Response of AGATA segmented HPGe detectors to gamma rays up to 15.1 MeV
- Crespi F. C. L
- Avigo R
- Camera F
- Akkoyun S
- Ataç A
- Bazzacco D
- Bellato M
- Benzoni G
- Blasi N
- Bortolato D
- Bottoni S
- Bracco A
- Brambilla S
- Bruyneel B
- Ceruti S
- Ciemala M
- Coelli S
- Eberth J
- Fanin C
- Farnea E
- Gadea A
- GIAZ, AGNESE
- Gottardo A
- Hess H
- Kmiecik M
- Leoni S
- Maj A
- MENGONI, DANIELE
- Michelagnoli C
- Million B
- Montanari D
- Nicolini R
- Pellegri L
- RECCHIA, FRANCESCO
- Reiter P
- Riboldi S
- Ur C. A
- Vandone V
- Valiente Dobon J. J
- Wieland O
- Wiens A.
DOIAbstract
The response of AGATA segmented HPGe detectors to gamma rays in the energy range 2-15 MeV was measured. The 15.1 MeV gamma rays were produced using the reaction d(B-11,n gamma)C-12 at E-beam=19.1 MeV, while gamma rays between 2 and 9 MeV were produced using an Am-Be-Fe radioactive source. The energy resolution and linearity were studied and the energy-to-pulse-height conversion resulted to be linear within 0.05%.Experimental interaction multiplicity distributions are discussed and compared with the results of Geant4 simulations. It is shown that the application of gamma-ray tracking allows a suppression of background radiation caused by n-capture in Ge nuclei. Finally the Doppler correction for the 15.1 MeV gamma line, performed using the p...
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