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HL-LHC IT STRING: Status and Perspectives
/ Bajko, M (CERN) ; Baglin, V (CERN) ; Ballarino, A (CERN) ; Bednarek, M J (CERN) ; Bertolasi, S (CERN) ; Bertone, C (CERN) ; Blanchard, S (CERN) ; Bozzini, D (CERN) ; Coulot, E (CERN) ; Coupat, C (CERN) et al.
The HL-LHC IT STRING, an integrated test stand for the major components of the HL-LHC Inner Triplet (IT) zone, is in its construction phase in a surface building at CERN. The main motivation is to study and validate the collective behavior of the different systems: magnets, circuit protection, cryogenics for magnets and superconducting link, magnet powering, vacuum, alignment, and interconnections between magnets and superconducting link. [...]
2024 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 9001306
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Evaluation of Geometrical Precision and Surface Roughness Quality for the Additively Manufactured Radio Frequency Quadrupole Prototype
/ Torims, Toms (Riga Tech. U.) ; Cherif, Ahmed (CERN) ; Delerue, Nicolas (IJCLab, Orsay) ; Foppa Pedretti, Maurizio ; Gruber, Samira (Fraunhofer Inst., Dresden) ; Krogere, Dagnija (Riga Tech. U.) ; Lopez, Elena (Fraunhofer Inst., Dresden) ; Otto, Tauno (Estonian U.) ; Pikurs, Guntis (Riga Tech. U.) ; Pozzi, Mateo et al.
A multidisciplinary collaboration within the I.FAST project teamed-up to develop additive manufacturing (AM) technology solutions for accelerators. The first prototype of an AM pure-copper radio frequency quadrupole (RFQ) has been produced, corresponding to 1/4 of a 4-vane RFQ*. [...]
2022 - 5 p.
- Published in : JACoW IPAC 2022 (2022) 787-791
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.787-791
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The HL-LHC Project Gets Ready for Its Deployment
/ Zerlauth, Markus (CERN) ; Brüning, Oliver (CERN) ; Di Girolamo, Beniamino (CERN) ; Fessia, Paolo (CERN) ; Gaignant, Christelle (CERN) ; Garcia Gavela, Hector (CERN) ; Maclean, Ewen (CERN) ; Modena, Michele (CERN) ; Otto, Thomas (CERN) ; Tavian, Laurent (CERN) et al.
Following the successful completion of the second long shutdown (LS2), the Large Hadron Collider (LHC) is preparing for its final operational run before the majority of the High Luminosity Upgrade (HL-LHC) will be installed during the third Long Shutdown starting in 2026. The HL-LHC upgrade will enable a further tenfold increase in integrated luminosity delivered to the ATLAS and CMS experiments, starting by an upgrade of the machine protection, collimation and shielding systems in LS2, and followed by the deployment of novel key technologies, including Nb₃Sn based insertion region magnets, cold powering by MgB₂ superconducting links and integration of Nb crab-cavities to compensate the effects of a larger crossing angle. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 50-53
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.50-53
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CTF3 Design Report : Preliminary Phase
/ Allard, D ; Bartholome, B ; Bertuzzi, JP ; Bonzano, R ; Bossart, R ; Braun, H ; Bravin, E ; Borburgh, J ; Buttkus, J ; Chazarenc, E et al.
CERN-PS-2001-072-RF; CTF3-Note-039-Tech.-
Geneva : CERN, 2001 - 44 p.
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Impact of new operational dosimetric quantities on individual monitoring services
/ Caresana, M (Milan, Polytech.) ; Garlati, L (Milan, Polytech.) ; Zorloni, G (Milan, Polytech.) ; Behrens, R (Braunschweig, Phys. Tech. Bund.) ; Otto, T (CERN) ; Minchillo, G (Euratom, Ispra) ; Rossi, F (Fisica Sanitaria AOU Careggi, Firenze)
The new operational dosimetric quantities framework, proposed in the ICRU95
report, has stimulated the scientific community to start investigations that aim
to assess its impact on radiation protection practices. As part of this effort, the
present study describes an inter-comparison exercise among individual monitoring services (IMSs) on passive whole-body dosimetry [...]
2021 - 12 p.
- Published in : Journal of Radiological Protection 41 (2021) 1110-1121
Fulltext: PDF;
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Chapter 19: Safety
/ Otto, Thomas (CERN) ; Adorisio, C (CERN) ; Gaignant, C (CERN) ; Infantino, Angelo (CERN) ; Maietta, M (CERN)
CERN declares in its safety policy that it will ensure the best possible protection in health and safety matters of all persons participating in the Organization’s activities or present on its site, as well as of the population living in the vicinity of its installations, limit the impact of the Organization’s activities on the environment, and guarantee the use of best practice in matters of safety.
A safety organisation accompanies the life cycle of every large project, such as the HL-LHC, to ensure that the Organization’s safety objectives are met. This Chapter describes the safety assessment process applied to the deliverables of the HL-LHC project. [...]
2020 - 14 p.
- Published in : 10.23731/CYRM-2020-0010.329
Fulltext: PDF;
In : High-Luminosity Large Hadron Collider (HL-LHC): Technical design report, pp.329-342
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