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Electron Beam Characterization of REBCO-Coated Conductors at Cryogenic Conditions

Autor: Haubner, Michal, Krkotic, Patrick, Serafim, Catarina, Petit, Valentine, Baglin, Vincent, Calatroni, Sergio, Henrist, Bernard, Romanov, Artur, Puig, Teresa, Gutierrez, Joffre

Publikováno v: Appl. Sci. 2023, 13, 2765

Particle accelerators with superconducting magnets operating at cryogenic temperatures use a beam screen (BS) liner that extracts heat generated by the circulating bunched charge particle beam before it can reach the magnets. The BS surface, commonly

Externí odkaz: http://arxiv.org/abs/2410.00770

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Akademický článek

Influence of nanoparticulates and microgrooves on the secondary electron yield and electrical resistance of laser-treated copper surfaces

Autor: P. Krkotić, T. Madarász, C. Serafim, H. Neupert, A. T. Perez-Fontenla, M. Himmerlich, S. Calatroni, S. Wackerow, A. Abdolvand

Publikováno v: Physical Review Accelerators and Beams, Vol 27, Iss 11, p 113101 (2024)

Laser surface structuring has proven to be an effective technique for achieving a copper surface with secondary electron yield (SEY) values close to or below unity. However, the attributes that minimize SEY, such as moderately deep grooves and redepo

Externí odkaz: https://doaj.org/article/f6aefda7b07b4c929077b72eb14eb1b9

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Akademický článek

Shielded Pair Method for Beam Screen Surface Resistance Measurement at Cryogenic Temperature

Autor: Kristóf Brunner, Patrick Krkotić, Sergio Calatroni, Dániel Barna

Publikováno v: Instruments, Vol 8, Iss 3, p 43 (2024)

The shielded pair resonator method is a useful tool in the measurement of accelerator components, such as the beam screens used in the Large Hadron Collider (LHC), the High-Luminosity (HL) LHC, or future accelerators. It can measure the resistive los

Externí odkaz: https://doaj.org/article/39bb75e77fea48c982b1a45853b3e3b3

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Akademický článek

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Akademický článek

Dielectric resonator to measure surface resistance of accelerator components at room temperature and 77 K

Autor: Kristóf Brunner, Patrick Krkotić, Pedro Costa Pinto, Eduardo Gibbons Diaz-Rato, Stephan Pfeiffer, Wilhelmus Vollenberg, Sergio Calatroni, Dániel Barna, Montse Pont, Joan O’Callaghan

Publikováno v: Physical Review Accelerators and Beams, Vol 26, Iss 8, p 083101 (2023)

We measured the surface resistance of titanium, amorphous carbon, and nonevaporable getter (NEG) coatings on copper samples, representative of surface treatments of beam-facing components in the High-Luminosity Large Hadron Collider at CERN. Measurem

Externí odkaz: https://doaj.org/article/88416218d26241fd8c96c1ce09d1b347

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