Proton response of CEPA4: A novel LaBr3(Ce)-LaCl3(Ce) phoswich array for high-energy gamma and proton spectroscopy
- Nacher, E.
- Mårtensson, Mikael
- Tengblad, O.
- Alvarez-Pol, H.
- Bendel, M.
- Cortina-Gil, D.
- Gernhauser, R.
- Le Bleis, T.
- Maj, A.
- Nilsson, Thomas
- Perea, A.
- Pietras, B.
- Ribeiro, G.
- del Rio, J. S.
- Rosado, J. S.
- Heinz, Andreas Martin
- Szpak, B.
- Winkel, M.
- Zieblinski, M.
DOIAbstract
A new phoswich array, for the detection of high-energy protons and gamma rays from nuclear reactions, has been built. This new detector consists of four individual closely packed scintillator detectors, each of them made of 4 cm of LaBr3(Ce) and G cm of LaCl3(Ce) in phoswich configuration (optically coupled and with a common readout). In this paper we report on the results of a beam test performed at the Bronowice Cyclotron Centre (CCB) in Krakow, showing the response of this versatile instrument to high energy protons (70-230 MeV). Furthermore, for the first time we prove that we can reconstruct the original energy of fast protons (E > 200 MeV) which pass through the total length of the crystal while still retaining a good energy resolutio...
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