The n\_TOF facility has just undergone in 2021 a major upgrade with theinstallation of its third generation spallation target that has beendesigned to optimize the performance of the two n\_TOF time-of-flightlines. This contribution describes the key features and limitations forcapture measurements in the two beam lines prior to the target upgradeand presents first results of (n,gamma) measurements carried out as partof the commissioning of the upgraded facility. In particular, the energyresolution, a key factor for both increasing the signal-to backgroundratio and obtaining accurate resonance parameters, has been clearlyimproved for the 20 m long vertical beam-line with the new target designwhile keeping the remarkably high resolution of the long beamlinen\_TOF-EAR1. The improvements in the n\_TOF neutron beam-lines need tobe accompanied by improvements in the instrumentation. A review is givenon recent detector R\&D projects aimed at tackling the existingchallenges and further improving the capabilities of this facility.

New perspectives for neutron capture measurements in the upgraded CERN-n_TOF Facility

Musumarra, A.;
2023-01-01

Abstract

The n\_TOF facility has just undergone in 2021 a major upgrade with theinstallation of its third generation spallation target that has beendesigned to optimize the performance of the two n\_TOF time-of-flightlines. This contribution describes the key features and limitations forcapture measurements in the two beam lines prior to the target upgradeand presents first results of (n,gamma) measurements carried out as partof the commissioning of the upgraded facility. In particular, the energyresolution, a key factor for both increasing the signal-to backgroundratio and obtaining accurate resonance parameters, has been clearlyimproved for the 20 m long vertical beam-line with the new target designwhile keeping the remarkably high resolution of the long beamlinen\_TOF-EAR1. The improvements in the n\_TOF neutron beam-lines need tobe accompanied by improvements in the instrumentation. A review is givenon recent detector R\&D projects aimed at tackling the existingchallenges and further improving the capabilities of this facility.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11769/721375
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