instrument in the DESPEC experiment at FAIR. In this document we report on the experimental setup and the first measurements performed with DTAS at IGISOL. The detector was characterized by means of MC simulations, and this allowed us to calculate the response function of the spectrometer and analyse the first cases of interest.

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Key words

β decay,Total Absorption γ-Ray Spectrometer,Exotic nuclei,ISOL facilities,β-Delayed neutron emitters

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