Third-Generation CERN n_TOF Spallation Target: Final Design and Examinations of Irradiated Prototype

The new neutron spallation target for the CERN neutron Time-Of-Flight (n_TOF) facility is based on a nitrogen-cooled Pb core impacted by short high-intensity proton beam pulses. An extensive material characterization campaign has been carried out to define the constitutive behavior of lead and asses...

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Detalles Bibliográficos
Autores principales: Esposito, Raffaele, Aberle, Oliver, Calviani, Marco, Coiffet, Thibaut, Crouvizier, Mickaël, Franqueira Ximenes, Rui, Maire, Vincent, Pérez Fontenla, Ana Teresa, Timmins, Marc
Lenguaje:eng
Publicado: JACoW 2021
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.18429/JACoW-IPAC2021-WEPAB364
http://cds.cern.ch/record/2808470
Descripción
Sumario:The new neutron spallation target for the CERN neutron Time-Of-Flight (n_TOF) facility is based on a nitrogen-cooled Pb core impacted by short high-intensity proton beam pulses. An extensive material characterization campaign has been carried out to define the constitutive behavior of lead and assess its response under pulsed proton beam irradiation. The activities carried out include a beam irradiation test in the CERN HiRadMat facility. The tests and inspections performed show a robust behavior of the core material during operation and prominent static hardening recovery already at room temperature.

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