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1.
Third-Generation CERN n_TOF Spallation Target: Final Design and Examinations of Irradiated Prototype / Esposito, Raffaele (CERN ; Ecole Polytechnique, Lausanne) ; Aberle, Oliver (CERN) ; Calviani, Marco (CERN) ; Coiffet, Thibaut (CERN) ; Crouvizier, Mickaël (CERN) ; Franqueira Ximenes, Rui (CERN) ; Maire, Vincent (CERN) ; Pérez Fontenla, Ana Teresa (CERN) ; Timmins, Marc (CERN)
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. [...]
Geneva : JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 3555-3558 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.3555-3558
2.

CERN-PHOTO-202103-043
© 2021-2022 CERN
Installation of the third generation n_TOF spallation target in the target pit
The installation of a new-generation neutron spall [...]
29-03-2021
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3.
Design, Prototyping Activities and Beam Irradiation Test for the New n_{TOF} Neutron Spallation Target / Esposito, Raffaele (CERN ; Ecole Polytechnique, Lausanne) ; Bergeret, Marc (CERN) ; Busom, Josep (CERN) ; Butcher, Mark (CERN) ; Calviani, Marco (CERN) ; Cimmino, Roberta (CERN) ; Coiffet, Thibaut (CERN) ; Espadanal, Joao (CERN) ; Gentini, Luca (CERN) ; Illan Fiastre, Ricardo (CERN) et al.
A third-generation neutron spallation target for the neutron time-of-flight facility at CERN (n_{TOF}) is currently undergoing the design and prototyping stage. The new design aims at improving reliability, increasing beam intensity on target and avoiding issues encountered in the current generation target, in particular the contamination of the cooling system water with radioactive spallation products coming from washing out lead. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-WEPMF084 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPMF084
4.
Design of the New CERN n_TOF Neutron Spallation Target: R&D; and Prototyping Activities / Esposito, Raffaele (CERN) ; Beregret, Marc (UTBM, Belfort) ; Calviani, Marco (CERN) ; Coiffet, Thibaut (CERN) ; Delonca, Melanie (CERN) ; Dufay-Chanat, Laetitia (CERN) ; Gallay, Eugenie (CERN) ; Gomez Pereira, Laura (Vigo U.) ; Guinchard, Michael (CERN) ; Horvath, David (CERN) et al.
A new spallation target for the CERN neutron time-of-flight facility will be installed during Long Shutdown 2 (2019-2020), with the objective of improving operational reliability, avoiding water contamination of spallation products, corrosion/erosion and creep phenomena, as well as optimizing it for the 20 m distant vertical experimental area 2, whilst keeping the same physics performances of the current target at the 200 m far experimental area 1. Several solutions have been studied with FLUKA Monte Carlo simulations in order to find the optimal solution with respect to neutron fluence, photon background, resolution function, energy deposition and radiation damage. [...]
CERN-ACC-2017-286.- 2017 - 3 p. - Published in : 10.18429/JACoW-IPAC2017-WEPVA102 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.WEPVA102
5.
Design of the third-generation lead-based neutron spallation target for the neutron time-of-flight facility at CERN / n_TOF Collaboration
The neutron time-of-flight (n_TOF) facility at the European Laboratory for Particle Physics (CERN) is a pulsed white-spectrum neutron spallation source producing neutrons for two experimental areas: the Experimental Area 1 (EAR1), located 185 m horizontally from the target, and the Experimental Area 2 (EAR2), located 20 m above the target. The target, based on pure lead, is impacted by a high-intensity 20-GeV/c pulsed proton beam. [...]
arXiv:2106.11242.- 2021 - 17 p. - Published in : Phys. Rev. Accel. Beams 24 (2021) 093001 Fulltext: PDF; Fulltext from publisher: PDF;
6.
Latest Advances in Targetry Systems at CERN and Exciting Avenues for Future Endeavours / Franqueira Ximenes, Rui (CERN) ; Aberle, Oliver (CERN) ; Calviani, Marco (CERN) ; Esposito, Raffaele (CERN) ; Grenard, Jean-Louis (CERN) ; Griesemer, Tina (CERN) ; Romero Francia, Alvaro (CERN) ; Torregrosa, Claudio (CERN)
CERN’s accelerator complex offers diverse target systems for a range of scientific pursuits, including varying beam energies, intensities, pulse lengths, and objectives. Future high-intensity fixed target experiments aim to advance this field further. [...]
2024 - 4 p. - Published in : JACoW HB 2023 (2024) 599-602 Fulltext: PDF;
In : 68th ICFA Advanced Beam Dynamics workshop on high-Intensity and High-Brightness Hadron Beams (HB 2023), CERN, Geneva, Switzerland, 9 - 13 Oct 2023, pp.599-602
7.
Commissioning of the third-generation spallation target and neutron beam characteristics of the n_TOF facility / n_TOF, Collaboration
CERN-INTC-2020-072 ; INTC-P-587.
- 2020.
Fulltext
8.
CERN BDF Prototype Target Operation, Removal and Autopsy Steps / Franqueira Ximenes, Rui (CERN) ; Aberle, Oliver (CERN) ; Ahdida, Claudia (CERN) ; Avigni, Pietro (CERN) ; Battistin, Michele (CERN) ; Bianchi, Laura (CERN) ; Buonocore, Luca Rosario (CERN) ; Burger, Stephane (CERN) ; Busom Descarrega, Josep (CERN) ; Calviani, Marco (CERN) et al.
The Beam Dump Facility (BDF), currently in the study phase, is a proposed general-purpose fixed target facility at CERN. Initially will host the Search for Hidden Particles (SHiP) experiment, intended to investigate the origin of dark matter and other weakly interacting particles. [...]
Geneva : JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 3559-3562 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.3559-3562
9.
Design of the third-generation neutron spallation target for the CERN’s n_TOF facility / Esposito, Raffaele (CERN ; Ecole Polytechnique, Lausanne) ; Calviani, Marco (CERN)
The neutron Time-Of-Flight (n_TOF) facility at the European Laboratory for Particle Physics (CERN) is a pulsed white-spectrum neutron spallation source producing neutrons for two experimental areas: EAR1, located 185 m downstream of the spallation target, and EAR2, located 20 m above the target. The facility is based on a lead target impacted by a high-intensity 20 GeV/c proton beam. [...]
2020 - 11 p. - Published in : J. Neutron Res. 22 (2020) 221-231 Fulltext: PDF;
10.

CERN-PHOTO-202101-018
© 2021-2022 CERN
Completion of n_TOF third generation spallation target assembly
The third generation n_TOF spallation target has f [...]
28-01-2021
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